SU758709A1 - METHOD OF OBTAINING DIEN HYDROCARBONS - Google Patents
METHOD OF OBTAINING DIEN HYDROCARBONSInfo
- 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
Links
Landscapes
- Catalysts (AREA)
- 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.
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) |
-
1979
- 1979-01-18 SU SU2740625/04A patent/SU758709A1/en active
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