RU2011102737A - METHOD FOR PREPARING THE CATALYST AND THE OXIDATION AND GAS CLEANING CATALYST - Google Patents
METHOD FOR PREPARING THE CATALYST AND THE OXIDATION AND GAS CLEANING CATALYST Download PDFInfo
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- RU2011102737A RU2011102737A RU2011102737/04A RU2011102737A RU2011102737A RU 2011102737 A RU2011102737 A RU 2011102737A RU 2011102737/04 A RU2011102737/04 A RU 2011102737/04A RU 2011102737 A RU2011102737 A RU 2011102737A RU 2011102737 A RU2011102737 A RU 2011102737A
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- alumina
- aluminum
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Abstract
1. Способ приготовления катализатора, включающий предварительную обработку инертного блочного носителя из Al-содержащей фольги посредством прокаливания при температуре 850-920°С в токе воздуха в течение 12-15 ч, а затем нанесение при комнатной температуре на его поверхность промежуточного покрытия - модифицированного оксида алюминия из суспензии, включающей гидроксид алюминия, азотнокислый алюминий, азотнокислый церий, воду, термообработку блока с промежуточным покрытием в токе воздуха и последующее нанесение одного или нескольких каталитически активных металлов платиновой группы, отличающийся тем, что промежуточное покрытие наносят из суспензии, содержащей дополнительно базальтовые чешуи из супертонкого базальтового волокна с диаметром элементарных частиц 1-3 мкм и их длиной до 1000 мкм в следующем соотношении ее компонентов, мас.%: ! Гидроксид алюминия 22,0-32,0 ! Азотнокислый алюминий 2,0-4,0 ! Азотнокислый церий 3,0-7,0 ! Базальтовые чешуи 1,3-3,5! Вода до 100 термообработку блока с промежуточным покрытием осуществляют при температуре 660-700°С с выдержкой 70-90 мин. ! 2. Катализатор, приготовленный по п.1, включающий блочный металлический носитель, промежуточное покрытие из модифицированного оксида алюминия и нанесенную на пористую поверхность промежуточного покрытия активную фазу из благородных металлов платиновой группы, содержащий 9,0-20,0 мас.% модифицированного Аl2О3, имеющего удельную поверхность 120-140 м2/г, включающего оксид алюминия, оксид церия, отличающийся тем, что модифицированный оксид алюминия дополнительно содержит базальт при следующем соотношении компонентов, мас.%: ! Оксид алюминия 73,2-90,5 ! Оксид церия 5,2-13,8 ! 1. A method of preparing a catalyst, comprising pretreatment of an inert block carrier of Al-containing foil by calcining at a temperature of 850-920 ° C in an air stream for 12-15 hours, and then applying an intermediate coating of modified oxide at room temperature to its surface aluminum from a suspension comprising aluminum hydroxide, aluminum nitrate, cerium nitrate, water, heat treatment of the unit with an intermediate coating in a stream of air and the subsequent application of one or more catalytes cally active platinum group metals, characterized in that the intermediate coating is applied from a slurry further containing basalt scales of superfine basalt fibers having a diameter of elementary particles of 1-3 microns and a length of 1000 microns with the following proportion of its components, wt.%: Aluminum hydroxide 22.0-32.0! Aluminum nitrate 2.0-4.0! Cerium nitrate 3.0-7.0! Basalt scales 1.3-3.5! Water up to 100 heat treatment of the block with an intermediate coating is carried out at a temperature of 660-700 ° C with a shutter speed of 70-90 minutes ! 2. The catalyst prepared according to claim 1, comprising a block metal carrier, an intermediate coating of modified alumina and an active phase of noble metals of the platinum group deposited on the porous surface of the intermediate coating, containing 9.0-20.0 wt.% Of modified Al2O3, having a specific surface area of 120-140 m2 / g, including alumina, cerium oxide, characterized in that the modified alumina additionally contains basalt in the following ratio of components, wt.%:! Alumina 73.2-90.5! Cerium oxide 5.2-13.8!
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RU2011102737/04A RU2470708C2 (en) | 2011-01-25 | 2011-01-25 | Method of preparing catalyst and catalyst for oxidising and cleaning gases |
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RU2011102737/04A RU2470708C2 (en) | 2011-01-25 | 2011-01-25 | Method of preparing catalyst and catalyst for oxidising and cleaning gases |
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RU2011102737A true RU2011102737A (en) | 2012-07-27 |
RU2470708C2 RU2470708C2 (en) | 2012-12-27 |
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Cited By (2)
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CN114433118A (en) * | 2020-10-30 | 2022-05-06 | 中国科学院宁波材料技术与工程研究所 | Fluidized bed hydrogenation catalyst and processing method of coal tar whole fraction |
CN114870834A (en) * | 2022-05-17 | 2022-08-09 | 安徽紫朔环境工程技术有限公司 | Wear-resistant catalyst coating for ceramic filter tube |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2546120C1 (en) * | 2014-01-31 | 2015-04-10 | Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" | Method of catalyst preparing for hydrogen oxidation |
RU2614147C1 (en) * | 2015-12-15 | 2017-03-23 | Открытое акционерное общество "Ассоциация разработчиков и производителей систем мониторинга" | Method of preparing catalyst and catalyst for oxidising co |
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JPH05245A (en) * | 1991-06-24 | 1993-01-08 | Kiyohisa Ota | Conversion of carbon dioxide, carbonic ion or hydrocarbonic ion to high value added substance by photocatalytic action |
RU2169614C1 (en) * | 2000-03-31 | 2001-06-27 | Научно-исследовательский физико-химический институт им. Л.Я. Карпова | Method of preparing catalyst and catalyst for treating internal combustion engine exhaust gases |
CN101400626B (en) * | 2006-05-01 | 2012-03-28 | 揖斐电株式会社 | Honeycomb structure, process for producing honeycomb structure, honeycomb filter and process for producing honeycomb filter |
RU2348457C2 (en) * | 2007-03-28 | 2009-03-10 | Общество с ограниченной ответственностью "Научно-производственная фирма "Катализаторы, сорбенты, носители-технологии" (ООО "КСН-технологии") | Method of catalyst preparation and catalyst for exhaust gas treatment in internal combustion engines |
WO2009118816A1 (en) * | 2008-03-24 | 2009-10-01 | イビデン株式会社 | Honeycomb structure |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114433118A (en) * | 2020-10-30 | 2022-05-06 | 中国科学院宁波材料技术与工程研究所 | Fluidized bed hydrogenation catalyst and processing method of coal tar whole fraction |
CN114433118B (en) * | 2020-10-30 | 2023-06-02 | 中国科学院宁波材料技术与工程研究所 | Ebullated bed hydrogenation catalyst and method for processing coal tar full fraction |
CN114870834A (en) * | 2022-05-17 | 2022-08-09 | 安徽紫朔环境工程技术有限公司 | Wear-resistant catalyst coating for ceramic filter tube |
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