SU743322A1 - METHOD OF SEPARATION OF FRACTIONS OF ADDITIONAL DEHYDROGENATION OF ISOPENTANE - Google Patents

METHOD OF SEPARATION OF FRACTIONS OF ADDITIONAL DEHYDROGENATION OF ISOPENTANE

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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
Application number
SU2598221/04A
Other languages
Russian (ru)
Inventor
Б.А. Сараев
В.В. Смирнов
С.Ю. Павлов
А.Н. Бушин
Т.А. Заикина
В.И. Бутин
И.М. Белгородский
А.А. Тараканов
В.А. Красильников
Н.В. Абрамов
Original Assignee
Б.А. Сараев
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 Б.А. Сараев filed Critical Б.А. Сараев
Priority to SU2598221/04A priority Critical patent/SU743322A1/en
Application granted granted Critical
Publication of SU743322A1 publication Critical patent/SU743322A1/en

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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.

SU2598221/04A 1978-03-06 1978-03-06 METHOD OF SEPARATION OF FRACTIONS OF ADDITIONAL DEHYDROGENATION OF ISOPENTANE SU743322A1 (en)

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

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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)

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