RU97112631A - METHOD FOR PRODUCING BUTENOLIGOMERS FROM OLEPHINS BY FISHER-TROPSH SYNTHESIS - Google Patents

METHOD FOR PRODUCING BUTENOLIGOMERS FROM OLEPHINS BY FISHER-TROPSH SYNTHESIS

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Publication number
RU97112631A
RU97112631A RU97112631/04A RU97112631A RU97112631A RU 97112631 A RU97112631 A RU 97112631A RU 97112631/04 A RU97112631/04 A RU 97112631/04A RU 97112631 A RU97112631 A RU 97112631A RU 97112631 A RU97112631 A RU 97112631A
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RU
Russia
Prior art keywords
line
stage
discharged
oligomerization
butene
Prior art date
Application number
RU97112631/04A
Other languages
Russian (ru)
Other versions
RU2189372C2 (en
Inventor
Нирлих Франц
Теч Вальтер
Ольбрих Пауль
Дросте Вильхельм
Мюллер Рихард
Original Assignee
Хюльс АГ
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 DE19629906A external-priority patent/DE19629906A1/en
Application filed by Хюльс АГ filed Critical Хюльс АГ
Publication of RU97112631A publication Critical patent/RU97112631A/en
Application granted granted Critical
Publication of RU2189372C2 publication Critical patent/RU2189372C2/en

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Claims (10)

1. Способ получения бутенолигомеров из олефинов по синтезу Фишера-Тропша, отличающийся тем, что содержащиеся во фракции C4 углеводородов по синтезу Фишера-Тропша бутены подвергают олигомеризации на стадии 2 олигомеризации и из отводимой по линии 3 смеси олигомеризации получают отводимый по линии 4 дибутен.1. A method for producing butenoligomers from olefins by Fischer-Tropsch synthesis, characterized in that the butenes contained in the C 4 fraction of hydrocarbons by Fischer-Tropsch synthesis are oligomerized in stage 2 of oligomerization and dibutene withdrawn from line 4 is obtained from the oligomerization mixture taken from line 3. 2. Способ по п. 1, отличающийся тем, что содержащийся в олефинах по синтезу Фишера-Тропша этилен димеризуют и смесь димеризации возвращают на стадию 12 разделения фракции C4.2. The method according to p. 1, characterized in that the ethylene contained in the Fischer-Tropsch olefins is dimerized and the dimerization mixture is returned to stage 12 for the separation of the C 4 fraction. 3. Способ по одному из пп. 1 или 2, отличающийся тем, что между стадией 12 разделения фракции C4 и стадией 2 олигомеризации предусматривают стадию 13 селективного гидрирования для удаления 1,3-бутадиена и/или молекулярное сито в качестве стадии 14 очистки.3. The method according to one of paragraphs. 1 or 2, characterized in that between the step 12 for separating the C 4 fraction and the oligomerization step 2, a selective hydrogenation step 13 is provided to remove 1,3-butadiene and / or a molecular sieve as a purification step 14. 4. Способ по одному из пп. 1-3, отличающийся тем, что из образовавшихся на стадии 2 олигомеризации и отводимых по линии 19 олигомеров получают отводимый по линии 4 дибутен и отводимый по линии 21 трибутен (додецен). 4. The method according to one of paragraphs. 1-3, characterized in that from the oligomerization formed in stage 2 and withdrawn through line 19, the oligomers discharged through line 4 are dibutene and tributene discharged through line 21 (dodecene). 5. Способ по п. 4, отличающийся тем, что отводимый по линии 4 дибутен на стадии 23 четкой ректификации разделяют на отводимый по линии 6 ди-н-бутен и отводимый по линии 24 ди-изобутен. 5. The method according to p. 4, characterized in that the dibutene discharged through line 4 at the stage of clear distillation 23 is divided into di-n-butene discharged through line 6 and di-isobutene discharged through line 24. 6. Способ по одному из пп. 1-4, отличающийся тем, что между стадией 12 разделения фракции C4 и стадией 13 селективного гидрирования предусматривают стадию 5 этерификации, на которой содержащийся в подаваемой по линии 1 фракции C4 изобутен подвергают взаимодействию с подаваемым по линии 25 спиртом с получением отводимого по линии 26 алкил-трет-бутилового эфира и лишь оставшийся н-бутен олигомеризуют на стадии 2 олигомеризации, так что в качестве отводимого по линии 4 дибутена образуется исключительно ди-н-бутен, отводимый по линии 6.6. The method according to one of paragraphs. 1-4, characterized in that between the step of separating fraction C 12 4 and 13 to the selective hydrogenation step include the step of esterification is 5, which is contained in the supplied via line 1 to C 4 fraction is reacted with isobutene fed via line 25 to obtain an alcohol withdrawn via line 26 of alkyl tert-butyl ether and only the remaining n-butene are oligomerized in stage 2 of oligomerization, so that exclusively di-n-butene formed along line 6 is formed as the dibutene withdrawn from line 4. 7. Способ по одному из пп. 1 - 6, отличающийся тем, что имеется стадия 27 изомеризации, на которой непрореагировавшийся на стадии 2 олигомеризации н-бутен изомеризуют до изобутена, который подают на стадию 5 этерификации. 7. The method according to one of paragraphs. 1 to 6, characterized in that there is a stage 27 isomerization, in which unreacted at stage 2 of the oligomerization of n-butene isomerized to isobutene, which is fed to stage 5 of esterification. 8. Применение полученных путем способа по одному из пп. 1 - 7 алкил-трет-бутиловых эфиров, отводимых по линии 26, в качестве присадки к автомобильному бензину. 8. The use of the method obtained according to one of claims. 1 to 7 alkyl tert-butyl ethers discharged via line 26 as an additive to motor gasoline. 9. Применение полученного путем способа по одному из пп. 1-7 ди-н-бутена, отводимого по линии 6, или ди-изо-бутена, отводимого по линии 24, для получения нонанолов путем гидроформилирования и гидрирования продукта гидроформилирования. 9. The use of the method obtained according to one of claims. 1-7 di-n-butene discharged along line 6 or di-iso-butene discharged along line 24 to produce nonanols by hydroformylation and hydrogenation of the hydroformylation product. 10. Применение полученного путем способа по одному из пп. 1-7 трибутена, отводимого по линии 21, для получения компонентов для моющих средств путем гидроформилирования, гидрирования продукта гидроформилирования и оксэтилирования продукта гидрирования. 10. The use of the method obtained according to one of claims. 1-7 tributene discharged along line 21 to obtain components for detergents by hydroformylation, hydrogenation of the hydroformylation product, and oxyethylation of the hydrogenation product.
RU97112631/04A 1996-07-24 1997-07-23 Butene oligomer production utilizing fischer-tropsch synthesis olefins RU2189372C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19629906A DE19629906A1 (en) 1996-07-24 1996-07-24 Flexible production of butene oligomers and alkyl tertiary butyl ether(s) from Fischer-Tropsch olefin(s)
DE19629906.3 1996-07-24

Publications (2)

Publication Number Publication Date
RU97112631A true RU97112631A (en) 1999-05-27
RU2189372C2 RU2189372C2 (en) 2002-09-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
RU97112631/04A RU2189372C2 (en) 1996-07-24 1997-07-23 Butene oligomer production utilizing fischer-tropsch synthesis olefins

Country Status (5)

Country Link
US (1) US5994601A (en)
AU (1) AU725208B2 (en)
DE (1) DE19629906A1 (en)
RU (1) RU2189372C2 (en)
ZA (1) ZA976524B (en)

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