食品加工用触媒、食品加工装置、食品加工方法、及び食品加工用触媒を製造する方法

本開示の食品加工用触媒１は、支持体１０と、触媒膜２０とを備える。触媒膜２０は、支持体１０上に形成され、金属酸化物を含む。触媒膜２０は、第一層２１と、第二層２２とを有する。第二層２２は、第一層２１によって支持体２０から隔てられている。第一層２１における４００ｎｍから６００ｎｍの波長の光の透過率は、第二層２２における４００ｎｍから６００ｎｍの波長の光の透過率よりも高い。第二層２２は、２５ｎｍから９０ｎｍの動径波長を有する表面凹凸２２ａをなしている。

Srcc as a catalytic carrier for metal species

The present invention refers to a catalytic system comprising a transition metal compound on a solid carrier, wherein the content of the transition metal element on the surface of the solid carrier is from 0.1 to 30 wt.-%, based on the dry weight of the solid carrier. Furthermore, the present invention refers to a method for manufacturing the catalytic system, the use of the inventive catalytic system in a chemical reaction, the use of a solid carrier loaded with a transition metal as a catalyst and to granules mouldings or extrudates comprising the catalytic system.

Process for nh3 reforming

The present invention relates to a process for NH3 reforming, the process comprising (i) providing a reactor containing an NH3-reforming catalyst C1 comprising a metal M1 selected from the group consisting of groups 6 to 11 of the periodic table, including mixtures of two or more thereof; (ii) preparing a feed gas stream F1 containing NH3; (iii) feeding F1 into the reactor and contacting F1 with C1, wherein the reactor has a temperature of 100 °C or more; obtaining a product gas stream P1 comprising H2O, and an NH3-reforming catalyst C2; wherein feeding according to (ii) is started at a point in time t1; wherein at a point in time t2 the H2O(P1) : H2O(F1) molar ratio of H2O in P1 to H2O in F1 is greater than 1:1, wherein the difference between t2 and t1 is in the range of from 5 s to 10 days.

催化剂和利用使用了该催化剂的气相氧化反应的化合物的制造方法

一种催化剂，其中，所述催化剂包含钼、铋和铁，并且所述催化剂的由下式(1)表示的R1为0.45以上且5.00以下。R1＝通过拉曼光谱法测定的(886cm ‑1 ±5cm ‑1 处的峰的极大值)÷(354cm ‑1 ±5cm ‑1 处的峰的极大值)……(1)。

Siliciumdioxid-Aluminiumoxid-Pulver, Verfahren zur Herstellung von Siliciumdioxid-Aluminiumoxid-Pulver, Katalysator für Fluid Catalytic Cracking und Verfahren zu dessen Herstellung

Ein Siliziumdioxid-Aluminiumoxid-Pulver, ein Verfahren zu seiner Herstellung und ein Katalysator für Fluid Catalytic Cracking, der dieses Siliziumdioxid-Aluminiumoxid-Pulver enthält, werden bereitgestellt. Das Siliciumdioxid-Aluminiumoxid-Pulver enthält SiO2innerhalb eines vorbestimmten Bereichs, hat eine spezifische Oberfläche innerhalb eines vorbestimmten Bereichs und weist ein Porenvolumen und eine Säuremenge innerhalb vorbestimmter Bereiche auf. Ein Aluminiumoxid-Rohmaterial umfasst Böhmit, Pseudo-Böhmit und hauptsächlich amorphes Aluminiumoxidgel. Das Verfahren zur Herstellung des Siliziumdioxid-Aluminiumoxid-Pulvers umfasst: A. einen Schritt des Mischens einer wässrigen Lösung, die Aluminiumoxidhydrat enthält, und einer wässrigen Lösung, die einen Siliciumdioxid-Vorläufer enthält, um eine wässrige Lösung A herzustellen, die einen Siliciumdioxid-Aluminiumoxid-Vorläufer enthält; B. einen Schritt des Einstellens des pH-Werts der in Schritt A erhaltenen wässrigen Lösung A, so dass er innerhalb eines vorbestimmten Bereichs liegt, und dann des Wärmebehandelns der wässrigen Lösung A bei einer Temperatur innerhalb eines vorbestimmten Bereichs für eine Behandlungszeit innerhalb eines vorbestimmten Bereichs; und C. einen Schritt des Abkühlens der in Schritt B wärmebehandelten wässrigen Lösung oder der Siliciumdioxid-Aluminiumoxid-Schlämme, dann des Abtrennens und Waschens eines Feststoffs und dann des Trocknens oder weiteren Kalzinierens des Feststoffs, um ein Siliciumdioxid-Aluminiumoxid-Pulver zu erhalten. Der Katalysator für Fluid Catalytic Cracking enthält dieses Siliciumdioxid-Aluminiumoxid-Pulver.

Catalyst, and method for producing compound through gas-phase oxidation reaction using same

A catalyst containing molybdenum, bismuth, and iron, in which R1 represented by the following equation (1) is 0.45 or more and 5.00 or less, R 1 = maximum value of peak at 886 cm − 1 ± 5 cm − 1 ÷ maximum value of peak at 354 cm − 1 ± 5 cm − 1 as measured by Raman spectroscopy

Self-cleaning fabric and article

A self-cleaning fabric having a photocatalyst responsive to UV, visible and IR irradiations for inactivating harmful microorganisms via photocatalysis.

Highly selective catalyst composition for the oxidation of alkenes to epoxides

A composition of matter useful for catalyzing an alkene epoxidation reaction using molecular oxygen (O2) as an oxidant, including a plurality of structures comprising nanostructures or microstructures each comprising a coinage metal; and a plurality of single oxophilic metal atoms. The oxophilic metal is characterized by an oxide formation enthalpy being more exothermic than that of the coinage metal. In one or more examples, the oxophilic atom comprises nickel and the coinage metal comprises silver, and a concentration of the nickel increases selectivity to greater than 85% for the epoxidation reaction CH2═CH2+½O2→(CH2)2O over combustion of ethylene forming carbon dioxide, and for an ethylene conversion of greater than 5%.

Optimization of Photocatalytic Hydrogen Generation Using Aqueous Bio-Alcohols and Plasmonic Metals Deposited on Semiconductor Composite Nanofibers

The present invention combines the advantages of fabrication of semiconductor heterostructure (Ag3PO4—WO3) with plasmonic metals (Pt and Ag) with optical interference to optimize the visible light photo response of plasmonic metals deposited semiconductor (Pt—Ag/Ag3PO4—WO3) for visible light assisted H2 generation utilizing the aqueous bio-alcohols. Crystalline Ag3PO4 and WO3 nanofibers were synthesized by microwave and electrospinning methods. Three different WO3 nanofibers composition (5, 10 and 15 wt. %) were used to obtain Ag3PO4/WO3 nanocomposite heterostructures, which are effective visible light active photo catalysts. Further, a simple, enviro-friendly, and cost-effective biogenic synthesis method have been achieved using Salvia officinalis extract to decorate Pt and Ag metal nanoparticles on the surface of Ag3PO4—WO3 composites. Presence of bioactive agents in the extract are responsible for the Pt and Ag3PO4 reduction and for prevention of the Pt nanoparticles from aggregation in aqueous medium.

Optimization of photocatalytic hydrogen generation using aqueous bio-alcohols and plasmonic metals deposited on semiconductor composite nanofibers

The present invention combines the advantages of fabrication of semiconductor heterostructure (Ag3PO4—WO3) with plasmonic metals (Pt and Ag) with optical interference to optimize the visible light photo response of plasmonic metals deposited semiconductor (Pt—Ag/Ag3PO4—WO3) for visible light assisted H2 generation utilizing the aqueous bio-alcohols. Crystalline Ag3PO4 and WO3 nanofibers were synthesized by microwave and electrospinning methods. Three different WO3 nanofibers composition (5, 10 and 15 wt. %) were used to obtain Ag3PO4/WO3 nanocomposite heterostructures, which are effective visible light active photo catalysts. Further, a simple, enviro-friendly, and cost-effective biogenic synthesis method have been achieved using Salvia officinalis extract to decorate Pt and Ag metal nanoparticles on the surface of Ag3PO4—WO3 composites. Presence of bioactive agents in the extract are responsible for the Pt and Ag3PO4 reduction and for prevention of the Pt nanoparticles from aggregation in aqueous medium.

촉매 및, 그것을 이용한 기상 산화 반응에 의한 화합물의 제조 방법

몰리브덴, 비스무트 및 철을 포함하고, 이하 식 (1)로 표현되는 R1이, 0.45 이상 5.00 이하인 촉매. R1＝라만 분광법에 의해 측정된, (886㎝ －1 ±5㎝ －1 에 있어서의 피크의 극대값)÷(354㎝ －1 ±5㎝ －1 에 있어서의 피크의 극대값) ···(1)

Self-cleaning fabric and article

A self-cleaning fabric having a photocatalyst responsive to UV, visible and IR irradiations for inactivating harmful microorganisms via photocatalysis.

유무기 복합 촉매, 이를 포함하는 공기정화장치, 및 이의 재생 방법

다공성 탄소계 입자; 및 상기 다공성 탄소계 입자 상에 담지된 제1 화합물 및 금속산화물 입자를 포함하며, 상기 제1 화합물이 극성 작용기 또는 음이온을 함유하며, 상기 금속산화물이 화학식 M a O b (0<a≤4, 0<b≤5, M은 원소주기율표 제2족 내지 제16족 중에서 선택된 하나 이상의 금속)로 표시되며, 제2 화합물을 포함하는 정화되지 않은 공기 흐름으로부터 상기 제2 화합물을 제거하도록 구성되는(configured), 유무기 복합 촉매(organic-inorganic composite catalyst), 이를 포함하는 공기정화장치 및 이의 재생방법이 제공된다.

Catalyst system for preparing terephthalic acid

A catalyst system for preparing terephthalic acid including a first complexation of a manganese salt and a first multidentate ligand; and a second complexation of a cobalt salt and a second multidentate ligand, wherein the first multidentate ligand is a tridentate ligand, tetradentate ligand, pentadentate ligand, or hexadentate ligand, and wherein the second multidentate ligand is a tridentate ligand, tetradentate ligand, pentadentate ligand, or hexadentate ligand.

Catalyst for food processing use, food processing apparatus, food processing method, and method for producing catalyst for food processing use

A catalyst 1 for food processing of the present disclosure includes a support 10 and a catalyst film 20 . The catalyst film 20 is formed on the support 10 and contains a metal oxide. The catalyst film 20 has a first layer 21 and a second layer 22 . The second layer 22 is separated from the support 10 by the first layer 21 . A transmittance of the first layer 21 for light having a wavelength of 400 nm to 600 nm is higher than a transmittance of the second layer 22 for light having a wavelength of 400 nm to 600 nm. The second layer 22 has surface irregularities 22 a having a radial wavelength of 25 nm to 90 nm.

Catalyst for food processing use, food processing apparatus, food processing method, and method for producing catalyst for food processing use

A catalyst 1 for food processing of the present disclosure includes a support 10 and a catalyst film 20. The catalyst film 20 is formed on the support 10 and contains a metal oxide. The catalyst film 20 has a first layer 21 and a second layer 22. The second layer 22 is separated from the support 20 by the first layer 21. A transmittance of the first layer 21 for light having a wavelength of 400 nm to 600 nm is higher than a transmittance of the second layer 22 for light having a wavelength of 400 nm to 600 nm. The second layer 22 has surface irregularities 22a having a radial wavelength of 25 nm to 90 nm.

Catalyst for food processing use, food processing apparatus, food processing method, and method for producing catalyst for food processing use

A catalyst 1 for food processing of the present disclosure includes a support 10 and a catalyst film 20. The catalyst film 20 is formed on the support 10 and contains a metal oxide. The catalyst film 20 has a first layer 21 and a second layer 22. The second layer 22 is separated from the support 20 by the first layer 21. A transmittance of the first layer 21 for light having a wavelength of 400 nm to 600 nm is higher than a transmittance of the second layer 22 for light having a wavelength of 400 nm to 600 nm. The second layer 22 has surface irregularities 22a having a radial wavelength of 25 nm to 90 nm.

食品加工用光触媒、食品加工装置、食品加工方法、及び食品加工用光触媒を製造する方法

Copper-based catalyst for reverse water gas shift reaction including gas-permeable amorphous shell formed by strong metal-support interaction

The present disclosure relates to a copper-based catalyst for reverse water gas reaction including a gas-permeable amorphous shell formed by strong metal-support interaction. The inventors of the present disclosure synthesized a copper-ceria solid solution and then adjusted the surface defect sites of the solid solution, thereby producing a catalyst including enhanced surface defect sites and having a gas-permeable amorphous shell structure formed on each copper particle. When the catalyst production method according to the present disclosure is used, it is possible to synthesize a catalyst including a structure consisting only of very small Cu particles encapsulated by surface shells and Cu sites incorporated into the CeO2 lattice structure. When the synthesized catalyst is used in the RWGS reaction, it exhibits excellent low-temperature activity, high activity and durability, compared to conventional precious metal catalysts. In addition, even when the catalyst of the present disclosure is supported on a monolith and used to perform the RWGS reaction on a bench scale, it exhibits high activity, CO2 conversion and durability, which are comparable with those in the laboratory scale, indicating that it may be applied to an actual process.

Silica-alumina powder, method for producing silica-alumina powder, fluid catalytic cracking catalyst and method for producing same

A silica-alumina powder, a method for producing the same, and a fluid catalytic cracking catalyst including this silica-alumina powder are provided. The silica-alumina powder contains SiO 2 within a predetermined range, has a specific surface area within a predetermined range, and has a pore volume and an acid amount within predetermined ranges. An alumina raw material includes one of boehmite, pseudo-boehmite, and mainly amorphous alumina gel. The method for producing the silica-alumina powder includes a step of mixing an aqueous solution including alumina hydrate and an aqueous solution containing a silica precursor to prepare an aqueous solution including a silica-alumina precursor; a step of adjusting the pH of the aqueous solution to be within a predetermined range, and then heat-treating the aqueous solution; and a step of cooling the aqueous solution or silica-alumina slurry, then separating and washing a solid, and then drying or further calcining the solid.

Incorporation of boron in hydroprocessing catalysts, catalysts obtained and use thereof

A method of producing a support, and supported catalyst, the method comprising: (a) combining a porous inorganic oxide catalyst carrier or carrier extrudate with an aqueous solution, dispersion or suspension comprising: (i) a boron-containing source; and (ii) an organic compound or organic chelating agent selected from organic compounds comprising at least two oxygen atoms and 2-10 carbon atoms; (b) calcining the composition (a) to reduce its Loss on Ignition (LOI) volatiles content to greater than 0 wt% to less than about 5 wt%; (c) impregnating the calcined composition an aqueous composition comprising at least one each of a Group VIB and Group VIIIB metal-containing source; and (d) calcining, to reduce its LOI volatiles content greater than 0 wt% to less than about 30 wt%; wherein the boron content of a supported catalyst is in the range of about 1 wt% to about 13 wt B2O3 based on the total weight of the catalyst.

Propylene ammoxidation catalyst, preparation method therefor, and propylene ammoxidation method using same

Catalyst system for preparing terephthalic acid

A catalyst system for preparing terephthalic acid including a first complexation of a manganese salt and a first multidentate ligand; and a second complexation of a cobalt salt and a second multidentate ligand, wherein the first multidentate ligand is a tridentate ligand, tetradentate ligand, pentadentate ligand, or hexadentate ligand, and wherein the second multidentate ligand is a tridentate ligand, tetradentate ligand, pentadentate ligand, or hexadentate ligand.

Hydrogenation catalyst and preparation method therefor and use thereof

Catalyst for food processing use, food processing apparatus, food processing method, and method for producing catalyst for food processing use

Organic-inorganic composite catalyst, air purification device including the organic-inorganic composite catalyst, and method of regenerating the organic-inorganic composite catalyst

An organic-inorganic composite catalyst wherein the organic-inorganic composite catalyst includes a porous carbonaceous particle, a first compound; and a metal oxide particle, wherein the first compound and the metal oxide particle are supported on the porous carbonaceous particle, the first compound contains a polar functional group, an anion, or a combination thereof, the metal oxide is represented by the formula MaOb, wherein 0<a≤4, 0<b≤5, and M is a metal of Groups 2 to 16 of the Periodic Table of Elements, or a combination thereof, and the organic-inorganic composite catalyst is configured to remove a second compound from an unpurified air flow including the second compound.

Process for preparing fluid catalytic cracking catalysts, fluid catalytic cracking catalysts and uses thereof

The present invention relates to a process for preparing fluid catalytic cracking (FCC) catalysts having porosity and accessibility controlled by the activity of water-soluble porogens. The catalyst produced can be used as an additive for fluid cracking, as additives for SOx and NOx reduction, as a combustion promoter and reduction of sulfur in cracked naphtha. It can also be used in hydrocracking, as a support for hydrotreating catalysts, catalytic pyrolysis of post-consumer polymers (rubber tires, plastic films, and so on) and pyrolysis of biomass.

觸媒組成物、觸媒及其製備方法及氫氣的製造方法

一種觸媒組成物，用於製備甲醇熱化學產生氫氣的觸媒。觸媒組成物包含一載體成分以及一活性成分。載體成分包含一水泥及一黏土，其中水泥與黏土的重量比為3/7至9/1。活性成分包含氧化銅或氧化銅前驅物。基於載體成分為100重量份，活性成分的含量為5重量份至10重量份。

Propylene ammoxidation catalyst, preparation method therefor, and propylene ammoxidation method using same

The present disclosure relates to an ammoxidation catalyst for propylene, a manufacturing method of the same, and an ammoxidation method of propylene using the same. Specifically, in one embodiment of the present disclosure, there is provided a catalyst having a structure in which a metal oxide is supported on a silica support, a narrow particle size distribution, and excellent wear resistance.

Photocatalytic co2 conversion via hydrogenation with co-catalyst-decorated nanostructures

A catalytic device includes a substrate and an array of conductive projections supported by the substrate and extending outward from the substrate. Each conductive projection of the array of conductive projections is decorated with a co-catalyst arrangement, the co-catalyst arrangement being configured to convert carbon dioxide (CO 2 ) via hydrogenation in aqueous solution.

Amorphous cobalt-inherent silicon oxide catalyst

Claimed herein is a method of applying amorphous Co—SiOx to activate PMS and produce SO4·− due to the formation of Co(II)-Ov, pairs via the substitution of Si by Co. The inherent Co significantly change the electronic structure of O and Si atoms in the Co—SiOx via final state effects and increase the conductivity in terms of more effective electron transfers. The claimed method using Co—SiOx functions as a more effective oxidative catalyst for the faster degradation of pollutants. The simplicity of the synthetic procedures indicates that the conductive Co—SiOx could be used for the activation of PMS and other electrochemical applications on a wider scale.

Amorphous cobalt-inherent silicon oxide catalyst

Claimed herein is a method of applying amorphous Co—SiOx to activate PMS and produce SO4.− due to the formation of Co(II)-Ov, pairs via the substitution of Si by Co. The inherent Co significantly change the electronic structure of O and Si atoms in the Co—SiOx via final state effects and increase the conductivity in terms of more effective electron transfers. The claimed method using Co—SiOx functions as a more effective oxidative catalyst for the faster degradation of pollutants. The simplicity of the synthetic procedures indicates that the conductive Co—SiOx could be used for the activation of PMS and other electrochemical applications on a wider scale.

Exhaust gas purification catalyst

The present disclosure provides an exhaust gas purification catalyst with increased catalytic activity. The exhaust gas purification catalyst comprises a metal oxide support and Rh particles supported on the metal oxide support, wherein the metal oxide support is doped with a cation having a higher oxidation number than the cation of the metal oxide support. The metal oxide support may be a SrTiO 3 support doped with greater than 0 mol % and 8 mol % or lower Nb, a ZrO 2 support doped with 5 mol % to 20 mol % Nb, or an Al 2 O 3 support doped with greater than 0 mol % and 7 mol % or lower Ti.

Highly selective alkylation process with low zeolite catalyst composition

A method for alkylation of a feedstock is described. The method includes contacting the feedstock comprising at least one alkylatable aromatic compound and an alkylating agent with a first alkylating catalyst composition under alkylating conditions, the first alkylating catalyst composition comprising UZM-8 zeolite and a binder, the first alkylating catalyst composition having 20-30 wt% UZM-8 zeolite and the catalyst having a nitrogen to zeolite aluminum molar ratio of between 0.01 to 0.040; wherein a total alkylated selectivity at a temperature and a molar ratio of alkylatable aromatic compound to alkylating agent is greater than 99.0%.

Catalyst Compositions Including Metal Chalcogenides, Processes for Forming the Catalyst Compositions, and Uses Thereof

Aspects of the present disclosure generally relate to catalyst compositions including metal chalcogenides, processes for producing such catalyst compositions, processes for enhancing catalytic active sites in such catalyst compositions, and uses of such catalyst compositions in, e.g., processes for producing conversion products. In an aspect, a process for forming a catalyst composition is provided. The process includes introducing an electrolyte material and an amphiphile material to a metal chalcogenide to form the catalyst composition. In another aspect, a catalyst composition is provided. The catalyst composition includes a metal chalcogenide, an electrolyte material, and an amphiphile material. Devices for hydrogen evolution reaction are also provided.

Catalyst Compositions Including Metal Chalcogenides, Processes for Forming the Catalyst Compositions, and Uses Thereof

Aspects of the present disclosure generally relate to catalyst compositions including metal chalcogenides, processes for producing such catalyst compositions, processes for enhancing catalytic active sites in such catalyst compositions, and uses of such catalyst compositions in, e.g., processes for producing conversion products. In an aspect, a process for forming a catalyst composition is provided. The process includes introducing an electrolyte material and an amphiphile material to a metal chalcogenide to form the catalyst composition. In another aspect, a catalyst composition is provided. The catalyst composition includes a metal chalcogenide, an electrolyte material, and an amphiphile material. Devices for hydrogen evolution reaction are also provided.

Catalyst composition, and method of preparation of the same, for hydro-conversion of lco involving partial ring opening of poly-aromatics

Method of making heteropoly acid compound catalysts

The invention is for a method for making a heteropoly acid compound catalyst from compounds containing molybdenum, vanadium, phosphorus, cesium, copper, bismuth, antimony and boron in which molybdenum, vanadium, phosphorus, cesium, copper, bismuth and boron are at their highest oxidation states and antimony has a 3+ oxidation state. The catalyst contains oxides of molybdenum, vanadium, phosphorus, cesium, copper, bismuth, antimony, boron and, optionally, other metals. The catalyst has the formula: Mo 12 V a P b Cs c Cu d Bi e Sb f B g O x where Mo is molybdenum, V is vanadium, P is phosphorus, Cs is cesium, Cu is copper, Bi is bismuth, Sb is antimony, B is boron, O is oxygen, a is 0,01 to 5.0, b is 0.5 to 3.5, c is 0.01 to 2.0, d is 0.0-1.5, e is 0.0-2.0, f is 0.01-3.0, g is 0.0-4.0 and x satisfies the valences. Molybdenum is reduced by antimony and reoxidized during catalyst synthesis.

헤테로폴리산 화합물 촉매의 제조방법

본 발명은 몰리브데넘, 바나듐, 인, 세슘, 구리, 비스무스, 안티모니 및 보론을 함유하는 화합물로부터의 헤테로폴리산 화합물 촉매의 제조방법에 관한 것으로, 상기 몰리브데넘, 바나듐, 인, 세슘, 구리, 비스무스 및 보론은 최고 산화상태이고 안티모니는 3+ 산화상태를 갖는다. 상기 촉매는 몰리브데넘, 바나듐, 인, 세슘, 구리, 비스무스, 안티모니, 보론 및 선택적으로 기타 금속의 산화물을 함유한다. 상기 촉매는 하기 식을 갖는다: Mo 12 V a P b Cs c Cu d Bi e Sb f B g O x 상기 식에서 Mo는 몰리브데넘, V는 바나듐, P는 인, Cs는 세슘, Cu는 구리, Bi는 비스무스, Sb는 안티모니, B는 보론, O는 산소, a는 0.01 내지 5.0, b는 0.5 내지 3.5, c는 0.01 내지 2.0, d는 0.0 내지 1.5, e는 0.0 내지 2.0, f는 0.01 내지 3.0, g는 0.0 내지 4.0이고, x는 밸런스를 충족한다. 몰리브데넘은 안티모니에 의해 환원되고, 촉매 합성 동안 재산화된다.

Method of making heteropoly acid compound catalysts

Co-deflagration synthesis of metallic, ceramic, and mixed ceramic-metallic particles

A co-deflagration process for the preparation of metallic, ceramic, or mixed ceramic-metallic particles optionally impregnated within or attached to a metallic, ceramic, or mixed ceramic-metallic support material includes mixing at least two components. Each of the components can be any of a nitrogen-rich ligand or a salt thereof, a complex or coordination polymer of the nitrogen-rich ligand or salt thereof with one of the at least one metal, and a cluster of the at least one metal, and optionally an organic or inorganic oxidant, gas generator, pyrotechnic, propellant, and/or explosive.

Method for making magnetic nanoparticle supported catalysts

A method for making a magnetic-nanoparticle-supported catalyst includes reacting a ferrocenyl phosphine compound with an amino alcohol compound to form a ligand having a phosphine group, an amine group and at least one hydroxyl group; anchoring the ligand to a surface of magnetic nanoparticles via an oxygen atom of the hydroxyl group to form a ligand complex; combining the ligand complex with a metal precursor comprising Rh to bind the metal precursor with the ligand complex and form the magnetic-particle-supported catalyst. The magnetic-particle-supported catalyst is a Rh complex of magnetic-Fe3O4-nanoparticle-supported ferrocenyl phosphine catalyst.

Métodos novedosos y herramientas relacionadas para la conversión de cbd en thc

La presente invención se refiere a métodos de producción de THC a partir de CBD utilizando metodología no agresiva y que resulta en rendimientos sustancialmente elevados, así como dispositivos construidos según estos métodos novedosos. Los métodos y los dispositivos son eficientes en materiales, y en ciertas realizaciones, sin disolventes. En particular, en ciertas realizaciones, estos métodos y dispositivos relacionados son adecuados para la producción comercial de THC a partir de CBD. Además, en ciertas realizaciones, la presente invención proporciona métodos de producción de THC a partir de CBD de manera que permita la sintonización para seleccionar la relación entre THC-8 y THC-9.

유기오염물질 분해를 위한 하드 템플릿 방법을 이용한 흑연질화탄소의 제조 방법

본 출원은 촉매의 활성 부위, 광 흡수 효율 및 전하 분리 능력을 동시에 향상시키기 위해 질소 결함이 있는 나노구조의 다공성 흑연질화탄소의 제조 방법에 관한 것이다.

이산화티타늄 복합체 및 이의 제조 방법

본원은 아나타제상 및 루타일상을 포함하며, 상기 아나타제상 및 상기 루타일상 중 어느 하나가 선택적으로 환원된 것인 환원된 이산화티타늄; 및 상기 환원된 이산화티타늄과 결합한 금속 산화물을 포함하는 이산화티타늄 복합체에 관한 것이다.

이산화티타늄 복합체 및 이의 제조 방법

본원은 아나타제상 및 루타일상을 포함하며, 상기 아나타제상 및 상기 루타일상 중 어느 하나가 선택적으로 환원된 것인 환원된 이산화티타늄; 및 상기 환원된 이산화티타늄과 결합한 금속 산화물을 포함하는 이산화티타늄 복합체에 관한 것이다.

이산화티타늄 복합체 및 이의 제조 방법

본원은 아나타제상 및 루타일상을 포함하며, 상기 아나타제상 및 상기 루타일상 중 어느 하나가 선택적으로 환원된 것인 환원된 이산화티타늄; 및 상기 환원된 이산화티타늄과 결합한 금속 산화물을 포함하는 이산화티타늄 복합체에 관한 것이다.

A material comprising geminal metal atom pairs supported on a carrier and related methods thereto

There is provided a material comprising a plurality of geminal metal atom pairs supported on a polymeric carrier, and a method of preparing said material. In a particular embodiment, the material comprises a plurality of copper atom pairs supported on a polymeric carbon nitride (PCN) carrier. There is also provided a catalyst comprising said material, and a method of catalyzing coupling reactions.

Method for preparing a catalyst for reducing NOx

A method of preparing a catalyst for reducing nitrogen oxides in air comprises combining a support material in water with a stabilising polymer to form an aqueous solution, adding a first metallic compound to the aqueous solution, stirring the solution, adding a reducing agent to form metallic nanoparticles, adding an acid to the solution, stirring the solution and subsequently filtering and drying to form supported metallic nanoparticles. The first metallic compound may comprise platinum or palladium. A second metallic compound may be added at the same time as the first metallic compound. Preferably the first metallic compound comprises palladium and the second metallic compound comprises copper, cobalt or nickel, most preferably copper.

排ガス浄化装置

Ａｇ、Ｐｔ、Ｒｈ、Ｐｄ、Ｒｕ、Ｉｒ、Ｏｓ、Ａｕ及びＣｕからなる群から選択される少なくとも一種である第一の金属からなる触媒金属担体上に、価数変動可能な第二の金属の酸化物からなる平均一次粒径が１〜４００ｎｍの金属酸化物微粒子が配置されてなる酸化触媒を備えており、前記金属酸化物微粒子上で排ガス中の粒子状物質を酸化することを特徴とする排ガス浄化装置。

Novel nickel foam having hierarchical pore structure, method of producing the same, and application thereof

Provided are a novel nickel foam having a hierarchical pore structure, a method of producing the same, and an application thereof. Unlike a conventional nickel foam, the nickel foam has a well-developed hierarchical pore structure including pores having a size of 4 μm or less in addition to inherent macropores having a size of 100 μm to 900 μm, and thus, may have a significantly large specific surface area. Accordingly, the nickel foam may be variously applied to an electrochemical reaction such as a water electrolysis system and an exhaust gas purification filter.

유기 광촉매 및 이의 제조방법

본 기술은 유기 광촉매(organic photocatalysts; OPC) 및 이의 제조방법에 관한 것으로, 더욱 상세하게는 가시광에 의해 반응이 일어나는 유기촉매 원자 이동 라디칼 중합(organocatalyzed atom transfer radical polymerization; O-ATRP), 유기촉매 라프트 중합(organocatalyzed reversible addition-fragmentation chain transfer; O-RAFT) 또는 유기촉매 디할로겐화 반응에 적용될 수 있는 유기 광촉매 및 이의 제조방법에 관한 것이다. 상기 촉매는 종래의 유기 혹은 유기금속 촉매보다 훨씬 더 작은 양만 사용하여 높은 수율로 고분자 중합 및 유기반응을 진행할 수 있으며, 촉매 적재량이 극히 작아 부가적인 정제공정 없이도 중합된 고분자 및 유기물을 바로 사용할 수 있도록 하는바, 위의 언급된 반응에 효과적으로 이용될 수 있을 것으로 기대된다.

Chemical homogeneity and catalytic performance of mixed-metal oxide catalysts

A method for preparing a mixed-metal oxide catalyst comprising molybdenum, vanadium, at least one of niobium or tantalum, and at least one of tellurium or antimony and useful for the oxidative dehydrogenation of ethane to ethylene, the method comprising preparing a catalyst precursor, pressing the precursor into a dense pellet using a pressure of greater than about 5,000 psi, and annealing the pellet to form the mixed-metal oxide catalyst.

Method for stereospecific cycloaddition reaction

Metal-organic frameworks (MOFs) may have Zn(II), Pb(II), and/or Cd(II) as a central metal ion, a 4,4′-bipyridylethylene (bpe) ligand as a first ligand; and fumaric acid (fum) and/or oxalic acid (ox) as a second ligand, wherein the 4,4′-bipyridylethylene ligands are stacked in the MOF, and wherein a distance between two consecutive 4,4′-bipyridylethylene ligands is less than 5 Å. Cycloadditions, particularly photoinduced [2+2] cycloadditions may be catalyzed by such MOFs, and/or the conversion of photoinduced [2+2] cycloadditions in inventive MOFs may be increased by mechanical force, such as by grinding.

Manganese oxides and their use in the oxidation of alkanes

Catalytic structures are provided comprising octahedral tunnel lattice manganese oxides ion-exchanged with metal cations or mixtures thereof. The structures are useful as catalysts for the oxidation of alkanes and may be prepared by treating layered manganese oxide under highly acidic conditions, optionally drying the treated product, and subjecting it to ion exchange.

열화학 연료 제조용 촉매 및 열화학 연료 제조 방법

열화학적으로 연료를 제조 가능하게 하는 페로브스카이트 산화물로 이루어지는 열화학 연료 제조용 촉매 및 열화학 연료 제조 방법이 제공된다. 그와 같은 열화학 연료 제조용 촉매는 제 1 온도와 상기 제 1 온도 이하인 제 2 온도의 2단계의 열화학 사이클을 갖고 열 에너지로부터 연료를 제조하는데에 사용하는 열화학 연료 제조용 촉매로서, 조성식 AXO 3 ±δ (단, 0≤δ<1)를 갖는 페로브스카이트 산화물로 이루어지는 것을 특징으로 하는 열화학 연료 제조용 촉매; 여기에서 A는 희토류 원소, 알칼리 토류 금속 원소, 또는 알칼리 금속 원소 중 어느 하나 이상이고, X는 전이 금속 원소 또는 메탈로이드 원소 중 어느 하나 이상이고, O는 산소이다.

محفز المسحوق الأسود لإنتاج الهيدروجين عن طريق إعادة التشكيل الجاف

يتعلق الاختراع الحالي بمحفز لإعادة التشكيل الجاف dry reforming catalyst يتضمن المسحوق الأسود المعالج treated black powder (بشكل أساسي الهيماتيت hematite)، وطريقة لمعالجة المسحوق الأسود treating black powder (على سبيل المثال، من خط أنابيب للغاز الطبيعي natural gas pipeline) لإعطاء المسحوق الأسود المعالج treated black powder. تحتوي وحدة إعادة تشكيل جاف dry reformer على المسحوق الأسود المعالج treated black powder كمحفز إعادة تشكيل reforming catalyst ، وطريقة لإنتاج غاز التخليق producing syngas باستخدام وحدة إعادة التشكيل الجاف dry reformer. شكل 1.

محفز المسحوق الأسود لإنتاج الهيدروجين عن طريق إعادة التشكيل بالبخار

يتعلق الاختراع الحالي بمحفز لإعادة التشكيل بالبخار steam reforming catalyst يتضمن المسحوق الأسود المعالج treated black powder بشكل أساسي الهيماتيت hematite ، وطريقة لمعالجة المسحوق الأسود على سبيل المثال، من خط أنابيب للغاز الطبيعي natural gas pipeline لإعطاء المسحوق الأسود المعالج. وحدة إعادة تشكيل بالبخار تحتوي على المسحوق الأسود المعالج كمحفز إعادة تشكيل، وطريقة لإنتاج غاز التخليق syngas باستخدام وحدة إعادة التشكيل بالبخار steam reformer. شكل 1.

다공성 산화니켈-지르코니아 복합 촉매, 이의 제조방법 및 이를 이용한 알코올의 제조방법

본 발명은 다공성 산화니켈-지르코니아 복합 촉매, 이의 제조방법 및 이를 이용한 알코올 제조방법에 관한 것으로서, 상기 다공성 구조의 산화니켈-지르코니아 복합 촉매는 전기 화학반응을 통해 상온 및 상압 조건에서도 우수한 메탄 개질 반응을 수행하여 저비용으로 알코올을 제조할 수 있다.

Alkylenoxidkatalysatoren mit einem hohen silbergehalt

Catalyst compositions including metal chalcogenides, processes for forming the catalyst compositions, and uses thereof

Aspects of the present disclosure generally relate to catalyst compositions including metal chalcogenides, processes for producing such catalyst compositions, processes for enhancing catalytic active sites in such catalyst compositions, and uses of such catalyst compositions in, e.g., processes for producing conversion products. In an aspect, a process for forming a catalyst composition is provided. The process includes introducing an electrolyte material and an amphiphile material to a metal chalcogenide to form the catalyst composition. In another aspect, a catalyst composition is provided. The catalyst composition includes a metal chalcogenide, an electrolyte material, and an amphiphile material. Devices for hydrogen evolution reaction are also provided.

Catalytic compositions for the oxidation of substrates

Catalytic compositions and sequential catalytic methods are generally described. In some embodiments, a composition comprises a first catalyst comprising a Cu-modified zeolite, and a second catalyst capable of a coupling reaction between (a) an intermediate resulting from a reaction of a reactant at the first catalyst, and (b) a co-reagent, wherein a rate of diffusion of the co-reagent within one or more cages and/or pores of the first catalyst is lower than a rate of diffusion of the intermediate within the one or more cages and/or pores of the first catalyst.

프로필렌의 암모산화용 촉매, 이의 제조 방법, 이를 이용한 프로필렌의 암모산화 방법

본 발명은 프로필렌의 암모산화용 촉매, 이의 제조 방법, 이를 이용한 프로필렌의 암모산화 방법에 관한 것이다. 구체적으로, 본 발명의 일 구현예에서는, 금속 산화물이 실리카 담체에 담지된 구조이며, 입도 분포가 좁고, 내마모성이 우수한 촉매를 제공한다.

Preparation process for Cu-based catalyst and use thereof

The present invention relates to a preparation process for a Cu-based catalyst and use of the Cu-based catalyst as the dehydrogenation catalyst in producing a hydroxyketone compound such as acetoin. Said Cu-based catalyst shows a high the acetoin selectivity as the dehydrogenation catalyst for producing acetoin.

Co-deflagration synthesis of metallic, ceramic, and mixed ceramic-metallic particles

The present invention provides a co-deflagration process for the preparation of metallic, ceramic, or mixed ceramic -metallic particles optionally impregnated within or attached to a metallic, ceramic, or mixed ceramic-metallic support material.

Co-deflagration synthesis of metallic, ceramic, and mixed ceramic-metallic particles

The present invention provides a co-deflagration process for the preparation of metallic, ceramic, or mixed ceramic -metallic particles optionally impregnated within or attached to a metallic, ceramic, or mixed ceramic-metallic support material.

محفز المسحوق الأسود لإنتاج الهيدروجين عن طريق إعادة التشكيل ذاتي الحرارة

يتعلق الاختراع الحالي بمحفز لإعادة التشكيل ذاتي الحرارة autothermal reforming hydrocarbon يتضمن المسحوق الأسود black powder المعالج بشكل أساسي الهيماتيت hematite ، وطريقة لمعالجة المسحوق الأسود black powder على سبيل المثال، من خط أنابيب للغاز الطبيعي natural-gas pipeline لإعطاء المسحوق الأسود black powder المعالج. وحدة إعادة تشكيل بالبخار تحتوي على المسحوق الأسود black powder المعالج كمحفز إعادة تشكيل reforming catalyst ، وطريقة لإنتاج غاز التخليق باستخدام وحدة إعادة التشكيل ذاتي الحرارة autothermal reforming hydrocarbon. شكل 1.

Magnetic-nanoparticle-supported catalyst and method of making

A method for making a magnetic-nanoparticle-supported catalyst includes reacting a ferrocenyl phosphine compound with an amino alcohol compound to form a ligand having a phosphine group, an amine group and at least one hydroxyl group; anchoring the ligand to a surface of magnetic nanoparticles via an oxygen atom of the hydroxyl group to form a ligand complex; combining the ligand complex with a metal precursor comprising Rh to bind the metal precursor with the ligand complex and form the magnetic-particle-supported catalyst. The magnetic-particle-supported catalyst is a Rh complex of magnetic-Fe 3 O 4 -nanoparticle-supported ferrocenyl phosphine catalyst.

Sonication method for making magnetic supported catalysts

A method for making a magnetic-nanoparticle-supported catalyst includes reacting a ferrocenyl phosphine compound with an amino alcohol compound to form a ligand having a phosphine group, an amine group and at least one hydroxyl group; anchoring the ligand to a surface of magnetic nanoparticles via an oxygen atom of the hydroxyl group to form a ligand complex; combining the ligand complex with a metal precursor comprising Rh to bind the metal precursor with the ligand complex and form the magnetic-particle-supported catalyst. The magnetic-particle-supported catalyst is a Rh complex of magnetic-Fe 3 O 4 -nanoparticle-supported ferrocenyl phosphine catalyst.

Method for making magnetic nanoparticle supported catalysts

A method for making a magnetic-nanoparticle-supported catalyst includes reacting a ferrocenyl phosphine compound with an amino alcohol compound to form a ligand having a phosphine group, an amine group and at least one hydroxyl group; anchoring the ligand to a surface of magnetic nanoparticles via an oxygen atom of the hydroxyl group to form a ligand complex; combining the ligand complex with a metal precursor comprising Rh to bind the metal precursor with the ligand complex and form the magnetic-particle-supported catalyst. The magnetic-particle-supported catalyst is a Rh complex of magnetic-Fe 3 O 4 -nanoparticle-supported ferrocenyl phosphine catalyst.

Formed ceramic substrate composition for catalyst integration

[UNK]

Homogeneous catalytic fiber coatings and methods of preparing same

Methods of providing a homogeneous or uniform catalytic coating on an inorganic fiber substrate include using a vacuum to coat the substrate, improved coating solutions or mixtures and/or drying methods to prevent migration of metal catalyst precursors to the exterior surfaces and edges of the inorganic fiber substrate. The methods may include adding a component to the first coating solution or mixture before coating the inorganic fiber substrate; applying a second coating solution or mixture to the coated inorganic fiber substrate; drying the coated inorganic fiber substrate at ambient conditions, under controlled conditions, or with microwave radiation; or optimizing an amount of a salt, water, or an organic solvent in the coating solution.

Ternary prussian blue analogue and method of preparing the same

Provided are a catalyst and a method of preparing the same, and the catalyst comprises a ternary Prussian blue analogue and the structure of the ternary Prussian blue analogue is as defined herein. The present disclosure prepares the ternary Prussian blue analogue catalyst by a simple and low-energy-consuming co-precipitation method, and the ternary Prussian blue analogue exhibit excellent electrocatalytic property through the synergistic effect of multiple elements.

Dielectric composition, capacitive element, visible-light photocatalytic material, and visible-light photoelectric conversion element

A dielectric composition comprises a crystal of an oxynitride. A peak attributed to absence of a center of symmetry of the crystal of the oxynitride is detected by Raman spectroscopy of the dielectric composition within a Raman shift range of 500 cm −1 or less.

Clusterbeladene Träger

Antimonate electrocatalyst for an electrochemical reaction

Disclosed are stable, active non-precious metal oxide catalysts, such as transition metal antimonates (TMAs), for electrochemical reactions in harsh media conditions, such as the chlorine evolution reaction (CER). A disclosed electrocatalyst includes a metal oxide film containing a crystalline transition metal antimonite (TMA). The crystalline TMA may include NiSb2Ox, CoSb2Ox, or MnSb2Ox. The metal oxide film may be formed on a conductive substrate, for example, a substrate including an antimony-doped tin oxide (ATO) film, using an annealing process.

Hydrogenation catalyst and preparation method therefor and use thereof

Disclosed is a hydrogenation catalyst, its preparation and application thereof, which catalyst comprises a carrier and a hydrogenation active metal component supported on the carrier, wherein the hydrogenation active metal component comprises at least one Group VIB metal component and at least one Group VIII metal component, the carrier being composed of phosphorus-containing alumina; when the hydrogenation catalyst is measured using a hydrogen temperature programmed reduction method (H 2 -TPR), the ratio of the peak height of the low-temperature reduction peak, P low-temp peak , at a temperature of 300-500 °C to the peak height of the high-temperature reduction peak, P hi-temp peak , at a temperature of 650-850 °C, i.e. S = P low-temp peak /P hi-temp peak , is 0.5-2.0; preferably 0.7-1.9, and more preferably 0.8-1.8. The hydrogenation catalyst shows excellent heteroatom removal effect and excellent stability when used in hydrotreatment.

Hydrogenation catalyst and preparation method therefor and use thereof

A catalyst has a carrier and a hydrogenation active metal component supported on the carrier. The hydrogenation active metal component contains at least one Group VIB metal component and at least one Group VIII metal component, and the carrier is composed of phosphorus-containing alumina. When the hydrogenation catalyst is measured using a hydrogen temperature programmed reduction method (H2-TPR), the ratio of the peak height of the low-temperature reduction peak, Plow-temp peak, at a temperature of 300-500° C. to the peak height of the high-temperature reduction peak, Phi-temp peak, at a temperature of 650-850° C., i.e. S=Plow-temp peak/Phi-temp peak, is 0.5-2.0; preferably 0.7-1.9, and more preferably 0.8-1.8. The hydrogenation catalyst shows excellent heteroatom removal effect and excellent stability when used in hydrotreatment.

Materiali nanocompositi ibridi organici-inorganici integranti poliossometallati di rutenio e nanostrutture di carbonio.

熱化学燃料製造用触媒及び熱化学燃料製造方法

열화학 연료 제조용 촉매 및 열화학 연료 제조 방법

열화학적으로 연료를 제조 가능하게 하는 페로브스카이트 산화물로 이루어지는 열화학 연료 제조용 촉매 및 열화학 연료 제조 방법이 제공된다. 그와 같은 열화학 연료 제조용 촉매는 제 1 온도와 상기 제 1 온도 이하인 제 2 온도의 2단계의 열화학 사이클을 갖고 열 에너지로부터 연료를 제조하는데에 사용하는 열화학 연료 제조용 촉매로서, 조성식 AXO 3 ±δ (단, 0≤δ<1)를 갖는 페로브스카이트 산화물로 이루어지는 것을 특징으로 하는 열화학 연료 제조용 촉매; 여기에서 A는 희토류 원소, 알칼리 토류 금속 원소, 또는 알칼리 금속 원소 중 어느 하나 이상이고, X는 전이 금속 원소 또는 메탈로이드 원소 중 어느 하나 이상이고, O는 산소이다.

排ガス浄化用触媒

本発明に係る排ガス浄化用触媒１０は、貴金属２０と、該貴金属を担持する担体であって少なくともジルコニウム（Ｚｒ）およびセリウム（Ｃｅ）を含むＣＺ複合酸化物粒子を構成する結晶子３０とを含んでいる。ＣＺ複合酸化物粒子（結晶子）３０は、融点が１５００℃以上である金属元素Ｍを主体とする金属微粒子であって該ＣＺ複合酸化物粒子の結晶成長を抑制する結晶成長抑制微粒子４０をさらに含んでいる。ＣＺ複合酸化物粒子３０に含まれる金属元素Ｍの含有率は、酸化物換算で該酸化物全体の０．５ｍｏｌ％以下である。

Mww-type zeolite with macroscale hollow structure

The present invention provides zeolite hollow spheres in which zeolite crystals grow to form a framework of macropore through a hydrothermal crystallization process using the hydrophilic surface of a carbon sphere as a hard template, wherein the zeolite framework is an ordered, porous crystalline zeolite material with a number of channels or pores interconnected, which has two independent pore structures including mesopores and micropores. The zeolite hollow spheres of the present invention can be used for various purposes such as catalysts and adsorbents.

Lit homogene de catalyseur et procede de transformation d'hydrocarbures en composes aromatiques avec ledit lit

L'invention concerne un lit homogène de particules d'un catalyseur, ledit catalyseur comprenant au moins une matrice amorphe, au moins un métal noble, au moins un métal additionnel M et au moins un halogène, et dans lequel, pour une particule de catalyseur, Cpt est la concentration locale en métal noble, CM est la concentration locale en métal additionnel M, Cx est la concentration locale en halogène, lit de particules de catalyseur, dans lequel la dispersion locale de la valeur Cpt/CM ou Cpt/Cx est dite homogène le long d'un diamètre de particule, ce qui correspond à ce que au moins 70 % des valeurs Cpt/CM ou Cpt/Cx s'écartent d'au plus 30 % du rapport moyen local. L'invention concerne également un procédé de transformation d'hydrocarbures en composés aromatiques avec ce catalyseur tel que le procédé de réformage des essences et le procédé de production d'aromatiques.

シリカ基複合酸化物繊維及びそれを用いた触媒繊維並びにその製造方法

高強度な連続繊維であって、貴金属触媒のシンタリングを防ぐことが可能な前記シリカ基複合酸化物繊維を用いた触媒繊維を提供することを目的とする。シリカ成分を主体とする酸化物相（第１相）とシリカ以外の金属からなる金属酸化物相（第２相）との複合酸化物相からなるシリカ基複合酸化物繊維であって、前記金属酸化物相を構成する金属酸化物の少なくとも１以上の金属元素の存在割合が繊維表面に向かって傾斜的に増大しており、前記金属酸化物相は、それを構成する金属が粒子状に形成され、その粒子間に繊維表面から繊維内部に向かう平均細孔径が２〜３０ｎｍの細孔が形成されていることを特徴とする。

광촉매 활성이 우수한 2차원 공액 고분자-티타늄 산화물 복합체 또는 이의제조방법

본 발명은 광촉매 활성이 우수한 2차원 공액 고분자 티타늄 산화물 복합체 또는 이의 제조방법에 관한 것으로서, 좀 더 자세하게는 공액 고분자 전해질이 층간에 삽입되어 광촉매 활성이 향상된 티타늄 산화물 복합체 및 이의 제조방법에 관한 것이다. 본 발명은 층상구조를 가진 티타늄 산화물을 박리하여 티타늄 산화물 나노시트를 제조하는 단계; 및 상기 티타늄 산화물 나노시트와 공액 고분자 전해질을 혼합하여 티타늄 산화물 나노시트 층간에 공액 고분자 전해질을 삽입하는 단계;를 포함한다.

Catalyst for low temperature emission control and methods for using same

The invention provides a composite catalyst containing a first component and a second component. The first component contains a ternary mixed metal oxide. The second component contains a platinum group metal. The composite catalyst is useful for catalyzing the low temperature oxidation of carbon monoxide and hydrocarbons.

具有多级孔结构的新型泡沫镍及其制造方法和应用

本发明涉及一种具有多级孔结构的新型泡沫镍及其制造方法和应用。与现有的泡沫镍不同，所述泡沫镍的除了具有100μm至900μm尺寸的大孔隙之外还额外包括具有4μm以下尺寸的孔隙的多级孔结构很发达，因此可以具有显著大的比表面积。据此，可以多样地应用于水电解系统、废气净化过滤器等的电化学反应。

계층적 기공구조를 가지는 새로운 니켈 폼,　이의 제조방법 및　응용

본 발명은 계층적 기공구조를 가지는 새로운 니켈 폼,　이의 제조방법 및　응용에 관한 것이다. 종래의 니켈 폼과 달리 100 ㎛ 내지 900 ㎛ 크기의 거대기공 이외에 4 ㎛ 이하의 크기를 가지는 기공을 포함하는 계층적 기공 구조가 잘 발달되어 현저히 넓은 비표면적을 가질 수 있다. 이에 따라 수전해시스템, 배기가스 정화 필터 등의 전기화학적 반응에 다양하게 적용될 수 있다.

用作催化剂的双金属结构的合成

本文所述的各方面整体涉及双金属结构、其合成及其用途。在一个实施方案中，本发明提供一种用于形成双金属纳米框架的方法。该方法包括通过使包含铂(Pt)的第一前体与包含第8‑11族金属(M 2 )的第二前体反应来形成第一双金属结构，其中，M 2 不含Pt；使包含Pt的第三前体与第一双金属结构反应以形成第二双金属结构，该第二双金属结构的Pt与第8‑11族金属的摩尔比比第一双金属结构更高；以及引入第二双金属结构与酸以形成双金属纳米框架，该双金属纳米框架的Pt与第8‑11族金属的摩尔比比第二双金属结构的更高，该双金属纳米框架具有下式：(Pt) a (M 2 ) b ，其中：a是Pt的量；b是M 2 的量。

生产氯化镁微粒的方法

MgCl 2 多孔微粒，在显微镜下呈基本规则的六面体或八面体形状。这类浸渗有过渡金属化合物的微粒可用作烯烃聚合的催化组分。

Catalytic compositions for the oxidation of substrates

Catalytic compositions and sequential catalytic methods are generally described. in some embodiments, a composition comprises a first catalyst comprising a Cu-modified zeolite, and a second catalyst capable of a coupling reaction between (a) an intermediate resulting from a reaction of a reactant at the first catalyst, and (b) a co-reagent, wherein a rate of diffusion of the co-reagent within one or more cages and/or pores of the first catalyst is lower than a rate of diffusion of the intermediate within the one or more cages and/or pores of the first catalyst.

Metal oxide-coated ternary catalyst and preparing method of the same

The present disclosure relates to a ternary catalyst coated with a metal oxide, the ternary catalyst including: a ternary catalyst core including a hydrotalcite support and metal particles dispersed on the support; and a metal oxide shell formed on the ternary catalyst core.

Immobilization of Molecular Catalysts on Solid Powders via Vapor Deposition of Encapsulating Nano-Layers for Use as Heterogeneous Chemical Catalysts

An exemplary embodiment of the present disclosure provides a heterogeneous chemical catalyst comprising a substrate, a molecule attached to the substrate via a binding site, wherein the molecule comprises a catalytic active site, and a coating layer coating at least a portion of the binding site. Another embodiment of the present disclosure provides a method of preparing a heterogeneous chemical catalyst. This method comprises providing a substrate, attaching a molecule to the substrate via a binding site, wherein the molecule comprises a catalytic active site, and coating, with a coating layer, at least a portion of the binding site to form the heterogeneous chemical catalyst.

Method for producing methylenemalonic acid ester

A method for producing a compound represented by the following Formula (II), the method comprising a step of subjecting a compound represented by the following Formula (I) to heat treatment in the presence of an organic sulfonic acid and an inorganic oxide solid to obtain the compound represented by the following Formula (II), wherein a Hammett acidity function of the inorganic oxide solid is more than −12.0: wherein R each independently represents an alkyl group, an alkenyl group, or an aryl group, wherein R has the same meaning as R in Formula (I).

Iridium/ruthenium-based anode catalyst for water electrolysis, method for preparing same, and water electrolysis device using same

An iridium-ruthenium-based oxide anode catalyst for water electrolysis includes a heterostructure within the particles, different phases within the particles being adjacent to each other, and the different phases within the particles consist of iridium and ruthenium, the catalyst is synthesized using metal sulfides (MxS) as precursors, and the catalyst is characterized by the introduction of transition metal elements as dopants.

Carbon dioxide adsorbent

Disclosed is a modified carbonaceous material, which includes hexagonal carbon networks in a layered stacking structure and acidic functional groups bonded to the hexagonal carbon networks and mainly existing at edges of the layered carbonaceous structure. Accordingly, the close proximity of acid moiety at the edges can resemble the center of hydrolysis enzymes, resulting in enhancement of hydrolytic efficiency. Additionally, the acid-functionalized carbonaceous material can also be applied in the capture and storage of carbon dioxide due to its unexpectedly higher capacity for CO2 molecular.

Perovskite Material For Methane To Ethylene Conversion

A catalyst comprising a barium niobate-based cubic perovskite structure where, Mg and Ca has been used to dope the niobium sites along with Fe, Ni, Co, Y, and Pr.

金属氧化物催化剂和其制备方法

本发明涉及一种制备金属氧化物催化剂的方法，所述金属氧化物催化剂包括钼(Mo)、钒(V)、碲(Te)和铌(Nb)的氧化物，并具有改性的表面结构，所述方法包括步骤：(i)提供包括Mo、V、Te和Nb的氧化物的锻烧的催化剂材料，(ii)用选自水和酸或碱的水溶液的处理试剂处理该材料，(iii)分离被处理的催化剂与处理试剂；本发明还涉及通过该方法得到的催化剂，和该催化剂在烃类和部分氧化的烃类的氧化反应中的用途。