RU2224735C1 - Olefin hydrocarbon production process - Google Patents
Olefin hydrocarbon production process Download PDFInfo
- Publication number
- RU2224735C1 RU2224735C1 RU2002128898/04A RU2002128898A RU2224735C1 RU 2224735 C1 RU2224735 C1 RU 2224735C1 RU 2002128898/04 A RU2002128898/04 A RU 2002128898/04A RU 2002128898 A RU2002128898 A RU 2002128898A RU 2224735 C1 RU2224735 C1 RU 2224735C1
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- RU
- Russia
- Prior art keywords
- contact gas
- heat
- catalyst
- water
- condensate
- Prior art date
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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
- Y02P20/584—Recycling of catalysts
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
FIELD: petrochemical processes. SUBSTANCE: paraffin hydrocarbons are dehydrogenated in fluidized bed of powder-like alumino-chromium catalyst circulating within reactor-regenerator circuit. Process comprises: preparation of mixture from forward and recycle streams of paraffin hydrocarbons; vaporization of the mixture; heating resulting vapors at the expense of contact gas heat and overheating them in furnace followed by routing them to hydrogenation; cooling contact gas in exhaust-heat boiler at the expense of water condensate vaporization and in water-irrigation scrubber; compressing cooled contact gas; condensation and rectification-mediated isolation of paraffin and olefin hydrocarbon fractions from hydrocarbon condensate utilizing heat of water steam escaping exhaust-heat boilers. In addition, contact gas temperature is further lowered to 125-180 C by cooling contact gas with water condensate on heat-exchange apparatuses installed after exhaust-heat boiler. Once obtained, hot water condensate is conveyed to feed exhaust-heat boiler and, when low-parameter water steam is obtained, it is fed on heaters of rectification columns. Cooled gas is fed into irrigation scrubber. EFFECT: lowered raw material and catalyst losses and reduced power consumption. 3 cl, 1 dwg, 10 ex
Description
Текст описания в факсимильном виде (см. графическую часть)х Description text in facsimile form (see graphic part) x
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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RU2002128898/04A RU2224735C1 (en) | 2002-10-28 | 2002-10-28 | Olefin hydrocarbon production process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2002128898/04A RU2224735C1 (en) | 2002-10-28 | 2002-10-28 | Olefin hydrocarbon production process |
Publications (2)
Publication Number | Publication Date |
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RU2224735C1 true RU2224735C1 (en) | 2004-02-27 |
RU2002128898A RU2002128898A (en) | 2004-04-27 |
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Family Applications (1)
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RU2002128898/04A RU2224735C1 (en) | 2002-10-28 | 2002-10-28 | Olefin hydrocarbon production process |
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RU (1) | RU2224735C1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017105283A1 (en) * | 2015-12-14 | 2017-06-22 | Акционерное общество "Специальное конструкторско-технологическое бюро "Катализатор" | Method for producing с3 -с5 olefinic hydrocarbons |
WO2019045600A1 (en) * | 2017-08-30 | 2019-03-07 | Акционерное общество "Специальное конструкторско-технологическое бюро "Катализатор" | Process layout of a plant for the dehydrogenation of с3-с5 paraffin hydrocarbons (variants) |
RU2759288C1 (en) * | 2020-12-23 | 2021-11-11 | Публичное Акционерное Общество "Нижнекамскнефтехим" | Method for producing olefinic hydrocarbons in a fluidized bed of a pulverized chromium alumina catalyst |
WO2023244939A1 (en) * | 2022-06-14 | 2023-12-21 | Dow Global Technologies Llc | Methods for making light olefins by dehydrogenation that utilize combustion additives |
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2002
- 2002-10-28 RU RU2002128898/04A patent/RU2224735C1/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
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КИРПИЧНИКОВ П.А. и др. Альбом технологических схем основных производств промышленности синтетического каучука. - Л.: Химия, 1986, с. 8-14, 70-74. * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017105283A1 (en) * | 2015-12-14 | 2017-06-22 | Акционерное общество "Специальное конструкторско-технологическое бюро "Катализатор" | Method for producing с3 -с5 olefinic hydrocarbons |
CN108368000A (en) * | 2015-12-14 | 2018-08-03 | 特殊设计和工程局卡塔利扎托尔股份公司 | For producing C3To C5The method of alkene |
WO2019045600A1 (en) * | 2017-08-30 | 2019-03-07 | Акционерное общество "Специальное конструкторско-технологическое бюро "Катализатор" | Process layout of a plant for the dehydrogenation of с3-с5 paraffin hydrocarbons (variants) |
CN110740984A (en) * | 2017-08-30 | 2020-01-31 | 特殊设计和工程局卡塔利扎托尔股份公司 | Process layout (variants) of a plant for the dehydrogenation of C3-C5 paraffins |
RU2759288C1 (en) * | 2020-12-23 | 2021-11-11 | Публичное Акционерное Общество "Нижнекамскнефтехим" | Method for producing olefinic hydrocarbons in a fluidized bed of a pulverized chromium alumina catalyst |
WO2023244939A1 (en) * | 2022-06-14 | 2023-12-21 | Dow Global Technologies Llc | Methods for making light olefins by dehydrogenation that utilize combustion additives |
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MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20051029 |