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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 12. Отображено 12.
01-08-2023 дата публикации

Method for accelerating microbial catalytic conversion of CO2 to produce CH4 by using antibiotics

Номер: CN116515910A
Автор: CHENG HUAIGANG, SHE YUTING, CHENG FANGQIN, PAN ZIHE, QIAN ANIU
Принадлежит:

The invention aims to provide a method for accelerating microbial catalytic conversion of CO2 to produce CH4, and belongs to the technical field of CO2 microbial conversion, the working process of the method comprises the following steps: establishing a microbial anaerobic conversion device, and pretreating an inoculum; a microbial culture medium containing antibiotics is prepared, the penicillin effect of the antibiotics is remarkable, and after the temperature and pH are adjusted, the microbial anaerobic conversion device is inoculated; and CO2 is continuously introduced for starting until the air pressure is enough and gas CH4 capable of stably combusting is generated. The method has the characteristics that through application of antibiotics such as penicillin and the like, the competitive inhibition effect of infectious microbes in the industry of producing CH4 through catalytic conversion of CO2 by microorganisms on methanogens is avoided, the long-period restart time caused by cleaning ...

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Номер записи: 1
28-07-2023 дата публикации

Desulfurization and denitrification activated carbon with adjustable CaS content as well as preparation method and application of desulfurization and denitrification activated carbon

Номер: CN116495730A
Автор: ZHANG HUIRONG, NIU JIAN, LUO LIN, GUO YANXIA, CHENG FANGQIN
Принадлежит:

The invention provides desulfurization and denitrification activated carbon with adjustable and controllable CaS content and a preparation method and application thereof, and the preparation method of the desulfurization and denitrification activated carbon comprises the following steps: (1) selecting different types of raw coal, and detecting the content of pyrite and calcite in each raw coal; (2) regulating and controlling the content of CaS based on the mass ratio of the pyrite to the calcite, and compounding the raw coal; and (3) adding a binder into the compounded mixed coal, and carrying out hot press molding, carbonization and activation treatment to obtain the desulfurization and denitrification activated carbon. The desulfurization and denitrification activated carbon is prepared by regulating and controlling the content of CaS, the dependence on specific coal types and the preparation cost of the activated carbon are reduced, the obtained desulfurization and denitrification activated ...

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Номер записи: 2
09-05-2023 дата публикации

Method for preparing desulfurization and denitrification activated carbon from coking wastewater strong brine

Номер: CN116081620A
Автор: ZHANG HUIRONG, LUO LIN, NIU JIAN, GUO YANXIA, CHENG FANGQIN
Принадлежит:

The invention discloses a method for preparing desulfurization and denitrification activated carbon by using coking wastewater strong brine, belongs to the technical field of preparation and application of activated carbon, and can solve the problems of high cost, low performance, high treatment difficulty of coking wastewater strong brine and the like of activated carbon in the prior art. The method comprises the following specific steps: S1, sampling the coking wastewater strong brine and measuring the concentrations of Na < + >, Ca < 2 + >, Cl <-> and SO4 < 2-> in the coking wastewater strong brine; s2, crushing raw coal prepared from activated carbon to 160 meshes or above; s3, mixing the coking wastewater strong brine with the raw coal according to a certain proportion, wherein the addition proportion of the coking wastewater strong brine is not more than 10% of the coal sample; and S4, adding a binder into the mixed sample, and carrying out hot press molding, carbonization and CO2 ...

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Номер записи: 3
01-08-2023 дата публикации

Device and method for resource utilization of alkali production ammonia distillation waste liquid

Номер: CN116514322A
Автор: CHENG HUAIGANG, XU WENJIAO, CHENG FANGQIN, MA ZHUOHUI
Принадлежит:

The invention aims to provide a device and a method for resource utilization of alkali-making ammonia distillation waste liquid, and belongs to the technical field of comprehensive utilization of industrial waste liquid, the ammonia distillation waste liquid is evaporated and concentrated by using flue gas waste heat, flue gas desulfurization is realized, a CaSO4 byproduct is obtained, and special CaCO3 hollow microspheres are prepared by using the ammonia distillation waste liquid to absorb CO2. The residual Ca < 2 + > in the ammonia distillation waste liquid is converted into micron CaCO3 by using a carbonate precipitation method, the Na < + > in a liquid phase is converted into a high-value and high-yield ammonium phosphate product, and the residual NH4Cl concentrated solution is commercialized as a raw material of a liquid fertilizer. The method has the characteristics that the process flow is simple, the technical economy is good, the practicability is high, the treatment of the distilled ...

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Номер записи: 4
11-08-2023 дата публикации

Method and device for continuously drying sludge at low carbon by pulsating fluidized heat carrier

Номер: CN116573829A
Автор: WANG FEI, CHENG FANGQIN, LI YUAN, ZHANG KAI, YANG FENGLING
Принадлежит:

The invention discloses a method and a device for continuously drying sludge at low carbon by a pulsating fluidized heat carrier, and belongs to the technical field of solid waste treatment. In order to solve the industrial problems of difficulty in drying, high energy consumption, low efficiency, high carbon emission and the like in sludge treatment at present, a heat carrier is added into a static pulsating dryer, and hot carrier gas is introduced, so that the heat carrier is in a high-temperature fluidized state; sludge is subjected to microwave pretreatment and then enters a static pulsating dryer, so that water in the sludge is rapidly evaporated into particle gaps in a sludge group, and the viscosity of the sludge is reduced while bound water is gasified; after the sludge entering the static pulsating dryer collides with and is mixed with the heat carrier, fluidized drying is continuously carried out, wall sticking in the drying process is reduced, and meanwhile separation of the ...

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Номер записи: 5
22-08-2023 дата публикации

High-activity Pd-La/KIT-6 catalyst as well as preparation method and application thereof

Номер: CN116618045A
Автор: CUI JINGLEI, REN DAN, GUO YANXIA, ZHANG HUIRONG, CUI YUJUN, CHENG FANGQIN
Принадлежит:

The invention belongs to the technical field of catalysts, and particularly relates to a high-activity Pd-La/KIT-6 catalyst as well as a preparation method and application thereof. The carrier of the catalyst is a mesoporous silica material KIT-6; urea is used for preparing a nitrogen-doped KIT-6 material; the active component of the catalyst is Pd metal, and the loading capacity of Pd is 0.1-2 wt%; the auxiliary agent of the catalyst is La, and the loading capacity is 1-5 wt%. The catalyst is prepared by adopting a chemical vapor deposition-spraying method, the active component of the catalyst is highly dispersed, the Pd loading capacity is low, and the activity of the catalyst is high. In the catalytic oxidation reaction of toluene, the space velocity of the raw material gas is 10000-60000mL. G <-1 >. H <-1 >, the concentration of toluene is 1000-4000ppm, and the conversion rate of toluene can reach 99% or above at 160-175 DEG C.

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Номер записи: 6
07-04-2023 дата публикации

Energy-saving and consumption-reducing process for comprehensive recovery of iron, aluminum, silicon and sodium in red mud

Номер: CN115921493A
Автор: YAN KEZHOU, ZHANG WENYU, LIU DANDAN, WANG LIJUAN, GUO YANXIA, CHENG FANGQIN
Принадлежит:

The invention aims to provide an energy-saving and consumption-reducing process for comprehensive recovery of iron, aluminum, silicon and sodium in red mud, and belongs to the technical field of solid waste resource utilization, the process flow is as follows: mixing the red mud with carbon, aluminum and silicon-containing solid waste and a sodium aid in proportion, and roasting and activating in a reducing or inert atmosphere; performing magnetic separation on the roasted clinker to obtain a magnetic phase and a non-magnetic phase, wherein the magnetic phase is a fine iron powder product; uniformly mixing the non-magnetic phase with hydrochloric acid according to a specific liquid-solid ratio, carrying out acid leaching dissolution at room temperature, and carrying out solid-liquid separation to obtain an acid leaching solution 1 and titanium-rich slag; adjusting the pH value of the acid leaching solution 1, adding a surfactant to precipitate and desiliconize, and carrying out solid-liquid ...

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Номер записи: 7
27-06-2023 дата публикации

Carbonization-reinforced nano silicon oxide doped basic magnesium sulfate cement and preparation method thereof

Номер: CN116332539A
Автор: CHENG FANGQIN, FANG LI, JIA ZHENZHEN, YANG CHENGLI, DI ZHIHUI, LI JIAN
Принадлежит:

The invention discloses carbonization-reinforced nano silicon oxide doped basic magnesium sulfate cement and a preparation method thereof, and belongs to the technical field of building materials. The preparation method comprises the following steps: adding nano silicon dioxide into basic magnesium sulfate cement paste, uniformly stirring, pouring into a mold, curing in air for different ages to obtain nano silicon oxide doped basic magnesium sulfate cement, and continuously performing carbonization curing for different time to obtain the carbonization reinforced nano silicon oxide doped basic magnesium sulfate cement. According to the method, carbonization maintenance is started after the hydration product 5, 1 and 7-phase crystals of the basic magnesium sulfate cement grow to the best, magnesium oxide which is not completely reacted in a system and carbon dioxide are subjected to carbonation reaction, and the basic magnesium carbonate nano-particles are generated. Meanwhile, the nano ...

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Номер записи: 8
13-06-2023 дата публикации

Microwave and coal slime reinforced sludge continuous drying device and method

Номер: CN116253490A
Автор: WANG FEI, CHENG FANGQIN, ZHANG KAI, YANG FENGLING, YAO XUJIAN
Принадлежит:

The invention discloses a microwave and coal slime reinforced sludge continuous drying device and method, and belongs to the technical field of organic solid waste treatment. The invention aims to solve the industrial problems of difficulty in drying, high energy consumption, low efficiency, high carbon emission and the like in sludge and coal slime treatment at present. An integral micro-negative-pressure hot air drying environment is built in the static pulsating dryer, a mixture of sludge and coal slime is subjected to microwave drying, and the cutting and crushing device is combined, so that moisture is quickly gasified, and the viscosity of material cluster particles is reduced; the drying energy consumption is reduced; meanwhile, hot air dynamic drying is carried out, and separation of dry and wet sludge coal slime is achieved; returning part of the dry sludge slime to the wet sludge slime, continuously drying in the static pulsating dryer, and discharging the dried sludge slime out ...

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Номер записи: 9
26-05-2023 дата публикации

Process for preparing polysilicate aluminum ferric flocculant and co-producing white carbon black from red mud

Номер: CN116161757A
Автор: YAN KEZHOU, ZHANG TING, LIU DANDAN, WANG LIJUAN, GUO YANXIA, CHENG FANGQIN
Принадлежит:

The invention aims to provide a process for preparing a polysilicate aluminum ferric flocculant and co-producing white carbon black from red mud, and belongs to the technical field of solid waste resource utilization, and the process flow is as follows: roasting and activating the red mud at a certain temperature, uniformly mixing the roasted clinker with hydrochloric acid or sulfuric acid according to a specific liquid-solid ratio, and leaching and dissolving out in a room temperature range, performing solid-liquid separation to obtain pickle liquor 1 and titanium-rich slag; adding a surfactant (hexadecyl trimethyl ammonium bromide and polyethylene glycol) into the pickle liquor 1 to precipitate and desiliconize, and carrying out solid-liquid separation to obtain pickle liquor 2 and white carbon black; and adding an alkalizer (such as sodium hydroxide and sodium carbonate) into the pickle liquor 2, and carrying out polymerization reaction to obtain the polysilicate aluminum ferric flocculant ...

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Номер записи: 10
25-07-2023 дата публикации

Fe-N-C ultralow-temperature SCR denitration catalyst as well as preparation method and application thereof

Номер: CN116474816A
Автор: ZHANG HUIRONG, XU WENZHEN, NIU JIAN, GUO YANXIA, CHENG FANGQIN
Принадлежит:

The invention belongs to the field of ultralow-temperature tail end denitration, and particularly relates to a Fe-N-C ultralow-temperature SCR denitration catalyst and a preparation method and application thereof. The preparation method of the catalyst comprises the following steps: pickling carbon black with hydrochloric acid, cleaning to be neutral, drying, condensing and refluxing in nitric acid, cleaning again to be neutral, and drying to obtain purified carbon black; the preparation method comprises the following steps: mixing and dissolving aniline, a nitrogen source and ferric salt in hydrochloric acid, adding an ammonium persulfate solution and a purified carbon black solution, stirring and reacting, filtering, cleaning and drying to obtain a catalyst precursor; and calcining, pickling, drying and re-calcining the catalyst precursor to obtain the catalyst. The preparation method of the catalyst is simple and easy to operate, has good denitration efficiency at the temperature of ...

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Номер записи: 11
04-04-2023 дата публикации

Porous soil matrix material and preparation method thereof

Номер: CN115894067A
Автор: DI ZICHEN, SONG HUIPING, FENG ZHENGJUN, WU SHENGJIE, ZOU YAN, CHENG FANGQIN
Принадлежит:

The invention aims to provide a porous soil matrix material and a preparation method thereof, and belongs to the technical field of preparation of porous materials.Coke oven flue gas waste heat serves as a heat source, solid waste fly ash/coal gangue and coked byproduct ammonium sulfate serve as main raw materials, the low-temperature gelatinization and foam stabilizing characteristics of starch and the low-temperature foaming characteristic of ammonium sulfate are matched, and the porous soil matrix material is prepared. And the gelatinization temperature, the decomposition temperature and the flue gas waste heat temperature are controlled, so that the rapid forming and foaming method of the material is realized. The production process is different from a traditional thought of preparing a porous material based on a gelling principle, rapid forming and foaming are realized through cooperation of gelatinization and foam stabilizing effects of starch and a low-temperature foaming effect ...

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Номер записи: 12