SU743322A1 - METHOD OF SEPARATION OF FRACTIONS OF ADDITIONAL DEHYDROGENATION OF ISOPENTANE - Google Patents
METHOD OF SEPARATION OF FRACTIONS OF ADDITIONAL DEHYDROGENATION OF ISOPENTANEInfo
- Publication number
- SU743322A1 SU743322A1 SU2598221/04A SU2598221A SU743322A1 SU 743322 A1 SU743322 A1 SU 743322A1 SU 2598221/04 A SU2598221/04 A SU 2598221/04A SU 2598221 A SU2598221 A SU 2598221A SU 743322 A1 SU743322 A1 SU 743322A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- separation
- fractions
- isopentane
- dehydrogenation
- fraction
- Prior art date
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Способ разделения фракций Сдвустадийного дегидрирования изопентана, включающий разделение фракций Спервой стадии дегидрирования экстрактивной ректификацией с получением изопентановой фракции и изоамилен-изопреновой фракции с последующим разделением полученной изоамилен-изопреновой фракции совместно с фракцией Свторой стадии дегидрирования сочетанием обычной и экстрактивной ректификации с получением изопрена и пиперилена, отличающийся тем, что, с целью упрощения технологии процесса, изоамилен-изопреновую фракцию, полученную на первой стадии, и фракции Свторой стадии дегидрирования подвергают совместной ректификации с отбором в качестве дистиллята фракции, содержащей 0,5 - 20 мол.% 2-метил-2-бутена и в качестве кубового продукта фракции, содержащей основное количество 2-метил-2-бутена и пиперилена, с последующим выделением из полученных фракций экстрактивной ректификацией изопрена и пиперилена.The method of separation of the fractions of the dehydrogenation of isopentane, including the separation of fractions. The first step is to dehydrate the extract with the help of a pee the fact that, in order to simplify the process technology, the isoamylene-isoprene fraction obtained in The first stage, and the fraction. The second stage of dehydrogenation is subjected to a joint rectification with the selection as a distillate of a fraction containing 0.5 to 20 mol.% 2-methyl-2-butene and as a bottom product the fraction containing the main amount of 2-methyl-2- butene and piperylene, followed by separation from the obtained fractions by extractive distillation of isoprene and piperylene.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2598221/04A SU743322A1 (en) | 1978-03-06 | 1978-03-06 | METHOD OF SEPARATION OF FRACTIONS OF ADDITIONAL DEHYDROGENATION OF ISOPENTANE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU2598221/04A SU743322A1 (en) | 1978-03-06 | 1978-03-06 | METHOD OF SEPARATION OF FRACTIONS OF ADDITIONAL DEHYDROGENATION OF ISOPENTANE |
Publications (1)
Publication Number | Publication Date |
---|---|
SU743322A1 true SU743322A1 (en) | 2000-12-20 |
Family
ID=60523169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU2598221/04A SU743322A1 (en) | 1978-03-06 | 1978-03-06 | METHOD OF SEPARATION OF FRACTIONS OF ADDITIONAL DEHYDROGENATION OF ISOPENTANE |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU743322A1 (en) |
-
1978
- 1978-03-06 SU SU2598221/04A patent/SU743322A1/en active
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