SU849717A1 - METHOD FOR PREVENTING THE THERMO POLYMERIZATION OF DIEN HYDROCARBONS - Google Patents
METHOD FOR PREVENTING THE THERMO POLYMERIZATION OF DIEN HYDROCARBONSInfo
- Publication number
- SU849717A1 SU849717A1 SU2901925/04A SU2901925A SU849717A1 SU 849717 A1 SU849717 A1 SU 849717A1 SU 2901925/04 A SU2901925/04 A SU 2901925/04A SU 2901925 A SU2901925 A SU 2901925A SU 849717 A1 SU849717 A1 SU 849717A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- phenols
- mixture
- hydrocarbons
- sodium nitrite
- dien
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
1. Способ предотвращения термополимеризации диеновых углеводородов в процессе их выделения экстрактивной ректификацией путем введения в количестве 0,05-0,25% от массы диенового углеводорода ингибитора термополимеризации, содержащего нитрит натрия, отличающийся тем, что, с целью удешевления процесса и уменьшения забивки оборудования термополимером, используют ингибитор, дополнительно содержащий смесь фенолов, выделяемую из сточных вод процесса полукоксования углей, при весовом соотношении нитрит натрия: смесь фенолов, равном 1-2:1-6.2. Способ по п. 1, отличающийся тем, что процесс проводят при весовом соотношении нитрит натрия:смесь фенолов, равном 1-2:1.1. The way to prevent thermopolymerization of diene hydrocarbons in the process of their extraction with extractive distillation by introducing in an amount of 0.05-0.25% by weight of the diene hydrocarbon a thermopolymerization inhibitor containing sodium nitrite, characterized in that, in order to reduce the cost of the process and reduce the driving of equipment by thermopolymer , an inhibitor is used, which additionally contains a mixture of phenols emitted from the sewage of the semi-coking process of coal, with a weight ratio of sodium nitrite: a mixture of phenols equal to 1-2: 1-6.2. The method according to p. 1, characterized in that the process is carried out at a weight ratio of sodium nitrite: a mixture of phenols, equal to 1-2: 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2901925/04A SU849717A1 (en) | 1980-03-28 | 1980-03-28 | METHOD FOR PREVENTING THE THERMO POLYMERIZATION OF DIEN HYDROCARBONS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2901925/04A SU849717A1 (en) | 1980-03-28 | 1980-03-28 | METHOD FOR PREVENTING THE THERMO POLYMERIZATION OF DIEN HYDROCARBONS |
Publications (1)
Publication Number | Publication Date |
---|---|
SU849717A1 true SU849717A1 (en) | 1999-12-10 |
Family
ID=60523564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU2901925/04A SU849717A1 (en) | 1980-03-28 | 1980-03-28 | METHOD FOR PREVENTING THE THERMO POLYMERIZATION OF DIEN HYDROCARBONS |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU849717A1 (en) |
-
1980
- 1980-03-28 SU SU2901925/04A patent/SU849717A1/en active
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