BE672305A - - Google Patents

Info

Publication number
BE672305A
BE672305A BE672305DA BE672305A BE 672305 A BE672305 A BE 672305A BE 672305D A BE672305D A BE 672305DA BE 672305 A BE672305 A BE 672305A
Authority
BE
Belgium
Application number
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.)
Publication of BE672305A publication Critical patent/BE672305A/xx

Links

Classifications

    • 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
    • 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)
BE672305D 1962-05-18 BE672305A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US195710A US3230157A (en) 1962-05-18 1962-05-18 Isoprene purification process

Publications (1)

Publication Number Publication Date
BE672305A true BE672305A (xx)

Family

ID=22722460

Family Applications (1)

Application Number Title Priority Date Filing Date
BE672305D BE672305A (xx) 1962-05-18

Country Status (2)

Country Link
US (1) US3230157A (xx)
BE (1) BE672305A (xx)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
DE1248202B (de) * 1963-08-28 1967-08-24 Bayer Ag Verfahren zur Reinigung von selektiven Loesungsmitteln
GB983783A (en) * 1963-10-25 1965-02-17 Shell Int Research Process for the removal of alkynes from hydrocarbon mixtures containing alkadienes
US3328479A (en) * 1965-10-04 1967-06-27 Mobil Oil Corp Purifying diolefins by selective hydrogenation and distillation
GB1137268A (en) * 1965-11-17 1968-12-18 Japan Gas Chemical Co Process for recovering highly pure isoprene
SE353078B (xx) * 1965-12-30 1973-01-22 Japanese Geon Co Ltd
US3439060A (en) * 1966-06-21 1969-04-15 Goodyear Tire & Rubber Selective removal of cyclopentadiene from a mixture containing at least one other hydrocarbon
US3436436A (en) * 1966-09-20 1969-04-01 Nippon Zeon Co Method for separation of conjugated diolefin by back wash in extractive distillation
US3492366A (en) * 1967-03-17 1970-01-27 Goodyear Tire & Rubber Removal of trace amounts of cyclopentadiene from isoprene by fluidbed adsorbent
DE1668015A1 (de) * 1967-09-05 1971-07-15 Bayer Ag Verfahren zur Gewinnung von Isopren aus im wesentlichen paraffin- und olefinfreien C5-Fraktionen
DE1668017A1 (de) * 1967-09-06 1971-07-22 Bayer Ag Verfahren zur Rein-Darstellung von Isopren
US3496069A (en) * 1967-11-09 1970-02-17 Petro Tex Chem Corp Purification of unsaturated hydrocarbons by extractive distillation with recycle of stripper overhead
US4140587A (en) * 1969-07-18 1979-02-20 Snamprogetti, S.P.A. Process for the separation of diolefins from mixtures containing the same
AU468106B2 (en) * 1970-12-29 1976-01-08 Snamprogetti S.P.A. Process forthe recovery of isophrene from mixtures containing thesame
BE787944A (fr) * 1971-08-26 1973-02-26 Shell Int Research Procede de recuperation d'isoprene
AR204413A1 (es) * 1974-04-03 1976-02-06 Goodyear Tire & Rubber Metodo para recuperar isopreno
US4054613A (en) * 1975-10-20 1977-10-18 Phillips Petroleum Company Butadiene production and purification
US4128457A (en) * 1977-03-09 1978-12-05 Societa' Italiana Resine S.I.R. S.P.A. Process for the separation of butadiene by plural stage extractive distillation
JPS56128724A (en) * 1980-03-15 1981-10-08 Japan Synthetic Rubber Co Ltd Purification of butadiene or isoprene
CN101798255B (zh) * 2009-02-11 2013-04-24 中国石油天然气股份有限公司 一种乙腈分离石油裂解碳五馏分中双烯烃的方法
US20110178349A1 (en) * 2010-01-20 2011-07-21 Anzick Robert Kenneth Method of treating a hydrocarbon stream comprising cyclopentadiene and one or more diolefins
EP3233772B1 (en) * 2014-12-18 2021-04-21 SABIC Global Technologies B.V. Isoprene extraction with preserved c5 feedstock
US10836691B2 (en) * 2015-09-22 2020-11-17 Fina Technology, Inc. Upgrading a C5 olefin stream

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2426705A (en) * 1942-12-29 1947-09-02 Standard Oil Dev Co Recovery of isoprene by fractionation and extractive distillation
US2459403A (en) * 1944-07-20 1949-01-18 Standard Oil Dev Co Segregation of c5 hydrocarbons by extractive and azeotropic distillation
US2534013A (en) * 1945-06-28 1950-12-12 Standard Oil Dev Co Distilling polymer-forming hydrocarbons and removing polymer from distillation equipment
US2971036A (en) * 1958-09-17 1961-02-07 Exxon Research Engineering Co Recovery of isoprene by fractionation and extractive distillation
US3012947A (en) * 1959-06-15 1961-12-12 Exxon Research Engineering Co Recovery of high purity isoprene from light steam cracked distillate
US3059037A (en) * 1959-09-01 1962-10-16 Exxon Research Engineering Co Extractive distillation process

Also Published As

Publication number Publication date
US3230157A (en) 1966-01-18

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