BE851832A - Procede d'obtention d'isobutylene d'une purete superieure a 99,5 % en poids - Google Patents

Procede d'obtention d'isobutylene d'une purete superieure a 99,5 % en poids

Info

Publication number
BE851832A
BE851832A BE175262A BE175262A BE851832A BE 851832 A BE851832 A BE 851832A BE 175262 A BE175262 A BE 175262A BE 175262 A BE175262 A BE 175262A BE 851832 A BE851832 A BE 851832A
Authority
BE
Belgium
Prior art keywords
weight
purity greater
isobutylene
obtaining
obtaining isobutylene
Prior art date
Application number
BE175262A
Other languages
English (en)
Original Assignee
Raffinage Cie Francaise
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 Raffinage Cie Francaise filed Critical Raffinage Cie Francaise
Publication of BE851832A publication Critical patent/BE851832A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/148—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound
    • C07C7/17—Purification; Separation; Use of additives by treatment giving rise to a chemical modification of at least one compound with acids or sulfur oxides
    • C07C7/171—Sulfuric acid or oleum

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (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)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
BE175262A 1976-02-27 1977-02-25 Procede d'obtention d'isobutylene d'une purete superieure a 99,5 % en poids BE851832A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7605649A FR2342263A1 (fr) 1976-02-27 1976-02-27 Procede d'obtention d'isobutylene d'une purete superieure a 99,5 % en poids

Publications (1)

Publication Number Publication Date
BE851832A true BE851832A (fr) 1977-08-25

Family

ID=9169743

Family Applications (1)

Application Number Title Priority Date Filing Date
BE175262A BE851832A (fr) 1976-02-27 1977-02-25 Procede d'obtention d'isobutylene d'une purete superieure a 99,5 % en poids

Country Status (11)

Country Link
US (1) US4163697A (fr)
JP (1) JPS535103A (fr)
BE (1) BE851832A (fr)
BR (1) BR7701072A (fr)
CA (1) CA1090831A (fr)
DE (1) DE2707507A1 (fr)
FR (1) FR2342263A1 (fr)
GB (1) GB1552869A (fr)
IT (1) IT1075562B (fr)
NL (1) NL7702050A (fr)
RO (1) RO74196A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4272960A (en) * 1978-02-06 1981-06-16 Occidental Petroleum Corporation Process and system for recovery of working fluid for direct contact heat exchange
CA1179291A (fr) * 1981-10-30 1984-12-11 David T. Ahlberg Appareil de distillation
FR2673178B1 (fr) * 1991-02-26 1994-02-11 Institut Francais Petrole Procede de separation de butanes et de butenes par distillation extractive.
AU2015332509B2 (en) 2014-10-14 2020-05-21 Gevo, Inc. Methods for conversion of ethanol to functionalized lower hydrocarbons and downstream hydrocarbons
EP3735401B1 (fr) 2018-01-04 2023-04-26 GEVO, Inc. Valorisation de mélanges d'huile de fusel sur des catalyseurs hétérogènes en produits chimiques renouvelables de plus grande valeur

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2443245A (en) * 1946-08-24 1948-06-15 Standard Oil Dev Co Isobutylene purification
US2509885A (en) * 1948-03-20 1950-05-30 Standard Oil Dev Co Isobutylene purification system
US2560362A (en) * 1948-09-02 1951-07-10 Standard Oil Dev Co Acid extraction of mixed olefin hydrocarbons
US3073874A (en) * 1958-03-27 1963-01-15 Raffinage Cie Francaise Method of separation of isobutylene from mixtures of hydrocarbons
US3150201A (en) * 1961-06-07 1964-09-22 Exxon Research Engineering Co Extraction process
US3272886A (en) * 1963-11-04 1966-09-13 Exxon Research Engineering Co Production of normal pentenes
US3544653A (en) * 1969-05-09 1970-12-01 Stratford Eng Corp Preparation of olefin feeds for acid recovery processes
FR2142268A5 (fr) * 1971-06-18 1973-01-26 Petroles Cie Francaise

Also Published As

Publication number Publication date
CA1090831A (fr) 1980-12-02
FR2342263B1 (fr) 1979-09-21
GB1552869A (en) 1979-09-19
US4163697A (en) 1979-08-07
BR7701072A (pt) 1977-11-01
DE2707507A1 (de) 1977-09-01
IT1075562B (it) 1985-04-22
RO74196A (fr) 1981-03-21
JPS535103A (en) 1978-01-18
NL7702050A (nl) 1977-08-30
FR2342263A1 (fr) 1977-09-23

Similar Documents

Publication Publication Date Title
FR2338923A1 (fr) Procede pour preparer de l'hexanitro-2,2', 4,4', 6,6' stilbene
BE859577A (fr) Procede d'obtention de 2,4,6-tri(3,5-diterbutyl-4-hydroxybenzyl) mesitylene
FR2340929A1 (fr) Procede en trois stades pour produire la 4,4'-dichloro-diphenyl-sulfone
BE849311A (fr) Nouveau procede de synthese de la 3',4'-didesoxykanamycine b.
BE851832A (fr) Procede d'obtention d'isobutylene d'une purete superieure a 99,5 % en poids
FR2348186A1 (fr) Procede de production de 1,4-diacyloxybutene-2 et 1,4-diacyloxybutene-2 obtenu par ledit procede
SU915803A3 (en) Process for producing substituted 2,7-dihydroxy-5-isopropylidene-2,6-methano-3,4,5,6-tetrahydro-2h-1-benzoxycyans
BE859929A (fr) Procede pour moacyler des acides aminohydroxy-naphtalene-sulfoniques avec une 2,4,6-trifluoro-s-triazine
HU178138B (en) Process for producing 2,4-diamino-5-benzyl-pyrimidine derivatives
BE862367A (fr) Procede pour preparer des polyols a partir d'un acetal cyclique
FR2353507A1 (fr) Procede pour l'obtention de 1,1-difluoroethylene
BE822946A (fr) Procede de preparation de polyethylene de poids moleculaire superieur a 500.000
FR2345419A1 (fr) Procede d'obtention de 2,6-di-tert-butylphenol
FR2338939A1 (fr) Procede de preparation de (vinyl 2, 2-disubstitue)-g-butyrolactones
BE816021A (fr) Procede de preparation de 2-aryl-as-triazine 3,5-(2h,4h)-diones.
FR2344564A2 (fr) Procede de preparation de 2,5-dioxo-1,2-oxa-phospholannes
PT66908B (en) Method for preparing 2,6-ditert.buthylphenol
BE874638A (fr) Procede de preparation d'une 1,2-dioxime
HU173385B (hu) Sposob poluchenija novykh 5,6-digidro-4h-dibenzo-skobka-de,h-skobka zakryta-kinolinov
BE862509A (fr) Procede d'obtention de 1,1-difluoroethylene a partir de l'acetylene
FR2320927A1 (fr) Procede pour l'obtention d'a,a,a,a',a', pentachloro-o-xylene
BE817516A (fr) Procede pour l'obtention de dichloroisocyanurate de sodium dihydrate presentant un faible poids specifique apparent
RO74135A (fr) Procede pour la preparation d'isomere cis n,n-dimethyle-9-/3-(4-methyle-1-piperazinyle)-propyliden)-thioxanten-2-sulfonamide
DE3062635D1 (en) A process for preparing 3-(3,5-di-tert. alkyl-4-hydroxyphenyl)-2,2-di substituted prionaldehydes
RO72494A (fr) Procede d'obtention des 2,6-dinitroanilines a action herbicide

Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CIE FRANCAISE DE RAFFINAGE

Effective date: 19840225