SU571469A1 - Способ очистки растворителей - Google Patents

Способ очистки растворителей

Info

Publication number
SU571469A1
SU571469A1 SU7201816977A SU1816977A SU571469A1 SU 571469 A1 SU571469 A1 SU 571469A1 SU 7201816977 A SU7201816977 A SU 7201816977A SU 1816977 A SU1816977 A SU 1816977A SU 571469 A1 SU571469 A1 SU 571469A1
Authority
SU
USSR - Soviet Union
Prior art keywords
column
water
solvent
dmf
hydrocarbons
Prior art date
Application number
SU7201816977A
Other languages
English (en)
Russian (ru)
Inventor
Штайнбрехер Мартин
Хебель Ханс
Бюнер Рольф-Дирк
Шак Вольфрам
Original Assignee
Феб Лойна-Верке "Вальтер Ульбрихт" (Инопредприятие)
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 Феб Лойна-Верке "Вальтер Ульбрихт" (Инопредприятие) filed Critical Феб Лойна-Верке "Вальтер Ульбрихт" (Инопредприятие)
Application granted granted Critical
Publication of SU571469A1 publication Critical patent/SU571469A1/ru

Links

Landscapes

  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
SU7201816977A 1971-08-02 1972-08-01 Способ очистки растворителей SU571469A1 (ru)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD15688071 1971-08-02

Publications (1)

Publication Number Publication Date
SU571469A1 true SU571469A1 (ru) 1977-09-05

Family

ID=5484152

Family Applications (1)

Application Number Title Priority Date Filing Date
SU7201816977A SU571469A1 (ru) 1971-08-02 1972-08-01 Способ очистки растворителей

Country Status (5)

Country Link
BG (1) BG24082A1 (hu)
CS (1) CS177928B1 (hu)
EG (1) EG10431A (hu)
HU (1) HU167932B (hu)
SU (1) SU571469A1 (hu)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1053881C (zh) * 1996-03-20 2000-06-28 中国石油化工总公司 一种裂解碳五馏份的分离方法
CN100432045C (zh) * 2005-12-26 2008-11-12 山东玉皇化工有限公司 碳五萃取解析后n,n-二甲基甲酰胺的再生方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1053881C (zh) * 1996-03-20 2000-06-28 中国石油化工总公司 一种裂解碳五馏份的分离方法
CN100432045C (zh) * 2005-12-26 2008-11-12 山东玉皇化工有限公司 碳五萃取解析后n,n-二甲基甲酰胺的再生方法

Also Published As

Publication number Publication date
HU167932B (hu) 1976-01-28
BG24082A1 (en) 1978-01-10
EG10431A (en) 1976-03-31
CS177928B1 (hu) 1977-08-31

Similar Documents

Publication Publication Date Title
US6337429B1 (en) Method for separating a C4-hydrocarbon mixture
NO150717B (no) Fremgangsmaate til fremstilling av syntesegass
US3317627A (en) High purity alkadienes by extractive distillation
US3860496A (en) Process for the recovery of isoprene from mixtures containing the same
US4081332A (en) Extractive distillation of C5 hydrocarbons using acetonitrile and additives
US4038156A (en) Butadiene recovery process
US3686349A (en) Process for recovering cyclopentene, isoprene and a diolefin stream from the c{11 -cut obtained by petroleum cracking
US3000794A (en) Extractive distillation of vinyl acetylene in the purification of butadiene
US4128457A (en) Process for the separation of butadiene by plural stage extractive distillation
JP4243246B2 (ja) 粗−１，３−ブタジエンの後処理法
SU485588A3 (ru) Способ выделени ароматических углеводородов из углеводородных смесей
SU571469A1 (ru) Способ очистки растворителей
KR20140109400A (ko) 선택성 용매를 사용하는 추출 증류 공정을 위한 공급 스트림으로서의 증기상의 정제된 조 c4 분획을 제공하는 방법
US2388040A (en) Process for recovering toluene
US2461346A (en) Separation of hydrocarbons
US2409250A (en) Separation of butadiene
US4018843A (en) Process for the obtaining of isobutylene of high purity
US2911452A (en) Process for separating butylenes from butanes
JPH0413330B2 (hu)
US3436437A (en) Process for recovering high purity isoprene by extractive distillation with methoxypropionitrile
DK147279B (da) Fremgangsmaade til ekstraktion af aromatiske carbonhydrider fra carbonhydridblandinger
CN110418777B (zh) 分离纯1,3-丁二烯的简化方法
US3350283A (en) Extractive distillation of hydrocarbon mixtures of varying unsaturation
US2397839A (en) Process for the recovery of toluene
US2386755A (en) Purification of hydrocarbons by azeotropic distillation