RU2000100988A - METHOD FOR PROCESSING HEAVY AROMATIC HYDROCARBONS - Google Patents

METHOD FOR PROCESSING HEAVY AROMATIC HYDROCARBONS

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Publication number
RU2000100988A
RU2000100988A RU2000100988/04A RU2000100988A RU2000100988A RU 2000100988 A RU2000100988 A RU 2000100988A RU 2000100988/04 A RU2000100988/04 A RU 2000100988/04A RU 2000100988 A RU2000100988 A RU 2000100988A RU 2000100988 A RU2000100988 A RU 2000100988A
Authority
RU
Russia
Prior art keywords
benzene
zeolite
toluene
aromatic hydrocarbons
transalkylation reaction
Prior art date
Application number
RU2000100988/04A
Other languages
Russian (ru)
Other versions
RU2183611C2 (en
Inventor
мл. БИЧ Джеймс Хардинг
Стюарт Деймон ХЕЛЛРИНГ
Терри Юджин ХЕЛТОН
Тимоти Фредерик КИНН
Сейди МИЗРАХИ
Норман Джозеф РУЛО
Original Assignee
Мобил Ойл Корпорейшн
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 US08/874,875 external-priority patent/US5942651A/en
Application filed by Мобил Ойл Корпорейшн filed Critical Мобил Ойл Корпорейшн
Publication of RU2000100988A publication Critical patent/RU2000100988A/en
Application granted granted Critical
Publication of RU2183611C2 publication Critical patent/RU2183611C2/en

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Claims (8)

1. Способ превращения С9 + ароматических углеводородов в более легкие ароматические соединения, включающий стадию взаимодействия (i) C99 + ароматических углеводородов и (ii) толуола иди бензола в условиях реакции трансалкилирования, над первой каталитической композицией, содержащей цеолит, имеющий индекс проницаемости, находящийся в интервале от 0,5 до 3 и компонент гидрогенизации и над второй каталитической композицией, содержащей цеолит со средним размером пор, имеющий индекс проницаемости, находящийся в интервале от 3 до 12, при соотношении диоксида кремния к оксиду алюминия, составляющему по крайней мере 5, с получением продукта реакции трансалкилирования, содержащего (i) бензол или толуол и (ii) ксилол.1. A method of converting C 9 + aromatic hydrocarbons into lighter aromatic compounds, comprising the step of reacting (i) C9 9 + aromatic hydrocarbons and (ii) toluene or benzene under the conditions of a transalkylation reaction, over a first catalytic composition containing a zeolite having a permeability index, which is in the range from 0.5 to 3 and the hydrogenation component and above the second catalytic composition containing a zeolite with an average pore size, having a permeability index in the range from 3 to 12, at a ratio silica to alumina of at least 5 to produce a transalkylation reaction product containing (i) benzene or toluene and (ii) xylene. 2. Способ получения бензола, включающий стадии: (а) взаимодействия (i) C9 + ароматических углеводородов и (ii) толуола или бензола в условиях реакции трансалкилирования, над первой каталитической композицией, содержащей цеолит, имеющий индекс проницаемости, находящийся в интервале от 0,5 до 3 и компонент гидрогенизации и над второй каталитической композицией, содержащей цеолит со средним размером пор, имеющий индекс проницаемости, находящийся в интервале от 3 до 12, при соотношении диоксида кремния к оксиду алюминия, составляющему по крайней мере 5, с получением потока продукта, содержащего (i) бензол или толуол и (ii) ксилол и (b) отгонка бензола или толуола от указанного потока продукта, для получения продукта бензола или толуола.2. A method for producing benzene, comprising the steps of: (a) reacting (i) C 9 + aromatic hydrocarbons and (ii) toluene or benzene under the conditions of a transalkylation reaction, over a first catalytic composition containing a zeolite having a permeability index ranging from 0 , 5 to 3, and a hydrogenation component and above the second catalytic composition containing an average pore zeolite having a permeability index ranging from 3 to 12, with a silica to alumina ratio of at least 5 to give a product stream comprising (i) benzene or toluene and (ii) xylene, and (b) distilling the benzene or toluene from said product stream to obtain a benzene or toluene product. 3. Способ по п. 2, отличающийся тем, что бензол, продукт стадии (b) имеет чистоту по крайней мере 99,85%. 3. The method according to p. 2, characterized in that the benzene product of stage (b) has a purity of at least 99.85%. 4. Способ по п. 3, отличающийся тем что бензол, продукт стадии (b) имеет чистоту по крайней мере 99,85%, без необходимости проведения дополнительной стадии экстракции. 4. The method according to p. 3, characterized in that benzene, the product of stage (b) has a purity of at least 99.85%, without the need for an additional extraction step. 5. Способ по п. 1, отличающийся тем, что компонент гидрогенизации первой каталитической композиции представляет собой по крайней мере один металл, выбранный из VIII группы Периодической таблицы Элементов и цеолит первой каталитической композиции выбирают из группы, состоящей из МСМ-22, PSH-3, SSZ-25, ZSM-12 и цеолита бета. 5. The method according to p. 1, characterized in that the hydrogenation component of the first catalyst composition is at least one metal selected from group VIII of the Periodic Table of the Elements and the zeolite of the first catalyst composition is selected from the group consisting of MCM-22, PSH-3 , SSZ-25, ZSM-12 and zeolite beta. 6. Способ по п. 5, отличающийся тем, что цеолит второй каталитической композиции представляет собой цеолит ZSM-5. 6. The method according to p. 5, characterized in that the zeolite of the second catalyst composition is a zeolite ZSM-5. 7. Способ по п. 1, отличающийся тем, что условия проведения реакции трансалкилирования включают температуру в пределах от 343o до 510oС (650o до 950oF), давление в пределах от 7,0 до 4,2 МПа (100 до 600 фунт/дюйм2), и мольное отношение водорода к углеводороду в интервале от 1 до 5.7. The method according to p. 1, characterized in that the conditions for the transalkylation reaction include a temperature in the range from 343 o to 510 o C (650 o to 950 o F), a pressure in the range from 7.0 to 4.2 MPa (100 to 600 lb / in2), and the molar ratio of hydrogen to hydrocarbon ranging from 1 to 5. 8. Способ превращения С9 + ароматических углеводородов в более легкие ароматические соединения, включающий стадию (а) взаимодействия (i) С9 + ароматических углеводородов и (ii) толуола или бензола в условиях реакции трансалкилирования, над первым каталитическим слоем, включающим первую каталитическую композицию, содержащую цеолит, имеющий индекс проницаемости, находящийся в интервале от 0,5 до 3 и компонент гидрогенизации с образованием потока промежуточного продукта и (b) пропускание указанного потока промежуточного продукта над вторым каталитическим слоем, включающим вторую каталитическую композицию, содержащую цеолит со средним размером пор, имеющий индекс проницаемости, находящийся в интервале от 3 до 12, при соотношении диоксида кремния к оксиду алюминия по крайней мере 5, с получением конечного продукта реакции трансалкилирования, содержащего (i) бензол или толуол и (ii) ксилол.8. A method of converting C 9 + aromatic hydrocarbons into lighter aromatic compounds, comprising the step of (a) reacting (i) C 9 + aromatic hydrocarbons and (ii) toluene or benzene under the conditions of a transalkylation reaction, over a first catalytic layer comprising a first catalyst composition comprising a zeolite having a permeability index ranging from 0.5 to 3 and a hydrogenation component to form an intermediate product stream; and (b) passing said intermediate product stream over a second cat a lytic layer comprising a second catalytic composition containing an average pore size zeolite having a permeability index ranging from 3 to 12, with a silica to alumina ratio of at least 5, to obtain a final transalkylation reaction product containing (i) benzene or toluene; and (ii) xylene.
RU2000100988/04A 1997-06-13 1998-06-12 Method of heavy aromatic hydrocarbon processing RU2183611C2 (en)

Applications Claiming Priority (2)

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US08/874,875 1997-06-13
US08/874,875 US5942651A (en) 1997-06-13 1997-06-13 Process for converting C9 + aromatic hydrocarbons to lighter aromatic products by transalkylation in the prescence of two zeolite-containing catalysts

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RU2000100988A true RU2000100988A (en) 2001-10-20
RU2183611C2 RU2183611C2 (en) 2002-06-20

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US (1) US5942651A (en)
EP (1) EP0988265B1 (en)
JP (1) JP4021943B2 (en)
KR (1) KR100534062B1 (en)
CN (1) CN1111518C (en)
AU (1) AU738979B2 (en)
BG (1) BG103960A (en)
CA (1) CA2290694C (en)
DE (1) DE69807476T2 (en)
ES (1) ES2180181T3 (en)
ID (1) ID24255A (en)
PL (1) PL337778A1 (en)
PT (1) PT988265E (en)
RU (1) RU2183611C2 (en)
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WO (1) WO1998056741A1 (en)

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