RU2011131506A - CATALYST, METHOD FOR ITS PREPARATION AND METHOD FOR TRANSALKILING BENZENE WITH DIETHYLBENZENES WITH ITS USE - Google Patents
CATALYST, METHOD FOR ITS PREPARATION AND METHOD FOR TRANSALKILING BENZENE WITH DIETHYLBENZENES WITH ITS USE Download PDFInfo
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- RU2011131506A RU2011131506A RU2011131506/04A RU2011131506A RU2011131506A RU 2011131506 A RU2011131506 A RU 2011131506A RU 2011131506/04 A RU2011131506/04 A RU 2011131506/04A RU 2011131506 A RU2011131506 A RU 2011131506A RU 2011131506 A RU2011131506 A RU 2011131506A
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- catalyst
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- zeolite
- benzene
- temperatures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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Abstract
1. Катализатор для трансалкилирования бензола диэтилбензолами в виде цилиндрических гранул правильной формы с определенными характеристиками пористой структуры, включающий цеолит типа Y в кислотной Н-форме, отличающийся тем, что катализатор содержит 100 мас.% цеолита со степенью замещения ионов Naна Hне менее 0,95 и при этом более 80% объема мезо- и макропор гранул составляют поры диаметром больше 100 нм.2. Способ получения катализатора для способа трансалкилирования бензола диэтилбензолами по п.1, включающий приготовление цилиндрических гранул правильной формы с определенными характеристиками пористой структуры путем смешения цеолита типа Y в кислотной Н-форме и связующего, сушки и прокалки гранул, отличающийся тем, что для получения катализатора гранулированный без связующего цеолит типа NaY высокой фазовой чистоты с диаметром гранул 1,5-1,7 мм, в котором более 80% объема мезо- и макропор приходится на поры диаметром более 100 нм, последовательно обрабатывают водными растворами солей аммония с концентрацией 20-25 г/дм(в пересчете на) при соотношении масса гранул:объем раствора, равном (1:6)-(1:7), и температурах 80-90ºС в течение 1,0-1,5 ч, чередуя три или четыре стадии указанной обработки с двумя или тремя промежуточными прокалками соответственно при температурах 540-600ºС в течение 3-4 ч, высушивают при температурах 120-150ºС в течение 3-4 ч и прокаливают 3-4 ч при температурах 540-600ºС.3. Способ трансалкилирования бензола диэтилбензолами, включающий взаимодействие бензола с диэтилбензолами в жидкой фазе на цеолитсодержащем катализаторе при повышенных температуре и давлении, отличающийся тем, что используют катализатор по п.1, а содержание в1. The catalyst for the transalkylation of benzene with diethylbenzenes in the form of cylindrical granules of the correct form with certain characteristics of the porous structure, including type Y zeolite in an acid H-form, characterized in that the catalyst contains 100 wt.% Zeolite with a degree of substitution of Na ions for at least 0.95 and more than 80% of the volume of meso- and macropores of the granules are pores with a diameter greater than 100 nm. 2. The method of producing a catalyst for the method of transalkylation of benzene with diethylbenzenes according to claim 1, including the preparation of cylindrical granules of the correct form with certain characteristics of the porous structure by mixing zeolite type Y in acid H-form and a binder, drying and calcining the granules, characterized in that to obtain a granular catalyst without a binder, a zeolite of the NaY type of high phase purity with a diameter of granules of 1.5-1.7 mm, in which more than 80% of the volume of meso- and macropores falls on pores with a diameter of more than 100 nm, but they are treated with aqueous solutions of ammonium salts with a concentration of 20-25 g / dm (in terms of) with the ratio of the mass of granules: the volume of the solution equal to (1: 6) - (1: 7), and temperatures of 80-90ºС for 1.0 -1.5 hours, alternating three or four stages of the specified treatment with two or three intermediate calcinations, respectively, at temperatures of 540-600ºС for 3-4 hours, dried at temperatures of 120-150ºС for 3-4 hours and calcined for 3-4 hours at temperatures 540-600ºС. 3. The method of transalkylation of benzene with diethylbenzenes, comprising reacting benzene with diethylbenzenes in the liquid phase on a zeolite-containing catalyst at elevated temperature and pressure, characterized in that the catalyst according to claim 1, and the content in
Claims (3)
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RU2011131506/04A RU2478429C1 (en) | 2011-07-28 | 2011-07-28 | Catalyst, method for production thereof and method for transalkylation of benzene with diethylbenzenes using said catalyst |
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RU2011131506/04A RU2478429C1 (en) | 2011-07-28 | 2011-07-28 | Catalyst, method for production thereof and method for transalkylation of benzene with diethylbenzenes using said catalyst |
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RU2011131506A true RU2011131506A (en) | 2013-02-10 |
RU2478429C1 RU2478429C1 (en) | 2013-04-10 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2779556C1 (en) * | 2021-06-08 | 2022-09-09 | Публичное акционерное общество "Нефтяная компания "Роснефть" (ПАО "НК "Роснефть") | Method for producing isopropylbenzene by transalkylation of diisopropylbenzenes with benzene |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2553256C1 (en) * | 2014-04-08 | 2015-06-10 | Открытое акционерное общество "Газпром нефтехим Салават"(ОАО "Газпром нефтехим Салават") | Method of producing catalyst and method for transalkylation of benzene with diethylbenzenes using same |
RU2757851C2 (en) * | 2016-12-08 | 2021-10-21 | Шелл Интернэшнл Рисерч Маатсхаппий Б.В. | Method for obtaining catalyst based on molybdenum and platinum for benzene synthesis by transalkylation |
RU2751336C1 (en) * | 2020-10-02 | 2021-07-13 | Общество с ограниченной ответственностью "Газпром нефтехим Салават" (ООО "Газпром нефтехим Салават") | Catalyst, method for its preparation, and method for transalkylation of benzene with diethylbenzenes using it |
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SU417405A1 (en) * | 1972-05-26 | 1974-02-28 | Я. И. Исаков, М. Миначев, Я. Т. Эйдус, А. Л. Лапидус , В. П. Калинин | METHOD OF JOINT PRODUCTION OF ETHYLBENZEN AND SECONDARY BUTYLBENZENE |
US7361797B2 (en) * | 2002-02-05 | 2008-04-22 | Abb Lummus Global Inc. | Hydrocarbon conversion using nanocrystalline zeolite Y |
ITMI20022712A1 (en) * | 2002-12-20 | 2004-06-21 | Polimeri Europa Spa | CATALYTIC COMPOSITION AND PROCESS FOR THE TRANSCHALATION OF HYDROCARBONS. |
SG172597A1 (en) * | 2006-05-24 | 2011-07-28 | Exxonmobil Chem Patents Inc | Monoalkylated aromatic compound production |
US7456124B2 (en) * | 2006-09-12 | 2008-11-25 | Uop Llc | Rhenium-containing transalkylation catalysts and processes for making the same |
US20080171902A1 (en) * | 2007-01-12 | 2008-07-17 | Deng-Yang Jan | Aromatic Transalkylation Using a Y-85 Zeolite |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2779556C1 (en) * | 2021-06-08 | 2022-09-09 | Публичное акционерное общество "Нефтяная компания "Роснефть" (ПАО "НК "Роснефть") | Method for producing isopropylbenzene by transalkylation of diisopropylbenzenes with benzene |
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