SU758709A1 - METHOD OF OBTAINING DIEN HYDROCARBONS - Google Patents

METHOD OF OBTAINING DIEN HYDROCARBONS

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Publication number
SU758709A1
SU758709A1 SU2740625/04A SU2740625A SU758709A1 SU 758709 A1 SU758709 A1 SU 758709A1 SU 2740625/04 A SU2740625/04 A SU 2740625/04A SU 2740625 A SU2740625 A SU 2740625A SU 758709 A1 SU758709 A1 SU 758709A1
Authority
SU
USSR - Soviet Union
Prior art keywords
chromic anhydride
catalyst
hydrocarbons
dien
obtaining
Prior art date
Application number
SU2740625/04A
Other languages
Russian (ru)
Inventor
А.Г. Лиакумович
А.П. Шубина
Э.И. Аблякимов
Е.М. Давыдов
Н.В. Лемаев
Е.Л. Осовский
С.В. Трифонов
А.П. Ворожейкин
П.А. Вернов
Ю.Н. Милославский
П.А. Кирпичников
Original Assignee
А.Г. Лиакумович
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
Application filed by А.Г. Лиакумович filed Critical А.Г. Лиакумович
Priority to SU2740625/04A priority Critical patent/SU758709A1/en
Application granted granted Critical
Publication of SU758709A1 publication Critical patent/SU758709A1/en

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  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

1. Способ получения диеновых углеводородов дегидрированием олефинов на хромкальцийникельфосфатном катализаторе при повышенной температуре в присутствии водяного пара с последующей регенерацией катализатора путем выжига кокса паровоздушной смесью с периодической подачей в реактор хромового ангидрида в виде водного раствора, отличающийся тем, что, с целью повышения выхода целевого продукта и селективности процесса, хромовый ангидрид вводят в реактор по окончании выжига кокса.2. Способ по п.1, отличающийся тем, что хромовой ангидрид вводят в количестве 0,5-5,0 г на 1 мкатализатора.3. Способ по пп.1 и 2, отличающийся тем, что вводят водный раствор хромового ангидрида, дополнительно содержащий аммиак в количестве 1,25-2,1 г на 1 мкатализатора.4. Способ по п.1, отличающийся тем, что процесс проводят при температуре 600-630C.1. A method of producing diene hydrocarbons by dehydrating olefins on a chromium-nickel-phosphate catalyst at elevated temperature in the presence of water vapor, followed by catalyst regeneration by burning coke with an air-steam mixture with a periodic supply of chromic anhydride to the reactor as an aqueous solution, in order and the selectivity of the process, chromic anhydride is introduced into the reactor at the end of the burning of coke. The method according to claim 1, characterized in that chromic anhydride is injected in an amount of 0.5-5.0 g per 1 μcatalyst. The method according to claims 1 and 2, characterized in that an aqueous solution of chromic anhydride is injected, additionally containing ammonia in the amount of 1.25-2.1 g per 1 μ catalyst. The method according to claim 1, characterized in that the process is carried out at a temperature of 600-630C.

SU2740625/04A 1979-01-18 1979-01-18 METHOD OF OBTAINING DIEN HYDROCARBONS SU758709A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU2740625/04A SU758709A1 (en) 1979-01-18 1979-01-18 METHOD OF OBTAINING DIEN HYDROCARBONS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU2740625/04A SU758709A1 (en) 1979-01-18 1979-01-18 METHOD OF OBTAINING DIEN HYDROCARBONS

Publications (1)

Publication Number Publication Date
SU758709A1 true SU758709A1 (en) 1999-07-20

Family

ID=60523263

Family Applications (1)

Application Number Title Priority Date Filing Date
SU2740625/04A SU758709A1 (en) 1979-01-18 1979-01-18 METHOD OF OBTAINING DIEN HYDROCARBONS

Country Status (1)

Country Link
SU (1) SU758709A1 (en)

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