КАТАЛИЗАТОР ДЛЯ СВЯЗЫВАНИЯ ОКСИДОВ СЕРЫ ГАЗОВ РЕГЕНЕРАЦИИ ПРОЦЕССА КАТАЛИТИЧЕСКОГО КРЕКИНГА

Изобретение относится к области химии и может быть использовано при очистке газов регенерации от оксидов серы в присутствии катализатора. Катализатор содержит нанесенную на алюмооксидный носитель активную часть, содержащую оксиды магния и кальция. Активная часть дополнительно содержит оксид марганца при следующем соотношении компонентов, мас.%: оксид магния и кальция 6,0-20,0, оксид марганца 0,03-1,00, носитель остальное до 100. В качестве носителя используют прокаленный при температуре 750-900°С тригидрат оксида алюминия, пропитанный активными компонентами при pH 0,5-2,5. Изобретение позволяет упростить технологию получения катализатора, снижает вредное воздействие на экологическую среду, уменьшает стоимость катализатора. 2 з.п. ф-лы.

КАТАЛИЗАТОР ДЛЯ ОКИСЛИТЕЛЬНОЙ КОНДЕНСАЦИИ МЕТАНА И СПОСОБ ЕГО ПОЛУЧЕНИЯ

Изобретение относится к технологии переработки метансодержащих газов, например природного газа, шахтного метана и т.п. для получения Суглеводородов путем окислительной конденсации метана (ОКМ) при атмосферном давлении и повышенной температуре в присутствии катализатора. Заявляется катализатор для окислительной конденсации метана до Суглеводородов, содержащий оксиды натрия, марганца и тугоплавкого металла, нанесенные на силикагель, при этом в качестве силикагеля он содержит водостойкий, стабилизированный 5 мас.% метасиликата кальция, бипористый силикагель, а в качестве тугоплавкого металла - молибден, при следующем соотношении ингредиентов (мас.%): оксид марганца (MnO) 10-17, оксид молибдена (МoO) 12-16, оксид натрия (NaO) 5,2-6,9 и водостойкий, стабилизированный 5 мас.% CaSiO, бипористый силикагель - остальное. Также изобретение относится к способу получения заявленного катализатора путем пропитки силикагеля водными растворами солей с последующими сушкой при 110°С - 4 ч и прокаливанием ...

Катализатор для дегидрирования изопропилового спирта

КАТАЛИЗАТОР ДЛЯ ДЕГИДРИРОВАНИЯ ИЗОПРОПШ10ВОГО СПИРТА, содержащий технецийсодержащий компонент и носитель, отличающийся тем, что, с целью повышения активности катализатора, в качестве технецийсодержащего компонента он содержит диоксид технеция, в качестве носителя - оксид иттрия, или оксид циркония , или оксид магния, или оксид хрома при следующем содержании компонентов , мас.%: Диоксид технеция 0,1-1,0 НосительОстальное.

Способ получения алкилсульфонатов

Wiedererwinnung eines molybdanhältigen Epoxidierungskatalysators

Supported catalyst for redn. of nitrogen oxide with ammonia - contg. base transition metal cpd. on titanium oxide and clay mineral

Catalyst for the vapour phase redn. of N oxides with ammonia consists of a base transition metal cpd. (I) on a shaped support of Ti oxide and a clay mineral with an average particle size of 0.1-100 mu m. The support can also contain, as an additional component, a fibrous inorganic material, silica hydrogel and/or silica sol. (I) is pref. an oxide of a gp. IB, VIB, VB, VIIB or VIII metal or Ce, esp. Cu, V, Cr, Mo, W, Mn, Fe or Ce. Catalyst is esp. useful for the treatment of waste gases from boilers. It has high activity, is stable for long periods and has superior strength. It catalyses the redn. of NOx in waste and exhaust gases to N2 and water.

CHEMICAL PROCESS

CATALYST FOR PRODUCTION OLEFINISCH UNGE SAETTIGTER OF ALIPHATIC CARBONIC ACIDS

HIGH SURFACE AREA, SMALL CRYSTALLITE SIZE CATALYST FOR FISCHER-TROPSCH SYNTHESIS

CATALYST

OXIDATION CATALYSTS

OXIDATION CATALYSTS The invention is an oxidation catalyst which contains at least a Group IIA or Group IIB element or manganese plus as required elements, chromium, bismuth and molybdenum. The catalysts can optionally contain a number of other elements and are useful for various oxidation reactions, especially the ammoxidation of propylene or isobutylene to obtain acrylonitrile or methacrylonitrile, the oxidation of propylene or isobutylene to obtain acrolein or methacrolein and the oxidative dehydrogenation of olefins containing 4 or 5 carbon atoms to obtain the corresponding diolefin.

PROCESS FOR PRODUCING ACETONE

CATALYSTS FOR ABSORPTIVE AIR SEPARATION

... 211-P-US03308 The present invention is directed to catalysts for the absorptive separation of oxygen from oxygen-containing gas mixtures, such as air, using reversible chemical reaction systems, such as, . The catalytic action is the result of the addition of transition metal oxides to the oxygen accepting system.

PRODUCTION OF 1,1-DIACETOXIETHANE

PRODUCTION OF 1,1-DIACETOXIETHANE The invention relates to an improved process for making 1,1-diacetoxiethane by reacting methyl acetate and/or dimethylether with carbon monoxide and hydrogen under practically anhydrous conditions, at temperatures of 350 to 575 K, under pressures of 1 to 300 bars, and in the presence of a catalyst system containing noble metals belonging to group VIII of the periodic system of the elements, or compounds thereof, and iodine and/ or its compounds. The improved process is effected in the presence of a catalyst system containing, as additional ingredients, an aliphatic carboxylic acid having 1 to 8 carbon atoms, a heterocyclic aromatic compound, in which at least one hetero atom is a quaternary nitrogen atom, and a manganese or rhenium compound.

PROCESS FOR PRODUCING UNSATURATED ALIPHATIC ACIDS AND CATALYSTS THEREFOR

The present invention relates to a catalyst composition consisting of oxide complexes of vanadium, molybdenum and germanium plus an additional oxide selected from the group consisting of iron, nickel, thallium, phosphorus, indium, bismuth and the rare earths and optionally an oxide selected from the group copper, magnesium, manganese, aluminum, titanium, potassium, rubidium, cesium, niobium, tantalum, chromium, tungsten, uranium, cobalt, silver, zinc, tin, gallium, arsenic and antimony. These catalysts are especially useful for producing acrylic acid from acrolein and for producing methacrylic acid from methacrolein.

PROCESS FOR THE SYNTHESIS OF AMMONIA USING A CATALYST SUPPORTED ON GRAPHITE-CONTAINING CARBON

DISPERSION AND STABILIZATION OF REACTIVE ATOMS ON THE SURFACE OF METAL OXIDES

Particulate metal oxide compositions having reactive atoms stabilized on particulate surfaces and methods for reacting the compositions with saturated and unsaturated species are provided. The preferred particulate metal oxides of the compositions are nanocrystalline MgO and CaO with an average crystallite size of up to about 20 nm. The preferred reactive atoms of the compositions are atoms of the halogens and Group I metals. In one embodiment, chlorine atoms are stabilized on the surface of nanocrystalline MgO thus forming a composition which is capable of halogenating compounds, both saturated and unsaturated, in the absence of UV light and elevated reaction temperatures.

HEXAALUMINATE-COMPRISING CATALYST FOR THE REFORMING OF HYDROCARBONS AND A REFORMING PROCESS

The present invention relates to a hexaaluminate-containing catalyst, which comprises a hexaaluminate-containing phase that includes cobalt and at least one additional element from the group La, Ba, Sr. The Co content of the hexaaluminate-containing catalyst is in the range of 2-15 mol%, preferably 3-10 mol% and further preferably in the range of 4-8 mol%, the content of the at least one additional element from the group La, Ba, Sr is in the range of 2-25 mol%, preferably 3-15 mol%, further preferably 4-10 mol% and the content of Al is in the range of 70-90 mol%. In addition to the hexaaluminate-containing phase, the catalyst can include a 0-50 wt% oxide secondary phase, the portion of oxide secondary phase preferably in the range of 3-40 wt% and further preferably in the range of 5-30 wt%. The method according to the invention for producing the catalyst is based on initially bringing a source of aluminium oxide, preferably, a boehmite, into contact with cobalt species and at least one ...

CATALYST COMPRISING THIN SHELL OF CATALYTICALLY ACTIVE MATERIAL ON INERT CORE

A catalyst is disclosed comprising a thin outer shell of catalytic material bonded to an inner core of catalytically inert material. The catalyst is made by coating a catalytically inert core such as alpha alumina, with a thin layer of finely divided catalytically active material in a slurry of colloidal boehmite/pseudo boehmite then calcining to convert the boehmite/pseudo boehmite into ? alumina thereby bonding it to the inert core. Catalysts made by this technique containing an outer shell of platinum on fluorided alumina in an inert core of alpha alumina ? are attractive isomerization catalysts.

Catalyst composition and use thereof

Катализатор для комплексной очистки газовых эмиссий

Изобретение относится к катализаторам, используемым для разделения вредных компонентов технологических и выхлопных газов. Сущность состоит в том, что катализатор содержит окись меди, диоксид марганца, аморфные окиси вольфрама, ванадия и фосфора, нанесенные на активную окись алюминия, при следующем соотношении компонентов, масс. %: окись меди (CuO) 4,20…5,80 диоксид марганца 1,80…2,20 окись вольфрама (WO3) 8,10…9,20 окись ванадия (V2O5) 7,04…15,80 окись фосфора (P2O5) 2,76…3,10 окись алюминия остальное, при этом, молекулярное соотношение окиси вольфрама, ванадия и фосфора составляет, соответственно, 10:1:0,5 или 8:2:0,5. П. формулы: 1 ...

Катализатор для комплексной очистки газовых эмиссий

Изобретение относится к катализаторам, используемым для разделения вредных компонентов технологических и выхлопных газов. Сущность состоит в том, что катализатор содержит окись меди, диоксид марганца, аморфные окиси вольфрама, ванадия и фосфора, нанесенные на активную окись алюминия, при следующем соотношении компонентов, масс. %: окись меди (CuO) 4,20…5,80 диоксид марганца 1,80…2,20 окись вольфрама (WO3) 8,10…9,20 окись ванадия (V2O5) 7,04…15,80 окись фосфора (P2O5) 2,76…3,10 окись алюминия остальное, при этом, молекулярное соотношение окиси вольфрама, ванадия и фосфора составляет, соответственно, 10:1:0,5 или 8:2:0,5. П. формулы: 1 ...

Десульфирование и предназначенные для этого новые сорбенты

Способ десульфирования крекинг-газолинов и дизельного топлива сорбентом, содержащим носитель титана цинка, металл, оксид металла и предшествующий промотор оксида металла,где металлом является кобальт, никель железо, марганец, медь, вольфрам, серебро, олово и ванадиум. Способ получения сорбента. Пункты: 3 незав. 23 зав. Таблица: 2 ...

DESULFURIZATION AND NOVEL SORBENTS FOR SAME

Hexaaluminate-comprising catalyst for reforming of hydrocarbons and reforming process

The present invention relates to a hexaaluminate-containing catalyst, which comprises a hexaaluminate-containing phase that includes cobalt and at least one additional element from the group La, Ba, Sr. The Co content of the hexaaluminate-containing catalyst is in the range of 2-15 mol%, preferably 3-10 mol% and further preferably in the range of 4-8 mol%, the content of the at least one additional element from the group La, Ba, Sr is in the range of 2-25 mol%, preferably 3-15 mol%, further preferably 4-10 mol% and the content of Al is in the range of 70-90 mol%. In addition to the hexaaluminate-containing phase, the catalyst can include a 0-50 wt% oxide secondary phase, the portion of oxide secondary phase preferably in the range of 3-40 wt% and further preferably in the range of 5-30 wt%. The method according to the invention for producing the catalyst is based on initially bringing a source of aluminium oxide, preferably, a boehmite, into contact with cobalt species and at least one ...

SUBSTITUTED BENZOFURANS BENZOTHIOPHENES AND NAPHTHOFURANS AND THEIR USE AS FLUORESCENT WHITENING AGENTS

PRODUCTION OF ALKYL SULPHONATES

CATALYST FOR the SYNTHESIS OF AMMONIA STARTING FROM HYDROGEN AND NITROGEN

PROCESS IN PHASE ELIMINATES FOR TERTIARY METHYLIC ETHER PRODUCTION

CATALYST FOR THE SYNTHESIS OF AMMONIA, ITS PREPARATION AND USE

MANGANESE OXIDE BASED CATALYST AND CATALYST DEVICE FOR THE REMOVAL OF FORMALDEHYDE AND VOLATILE ORGANIC COMPOUNDS

Disclosed herein are a catalyst composition, catalyst devices, and methods for removing formaldehyde, volatile organic compounds, and other pollutants from an air flow stream. The catalyst composition including manganese oxide, optionally one or more of alkali metals, alkaline earth metals, zinc, iron, binder, an inorganic oxide, or carbon.

METATHESIS CATALYST AND PROCESS FOR PRODUCING OLEFIN

The present invention provides a catalyst comprising a transition metal, an inorganic support, a zeolite, and a layered double hydroxide. Using of the catalyst according to the present invention in an olefin production process exhibits high activity and high selectivity with decreased deactivation rate, therefore longer reaction cycle can be performed and catalyst life is prolonged.

Hydrocarbon conversion process

Hydroconversion of hydrocarbons, particularly reforming of naphthas, is conducted in the presence of hydrogen with a catalyst comprising technetium in association with a porous solid carrier. Preferably the catalyst contains a platinum group component in addition to technetium.

Catalysts for producing unsaturated aliphatic acids

The present invention relates to a process for the production of unsaturated aliphatic acids and the catalyst therefor, by the vapor phase oxidation of the corresponding unsaturated aliphatic aldehydes with molecular oxygen, optionally in the presence of steam, in the presence of an oxidation catalyst consisting of the oxides of the elements molybdenum, vanadium, tungsten and lanthanum, and optionally one or more of the oxides of the elements manganese, iron, copper, aluminum, cobalt, nickel, phosphorus, zinc, bismuth, silver, cadmium, niobium, arsenic, chromium, the alkali and the alkaline earth elements.

PROCESS FOR OLEFIN METATHESIS

MANGANESE OXIDE BASED CATALYST AND CATALYST DEVICE FOR THE REMOVAL OF FORMALDEHYDE AND VOLATILE ORGANIC COMPOUNDS

Disclosed herein are a catalyst composition, catalyst devices, and methods for removing formaldehyde, volatile organic compounds, and other pollutants from an airflow stream. The catalyst composition including manganese oxide, optionally one or more of alkali metals, alkaline earth metals, zinc, iron, binder, an inorganic oxide, or carbon.

Process for the preparation of vinyl chloride

КАТАЛИЗАТОР УМЕНЬШЕНИЯ СОДЕРЖАНИЯ СЕРЫ В БЕНЗИНЕ ДЛЯ ПРОЦЕССА КАТАЛИТИЧЕСКОГО КРЕКИНГА В ЖИДКОЙ ФАЗЕ

... 1. Крекирующая каталитическая композиция, пригодная для эксплуатации в установке с псевдоожиженным катализатором крекинга, используемой для крекинга углеводородного сырья, содержащего органические производные серы, включающая (a) цеолит и (b) компонент, содержащий кислоту Льюиса, причем рассматриваемая каталитическая композиция дополнительно содержит Na2O в количестве 0,20 мас.% или менее. 2. Композиция по п.1, содержащая Na2O в количестве 0,15 мас.% или менее. 3. Композиция по п.1, содержащая Na2O в количестве 0,10 мас.% или менее 4. Композиция по п.1, в котором цеолит (а) содержит Na2O в количестве 0,5 мас.% или менее. 5. Композиция по п.1, в котором цеолит (а) содержит Na2O в количестве 0,3 мас.% или менее. 6. Композиция по п.1, в котором цеолит (а) содержит Na2O в количестве 0,1 мас.% или менее. 7. Композиция по п.1, в котором компонент (b), включающий кислоту Льюиса, содержит Na2O в количестве 0,1 мас.% или менее. 8. Композиция по п.1, в котором цеолит представляет собой цеолит Y-типа ...

СОДЕРЖАЩИЙ ГЕКСААЛЮМИНАТ КАТАЛИЗАТОР РИФОРМИНГА УГЛЕВОДОРОДОВ И СПОСОБ РИФОРМИНГА

... 1. Способ риформинга углеводородов, предпочтительно метана, в присутствии диоксида углерода, который включает следующие стадии:(а.1) реализация контакта подлежащего риформингу газа, содержащего более 70 об.% углеводородов, предпочтительно метана, и диоксида углерода, с содержащим гексаалюминат катализатором,(а.2) нагревание катализатора при реализации контакта с подлежащим риформингу газом при температуре выше 700°C, предпочтительно выше 800°C, более предпочтительно выше 900°C,(а.3) эксплуатация реактора во время осуществления реакции при технологическом давлении выше 5 бар, предпочтительно выше 10 бар, более предпочтительно выше 15 бар, причем(а.4) объемная скорость подачи подлежащего риформингу газа, приводимого в контакт с катализатором, находится в диапазоне от 500 до 20000 ч, предпочтительно от 1500 до 10000 ч, более предпочтительно от 2000 до 5000 ч, и причем содержащий гексаалюминат катализатор содержит кобальт и по меньшей мере один другой металл, выбранный из группы, включающей ...

Oxidationskatalysator, Katalysatorträgerstruktur, Verfahren zur Herstellung des Oxidationskatalysators und Verfahren zur Herstellung der Katalysatorträgerstruktur

Ein Oxidationskatalysator (2) beinhaltet Cerdioxidpartikel (21) und ein Metalloxid (22). Die Cerdioxidpartikel (21) enthalten eine Zusatzkomponente, die mindestens eine ist ausgewählt aus der Gruppe bestehend aus Lanthan, Aluminium und Eisen. Das Metalloxid (22) enthält Eisen und Mangan und wird von den Cerdioxidpartikeln (21) gehalten. Der Oxidationskatalysator (2) weist eine verbesserte Hitzebeständigkeit auf. Außerdem kann ein Filter, der den Oxidationskatalysator (2) trägt, eine Verbesserung der Oxidationsleistung erzielen.

OXYDATIONSKATALYSATOR UND DESSEN VERWENDUNG BEI DER AMMOXYDATION VON PROPYLEN ODER ISOBUTYLEN IN DER GASPHASE ZUR HERSTELLUNG VON ACRYLNITRIL ODER METHACRYLNITRIL

VERFAHREN ZUM SYNCHRONISIEREN UND VORRICHTUNG ZUR DURCHFUEHRUNG DES VERFAHRENS

A process for regenerating an antimony containing oxide catalyst

A process for regenerating a deteriorated antimony containing oxide catalyst comprising as essential components of (i) antimony and (ii) at least one metal element selected from the group consisting of iron, cobalt, nickel, manganese, uranium, cerium, tin and copper wherein the antimony containing oxide catalyst is impregnated or sprayed with an aqueous solution of nitric acid and/or a nitrate, and the impregnated catalyst is dried, and then calcined at a temperature in the range of from 400 DEG to 1000 DEG C.

CATALYSTS FOR SEPARATING FROM OXYGEN FROM AIR BY ABSORPTION.

PROCEDURE FOR the PRODUCTION OF 1,1-DIACETOXIETHAN.

PROCEDURE FOR THE PRODUCTION OF A ANTIMONHALTIGEN, ON SILICON DIOXIDE CARRYING OXIDE CATALYST FOR THE USE IN A FLUID BED REACTION.

PROCEDURE FOR THE PRODUCTION OF ACRYLONITRILE OR METHACRYLNITRIL

Process for the preparation of novel diazepinoindoles

Exhaust emission control system for internal combustion engines, exhaust emission control method and exhaust emission control catalyst

OXIDATION AND AMMOXIDATION CATALYSTS AND PROCESS USING SAME

CATALYSTS CONTAINING ONE OR MORE METALS AND CO2 TREATED SUPPORT

OXIDATION AND AMMOXIDATION CATALYSTS AND PROCESS USING SAME

FLUORESCENT WHITENING AGENTS

METAL CONTAINING CATALYSTS

PROCESS FOR THE PREPARATION OF A CATALYST OR CATALYST PRECURSOR

T 5432 PROCESS FOR THE PREPARATION OF A CATALYST OR CATALYST PRECURSOR A process for the preparation of an extruded silica-based catalyst or catalyst precursor comprising a catalytically active component selected from the elements in Group VII B or Group VIII of the Periodic Table and a promoter selected from elements in Group IVB of the Periodic Table, which process comprises mulling a mixture comprising silica, a solvent and, optionally, one or both of a catalytically active component source and a promoter source, which mixture has a solids content of from 20 to 60 %wt; extruding the mulled mixture; and depositing on the resulting extrudates a catalytically active component source and a promoter source, the deposition of either or both the catalytically active component source and the promoter source on the extrudates being optional in cases in which the mixture comprises a source for either or both the said component or the promoter; with the proviso that if the mixture comprises a promoter ...

ESTER PRODUCTION BY HYDROGENATION OF CARBOXYLIC ACIDS AND ANHYDRIDES

ESTER PRODUCTION BY HYDROGENATION OF CARBOXYLIC ACIDS AND ANYDRIDES A carboxylic acid ester is produced at a selectivity of greater than 50% whilst producing the corresponding alcohol at a selectivity less than 10% from a carboxylic acid or anhydride thereof by reacting the acid or anhydride with hydrogen at elevated temperature in the presence as catalyst of a composition comprising a component (i) comprising at least one of Group VIII noble metal and/or a component (ii) comprising at least one of molybdenum, tungsten and rhenium and a component (iii) comprising an oxide of a Group IVb element. The process is particularly applicable to the hydrogenation of acetic acid to ethyl acetate.

МЕЗОПОРИСТИЙ ГЕЛЬ, СПОСІБ ЙОГО ВИГОТОВЛЕННЯ, НОСІЙ КАТАЛІЗАТОРА, КИСЛОТНИЙ КАТАЛІЗАТОР І КАТАЛІЗАТОР ГІДРОГЕНІЗАЦІЇ

Винахід відноситься до мезопористого гелю, який містить матрицю оксиду алюмінію, в якій можуть бути гомогенно дисперговані один або більше оксидів, які вибрані з групи, яка складається з діоксиду кремнію, оксиду бору, оксиду фосфору, оксидів металів груп VIII та VIB. Воно також відноситься до способу отримання цього гелю та його використання в якості носія каталізатора та в якості каталізатора реакцій гідрогенізації.

Used for the disproportionation of butene method of the production of propylene

PRODUCTION OF ALKYL SULPHONATES

PREPARATION OF CATALYSTS OF REFORMING BY DRY IMPREGNATION

PROCEDE DE PREPARATION D'ACIDES ALIPHATIQUES INSATURES ET CATALYSEURS CORRESPONDANTS

Procédé de préparation d'acides aliphatiques insaturés. Dans la préparation d'acides carboxyliques oléfiniquement insaturés à partir des aldéhydes insaturés correspondants, on peut utiliser selon l'invention le catalyseur suivant : ...

METHOD OF PREPARATION Of UNSATURATED ALIPHATIC ACIDS AND CATALYSTS CORRESPONDING

CATALYST WITH MO,V,NB AND PROCESS FOR PREPARING UNSATURATED ACIDS

CATALYST FOR THE GASOLINE SULPHUR REDUCTION FOR CATALYTIC PROCESS OF FLOWED CRACKING

La presente se refiere a ciertas composiciones de catalizador y procesos que son capaces de reducir los compuestos de azufre que se encuentran normalmente como parte de las corrientes de la fraccion de gasolina de procesos de cracking fluidos. La presente es una composicion de catalizador de cracking que comprende una zeolita en combinacion con un componente que contiene ácido de Lewis, en la cual la composicion de cracking comprende 0,2% de Na2O o menos. Se ha encontrado que los compuestos de azufre en materiales de alimentacion de hidrocarburo para procesos de cracking catalítico fluido pueden ser reducidos en al menos 15% en comparacion con la misma composicion que no comprende el componente que contiene el ácido de Lewis anteriormente mencionado. Reivindicacion 45: Un proceso mejorado para el craqueo catalítico de material de alimentacion de hidrocarburo que contiene compuestos de azufre orgánicos que comprende poner en contacto en un reactor de cracking catalítico de una unidad de ...

método melhorado para produzir olefinas e sistema de reator para a produção aumentada de olefinas e produção reduzida de aldeído acético

COPPER-MODIFIED CATALYSTS FOR OXIDATIVE DEHYDROGENATION

Catalysts and methods useful for the production of olefins from alkanes via oxidative dehydrogenation (ODH) comprise at least one base metal and copper with an optional promoter. The catalyst preferably comprises a base metal and a copper-modified Groups 8, 9, or 10 metal on a support comprising alumina, zirconia, or mixtures thereof. Copper is preferably present in an amount of from about 0.1 to about 1.0 percent by weight of the total catalyst weight. The base metal preferably comprises manganese, chromium, gold, their corresponding oxides, or combinations thereof. The optional promoter preferably comprises platinum, palladium, iridium, rhodium, ruthenium, or any combinations thereof.

Catalyst for a n-butane oxidation to maleic anhydride

An improved vanadium-phosphorus mixed oxide is prepared by a unique method employing an organic medium. The substantial intrinsic surface area and the microcrystalline structure of the new oxide result in advantageous activity and selectivity effects in the catalyzed vapor phase oxidation of n-butane to maleic anhydride. These oxides are also useful for the production of acid anhydrides from suitable hydrocarbon feeds.

Catalyst for methacrolein oxidation and method for making and using same

A catalyst for oxidation of unsaturated and/or saturated aldehyde to unsaturated acids is disclosed where the catalyst including at least molybdenum (Mo), phosphorus (P), vanadium (V), bismuth (Bi), and a first component selected from the group consisting of potassium (K), rubidium (Rb), cesium (Cs), thallium (Tl), or mixtures or combinations thereof, where the catalyst has at least 57% medium pores and a nitric acid to molybdenum mole ratio of at least 0.5:1 or at least 6.0:1 moles of HNO3 per mole of Mo12. Methods for making and using such catalysts are also disclosed.

Preparation of metal containing catalysts

PRODUCTION OF 1,4-BUTANEDIOL

PROBLEM TO BE SOLVED: To economically obtain the subject compound useful as a raw material for epoxy resins, polyester resins and the like without using any dangerous catalyst by adopting a new process of hydrogenation of a butadiene diepoxide on a specified hydrogenation catalyst. SOLUTION: This compound is obtained by conversion of 1,3-butadiene diepoxide by a selective hydrogenolysis in the presence of hydrogen and on a specified hydrogenation catalyst whose active ingredient is neither elemental Pd nor Pt (preferably Raney nickel, a rhenium sponge or the like). The reaction is preferably performed in the presence of an inert solvent such as tetrahydrofuran(THF), at 100-200°C and at 20-200 bar. The starting material 1,3-butadiene diepoxide is obtained by such a process as base-induced dehydrochlorination of dichlorobutanediol. COPYRIGHT: (C)1996,JPO ...

КАТАЛИЗАТОР ОКИСЛЕНИЯ МОНООКСИДА УГЛЕРОДА

Изобретение относится к очистке газов, содержащих в своем составе монооксид углерода. В качестве катализатора окисления монооксида углерода применяют прокаленный марганцовистый кек, который получают на стадии очистки растворов соли кобальта от примеси марганца в технологии гидрометаллургического производства гидроксида кобальта (III). Технический результат - использование отходов и промышленных продуктов гидрометаллургического производства. 1 табл.

CATALYST FOR AN OXIDATION OF ETHYLENE INTO ETHYLENEOXIDE

Способ приготовления катализатора для дегидрирования С @ -С @ парафинов

Использование: нефтехимии. Сущность изобретения: носитель - оксид алюминия пропитывают раствором ацетата марганиа (II) четырехводного или нитрата железа () девятиводного. Сушат на воздухе и прокаливают при 600°С в токе водорода. Пропитывают раствором пертехнетата аммония. Активируют в токе водорода при 700-900°С Исходные компоненты берут в количестве, обеспечивающем следующее их содержание в катализаторе, мае. %: технеций 0.1-1,5, железо или марганец 1-10, оксид алюминия остальное. Характеристика катализатора: производительность 4,4-23,5 г моноолефина на 1 г кат-pa в 1 ч, селективность по н-моно- олефинам 96-95 мас.%. 2 табл. сл с ...

Катализатор для синтеза аммиака

KATALYSATOREN ZUM ABTRENNEN VON SAUERSTOFF AUS LUFT DURCH ABSORPTION.

CATALYST AND USE THEREOF

... 1442666 Maleic anhydride HALCON INTERNATIONAL Inc 19 Oct 1973 [24 Oct 1972] 48862À73 Heading C2C [Also in Division B1] Maleic anhydride is produced by the vapour phase oxidation of benzene with molecular oxygen in the presence of a catalyst comprising Mo, V, P, Na, B and at least one of Mn, Sn, W or Bi in oxidic form. Specified reaction conditions are 340-420‹ C., a benzene/oxygen ratio of 1-1À6 to 20 (mol), a space velocity of 2000-4000 hr.-1 snd a pressure of 1 to 3 atm.

CATALYST WITH MO,V,NB AND PROCESS FOR PREPARING UNSATURATED ACIDS

... 1488044 Oxidation catalyst UNION CARBIDE CORP 22 Oct 1974 [23 Oct 1973 13 Sept 1974] 45552/74 Heading B1E [Also in Division C2] A catalyst for the oxidation of unsaturated aldehydes to acids comprises an oxidic composition containing the elements Mo, V, T and, optionally X, in the atomic ratio Mo a V b T c X d where: T is Nb or Nb plus Ti and/or Ta wherein less than 50% wt. of T is Ti and/or Ta; X is Cu, Co, Cr and/or Mn; a is 12; b is 1 to 14; c is 0.1 to 12; and d is 0 to 3.0. The catalyst may be supported, e.g. on silica, alumina or silicaalumina. The composition may be formed by dissolving compounds of the elements, to form a solution, removing solvent and calcining. The niobium and tantalum components are suitably obtained from their oxalates, whilst the titanium component, if present, may be obtained from a water-soluble titanium chelate coordinated with ammonium lactate. The elements are suitably pre-reduced to an oxidation state less than the highest possible, e.g. by contact with ...

PROCESS FOR PRODUCING UNSATURATED ALIPHATIC ACIDS AND CATALYSTS THEREFOR

PROCESS FOR PRODUCING ACETONE

... 1371918 Oxidation catalysts DAICEL Ltd 19 Nov 1971 [21 Nov 1970 30 Dec 1970] 53729/71 Heading B1E [Also in Division C2] Catalysts comprise a manganese oxide supported on active alumina. The active alumina is preferably produced from boehmite and the catalyst may also comprise an alkali metal hydroxide.

PROCEDURE FOR THE PRODUCTION OF A ANTIMONHALTIGEN OXIDE CATALYST WITH FIRMNESS.

VERFAHREN ZUR HERSTELLUNG VON ACRYLNITRIL ODER METHACRYLNITRIL

VERFAHREN ZUM SYNCHRONISIEREN UND VORRICHTUNG ZUR DURCHFUHRUNG DES VERFAHRENS

Process for the preparation of novel diazepinoindoles

CATALYST

PROCESS FOR PRODUCING ACETONE

PROCESS FOR THE PREPARATION OF ALKYLSULPHONATE COMPOUNDS

PROCESS FOR THE MANUFACTURE OF UNSATURATED ALDEHYDES, ACIDS AND NITRILES FROM THE CORRESPONDING OLEFINS

PROCESS FOR THE SYNTHESIS OF AMMONIA USING A CATALYST SUPPORTED ON GRAPHITE-CONTAINING CARBON

Case No. GRD 4240 289,907 Catalyst for the synthesis of ammonia from hydrogen and nitrogen comprises (1) as support on graphite containing carbon having (a) a basal plane surface area of at least 100 m 2/G (b) a ratio of BET surface area to basal plane surface area of not more than 5:1 and (c) a ratio of basal plane surface area to edge surface area of at least 5:1 and (ii) as active component(a) 0.1 to 50% by weight of a transition metal and (b) 0.1 to 4 times by weight of (a) of a modifying metal or ion selected from the alkali or alkaline earth metals or ions. The modifying metal or ion is actively associated with the transition metal rather than the support.

ETHYLENE OXIDE CATALYST AND PROCESS FOR THE CATALYTIC PRODUCTION OF ETHYLENE OXIDE

T 2027 ETHYLENE OXIDE CATALYST AND PROCESS FOR THE CATALYTIC PRODUCTION OF ETHYLENE OXIDE A composition containing silver, a support, rhenium and at least one further metal, characterized in that the selected amounts of the metals or compounds are such that under conditions of catalytic manufacture of ethylene oxide from ethylene and oxygen the composition comprises a catalytically effective amount of silver, a promoting amount of rhenium or compound thereof and a promoting amount of at least one further metal or compound thereof. T5/T2027.txt ...

PROCESS FOR PREPARING VINYL CHLORIDE

PROCESS FOR PRODUCING UNSATURATED ALIPHATIC ACIDS AND CATALYSTS THEREFOR

PEROVSKITE - TYPE RARE EARTH COMPLEX OXIDE COMBUSTION CATALYSTS

The present invention relates to rare earth complex oxide combustion catalysts wherein perovskite-type rare earth complex oxide active components are carried o n a support using mullite as the main phase. The present invention relates also to a process for preparing a rare earth complex oxide combustion catalyst which comprises impregnatiing the support with the solution of the metallic ions prepared by the ABO3 stoichiometry and then drying and calcining it. Furthermore, the present inventi on relates to the use of the said catalyst as a combustion catalyst for CO in the f luid catalytic cracking (FCC) process of petroleum refining.

SOX ADDITIVE SYSTEMS BASED UPON USE OF MULTIPLE PARTICLE SPECIES

The useful life of SO x additives having a SO2-+SO3 oxidation catalyst component and a SO3 absorption component can be extended by employing each of these components as separate and distinct physical particles, pellets, etc.

Sphericity spinel material with cage construction and method for preparing the same

The invention relates to a spherical spinel framework material and the preparation method. In the invention sphericalgamma-Al2O3 is used as hard template. By in-situ growth technology, reaction temperature, reaction time and reaction concentration are controlled so that hydrotalcite-like material is grown in the nanometer channel ofgamma-Al2O3. Then the hydrotalcite-like material, as precursor, is baked under high temperature so that hydrotalcite-like material is changed into spinel. And then matrixgamma-Al2O3 is dissolved by sodium hydroxide solution and is baked to obtain spherical spinel framework material finally. Grain diameter of the material is in 0.1-2mm and group density is in 0.25-0.4g/cm3. Specific surface area is in 40-100m2/g and pore volume is in 0.5-0.6cm3/g. Most probable pore size distribution is in 17-30nm. Because the body is spherical and pore size distribution is in meso-porous range, when the invention is used in catalyzing or separating field directly there is no ...

Catalyst

CATALYSTS Of OXIDATION

TE

Catalyseur pour la synthèse de l'ammoniac à partir d'hydrogène et d'azote. Ce catalyseur comprend comme support du carbone renfermant du graphite et présentant une surface de plan principal d'au moins 100 m**2/g, un rapport surface totale active : surface de plan principal n'excédant pas 5 :1 et un rapport surface de plan principal : surface des bords d'au moins 5 : 1. Il comprend, comme composants actifs, de 0,1 à 50 % d'un métal de transition et de 0,1 à 4 fois ce poids d'un métal ou d'un ion métallique de modification choisi parmi les ions métalliques alcalins, alcalino-terreux, actinides ou lanthanides. Cet ion métallique ou métal de modification est associé plus activement avec le métal de transition qu'avec le support. Application à l'amélioration du rendement de la réaction de préparation d'ammoniac à partir d'azote et d'hydrogène.

COMPOSITION BASED ON CERIUM, ZIRCONIUM AND TUNGSTEN, PREPARATION PROCESS AND USE IN CATALYSIS

A composition based on cerium, zirconium and tungsten is described. The composition has a content expressed as an oxide, of which cerium is from 5% to 30% of the composition, tungsten is from 2% to 17% of the composition, and the remainder of the composition is zirconium. After aging at 750° C. under an air atmosphere including 10% water, it has a two-phase crystallographic structure having a tetragonal zirconia phase and a monoclinic zirconia phase, with no presence of a crystalline phase including tungsten. The composition can be used as a catalyst, especially in an SCR process. 1. A composition comprising cerium , zirconium and tungsten , wherein the composition has the following mass contents , expressed as oxide:cerium oxide: from 5% tobctwccn 5% and 30%;tungsten oxide: from 2% tobctwccn 2% and 17%;the remainder as zirconium oxide;and in that after aging at 750° C. in an air atmosphere comprising 10% water, it has a two-phase crystallographic structure comprising a tetragonal zirconia phase and a monoclinic zirconia phase, with no presence of a crystalline phase comprising tungsten.2. The composition as defined in claim 1 , wherein after aging claim 1 , the composition has a specific surface area of at least 30 m/g.3. The composition as defined in claim 1 , wherein after aging claim 1 , the composition has a specific surface area of at least 40 m/g.4. The composition as defined in claim 1 , wherein the composition has a two-phase crystallographic structure in which the tetragonal zirconia phase and the monoclinic zirconia phase are in a ratio of at least 5.5. The process as defined in claim 1 , wherein the process is comprised of the following steps:{'sub': 2', '3, '(a) preparing an aqueous solution comprising sulfate anions and a zirconium salt, which can optionally be zirconium oxychloride, in proportions such that the ratio ZrO/SOis from 1/0.40 to 1/0.52,'}(b) cooling the solution to a temperature below 25° C.,(c) adding an alkaline compound to precipitate ...

OXIDE CATALYST, PROCESS FOR PRODUCING OXIDE CATALYST, PROCESS FOR PRODUCING UNSATURATED ACID, AND PROCESS FOR PRODUCING UNSATURATED NITRILE

Disclosed is a process for producing an oxide catalyst for use in the gas-phase catalytic oxidation reaction or the like of propane or the like, the process comprising the steps of: (I) obtaining a preparation containing compounds of Mo, V, Nb, and Sb or Te at the predetermined atomic ratios; (II) drying the preparation to obtain a dry powder; and (III) calcining the dry powder, wherein the step (III) comprises the step of calcining the dry powder in the presence of a compound containing W in the form of a solid to obtain a pre-stage calcined powder or a mainly calcined powder, or the step of calcining the dry powder and calcining the obtained pre-stage calcined powder in the presence of the solid to obtain a mainly calcined powder, the solid satisfies the predetermined conditions, and the oxide catalyst comprises a catalytic component having the predetermined composition. 1. A particulate oxide catalyst for use in the gas-phase catalytic oxidation reaction or the gas-phase catalytic ammoxidation reaction of propane or isobutane ,the oxide catalyst containing a Mo compound, a V compound, a Nb compound, a compound of at least one element selected from the group consisting of Sb and Te, a W compound, and an optional compound of at least one element selected from the group consisting of Mn, B, Ti, Al, Ta, an alkali metal, an alkaline earth metal, La, Ce, Pr, Yb, Co, Y, and Sc, at atomic ratios represented by the following formula (0), wherein {'br': None, 'sub': Mo', 'V', 'W', 'Nb', 'X', 'Z, 'C:C:C:C:C:C=1:a:w:c:x:z \u2003\u2003(0)'}, 'W is concentrated within the surface of the particle of the oxide catalyst and in proximity thereto{'sub': Mo', 'V', 'W', 'Nb', 'X', 'Z, 'wherein Crepresents the atomic ratio of Mo; Crepresents the atomic ratio of V; Crepresents the atomic ratio of W; Crepresents the atomic ratio of Nb; Crepresents the atomic ratio of at least one element selected from the group consisting of Sb and Te; Crepresents the atomic ratio of at least one ...

SILICA-STABILIZED ULTRAFINE ANATASE TITANIA, VANADIA CATALYSTS, AND METHODS OF PRODUCTION THEREOF

The invention is directed to compositions and processes for the production of silica-stabilized ultrafine anatase titanias and which may further comprise tungsten and vanadia. The surface stabilization may be by treatment of the TiOparticles with a low molecular weight and/or small nanoparticle form of silica such as, in preferred embodiments, a tetra(alkyl)ammonium silicate or silicic acid, which serves to efficiently maintain the anatase phase and prevent crystal growth under severe thermal and hydrothermal conditions, even in the presence of vanadia. The vanadia catalysts produced from the novel titanias have equal or improved catalytic activity for selective catalytic reduction of NOx compared to conventional vanadia supported silica-titania based catalysts. The invention is further directed to diesel emission catalytic devices comprising the novel titania-based catalyst compositions. 1. A method of producing a catalyst support material , comprising:{'sub': '2', 'providing a slurry comprising TiO;'}{'sub': 2', '2', '2', '3', '2', '3', '2', '2', '3', '2, 'combining the TiOslurry with (1) a silica precursor solution comprising SiOsubstantially in a low molecular weight and/or SiOcomprising small nanoparticles and with (2) WOto form a TiO—WO—SiOmixture; wherein the silica precursor solution is combined with the TiOslurry before, after, or while the WOis combined with the TiOslurry; and'}{'sub': 2', '3', '2, 'washing and sintering the TiO—WO—SiOmixture to form a silica-stabilized titania support material.'}2. The method of wherein the silica-stabilized titania support material claim 1 , comprises:{'sub': 2', '2', '3, 'sup': '2', '86%-94% dry weight of TiO, 3%-9% dry weight of a SiO, and 3%-7% dry weight of WO; and wherein the titania support material primarily comprises a surface area of at least 80 m/gm before sintering.'}3. The method of wherein the TiOof the slurry comprise preformed titanium hydroxide claim 1 , titanium oxy-hydroxide or titanium dioxide ...

PREPARATION METHOD OF DENITRATION CATALYST

Provided is a preparation method of a denitration catalyst for treating nitrogen oxides contained in exhaust gas discharged from gas turbines for generating plants, coil fired boilers, etc., in which the catalytic activity can be improved, and furthermore, an increase of the cost of producing the catalyst is not involved. The preparation method of a denitration catalyst used when reacting nitrogen oxides with reducing agent ammonia to decompose the nitrogen oxides into nitrogen and water, and including titanium oxide and vanadium as catalytic active ingredients thereof, is characterized in that the vanadium precursor is ammonium metavanadate powder, the ammonium metavanadate powder containing particles having a particle diameter of 10 μm or less in a cumulative ratio of 20% or more. The ammonium metavanadate powder is preferably a reclaimed product including vanadium recovered from petroleum-based combustion ash such as heavy oil ash. 1. A method for preparing a denitration catalyst which is used when reacting nitrogen oxides with ammonia as a reducing agent to decompose the nitrogen oxides into nitrogen and water and which includes titanium oxide , vanadium and tungsten as catalytic active ingredients thereof , characterized in that a precursor of the vanadium is ammonium metavanadate powder , the ammonium metavanadate powder containing particles having a particle diameter of 10 μm or less in a cumulative content of 20% or more.2. The method for preparing a denitration catalyst according to claim 1 , characterized in that the ammonium metavanadate powder is a reclaimed product including vanadium recovered from petroleum-based combustion ash claim 1 , such as heavy oil ash. The present invention relates to a preparation method of a denitration catalyst for treating nitrogen oxides contained in exhaust gas discharged from, for example, a gas turbines for generating plants, coal fired boilers, etc.Denitration catalysts used for treating nitrogen oxides contained in ...

CATALYST COMPOSITIONS AND APPLICATIONS THEREOF

In one aspect, structural catalyst bodies comprising one or more gradients of catalytic material are provided herein. In some embodiments, a structural catalyst body described herein comprises an inner partition wall having a first surface and a second surface opposite the first surface, the inner partition wall having a gradient of catalytic material along the width of the inner partition wall. 1. A structural catalyst body comprising:at least one inner partition wall comprising a gradient of a bulk first catalytic material along a width of the inner partition wall.2. The structural catalyst body of claim 1 , wherein the bulk first catalytic material of the gradient decreases in concentration at the periphery of the width of the inner partition wall.3. The structural catalyst body of claim 1 , wherein the bulk first catalytic material of the gradient increases in concentration along a central region of the width of the inner partition wall.4. The structural catalyst body of claim 1 , wherein the gradient of the bulk first catalytic material has a profile substantially symmetrical about a midpoint of the profile.5. The structural catalyst body of claim 3 , wherein the concentration of the bulk first catalytic material at a point in the central region of the width of the inner partition wall is at least 1.3 times greater than a concentration of the bulk first catalytic material at a peripheral point of the width of the first surface.6. The structural catalyst body of claim 3 , wherein the concentration of bulk first catalytic material at a point in the central region of the width of the inner partition wall is at least 2 times greater than a concentration of the bulk first catalytic material at a peripheral point of the width of the first surface.7. The structural catalyst body of further comprising a gradient of a bulk second catalytic material along a width of the inner partition wall.8. The structural catalyst body of claim 7 , wherein the bulk second catalytic ...

AQUEOUS DISPERSION AND COATING MATERIAL USING THE SAME, AND PHOTOCATALYTIC FILM AND PRODUCT

An aqueous dispersion of an embodiment includes visible-light responsive photocatalytic composite microparticles containing tungsten oxide and zirconium oxide, and an aqueous dispersion medium in which the photocatalytic composite microparticles are dispersed. In the photocatalytic composite microparticles, a ratio of a mass of the zirconium oxide to a mass of the tungsten oxide is in a range of from 0.05% to 200%, and a D50 particle size in particle size distribution is in a range of from 20 nm to 10 μm. The aqueous dispersion has pH in a range of from 1 to 9. 1. An aqueous dispersion , comprising:visible-light responsive photocatalytic composite microparticles containing tungsten oxide and zirconium oxide; andan aqueous dispersion medium in which the photocatalytic composite microparticles are dispersed,wherein a ratio of a mass of the zirconium oxide to a mass of the tungsten oxide in the photocatalytic composite microparticles is in a range of from 0.05% to 200%;wherein a D50 particle size in particle size distribution of the photocatalytic composite microparticles is in a range of from 20 nm to 10 μm; andwherein pH of the aqueous dispersion is in a range of from 1 to 9.2. The aqueous dispersion according to claim 1 ,wherein the ratio of the mass of the zirconium oxide to the mass of the tungsten oxide is in a range of from 0.1% to 150%.3. The aqueous dispersion according to claim 1 ,wherein the photocatalytic composite microparticles contain microparticles of the tungsten oxide and microparticles of the zirconium oxide, andwherein a ratio of an average primary particle size of the zirconium oxide microparticles to an average primary particle size of the tungsten oxide microparticles is in a range of from 0.05 to 20.4. The aqueous dispersion according to claim 3 ,wherein the zirconium oxide microparticles have rod-shaped primary particles, and a ratio of an average major axis of the rod-shaped primary particles to the average primary particle size of the ...

METHODS FOR REACTING CHEMICAL STREAMS WITH CATALYSTS COMPRISING SILICA, ALUMINA, AND TUNGSTEN

One or more embodiments presently disclosed is directed to a method for reacting a chemical stream which may include contacting the chemical stream with a catalyst to produce a product stream. The catalyst may include alumina, silica, and a catalytically active compound such as tungsten. 1. A method for reacting a chemical stream , the method comprising:contacting the chemical stream with a catalyst to produce a product stream, wherein the chemical stream comprises at least a first alkene and the product stream comprises at least a second alkene which is a result of isomerization, metathesis, or both, of the first alkene;wherein the contacting of the chemical stream with the catalyst is at a temperature of less than or equal to 500° C.; and a plurality of catalyst support particles comprising from 0.1 weight percent to 5 weight percent alumina and from 95 weight percent to 99.9 weight percent silica based on the total weight of the catalyst support particles; and', 'a catalytically active compound deposited onto surfaces of the plurality of catalyst support particles, the surfaces of the plurality of catalyst support particles being accessible to gases and vapors, wherein the catalytically active compound comprises tungsten and the catalytically active compound is deposited on from 1% to 50% of the surfaces of the catalyst support particles that are accessible to gases and vapors., 'the catalyst comprises2. The method of claim 1 , wherein the first alkene is 2-butene claim 1 , and the chemical stream comprises at least 5 mol. % 2-butene.3. The method of claim 2 , wherein the second alkene is propylene claim 2 , and the product stream comprises at least 10 mol. % propylene.4. The method of claim 1 , wherein the chemical stream has a space velocity of at least 1000/hour.5. The method of claim 1 , wherein the catalyst comprises from 2 weight percent to 11 weight percent of the catalytically active compound based on the total weight of the catalyst.6. The method of ...

다이옥신 제거용 크롬·텅스텐·타이타니아 촉매 및 이를이용한 다이옥신 제거방법

본 발명은 다이옥신 제거용 크롬-텅스텐-타이타니아 촉매 및 이를 이용한 다이옥신의 제거방법에 관한 것으로, 타이타니아 담지체상에 촉매의 총중량을 기준으로 크롬이 1 내지 30 중량%, 텅스텐이 1 내지 40 중량% 담지된 다이옥신 제거용 촉매 및 150 ℃ 이상의 산화분위기 하에서 상기 촉매를 다이옥신이 함유된 폐가스와 반응시키는 것을 특징으로 하는 다이옥신 제거방법을 제공된다. 본 발명의 다이옥신 제거용 크롬-텅스텐-타이타니아 촉매를 사용함으로써 폐가스에 함유된 다이옥신을 보다 효율적으로 제거할 수 있다.

Catalyst having at least one element of group viib and its use in hydro-treating

본 발명은, 탄화수소 공급 원료의 전환 반응, 구체적으로 수소 첨가 처리에 사용하기 위한 촉매에 관한 것이다. 본 발명의 촉매는, 1종 이상의 VIIB족 금속과 1종 이상의 수소 첨가/탈수소화 금속(예를 들면 VIII족 비귀금속 및/또는 VIB족 금속, 바람직하게는 몰리브덴 또는 텅스텐) 및 1종 이상의 다공성 매트릭스, 통상적으로 비정질 산화물 또는 광범위한 결정화 형태의 매트릭스를 포함한다. 또한, 본 발명의 촉매는 규소, 붕소 또는 인을 더 포함한다. 본 발명의 촉매는 경우에 따라서 1종 이상의 할로겐을 함유할 수도 있다. The present invention relates to a catalyst for use in the conversion reaction of hydrocarbon feedstocks, specifically in the hydrogenation process. The catalyst of the present invention comprises at least one Group VIIB metal and at least one hydrogenated / dehydrogenated metal (eg Group VIII non-noble and / or Group VIB metals, preferably molybdenum or tungsten) and at least one porous matrix. , Typically amorphous oxides or matrices in a wide range of crystallized forms. In addition, the catalyst of the present invention further includes silicon, boron or phosphorus. The catalyst of the present invention may optionally contain one or more halogens.

Catalyst comprising at least one element of group VIIB and its use in hydroprocessing

Cr·W·Ba·TiO2 CATALYST AND METHOD FOR THE REMOVAL OF DIOXINS

본 발명은 다이옥신 제거용 크롬-텅스텐-바륨-타이타니아 촉매 및 이를 이용한 다이옥신의 제거방법에 관한 것으로, 타이타니아 담지체상에 촉매의 총중량을 기준으로 크롬이 1 내지 30 중량%, 텅스텐이 1 내지 40 중량%, 및 바륨이 1 내지 10 중량% 담지된 다이옥신 제거용 촉매 및 150 ℃ 이상의 산화분위기 하에서 상기 촉매를 다이옥신이 함유된 폐가스와 반응시키는 것을 특징으로 하는 다이옥신 제거방법을 제공된다. The present invention relates to a chromium-tungsten-barium-titanium catalyst for dioxin removal and a method for removing dioxin using the same. %, And a dioxin removal catalyst loaded with 1 to 10% by weight of barium, and a dioxin removal method comprising reacting the catalyst with a waste gas containing dioxins under an oxidation atmosphere of 150 ° C. or higher. 본 발명의 다이옥신 제거용 크롬-텅스텐-바륨-타이타니아 촉매를 사용함으로써 폐가스에 함유된 다이옥신을 보다 효율적으로 제거할 수 있다. By using the chromium-tungsten-barium-titania catalyst for dioxin removal of this invention, the dioxins contained in waste gas can be removed more efficiently.

A kind of carbon fiber@tungsten oxide nanoparticles core-shell structure and preparation method thereof

本发明涉及一种碳纤维@氧化钨纳米颗粒核壳复合结构及其制备方法，属于材料制备技术领域。本发明提出的复合结构的内核是碳纤维、外壳是氧化钨纳米颗粒。本发明在真空炉中，在载气作用下，在高温下直接加热浸泡过WO 3 悬浊液的预氧化聚丙烯腈纤维，高产率、一步合成碳纤维@缺氧型氧化钨(WO x )纳米颗粒核壳复合结构。然后，将这种碳纤维@WO x 纳米颗粒核壳复合结构在低温下、空气中退火进一步得到碳纤维@WO 3 纳米颗粒核壳复合结构。该方法产物密度高、组成和形貌可控，制备后可直接使用，无需后处理；且该方法具有设备和工艺简单、材料合成生长条件严格可控、产量大、成本低廉、生产过程清洁环保等优点。所获得材料是优异的可见光催化剂、电催化剂。

Methylmercaptane synthesis catalyst and method of preparation thereof

FIELD: organic synthesis catalysts. SUBSTANCE: catalyst for synthesis of methylmercaptane from hydrogen sulfide and methanol consists of activated alumina supporting 15-40 wt % precipitated cesium tungstate as promoter. EFFECT: unexpected growth of catalytic activity and selectivity compared to wide-spread potassium tungstate catalyst. 3 cl, 2 tbl, 11 ex (19) 13) ВИ” 2491 069” С2 51) МПК’ в 04 3} 23/30, 23/04, 37/02, С 07 С 319/08 РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ эог6егс пы сэ (21), (22) Заявка: 97116038/04, 26.09.1997 (71) Заявитель: ДЕГУССА АКЦИЕНГЕЗЕЛЬШАФТ (0Е) (24) Дата начала действия патента: 26.09.1997 . (72) Изобретатель: ЗАУЭР Иорг (ОЕ), (30) Приоритет: 26.09.1996 ОЕ 19639584.4 БЕКК Вольфганг (ОЕ), ФОН ХИППЕЛЬ Лукас (ОЕ), БУРКХАРДТ Вернер (ОЕ), РАУТЕНБЕРГ (43) Дата публикации заявки: 27.06.1999 Стефан (ОЕ), АРНЦ Дитрих (ОЕ), ХОФЕН Вилли © (46) Дата публикации: 20.10.2002 (БЕ) о (56) Ссылки: Ц$ 2820062 А, 14.01.1958. ВИ 2056940 | (79) ТУССА АКЧИЕНГЕЗЕЛЬШ АФТ (ОЕ) СЛ, 27.03.1996. ОЕ 1768826 А, 20.04.1972. ЕВ 2253013 А, 27.06.1975. ЕР 0564706 АЛ, (74) Патентный поверенный: © 13.10.1993. Веселицкая Ирина Александровна о (98) Адрес для переписки: 101000, Москва, Малый Златоустинский пер., © д.10, кв.15, "ЕВРОМАРКПАТ", И.А.Веселицкой — (54) КАТАЛИЗАТОР ДЛЯ СИНТЕЗА МЕТИЛМЕРКАПТАНА И СПОСОБ ЕГО ПОЛУЧЕНИЯ © == (57) активного оксида алюминия, на который Изобретение относится к катализатору, осаждением наносят 15-40 мас.% сх' предназначенному для синтеза вольфрамата цезия в качестве промотора. По метилмеркаптана из метанола и сравнению с преимущественно применяемым сероводорода, а также к способу получения в уровне техники вольфраматом калия — этого катализатора. Описываются промотор вольфрамат цезия обеспечивает катализатор, предназначенный для синтеза неожиданное повышение каталитической О’ метилмеркаптана ИЗ сероводорода и метанола, а также способ получения этого катализатора. Катализатор ...

Preparation method and application of attapulgite composite material with plasma resonance effect

本发明属于矿物复合材料技术领域，涉及一种具有等离子共振效应凹凸棒石复合材料的制备方法及其应用。其制备方法为：(1)取纯化过的凹凸棒石粘土进行酸化处理，得到改性凹凸棒石；(2)将六氯化钨和改性凹凸棒石加入到无水乙醇中超声波混合；(3)得混合溶液置于微波水热化学反应仪中反应，然后离心，洗涤，干燥后得到氧化钨(W 18 O 49 )/凹凸棒石复合光催化材料。本发明运用微波溶剂热法合成等离子型氧化钨/改性凹凸棒石纳米复合材料，制得的催化剂能够在可见光的照射下把N 2 最大程度的转化成NH 3 ，具有优异的光催化能力。

Improvements relating to catalysts

Catalyst for synthesis of methylmercaptan and method of its production

FIELD: catalyst for synthesis of methylmercaptan. SUBSTANCE: method consists in synthesis of methylmercaptan from hydrogen sulfide and methanol. Catalyst consists of active aluminum oxide on which potassium tungstate in the amount of 5-25 mas.% is applied by deposition as promoter. Catalyst is obtained due to impregnation effect by two-stage system at intermediate drying. EFFECT: higher selectivity of catalyst produced by said method as compared with catalyst produced by single-stage method. 5 cl, 3 dwg, 1 tbl, 6 ex па (19) 13) ВИ” 2190 467‘ (51) МПК? С2 В 01 { 23/30, 23/04, 37/02, С 07 С 319/08 РОССИЙСКОЕ АГЕНТСТВО ПО ПАТЕНТАМ И ТОВАРНЫМ ЗНАКАМ 12) ОПИСАНИЕ ИЗОБРЕТЕНИЯ К ПАТЕНТУ РОССИЙСКОЙ ФЕДЕРАЦИИ (21), (22) Заявка: 97116037/04, 26.09.1997 (71) Заявитель: ДЕГУССА АКЦИЕНГЕЗЕЛЬШАФТ (0Е) (24) Дата начала действия патента: 26.09.1997 (72) Изобретатель: ЗАУЭР Йорг (ОЕ), (30) Приоритет: 26.09.1996 ОЕ 19639520.8 ФОН ХИППЕЛЬ Лукас (ОЕ), АРНЦ Дитрих (ОЕ), БЕКК Вольфганг (ОЕ) (43) Дата публикации заявки: 21.06.1999 (73) Патентообладатель: сч (46) Дата публикации: 10.10.2002 ДЕГУССА АКЦИЕНГЕЗЕЛЬШАФТ (ОЕ) © (56) Ссылки: ЦЗ 2820062 А, 14.01.1958. КЦ 2056940 (74) Патентный поверенный: СЛ, 27.03.1996. ОЕ 1768826 А, 20.04.1972. ЕК Веселицкая Ирина Александровна 2253013 А, 27.06.1975. ЕР 0564706 АЛ, ^ 13.10.1993. о (98) Адрес для переписки: 101000, Москва, Малый Златоустинский пер., < 10, кв.15, "ЕВРОМАРКПАТ", И.А. Веселицкой © (54) КАТАЛИЗАТОР ДЛЯ СИНТЕЗА МЕТИЛМЕРКАПТАНА И СПОСОБ ЕГО ПОЛУЧЕНИЯ © (57) обладает значительно более высокой =” Изобретение относится к катализатору для селективностью при синтезе с^' синтеза метилмеркаптана и способу его метилмеркаптана. 2 с. и 3 з.п. ф-пы, 1 получения. Описываются катализатор, табл., 3 ил. предназначенный для синтеза т— | Г | -1—— > метилмеркаптана из сероводорода и р - || и и метанола, а также способ получения этого И О’ катализатора. Катализатор состоит из Що - — активного оксида алюминия, на который =— осаждением наносят 5 - 25 мас.% ...

Catalyst improvements

Process for recovering catalysts

A kind of middle high temperature SCR denitration with alkali resistant metal poisoning and preparation method thereof

本发明公开了一种具有抗碱金属中毒的中高温SCR脱硝催化剂及其制备方法。该催化剂各组分的质量百分含量如下:V 2 O 5 为1％、WO 3 为5％、CeO 2 为10％，其余组分为TiO 2 。该脱硝催化剂的制备包括浸渍液的制备、活性组分的负载、超声浸渍、焙烧四个步骤。本发明中的催化剂由加入CeO 2 改性，形成更多的表面酸性位和表面化学吸附氧，更有利于NH 3 在催化剂表面的吸附和氧化，V与Ce之间协同作用形成的V‑O‑Ce活性中心，可有效的抑制V的活性中心被碱金属破坏，进而极大地提高了催化剂的脱硝性能和抗碱金属中毒性能。本发明催化剂制备方法简单、流程清晰、易操作、安全，制备的催化剂在碱金属含量较高的烟气中有明显优势。

Catalyst

Catalyst, process for its production and use in synthesis of methylmercaptan

Upgrading hydrocarbon oils in the presence of hydrogen with a tungsten oxide, molybdenum oxide on silica-alumina catalyst composite

Method for synthesizing catalyst and alkyl mercaptan and method for producing the catalyst

A kind of nano-sheet tungsten oxide/graphene oxide Core-shell structure material and the preparation method and application thereof

一种纳米片状氧化钨/氧化石墨烯核壳结构材料及其制备方法与应用。将钨粉和氟化钠混合均匀得到混合粉体A；取H 2 O 2 和HNO 3 混合均匀得混合溶液B；向混合溶液B中加入氧化石墨烯水溶液得混合溶液C；将混合粉体A缓慢加入混合溶液C中得溶液E；将溶液E置于水热反应釜内进行水热反应，冷却，洗涤、收集、烘干，即得到纳米片状氧化钨/氧化石墨烯核壳结构材料。该核壳结构材料为方形单层薄片状结构，内层核为方形氧化钨纳米片，外层为氧化石墨烯，其中氧化钨单层薄片的厚度为10～30nm，长宽为100～250nm，外层氧化石墨烯的包覆厚度为5～20nm。应用于钠/锂/镁离子电池、超级电容器及光催化领域，表现出了优异的性能。

Improvements in and relating to catalysts

In a process for producing a tungstic acid catalyst, tungstic acid pellets are dehydrated to a bound water content of 0,2-3% such that the pellets suffer no physical damage and thereafter the tungsten present is reduced to a lower valency state. The catalyst may additionally contain Al2O3, SiO2, TiO2 and P.T.F.E. Olefines may be hydrated to the corresponding alcohols using a catalyst consisting of tungsten oxides produced by compacting H2WO4 at a pressure of 2-20 tons p.s.i., coarsely powdering the compacted product, pelleting the coarse powder at a pressure of 30-100 tons p.s.i., heating the pellets at 250 DEG -300 DEG C. at a rate of not more than 3 DEG C. per minute, holding the pellets at 250 DEG -300 DEG C. until their bound water content is from 0,5-2% and reducing the tungsten present to an oxide having a formula in the range WO3-WO2,5. Examples are given. Specification 930,093 is referred to.ALSO:Olefines, e.g. ethylene, propylene, butenes, pentenes, hexenes, heptenes, octenes and nonenes are hydrated to corresponding alcohols in the presence of a tungstic acid catalyst prepared by reducing the bound water content of tungstic acid pellets to between 0.2 and 3% followed by reduction of the tungsten to a lower valency state. Additionally the catalyst may contain SiO2, Al2O3, TiO2 or P.T.F.E. Details of reaction conditions for the conversion of propylene, isobutene, and butene-1 or -2 to propanol, t-butanol and sec-butanol respectively are provided. Specification 930,093 is referred to.

Catalyst containing an oxide of technetium as a promoter

The catalyst comprises a component having hydrogenationdehydrogenation activity, a suitable support, and as a promoter a small amount of technetium. The support may comprise alumina and the component having hydrogenation-dehydrogenation activity and dehydrocyclization activity may be a Group VIII noble metal or a metal from Group VIA of the Periodic Table of Elements. The small amount of technetium is about 0.01 to about 2 weight percent, based on the weight of the catalyst. The process comprises contacting a petroleum hydrocarbon stream in a reforming zone under suitable reforming conditions and in the presence of hydrogen with a catalyst of the invention.

A kind of intelligent and high-efficiency UV photodissociation devices

本发明公开了一种智能高效UV光解装置，从前往后依次包括进气管段、加速段、光解模组、风机、出口段，所述进气管段通入废气，进气管段开有进氧支管，进氧支管通氧气或臭氧，所述加速段包含若干两端宽中间窄的文丘里流道，所述光解模组包括若干间隔布置的紫外灯组、催化框，所述催化框内密布金属网，金属网之间填充光解催化剂；所述风机后端管路扩径，风机后端伸出一根回流管至加速段前，所述出口段管路设置有检测器；所述紫外灯组具有控制开关，所述风机、检测器、控制开关电连接外部控制器。本发明构造简单，经过物料流量、回流比的自动调节使体系大大提高光解效率和效果，为当今的UV光解市场提供新的技术价值。

Process for the production of cyclohexanone oxime

1,130,310. Cyclohexanone oxime. TOA GOSEI CHEMICAL INDUSTRY CO. Ltd. 6 June, 1967 [3 Aug., 1966], No. 26010/67. Heading C2C. Cyclohexanone oxime is produced by treating cyclohexanone with ammonia and hydrogen peroxide in the presence of a peroxide catalyst previously prepared by peroxidizing tungstic acid or a derivative thereof with hydrogen peroxide. The process is preferably carried out at 5-50‹ C. Tungstic acid derivatives which may be used in the preparation of the catalysts include, for example, isopolytungstic acids such as paratungstic acid and metatungstic acid; heteropolytungstic acids; and watersoluble organic or inorganic salts of these compounds or of tungstic acid. A solvent is preferably used in the process, e.g. water and/or an organic solvent. A condensation inhibitor, e.g. hydroquinone, and a yield-improving agent, e.g. a metal salt, sulphur, sulphides, sulphurcontaining organic compounds, borates or phosphates, may also be present.

A kind of preparation method and application of tubulose tungsten oxide-graphene composite material

一种管状氧化钨‑石墨烯复合材料的制备方法及应用。本发明属于先进材料技术领域，具体涉及一种管状氧化钨‑石墨烯复合材料的制备方法及应用。本发明的目的是通过制备氧化钨‑石墨烯复合材料提升石墨烯材料的温敏特性。方法：一、将石墨氧化成氧化石墨粉；二、将氧化石墨粉超声分散在正丙醇中，然后加入六氯化钨，进行水热反应；三、调节pH值至9～10，然后加入50％的水合肼水溶液，油浴中反应，反应后进行离心清洗后进行干燥，得到黑色粉末，即管状氧化钨‑石墨烯复合材料。应用：作为温度传感器的温敏特性材料应用、作为气体传感器敏感材料应用或作为光催化降解材料应用。

Manufacturing process of cyclohexanone oxime

Olefin disproportionation catalyst

A catalyst for the olefin disproportionation of unsaturated hydrocarbons is provided comprising a physical mixture of a solid disproportionation catalyst and a double bond isomerization catalyst wherein the double bond isomerization catalyst is further treated with a base.

Catalyst for oxygen reduction reaction and air electrode for metal-air secondary battery

本発明は、高活性な貴金属を含まない酸素還元反応(ORR)触媒を提供する。このORR触媒を用いた空気極及び空気二次電池を提供する。本発明は、ダブルペロブスカイト型遷移金属酸化物及び酸素欠損ペロブスカイト型遷移金属酸化物から成る群から選ばれる少なくとも1種の化合物を含む酸素還元反応用触媒、この触媒を含む金属空気二次電池用空気極、この空気極と、負極活物質を含有する負極と、空気極と負極との間に介在する電解質と、を有する金属空気二次電池に関する。 The present invention provides an oxygen reduction reaction (ORR) catalyst free of highly active noble metals. An air electrode and an air secondary battery using the ORR catalyst are provided. The present invention relates to an oxygen reduction reaction catalyst comprising at least one compound selected from the group consisting of a double perovskite type transition metal oxide and an oxygen deficient perovskite type transition metal oxide, and an air for a metal-air secondary battery containing this catalyst. The present invention relates to a metal-air secondary battery having an electrode, the air electrode, a negative electrode containing a negative electrode active material, and an electrolyte interposed between the air electrode and the negative electrode.

Catalytic filter element and preparation method thereof

本发明提供了一种催化滤芯元件及其制备方法，所述的催化滤芯元件包括滤芯以及负载于滤芯表面的催化剂层；滤芯为酸改性后的滤芯，和/或催化剂层为酸改性后的催化剂层。所述的制备方法包括：对滤芯和/或催化剂层进行酸改性处理，然后将催化剂层负载于滤芯上，制备得到所述催化滤芯元件。本发明对滤芯和/或催化剂层进行酸改性处理，弱化滤芯纤维中杂元素对催化性能的抑制、强化滤芯中催化剂的催化活性，使本发明兼具催化和除尘功能，相比于传统陶瓷纤维催化滤芯，针对短接触时间工况能够大大提升催化性能，具有占地面积小、投资成本低和运行成本低等优点，保证除尘效果的前提下，在300℃面速度1Nm/min(标况)条件下，脱硝率均在92.3％以上。

用于合成烷基硫醇的催化剂及其制备方法、烷基硫醇的制备方法

本发明涉及一种用于合成烷基硫醇的催化剂及其制备方法，所述制备方法包括：向铝溶胶中加入表面活性剂，然后在加热和乳化条件下，加入一定比例的碱金属盐和钨酸的铵盐，得到配制物，调节配制物的pH值为5‑8后停止加热和乳化，静置得到凝胶，将凝胶进行干燥和煅烧后，成型得到催化剂。本发明还涉及一种烷基硫醇的制备方法，所述制备方法在所述催化剂的存在下进行。本发明将活性组分负载和载体的制备结合在一起，使得到的催化剂中活性组分负载均匀，具有优异的选择性和活性，用于催化制备烷基硫醇时，在低硫炭比下依旧能保持优异的选择性和稳定性。因此，本发明可以降低硫化氢与烷基醇的摩尔比，进而降低反应产物的分离能耗，降低成本。

一种缺氧氧化钨加氢催化剂制备的方法

本发明涉及一种缺氧氧化钨加氢催化剂的制备方法，加氢催化剂载体WO 3 采用WCl 6 醇解煅烧制备；加氢催化剂依靠致孔剂调节比表面积、孔容孔径；催化剂活性依靠缺氧氧化钨形成的氧空穴WO 3‑x ；该方法中所涉及到的加氢催化剂可应用于线性烯烃、环烯烃、芳香族硝基的加氢反应，加氢活性高，使用寿命长，重复性好，性能稳定；该加氢催化剂加氢活性依赖于氧空穴的浓度，烯烃在低至60℃条件下可以被加氢还原为烷烃，收率＞90％，增加反应时间或提高反应温度，收率接近98％。催化剂原料价格低廉、制备容易、可再生性能好，适用于脱烯烃反应和精细化工产品生产。

Process for the regeneration of catalysts

Verfahren zur Herstellung von Aceton

Catalyst for olefins generation

An active material useful in an oxidative dehydrogenation reactor system has an active phase, and a mixed metal oxide support phase. The active phase includes a transition metal oxide such as manganese oxide, which is reversibly oxidizable and/or reducible between oxidized and reduced states. The support phase includes a mixed metal oxide of a two or more IUPAC Group 2-14 elements. The active phase can also include a promoter such as Na-WO4 and/or a selectivity modifier such as Al or ceria. Also, a reactor including the active material in a reactor, a method of making the active material, and a method of using the active material in a regenerative reaction process.

Procede de preparation d'olefines cycliques par hydrogenation selective partielle d'hydrocarbures aromatiques et nouveaux produits ainsi obtenus

Procédé de préparation d'oléfines cycliques et nouveaux produits ainsi obtenus. Ce procédé de préparation d'oléfines cycliques à partir d'hydrocarbures aromatiques soumet à l'hydrogénation partielle des hydrocarbures aromatiques avec de l'hydrogène et un catalyseur au ruthénium, dans des conditions d'hydrogénation, dans une dispersion aqueuse contenant un sel d'acide de phosphore; le catalyseur au ruthénium comprend du ruthénium métallique activé par au moins un métal choisi dans le groupe se composant notamment d'indium, d'yttrium, de cuivre et de cobalt La présente invention est particulièrement utile pour la production d'oléfines cycliques obtenues par hydrogénation d'hydrocarbures aromatiques, avec un rendement plus élevé que dans la technique antérieure.

一种烟气脱硝催化剂及其制备方法

本发明提供了一种烟气脱硝催化剂及其制备方法，包括如下步骤：步骤1，将钛源前驱体溶液和铝源前驱体溶液混合，调节pH值至7～12，沉淀；步骤2，将步骤1得到的沉淀物与碱液混合，搅拌，得到二次沉淀物；步骤3，将二次沉淀物与钨源前驱体溶液混合，干燥、焙烧，得中间体粉料；步骤4，将中间体粉料与钒源前驱体溶液、高分子分散剂、粘结剂、造孔剂混合，调节pH值至7～12，均匀混合形成浆料；步骤5，将步骤4所得浆料冲压成型，得到波纹片，在波纹片之间喷涂树脂胶后层叠组装，得到波纹板式烟气脱硝催化剂。本发明烟气脱硝催化剂的活性组分分散均匀，外比表面积大，成型率高，制作成本低，尤其适用于高空速的脱硝需要。

一种复合光催化剂及其制备方法

本发明公开了一种复合光催化剂及其制备方法，属于光催化剂领域。所述方法包括：将布置于基底上的氧化锌纳米棒阵列浸渍于偏钨酸铵溶液中，使偏钨酸铵吸附在氧化锌纳米棒上；取出布置有氧化锌纳米棒阵列的基底，清洗干燥后，进行焙烧，使吸附的所述偏钨酸铵分解，得到组成含氧化锌和钨酸锌的复合光催化剂。该复合光催化剂具有良好的光催化性能，该制备方法无需贵重设备，且制备成本低，易于大面积推广。

一种含钨和碱金属元素的复合氧化物、其制备方法和用途

本发明属于催化剂领域，具体涉及甲烷氧化偶联反应中的助催化剂及其催化剂组合物，以及在催化化学反应中的应用。所述助催化剂为含钨和碱金属元素的的复合氧化物，该复合氧化物包含碱金属和/或碱土元素A、钨元素W、助剂元素M以及氧元素O，且所述碱金属元素A、钨元素W、助剂元素M均与氧元素O形成复合物。该复合氧化物作为助催化剂可显著提高在甲烷和氧气共进气的OCM床层反应器中反应的C2选择性和C2收率，具有很大应用价值。

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一种二氧化钛掺杂三氧化钨粉体催化剂的制备方法

本发明涉及半导体材料科学技术领域，具体涉及一种二氧化钛掺杂三氧化钨粉体催化剂的制备方法。一种二氧化钛掺杂三氧化钨粉体催化剂的制备方法，包括以下步骤：步骤1：制备淡黄色三氧化钨粉末；步骤2：制备钛酸胶体溶液；步骤3：制备二氧化钛掺杂三氧化钨粉体。本发明掺杂二氧化钛后的三氧化钨粉体与纯三氧化钨相比，光吸收性能显著增强。当煅烧温度为550℃、二氧化钛掺杂量为5％、催化剂最佳用量为0.04 g时，二氧化钛掺杂的三氧化钨粉体的催化降解性能最好，对甲基紫的降解率可达88.56％。

一种碳载H2O-WOx纳米颗粒复合结构及其制备方法

本发明提出一种能够提供额外空配位点的WO x 基异相催化剂，这种能够提供额外空的配位点的WO x 基异相催化剂为H 2 O‑WO x @C。催化烯烃环氧化反应时，配位H 2 O会从WO x 脱落并留下一个未被占据的配位点，以提高催化活性，催化反应完成后，空配位活性位点将重新恢复为H 2 O‑WO x @C，以此提高催化剂的稳定性。

纳米片Zn2SnO4/Bi2WO6催化降解气相污染物的方法

本分案申请涉及纳米片Zn 2 SnO 4 /Bi 2 WO 6 催化降解气相污染物的方法，该方法先制备Zn 2 SnO 4 粉末，将Zn 2 SnO 4 粉末溶于Bi(NO 3 ) 3 ·5H 2 O与Na 2 WO 4 ·2H 2 O混合溶液中，持续搅拌、超声处理后，进行离心、干燥，得到Zn 2 SnO 4 /Bi 2 WO 6 纳米片。本发明制备的Zn 2 SnO 4 /Bi 2 WO 6 纳米片比表面积大，吸附能力强；具有更好的可见光吸收性能，对光催化氧化降解有机污染物有很大的提高；而且本发明Zn 2 SnO 4 /Bi 2 WO 6 纳米片的制备方法比较简单，易于操作。

構造物及びその製造方法

【課題】高い光触媒活性を有する構造物及びその製造方法の提供。【解決手段】第１の結晶構造を有する第１の金属化合物１と、第１の金属化合物１の表面に位置し、第１の結晶構造と異なる第２の結晶構造を有する第２の金属化合物層２と、を備え、第２の金属化合物層２は、厚さが１０ｎｍ以下であり、表面に第２の金属化合物層２を有する第１の金属化合物１は、時間分解分光測定において第１の波数未満の波数範囲に吸収ピークを有する構造物１００。第２の結晶構造がアモルファス構造であり、第１の金属化合物１が光触媒である構造物。【選択図】図１

具有近红外光电响应的一维p-n异质结材料及其制备方法

本发明公开了一种具有近红外光电响应的p‑n异质结材料及其制备方法，该材料选择p型半导体碳纳米管(CNTs)作为衬底材料，创新性地在其表面生长一维n型半导体W 18 O 49 纳米棒，形成异质结。由于碳纳米管和W 18 O 49 具有不同的带结构，可以在两者界面处形成内建电场驱动电荷分离。和多壁碳纳米管、W 18 O 49 相比，这为W 18 O 49 在红外光电催化及传感等领域开拓了巨大的应用前景。

Katalysator fuer die Dampfphasenoxydation von aliphatischen, alkylaromatischen oder aromatischen Kohlenwasserstoffen

構造物及びその製造方法

高い光触媒活性を有する構造物及びその製造方法を提供する。一の実施形態に係る構造物は、第１の結晶構造を有する第１の金属化合物と、前記第１の金属化合物の表面に位置し、前記第１の結晶構造と異なる第２の構造を有する第２の金属化合物層と、を備え、表面に前記第２の金属化合物層を有する前記第１の金属化合物は、レーザーパルス照射の５μｓ後に測定した時間分解分光測定において、１０００ｃｍ －１ 以上２００００ｃｍ －１ 以下の波数範囲内における過渡吸収強度の最大値が、１０００ｃｍ －１ 以上８０００ｃｍ －１ 以下の波数範囲に存在し、波数１５０００ｃｍ －１ における過渡吸収強度に対する前記最大値の過渡吸収強度の比が１０倍以上であることを特徴とする。

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Verfahren zur Herstellung von Cyclohexanonoxim

一种等离子体协同催化脱硝用钒基催化剂及其制备方法和应用

本发明提供了一种等离子体协同催化脱硝用钒基催化剂及其制备方法和应用，属于催化材料技术领域。本发明通过一步水热法使TiO 2 载体的生成与活性组分V 2 O 5 和MnO x 的负载一步完成，其中TiO 2 载体主体为无定形态，少量为锐钛矿晶型，催化剂整体呈现纳米球形结构，表层存在皱褶，促进了比表面积的提升，进一步提高了催化活性；通过一步水热法将活性组分V 2 O 5 和MnO x 负载在微孔TiO 2 载体上，通过增强催化剂微孔结构的内部放电、促进快速SCR反应的发生以及γ‑MnO 2 助催化抑制臭氧作用，提高了催化剂的催化活性并拓宽了活性窗口。

一种氢钨青铜复合光催化材料及其制备方法、应用

本发明提供了一种氢钨青铜复合光催化材料及其制备方法、应用，氢钨青铜复合光催化材料为氢钨青铜与碳量子点复合材料，原料氧化钨(WO 3 )与聚丙烯(PP)两者球磨法原位一步制备复合。本发明以高分子聚合物PP同时作为碳和氢的供体进行机械化学反应，通过产生的氢溢流效应诱导WO 3 还原合成氢钨青铜(H x WO 3 )，同时PP分解生成的碳量子点(CQDs)与氢钨青铜复合；可获得具有近红外光吸收性能、简便快捷、条件温和、高产量的复合光催化材料一体化原位制备技术。本发明制备的复合光催化材料对抗生素废水具有高效处理效果，在自然光下仍能保持降解性能，具有广阔的应用前景。

Process for the production of cyclohexanone oxime

A PROCESS FOR PRODUCING CYCLOHEXANONE OXIME BY THE OXIDATION OF CYCLOHEXANONE IN THE PRESENCE OF AMMONIA AND HYDROGEN PEROXIDE USING AS A CATALYST TUNGSTIC ACID, ISOPOLYTUNGSTIC ACID, HETEROPOLYTUNGSTIC ACID OR A SALT THEREOF. THE OXIDATION IS CONDUCTED IN THE PRESENCE OF A SOLUBLE TIN COMPOUND OR A POLYHYDRIC ALCOHOL, PREFERABLY, IN AN AQUEOUS MEDIUM AT NORMAL PRESSURE AND AT TEMPERATURE OF 5-50*C. TO IMPROVE THE YIELD FOR CYCLOHEXANONE OXIME AND PREVENT THE INSOLUBILIZATION OF THE CATALYST UNDER THE REACTION CONDITIONS. THE YIELD OF CYCLOHEXANONE OXIME IS ABOUT 92%.

一种烟气脱硝催化剂及其制备方法

本发明提供了一种烟气脱硝催化剂及其制备方法，包括如下步骤：步骤1，将钛源前驱体溶液和铝源前驱体溶液混合，调节pH值至7～12，沉淀；步骤2，将步骤1得到的沉淀物与碱液混合，搅拌，得到二次沉淀物；步骤3，将二次沉淀物与钨源前驱体溶液混合，干燥、焙烧，得中间体粉料；步骤4，将中间体粉料与钒源前驱体溶液、高分子分散剂、粘结剂、造孔剂混合，调节pH值至7～12，均匀混合形成浆料；步骤5，将步骤4所得浆料冲压成型，得到波纹片，在波纹片之间喷涂树脂胶后层叠组装，得到波纹板式烟气脱硝催化剂。本发明烟气脱硝催化剂的活性组分分散均匀，外比表面积大，成型率高，制作成本低，尤其适用于高空速的脱硝需要。

一种等离子体协同催化脱硝用钒基催化剂及其制备方法和应用

本发明提供了一种等离子体协同催化脱硝用钒基催化剂及其制备方法和应用，属于催化材料技术领域。本发明通过一步水热法使TiO 2 载体的生成与活性组分V 2 O 5 和MnO x 的负载一步完成，其中TiO 2 载体主体为无定形态，少量为锐钛矿晶型，催化剂整体呈现纳米球形结构，表层存在皱褶，促进了比表面积的提升，进一步提高了催化活性；通过一步水热法将活性组分V 2 O 5 和MnO x 负载在微孔TiO 2 载体上，通过增强催化剂微孔结构的内部放电、促进快速SCR反应的发生以及γ‑MnO 2 助催化抑制臭氧作用，提高了催化剂的催化活性并拓宽了活性窗口。

一种氢钨青铜复合光催化材料及其制备方法、应用

本发明提供了一种氢钨青铜复合光催化材料及其制备方法、应用，氢钨青铜复合光催化材料为氢钨青铜与碳量子点复合材料，原料氧化钨(WO 3 )与聚丙烯(PP)两者球磨法原位一步制备复合。本发明以高分子聚合物PP同时作为碳和氢的供体进行机械化学反应，通过产生的氢溢流效应诱导WO 3 还原合成氢钨青铜(H x WO 3 )，同时PP分解生成的碳量子点(CQDs)与氢钨青铜复合；可获得具有近红外光吸收性能、简便快捷、条件温和、高产量的复合光催化材料一体化原位制备技术。本发明制备的复合光催化材料对抗生素废水具有高效处理效果，在自然光下仍能保持降解性能，具有广阔的应用前景。

用于合成烷基硫醇的催化剂及其制备方法、烷基硫醇的制备方法

本发明涉及一种用于合成烷基硫醇的催化剂及其制备方法，所述制备方法包括：向铝溶胶中加入表面活性剂，然后在加热和乳化条件下，加入一定比例的碱金属盐和钨酸的铵盐，得到配制物，调节配制物的pH值为5‑8后停止加热和乳化，静置得到凝胶，将凝胶进行干燥和煅烧后，成型得到催化剂。本发明还涉及一种烷基硫醇的制备方法，所述制备方法在所述催化剂的存在下进行。本发明将活性组分负载和载体的制备结合在一起，使得到的催化剂中活性组分负载均匀，具有优异的选择性和活性，用于催化制备烷基硫醇时，在低硫炭比下依旧能保持优异的选择性和稳定性。因此，本发明可以降低硫化氢与烷基醇的摩尔比，进而降低反应产物的分离能耗，降低成本。

一种甲醛净化剂

本发明涉及一种甲醛净化剂，其特征在于，采用如下工艺制备：将硝酸锌、偏钒酸铵以及尿素和氟化铵、十二烷基硫醇溶于乙二醇中，得到分散液A，将钨酸铵加入到去离子水中，超声混合至完全溶解，加入氨水调节pH为9‑10，得到分散液B；将硼酸加入去离子水中，超声混合均匀得到分散液C；在磁力搅拌下将分散液B、分散液C同时逐滴加入到分散液A中，混合均匀后将其转移至高压反应釜中，180‑200摄氏度下反应10‑24h，离心，采用去离子水和乙醇交替洗涤3次，随后在300‑400摄氏度热处理3‑4h，得到B掺杂的ZnV 2 O 4 ‑WO 3 复合材料。

具有近红外光电响应的一维p-n异质结材料及其制备方法

本发明公开了一种具有近红外光电响应的p‑n异质结材料及其制备方法，该材料选择p型半导体碳纳米管(CNTs)作为衬底材料，创新性地在其表面生长一维n型半导体W 18 O 49 纳米棒，形成异质结。由于碳纳米管和W 18 O 49 具有不同的带结构，可以在两者界面处形成内建电场驱动电荷分离。和多壁碳纳米管、W 18 O 49 相比，这为W 18 O 49 在红外光电催化及传感等领域开拓了巨大的应用前景。

一种甲醛降解用锰酸锂催化剂的制备方法

本发明公开一种利用水热法以一水合氢氧化锂、高锰酸钾和还原剂为原料制备锰酸锂的方法。包括以下步骤：(一)、将高锰酸钾和一水合氢氧化锂分别溶解于相同体积的去离子水中，然后将一水合氢氧化锂溶液倒入高锰酸钾溶液中混合均匀；(二)、加入还原剂固体粉末，在室温下搅拌5‑10分钟，搅拌速度为200‑300r/min得到混合液；(三)、混合液转移至反应釜中，反应温度为150‑250℃，反应时间为1‑5小时；(四)、溶液抽滤，用蒸馏水洗涤，然后把所得粉体放入真空箱中，干燥得到的产物为锰酸锂粉体。该法步骤简单、操作容易，制备的甲醛降解催化剂具有较高的甲醛降解效率，稳定性好。

一种催化滤芯元件及其制备方法

本发明提供了一种催化滤芯元件及其制备方法，所述的催化滤芯元件包括滤芯以及负载于滤芯表面的催化剂层；滤芯为酸改性后的滤芯，和/或催化剂层为酸改性后的催化剂层。所述的制备方法包括：对滤芯和/或催化剂层进行酸改性处理，然后将催化剂层负载于滤芯上，制备得到所述催化滤芯元件。本发明对滤芯和/或催化剂层进行酸改性处理，弱化滤芯纤维中杂元素对催化性能的抑制、强化滤芯中催化剂的催化活性，使本发明兼具催化和除尘功能，相比于传统陶瓷纤维催化滤芯，针对短接触时间工况能够大大提升催化性能，具有占地面积小、投资成本低和运行成本低等优点，保证除尘效果的前提下，在300℃面速度1Nm/min(标况)条件下，脱硝率均在92.3％以上。

一种降低发动机尾气排放的方法

一种降低发动机尾气排放的方法，包括组成载体的载体原料以及组成催化剂的催化剂原料，所述载体原料为非水溶性组份，所述催化剂原料为水溶性组份；将载体原料以及致孔剂放入到催化剂的水溶液中，然后进行球磨混合，然后再进行冷冻干燥，冷冻干燥之后进行焙烧处理得到块状的催化剂；所述催化剂原料为钛源，钨源以及钒源。本申请采用两种形态的物质进行匹配，即可溶于水的催化剂原料作为球磨的液相，不可溶于水的载体原料作为球磨的固相，液相和固相在球磨过程中进行充分混合，从而可以得到分配均匀的催化剂，最终得到的催化剂为多孔物质，具有较好的抗高温、抗水以及抗硫的性质，保持活性的时间长。

一种镁锰类水滑石及其制备方法与其晶格置换固定重金属钴的应用

本发明属于吸附材料技术领域，公开了一种镁锰类水滑石及其制备方法与其晶格置换固定重金属钴的应用。该方法包括：将可溶性的镁盐和锰盐溶于水中得到镁盐与锰盐复合液，将可溶性的碳酸盐和氢氧化物溶于水中，得到碳酸盐与氢氧化物复合液；然后加入镁盐与锰盐复合液，搅拌，陈化，离心，洗涤，干燥，研磨过筛，得到镁锰类水滑石。本发明提供的镁锰类水滑石对Co具有优异的固定能力，能有效地降低重金属离子的迁移性和生物可利用性。该镁锰类水滑石不仅能将Co高效固定，而且对环境中抗生素，实现重金属‑有机物复合污染原位修复，具有重要的环境意义。

一种可调形貌稀土离子共掺氧化钨纳米颗粒及其合成方法

本发明属于无机纳米材料领域，具体涉及一种可调形貌稀土离子共掺氧化钨纳米颗粒及其合成方法，该稀土离子共掺氧化钨纳米颗粒的化学式为WO 3 :RE 3+ ，晶相为单斜晶型。具体合成过程为：向钨酸钠水溶液中加入稀土离子硝酸盐溶液，再滴加浓盐酸、正丁醇和EDTA‑2Na并充分搅拌，然后将混合溶液进行水热处理，溶液自然冷却后经离心、洗涤、干燥得到立方体形WO 3 :RE 3+ 纳米颗粒，再将颗粒进行高温退火得到类椭球状的WO 3 :RE 3+ 颗粒。本发明使用的混合溶剂热法合成的WO 3 :RE 3+ 纳米颗粒具有粒径均匀、尺寸较小、分散性好、纯度高等优点，有望作为光催化剂拓展传统氧化钨的光谱响应范围，有效提高催化剂的催化效率。

一种碳载H2O-WOx纳米颗粒复合结构及其制备方法

本发明提出一种能够提供额外空配位点的WO x 基异相催化剂，这种能够提供额外空的配位点的WO x 基异相催化剂为H 2 O‑WO x @C。催化烯烃环氧化反应时，配位H 2 O会从WO x 脱落并留下一个未被占据的配位点，以提高催化活性，催化反应完成后，空配位活性位点将重新恢复为H 2 O‑WO x @C，以此提高催化剂的稳定性。

一种纳米片状氧化钨/氧化石墨烯核壳结构材料及其制备方法与应用

一种纳米片状氧化钨/氧化石墨烯核壳结构材料及其制备方法与应用。将钨粉和氟化钠混合均匀得到混合粉体A；取H 2 O 2 和HNO 3 混合均匀得混合溶液B；向混合溶液B中加入氧化石墨烯水溶液得混合溶液C；将混合粉体A缓慢加入混合溶液C中得溶液E；将溶液E置于水热反应釜内进行水热反应，冷却，洗涤、收集、烘干，即得到纳米片状氧化钨/氧化石墨烯核壳结构材料。该核壳结构材料为方形单层薄片状结构，内层核为方形氧化钨纳米片，外层为氧化石墨烯，其中氧化钨单层薄片的厚度为10～30nm，长宽为100～250nm，外层氧化石墨烯的包覆厚度为5～20nm。应用于钠/锂/镁离子电池、超级电容器及光催化领域，表现出了优异的性能。

一种氧缺陷增强光吸收型氧化钨材料的制备方法

本发明的目的在于通过一步法引入一种富含氧缺陷的WO 3 纳米片材料，将其用于光催化降解催化剂时，其表现出了良好的光降解性能。本发明提出的一种富含氧缺陷的WO 3 纳米片材料，其是通过在生成纳米片结构的同时与氧缺陷引入剂‑硝酸同步反应，也就是在生成纳米片的过程中，其表面上不断的引入氧缺陷，这些氧缺陷的引入，有利于该纳米片材料增强其光吸收性能，从而有利于其光降解性能的提升。

一种可控制备纳米材料@介孔碳异质结构的方法

本发明提供一种可控制备纳米材料@介孔碳异质结构的方法，涉及一维纳米材料的制备技术领域。本发明以中空介孔纳米碳为模板，将介孔纳米碳分散于钨前驱体—偏钨酸铵（AMT）的水溶液中，利用介孔碳纳米管表面介孔的毛细管作用，将AMT吸附进中空空腔内，并通过搅拌加速吸附进程，过滤干燥,再进行还原反应。本发明采用介孔碳材料表面的介孔结构引入前驱体不破坏纳米碳的本征结构；利用其形状限制效应，确保产物形貌可控，通过调控热处理参数，可控地制备一维纳米线@介孔碳异质结构，同时根据需要制备纳米颗粒@介孔碳异质结构，整个制备过程无催化剂的参与，产品纯净无污染。

一种具有等离子共振效应凹凸棒石复合材料的制备方法及其应用

本发明属于矿物复合材料技术领域，涉及一种具有等离子共振效应凹凸棒石复合材料的制备方法及其应用。其制备方法为：(1)取纯化过的凹凸棒石粘土进行酸化处理，得到改性凹凸棒石；(2)将六氯化钨和改性凹凸棒石加入到无水乙醇中超声波混合；(3)得混合溶液置于微波水热化学反应仪中反应，然后离心，洗涤，干燥后得到氧化钨(W 18 O 49 )/凹凸棒石复合光催化材料。本发明运用微波溶剂热法合成等离子型氧化钨/改性凹凸棒石纳米复合材料，制得的催化剂能够在可见光的照射下把N 2 最大程度的转化成NH 3 ，具有优异的光催化能力。

一种刻蚀wo3纳米薄膜的方法

本发明涉及纳米结构的制造或处理技术领域，为一种刻蚀WO 3 纳米薄膜的方法。通过将WO 3 纳米薄膜表面吸附Bi 3+ ，经过450~600℃高温处理，得Bi 2 WO 6 /WO 3 纳米薄膜；将Bi 2 WO 6 /WO 3 纳米薄膜置于含硫反应液中发生水热反应，得Bi 2 S 3 /WO 3 纳米薄膜；将Bi 2 S 3 /WO 3 纳米薄膜进行酸处理，干燥，得刻蚀后表面粗糙度均匀的WO 3 纳米薄膜。由此，通过本发明方法，将纳米催化剂材料的表面刻蚀，能进一步提高光催化剂材料的表面积，从而显著提高表面催化活性位点。解决了目前缺乏简单易行的方法刻蚀WO 3 基半导体纳米材料表面的问题。与现有技术相比，本发明的方法具有简单易行、易于操作、成本低廉和刻蚀后的WO 3 纳米薄膜表面粗糙程度均匀的优点。

一种WO3-TiO2薄膜型复合光催化剂及其制备方法

本发明公开了一种WO 3 ‑TiO 2 薄膜型复合光催化剂及其制备方法，包括以下重量份的原料：钛酸丁酯、无水乙醇、硝酸、表面活性剂AEO‑9、钨酸钠、负载Au纳米粒子的TiO 2 薄膜、冰醋酸和去离子水，其制备包括如下步骤：制备A溶液、配备钨酸钠水溶液、制备混合溶胶和WO 3 ‑TiO 2 薄膜型复合光催化剂成型。本发明在制备TiO 2 薄膜的过程中掺杂Au纳米离子，一方面可以降低光生电子‑空穴对复合的几率，提高表面羟基浓度，改善TiO 2 的光催化效率，另一方面，由于Au纳米离子的光吸收范围比TiO 2 更宽，因此，TiO 2 的吸收波长范围可以扩展到可见光区域，从而可以大大增加对太阳能的转化和利用，同时覆盖有WO 3 薄膜，能进一步提高光催化剂的光催化活性。

一种二氧化锰和亚硫酸盐体系及其制备方法、应用

本发明提供一种二氧化锰和亚硫酸盐体系，包括纳米二氧化锰和亚硫酸盐，所述亚硫酸盐与纳米二氧化锰的质量比为0.25:1～10:1。本发明还提供一种二氧化锰和亚硫酸盐体系的制备方法，步骤如下：制备纳米二氧化锰；将亚硫酸盐与纳米二氧化锰按照质量比为0.25:1～10:1进行混合，即得到二氧化锰和亚硫酸盐体系。本发明提供的二氧化锰和亚硫酸盐体系能够用来去除土壤和污染水体中的有机污染物。本发明提供的二氧化锰和亚硫酸盐体系有效提高了水体中有机磷农药的水解及氧化降解速率，达到高效去除水体中有机磷农药的目的，30h内甲基对硫磷的降解速率达到97.1％。

一种烟气脱硝催化剂及其制备方法

本发明提供了一种烟气脱硝催化剂及其制备方法，包括如下步骤：步骤1，将钛源前驱体溶液和铝源前驱体溶液混合，调节pH值至7～12，沉淀；步骤2，将步骤1得到的沉淀物与碱液混合，搅拌，得到二次沉淀物；步骤3，将二次沉淀物与钨源前驱体溶液混合，干燥、焙烧，得中间体粉料；步骤4，将中间体粉料与钒源前驱体溶液、高分子分散剂、粘结剂、造孔剂混合，调节pH值至7～12，均匀混合形成浆料；步骤5，将步骤4所得浆料冲压成型，得到波纹片，在波纹片之间喷涂树脂胶后层叠组装，得到波纹板式烟气脱硝催化剂。本发明烟气脱硝催化剂的活性组分分散均匀，外比表面积大，成型率高，制作成本低，尤其适用于高空速的脱硝需要。

一种W掺杂Bi2O3纳米结构的制备方法

本发明公开了一种W掺杂Bi2O3纳米结构的制备方法，属于光催化材料制备领域。a、将石英玻璃切割为基片，依次在丙酮去离子水中采用超声波各清洗5分钟，干燥。将洗好的玻璃基片固定在可旋转的样品台上，将W靶和Bi2O3靶安装在磁控溅射仪上，使基片平面与水平面成5°‑10°夹角，Bi2O3靶法线与基片法线成80°‑85°，靶间距为6‑7cm，W靶法线与基片法线夹角50°‑55°靶间距为10‑11cm，关闭腔门。c、使用机械泵抽真空，使真空达到10pa以下，打开分子泵，使真空达到5*10(‑4)pa以下，充入氩气，将气压升到0.2Pa‑0.5Pa。d、打开转动，打开W靶直流溅射，Bi2O3交流溅射，同时溅射30分钟。e、将样品放于干燥箱中500°退火1小时，即得到具有三维纳米结构的W掺杂Bi2O3纳米结构阵列。