RU94007639A - METHOD FOR REGENERATION OF A PROCESSED CATALYST BASED ON FLUORINATED SULF ACID - Google Patents

METHOD FOR REGENERATION OF A PROCESSED CATALYST BASED ON FLUORINATED SULF ACID

Info

Publication number
RU94007639A
RU94007639A RU94007639/04A RU94007639A RU94007639A RU 94007639 A RU94007639 A RU 94007639A RU 94007639/04 A RU94007639/04 A RU 94007639/04A RU 94007639 A RU94007639 A RU 94007639A RU 94007639 A RU94007639 A RU 94007639A
Authority
RU
Russia
Prior art keywords
acid
regeneration
fluorinated
catalyst based
distillation
Prior art date
Application number
RU94007639/04A
Other languages
Russian (ru)
Other versions
RU2120334C1 (en
Inventor
Ивар Хоммельтофт Свен
Original Assignee
Хальдор Топсеэ А/С
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 DK028793A external-priority patent/DK170019B1/en
Application filed by Хальдор Топсеэ А/С filed Critical Хальдор Топсеэ А/С
Publication of RU94007639A publication Critical patent/RU94007639A/en
Application granted granted Critical
Publication of RU2120334C1 publication Critical patent/RU2120334C1/en

Links

Claims (1)

Объектом изобретения является способ регенерации отработанного катализатора на основе фторированной сульфокислоты, применяемого для алкилирования углеводородов в неподвижном слое, включающий стадии перегонки, смешивания с являющейся донором протонов кислотой и отделения кислотного катализатора от смеси, причем смешивание осуществляют перед отгонкой, при этом смешиванию с являющейся донором протонов кислотой подвергают смолистый остаток, образующийся во время алкилирования, а при перегонке осуществляют отгонку из смеси кислотного катализатора в газообразной форме в присутствии инертного носителя при температуре 0 - 200°С и давлении 0,001 - 1 атм с последующим отделением кислотного катализатора от инертного носителя.The object of the invention is a method of regeneration of spent catalyst based on fluorinated sulfonic acid used for alkylation of hydrocarbons in a fixed bed, including the stage of distillation, mixing with acid that is a donor of protons and separation of acid catalyst from mixture, and mixing is carried out before distillation the resinous residue formed during the alkylation is subjected to acid, and the distillation is carried out catalyst in gaseous form in the presence of an inert medium at a temperature of 0 - 200 ° C and a pressure of 0.001 - 1 atm, followed by separation of acid catalyst from the inert carrier.
RU94007639A 1993-03-12 1994-03-11 Method of regenerating exhausted hydrocarbon-alkylation catalyst based on fluorinated sulfonic acid RU2120334C1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK0287/93 1993-03-12
DK028793A DK170019B1 (en) 1993-03-12 1993-03-12 Process for recovery of spent fluorinated sulfonic acid catalyst from an alkylation process

Publications (2)

Publication Number Publication Date
RU94007639A true RU94007639A (en) 1995-11-10
RU2120334C1 RU2120334C1 (en) 1998-10-20

Family

ID=8091859

Family Applications (1)

Application Number Title Priority Date Filing Date
RU94007639A RU2120334C1 (en) 1993-03-12 1994-03-11 Method of regenerating exhausted hydrocarbon-alkylation catalyst based on fluorinated sulfonic acid

Country Status (5)

Country Link
EP (1) EP0614699B1 (en)
JP (1) JP3495407B2 (en)
DE (1) DE69403512T2 (en)
DK (1) DK170019B1 (en)
RU (1) RU2120334C1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK173114B1 (en) * 1994-06-02 2000-01-31 Topsoe Haldor As Process for recovery of spent sulfonic acid catalyst and use of the process
EP0976451A1 (en) * 1998-07-31 2000-02-02 Haldor Topsoe A/S Process for the recovery of perfluorinated sulphonic acids from spent acid
EP1044963A3 (en) * 1999-03-30 2001-05-16 Haldor Topsoe A/S Process for the recovery of perfluorinated sulphonic acids from spent acid
ES2233241T3 (en) * 1999-06-30 2005-06-16 Haldor Topsoe A/S PROCESS FOR THE RECOVERY OF PERFORMED ACIDS FROM WATER SOLUTIONS.
US8912111B2 (en) 2012-08-07 2014-12-16 Uop Llc Process for catalyst recovery and optional recycle in a slurry hydrocracking process
CN103073458B (en) * 2013-01-10 2014-11-19 广州智特奇生物科技股份有限公司 Method for recovering trifluoromethanesulfonic acid in wastewater

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096199A (en) * 1977-02-28 1978-06-20 Exxon Research & Engineering Co. Process for regenerating fluorosulfuric acid catalyst
JPS59210041A (en) * 1983-05-13 1984-11-28 Daicel Chem Ind Ltd Method for recovering acetic acid
DK168520B1 (en) * 1989-12-18 1994-04-11 Topsoe Haldor As Process for liquid phase alkylation of a hydrocarbon with an olefin alkylating agent
US5100850A (en) * 1991-05-03 1992-03-31 Eastman Kodak Company Oxidative secondary rhodium recovery process

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