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RU97116038A - CATALYST, METHOD OF ITS PRODUCTION AND APPLICATION FOR SYNTHESIS OF METHYL MERCAPTAN - Google Patents

CATALYST, METHOD OF ITS PRODUCTION AND APPLICATION FOR SYNTHESIS OF METHYL MERCAPTAN

Info

Publication number
RU97116038A
RU97116038A RU97116038/04A RU97116038A RU97116038A RU 97116038 A RU97116038 A RU 97116038A RU 97116038/04 A RU97116038/04 A RU 97116038/04A RU 97116038 A RU97116038 A RU 97116038A RU 97116038 A RU97116038 A RU 97116038A
Authority
RU
Russia
Prior art keywords
catalyst
synthesis
methyl mercaptan
catalyst according
alumina
Prior art date
Application number
RU97116038/04A
Other languages
Russian (ru)
Other versions
RU2191069C2 (en
Inventor
Зауэр Йорг
Бекк Вольфганг
Фон Хиппель Лукас
Буркхардт Вернер
Раутенберг Стефан
Арнц Дитрих
Хофен Вилли
Original Assignee
Дегусса Акциенгезельшафт
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19639584A external-priority patent/DE19639584A1/en
Application filed by Дегусса Акциенгезельшафт filed Critical Дегусса Акциенгезельшафт
Publication of RU97116038A publication Critical patent/RU97116038A/en
Application granted granted Critical
Publication of RU2191069C2 publication Critical patent/RU2191069C2/en

Links

Claims (5)

1. Формованный катализатор на основе оксида алюминия для синтеза метилмеркаптана, содержащий вольфрамат щелочного металла в качестве промотора, отличающийся тем. что в качестве промотора применяют вольфрамат цезия, который вводят в количестве от более 15 до 40 мас.% в пересчете на общую массу готового катализатора.1. A molded catalyst based on alumina for the synthesis of methyl mercaptan containing alkali metal tungstate as a promoter, characterized in that. that cesium tungstate is used as a promoter, which is introduced in an amount of from more than 15 to 40 wt.% in terms of the total weight of the finished catalyst. 2. Катализатор по п. 1, отличающийся тем, что применяют оксид алюминия с удельной поверхностью от 180 до 400 м2/г.2. The catalyst according to claim 1, characterized in that the use of alumina with a specific surface area of from 180 to 400 m 2 / year 3. Способ получения катализатора по п. 1, включающий следующие стадии: а) импрегнирование формованной массы оксида алюминия водным щелочным раствором вольфрамата цезия, б) сушку полученного на предварительных стадиях катализатора при комнатной температуре в течение нескольких часов и в) завершающее прокаливание в течение 2-10 ч при температурах в интервале от 300 до 500oС.3. A method of producing a catalyst according to claim 1, comprising the following stages: a) impregnating the molded mass of alumina with an aqueous alkaline solution of cesium tungstate, b) drying the catalyst obtained in the preliminary stages at room temperature for several hours, and c) final calcination for 2 -10 h at temperatures in the range from 300 to 500 o C. 4. Применение катализатора по п.1 и 2 для синтеза алкилмеркаптанов из алканолов и сероводорода. 4. The use of the catalyst according to claim 1 and 2 for the synthesis of alkyl mercaptans from alkanols and hydrogen sulfide. 5. Применение катализатора по п.1 и 2 для синтеза метилмеркаптана из метанола и сероводорода. 5. The use of the catalyst according to claim 1 and 2 for the synthesis of methyl mercaptan from methanol and hydrogen sulfide.
RU97116038/04A 1996-09-26 1997-09-26 Methylmercaptane synthesis catalyst and method of preparation thereof RU2191069C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19639584A DE19639584A1 (en) 1996-09-26 1996-09-26 Catalyst, process for its preparation and use for the synthesis of methyl mercaptan
DE19639584.4 1996-09-26

Publications (2)

Publication Number Publication Date
RU97116038A true RU97116038A (en) 1999-06-27
RU2191069C2 RU2191069C2 (en) 2002-10-20

Family

ID=7806976

Family Applications (1)

Application Number Title Priority Date Filing Date
RU97116038/04A RU2191069C2 (en) 1996-09-26 1997-09-26 Methylmercaptane synthesis catalyst and method of preparation thereof

Country Status (8)

Country Link
US (1) US5852219A (en)
EP (1) EP0832687B1 (en)
JP (1) JP3976852B2 (en)
CN (1) CN1090532C (en)
BR (1) BR9704898A (en)
DE (2) DE19639584A1 (en)
ES (1) ES2166029T3 (en)
RU (1) RU2191069C2 (en)

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RU2384364C2 (en) * 2004-12-18 2010-03-20 Дегусса Гмбх Catalysts containing halide-containing tungstates of alkali metals for synthesis of alkylmercaptans and preparation methods thereof
RU2387476C2 (en) * 2004-08-04 2010-04-27 Дегусса Аг Tungstate-containing catalysts for synthesis of alkyl mercaptan and method of preparing said catalysts

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DE10319739A1 (en) * 2003-04-30 2004-11-18 Basf Ag Catalyst for the production of methyl mercaptan from methanol and hydrogen sulfide
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DE102005016369A1 (en) * 2005-04-09 2006-10-12 Degussa Ag Process for the continuous production of methyl mercaptan
DE102006032635A1 (en) 2006-07-13 2008-01-17 Evonik Degussa Gmbh Process for the preparation of alkylmercaptans in a multi-zone fixed bed reactor
WO2008141027A2 (en) 2007-05-09 2008-11-20 Shell Oil Company An epoxidation catalyst, a process for preparing the catalyst, and a process for the production of an olefin oxide, a 1,2-diol, a 1,2-diol ether, a 1,2-carbonate, or an alkanolamine
DE102007024576A1 (en) 2007-05-25 2009-05-20 Evonik Degussa Gmbh Process for the continuous production of methylmercaptan from carbon- and hydrogen-containing compounds
PE20121096A1 (en) 2008-12-23 2012-08-05 Basf Se METHOD OF COMPRESSING GASES CONTAINING HYDROGEN SULFIDE
DE102009027837A1 (en) 2009-07-20 2011-01-27 Evonik Degussa Gmbh Process for the continuous production of methylmercaptan from carbonaceous compounds, sulfur and hydrogen
KR101068112B1 (en) * 2010-02-22 2011-09-27 한국에너지기술연구원 Method for preparing tungsten oxide alumina catalyst, tungsten oxide alumina catalyst and method for removing free fatty acid from waste cooking oil containing free fatty acid using the catalyst
EP3187261A1 (en) * 2015-12-30 2017-07-05 Evonik Degussa GmbH Method for the preparation of an alkali metal and a transition metal in catalyst containing oxidized form
ES2873380T3 (en) 2016-05-31 2021-11-03 Novus Int Inc Process to produce methyl mercaptan from dimethyl sulfide
EP3689451A1 (en) 2019-01-29 2020-08-05 Evonik Operations GmbH Catalyst for the synthesis of alkyl mercaptan and process for its preparation
CN114478334B (en) * 2022-02-25 2023-11-10 新疆广汇陆友硫化工有限公司 Method for producing dimethyl disulfide by methyl mercaptan vulcanization

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2387476C2 (en) * 2004-08-04 2010-04-27 Дегусса Аг Tungstate-containing catalysts for synthesis of alkyl mercaptan and method of preparing said catalysts
RU2384364C2 (en) * 2004-12-18 2010-03-20 Дегусса Гмбх Catalysts containing halide-containing tungstates of alkali metals for synthesis of alkylmercaptans and preparation methods thereof

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