JPS552414B2 - - Google Patents

Info

Publication number
JPS552414B2
JPS552414B2 JP8414572A JP8414572A JPS552414B2 JP S552414 B2 JPS552414 B2 JP S552414B2 JP 8414572 A JP8414572 A JP 8414572A JP 8414572 A JP8414572 A JP 8414572A JP S552414 B2 JPS552414 B2 JP S552414B2
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Expired
Application number
JP8414572A
Other versions
JPS4832805A (ja
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 filed Critical
Publication of JPS4832805A publication Critical patent/JPS4832805A/ja
Publication of JPS552414B2 publication Critical patent/JPS552414B2/ja
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/005—Processes comprising at least two steps in series
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/04—Purification; Separation; Use of additives by distillation
    • C07C7/05—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds
    • C07C7/08—Purification; Separation; Use of additives by distillation with the aid of auxiliary compounds by extractive distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP8414572A 1971-08-26 1972-08-24 Expired JPS552414B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US17523371A 1971-08-26 1971-08-26

Publications (2)

Publication Number Publication Date
JPS4832805A JPS4832805A (ja) 1973-05-02
JPS552414B2 true JPS552414B2 (ja) 1980-01-19

Family

ID=22639485

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8414572A Expired JPS552414B2 (ja) 1971-08-26 1972-08-24

Country Status (9)

Country Link
US (1) US3775259A (ja)
JP (1) JPS552414B2 (ja)
BE (1) BE787944A (ja)
CA (1) CA997296A (ja)
DE (1) DE2241568C2 (ja)
FR (1) FR2150477B1 (ja)
GB (1) GB1344219A (ja)
IT (1) IT964249B (ja)
NL (1) NL173634C (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770421U (ja) * 1980-10-17 1982-04-28

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4081332A (en) * 1976-08-27 1978-03-28 The B. F. Goodrich Company Extractive distillation of C5 hydrocarbons using acetonitrile and additives
JPS5730658A (en) * 1980-07-28 1982-02-18 Hitachi Ltd Controller for motor blower
JPS5879932A (ja) * 1981-11-06 1983-05-13 Japan Synthetic Rubber Co Ltd ブタジエン又はイソプレンの精製方法
DE3338269A1 (de) * 1983-10-21 1985-05-02 Basf Ag, 6700 Ludwigshafen Verfahren zur gewinnung von isopren aus einem c(pfeil abwaerts)5(pfeil abwaerts)-kohlenwasserstoffgemisch
DE4109632A1 (de) * 1991-03-23 1992-09-24 Krupp Koppers Gmbh Verfahren zur abtrennung von aromaten durch extraktivdestillation
US20110178349A1 (en) * 2010-01-20 2011-07-21 Anzick Robert Kenneth Method of treating a hydrocarbon stream comprising cyclopentadiene and one or more diolefins
US9440947B2 (en) * 2012-02-26 2016-09-13 Amt International, Inc. Regeneration of selective solvents for extractive processes
AR101431A1 (es) 2013-06-05 2016-12-21 Gtc Technology Us Llc Proceso y aparatos para separar di-olefinas c₅ de naftas de pirólisis
US9981889B2 (en) 2013-08-22 2018-05-29 General Electric Company Use of diethylenetriamine as a CS2 scavenger in isoprene production
US10065907B2 (en) * 2014-12-18 2018-09-04 Sabic Global Technologies B.V. Isoprene extraction with preserved C5 feedstock
CN113426151A (zh) * 2021-07-26 2021-09-24 常州乐研分离技术有限公司 一种碳纤维生产过程中溶剂dmso精馏回收工艺的装置及方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012947A (en) * 1959-06-15 1961-12-12 Exxon Research Engineering Co Recovery of high purity isoprene from light steam cracked distillate
BE672305A (ja) * 1962-05-18
DE1211738B (de) * 1962-12-22 1966-03-03 Erdoelchemie Gmbh Verfahren zur Trennung von C-Kohlenwasserstoffgemischen, die paraffinische, monoolefinische und diolefinische C-Kohlen-wasserstoffe enthalten
DE1668017A1 (de) * 1967-09-06 1971-07-22 Bayer Ag Verfahren zur Rein-Darstellung von Isopren
US3496070A (en) * 1967-11-09 1970-02-17 Petro Tex Chem Corp Purification of unsaturated hydrocarbons by extractive distillation with addition of liquid solvent to stripper overhead

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5770421U (ja) * 1980-10-17 1982-04-28

Also Published As

Publication number Publication date
NL7211537A (ja) 1973-02-28
FR2150477B1 (ja) 1976-10-29
FR2150477A1 (ja) 1973-04-06
DE2241568C2 (de) 1983-03-17
JPS4832805A (ja) 1973-05-02
IT964249B (it) 1974-01-21
CA997296A (en) 1976-09-21
US3775259A (en) 1973-11-27
NL173634C (nl) 1984-02-16
DE2241568A1 (de) 1973-03-08
BE787944A (fr) 1973-02-26
GB1344219A (en) 1974-01-16

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