EA202090904A1 - CATALYST FOR DIRECT OBTAINING OF P-XYLENE FROM SYNTHESIS GAS, METHOD OF ITS PRODUCTION AND APPLICATION - Google Patents

CATALYST FOR DIRECT OBTAINING OF P-XYLENE FROM SYNTHESIS GAS, METHOD OF ITS PRODUCTION AND APPLICATION

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Publication number
EA202090904A1
EA202090904A1 EA202090904A EA202090904A EA202090904A1 EA 202090904 A1 EA202090904 A1 EA 202090904A1 EA 202090904 A EA202090904 A EA 202090904A EA 202090904 A EA202090904 A EA 202090904A EA 202090904 A1 EA202090904 A1 EA 202090904A1
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EA
Eurasian Patent Office
Prior art keywords
catalyst
xylene
synthesis gas
core
shell
Prior art date
Application number
EA202090904A
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Russian (ru)
Inventor
Гуохуи Янг
Норитацу Цубаки
Ушио Така
Цзяньюй Чай
Original Assignee
Хайкем Ко., Лтд
Мохан Со. Лтд
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Application filed by Хайкем Ко., Лтд, Мохан Со. Лтд filed Critical Хайкем Ко., Лтд
Publication of EA202090904A1 publication Critical patent/EA202090904A1/en

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    • B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/48—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing arsenic, antimony, bismuth, vanadium, niobium tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
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    • B01J29/405—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing rare earth elements, titanium, zirconium, hafnium, zinc, cadmium, mercury, gallium, indium, thallium, tin or lead
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    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
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    • B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
    • B01J29/42—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively containing iron group metals, noble metals or copper
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  • Chemical & Material Sciences (AREA)
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Abstract

Настоящее изобретение относится к катализатору типа ядро-оболочка, ядром которого являются молекулярное сито HZSM-5 и модифицированное молекулярное сито ZSM-5 H-типа, в котором группа H полностью или частично замещена (не)металлическими элементами, указанными в описании изобретения, или их смесью, а оболочка создаётся из одного или нескольких следующих материалов, а именно из углеродной мембраны, Silicalite-1, MCM-41, SBA-15, KIT-6, серии MSU, диоксида кремния, графена, углеродной нанотрубки, металлоорганического каркаса MOF, графита, активированного угля, мембраны из оксида металла. Когда композитный катализатор, состоящий из данного катализатора и катализатора для превращения синтез-газа в метанол, используется для одностадийной превращения синтез-газа, высока не только селективность ксилола, но и степень превращения синтез-газа. Более того, селективность п-ксилола в ксилоле тоже высока. Следовательно, настоящее изобретение также относится к композитному катализатору, состоящему из катализатора типа ядро-оболочка и катализатора для превращения синтез-газа в метанол, а также к способу его получения и применению.The present invention relates to a core-shell catalyst the core of which is an HZSM-5 molecular sieve and a modified H-type ZSM-5 molecular sieve in which the H group is wholly or partially substituted by (un) metal elements specified in the description of the invention, or mixture, and the shell is created from one or more of the following materials, namely carbon membrane, Silicalite-1, MCM-41, SBA-15, KIT-6, MSU series, silicon dioxide, graphene, carbon nanotube, MOF metal-organic framework, graphite , activated carbon, metal oxide membrane. When a composite catalyst composed of a given catalyst and a catalyst for converting syngas to methanol is used for one-stage synthesis gas conversion, not only is the selectivity of xylene high, but also the conversion rate of the synthesis gas is high. Moreover, the selectivity of p-xylene in xylene is also high. Therefore, the present invention also relates to a composite catalyst consisting of a core-shell catalyst and a catalyst for converting synthesis gas to methanol, as well as a method for its preparation and use.

EA202090904A 2017-09-30 2018-09-27 CATALYST FOR DIRECT OBTAINING OF P-XYLENE FROM SYNTHESIS GAS, METHOD OF ITS PRODUCTION AND APPLICATION EA202090904A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710917428.6A CN109590019A (en) 2017-09-30 2017-09-30 Catalyst and its preparation and the application of paraxylene are directly prepared for synthesis gas
PCT/CN2018/107966 WO2019062815A1 (en) 2017-09-30 2018-09-27 Catalyst for directly preparing p-xylene by using syngas, preparation thereof, and applications thereof

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CN109590019A (en) 2017-09-30 2019-04-09 株式会社模范 Catalyst and its preparation and the application of paraxylene are directly prepared for synthesis gas
CN112121847B (en) * 2019-06-25 2024-01-05 高化学株式会社 Catalyst for preparing methyl acetate by dimethyl ether carbonylation and preparation and application thereof
CN112295591B (en) * 2019-08-02 2023-09-05 中国石油化工股份有限公司 Catalyst for synthesizing durene from trimellitic benzene and preparation method
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