RU93046139A - METHOD FOR PRODUCING LIGHT OLEFINS - Google Patents

METHOD FOR PRODUCING LIGHT OLEFINS

Info

Publication number
RU93046139A
RU93046139A RU93046139/04A RU93046139A RU93046139A RU 93046139 A RU93046139 A RU 93046139A RU 93046139/04 A RU93046139/04 A RU 93046139/04A RU 93046139 A RU93046139 A RU 93046139A RU 93046139 A RU93046139 A RU 93046139A
Authority
RU
Russia
Prior art keywords
light olefins
producing light
isobutylene
yield
temperature
Prior art date
Application number
RU93046139/04A
Other languages
Russian (ru)
Other versions
RU2053990C1 (en
Inventor
А.В. Демидов
И.Г. Данилова
А.С. Иванова
А.А. Давыдов
Original Assignee
Институт катализа им.Г.К.Борескова СО РАН
Filing date
Publication date
Application filed by Институт катализа им.Г.К.Борескова СО РАН filed Critical Институт катализа им.Г.К.Борескова СО РАН
Priority to RU93046139A priority Critical patent/RU2053990C1/en
Priority claimed from RU93046139A external-priority patent/RU2053990C1/en
Application granted granted Critical
Publication of RU2053990C1 publication Critical patent/RU2053990C1/en
Publication of RU93046139A publication Critical patent/RU93046139A/en

Links

Claims (1)

Изобретение касается производства низших олефинов, таких как изобутилен, пропилен и может быть использовано в нефтехимии. Для увеличения выхода олефинов при дегидрировании соответствующих парафинов в присутствии диоксида серы и катализатора процесс ведут на коксовых отложениях, образующихся при обработке кремнийсодержащих носителей C3 - C4 парафинами или их смесью с диоксидом серы при температуре 650 - 750oC, и составляющих 3 - 40% от массы носителя. При проведении процесса при температуре 550 - 680oC и времени контакта 2 - 20 с способ обеспечивает выход изобутилена 43 - 76% при селективности 65 - 85% и конверсии изобутана 60 - 90%.The invention relates to the production of lower olefins, such as isobutylene, propylene and can be used in petrochemicals. To increase the yield of olefins during the dehydrogenation of the corresponding paraffins in the presence of sulfur dioxide and a catalyst, the process is conducted on coke deposits formed during the processing of silicon-containing carriers C 3 - C 4 with paraffins or their mixture with sulfur dioxide at a temperature of 650 - 750 o C, and components 3 - 40 % by weight of the carrier. When carrying out the process at a temperature of 550 - 680 o C and a contact time of 2 - 20 s, the method provides an isobutylene yield of 43 - 76% with a selectivity of 65 - 85% and an isobutane conversion of 60 - 90%.
RU93046139A 1993-09-29 1993-09-29 Method for production of light olefins RU2053990C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU93046139A RU2053990C1 (en) 1993-09-29 1993-09-29 Method for production of light olefins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU93046139A RU2053990C1 (en) 1993-09-29 1993-09-29 Method for production of light olefins

Publications (2)

Publication Number Publication Date
RU2053990C1 RU2053990C1 (en) 1996-02-10
RU93046139A true RU93046139A (en) 1996-12-10

Family

ID=20147830

Family Applications (1)

Application Number Title Priority Date Filing Date
RU93046139A RU2053990C1 (en) 1993-09-29 1993-09-29 Method for production of light olefins

Country Status (1)

Country Link
RU (1) RU2053990C1 (en)

Similar Documents

Publication Publication Date Title
NO922209D0 (en) PROCEDURE FOR ISOMERIZATION OF OLEFINES
ATE228156T1 (en) PRODUCTION OF OLEFINS
ATE228157T1 (en) PRODUCTION OF OLEFINS
DE69815149D1 (en) MANUFACTURE OF OLEFINS
MX7465E (en) IMPROVED PROCEDURE FOR OBTAINING CATALYSTS OR CATALYST SUPPORTS BASED ON TITANIUM OXIDE FOR THE CLAUS PROCESS OF SULFUR SYNTHESIS
ATE244288T1 (en) PRODUCTION OF OLEFINS
KR930007504A (en) Paraffin alkylation catalyst
US4407731A (en) Preparation of metal oxide-supported boron fluoride catalysts
DE3464482D1 (en) Process for the recovery of 1-butene from mixtures of hydrocarbons containing 2-butenes
IT1080630B (en) PROCESS FOR THE PREPARATION OF ALPHA ALDEHYDES, BETA-UNSATURES FROM OLEFINS WITH HIGH YIELD AND LIMITED FORMATION OF BY-PRODUCTS
RU93046139A (en) METHOD FOR PRODUCING LIGHT OLEFINS
US2879300A (en) Production of unsaturated carbonyl compounds
US2375687A (en) Process for producing beta-olefins
IT7831041A0 (en) PROCESS FOR THE PURIFICATION OF OLEFINS.
DE3578957D1 (en) CATALYTIC DEHYDRATION METHOD WITH RETURN OF THE BUTADIENE formed.
JPS5824350A (en) Isomerization catalyst and production thereof
RU2053990C1 (en) Method for production of light olefins
JPS5587727A (en) Removal of acetylene compound from olefin
GB1116243A (en) Disproportionation process
JPS5214601A (en) Process for the thermal decomposition of heavy hydrocarbons
IT1232961B (en) PROCESS FOR THE SYNTHESIS OF INTERNAL OLEFINE OLIGOMERS
SU852932A1 (en) Method of producing olefinic hydrocarbons
JPS59123534A (en) Catalyst for isomerization of olefin
JPS5337627A (en) Preparation of p-t-butylphenol of high purity
RU93001693A (en) METHOD OF OBTAINING DIETHYLIDROXYLAMINE