ZA715636B - Process for the preparation of isoprene with a high degree of purity - Google Patents

Process for the preparation of isoprene with a high degree of purity

Info

Publication number
ZA715636B
ZA715636B ZA715636A ZA715636A ZA715636B ZA 715636 B ZA715636 B ZA 715636B ZA 715636 A ZA715636 A ZA 715636A ZA 715636 A ZA715636 A ZA 715636A ZA 715636 B ZA715636 B ZA 715636B
Authority
ZA
South Africa
Prior art keywords
isoprene
purity
preparation
high degree
degree
Prior art date
Application number
ZA715636A
Other languages
English (en)
Inventor
P Losacker
W Schwerdtel
B Weicht
Original Assignee
Bayer Ag
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 Bayer Ag filed Critical Bayer Ag
Publication of ZA715636B publication Critical patent/ZA715636B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/24—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique
    • B01J8/26—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations
    • B01J8/28—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles according to "fluidised-bed" technique with two or more fluidised beds, e.g. reactor and regeneration installations the one above the other
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/0242—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid flow within the bed being predominantly vertical
    • B01J8/025—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds the fluid flow within the bed being predominantly vertical in a cylindrical shaped bed
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
    • C07C1/20—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms
    • C07C1/247—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only oxygen atoms as heteroatoms by splitting of cyclic ethers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/14—Phosphorus; Compounds thereof
    • C07C2527/16—Phosphorus; Compounds thereof containing oxygen
    • C07C2527/167—Phosphates or other compounds comprising the anion (PnO3n+1)(n+2)-
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2527/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
    • C07C2527/14—Phosphorus; Compounds thereof
    • C07C2527/16—Phosphorus; Compounds thereof containing oxygen
    • C07C2527/167—Phosphates or other compounds comprising the anion (PnO3n+1)(n+2)-
    • C07C2527/173—Phosphoric acid or other acids with the formula Hn+2PnO3n+1
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/584—Recycling of catalysts

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Catalysts (AREA)
ZA715636A 1970-08-25 1971-08-23 Process for the preparation of isoprene with a high degree of purity ZA715636B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19702042055 DE2042055A1 (de) 1970-08-25 1970-08-25 Verfahren zur Herstellung von hochreinem Isopren

Publications (1)

Publication Number Publication Date
ZA715636B true ZA715636B (en) 1972-04-26

Family

ID=5780643

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA715636A ZA715636B (en) 1970-08-25 1971-08-23 Process for the preparation of isoprene with a high degree of purity

Country Status (13)

Country Link
JP (1) JPS5215563B1 (enExample)
AT (1) AT310133B (enExample)
AU (1) AU3246871A (enExample)
BE (1) BE771760A (enExample)
BR (1) BR7105512D0 (enExample)
CA (1) CA965802A (enExample)
DE (1) DE2042055A1 (enExample)
ES (1) ES394480A1 (enExample)
FR (1) FR2106044A5 (enExample)
GB (2) GB1372386A (enExample)
NL (1) NL7111629A (enExample)
SU (1) SU458123A3 (enExample)
ZA (1) ZA715636B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2196846A1 (en) * 1972-08-22 1974-03-22 Inst Neftechimichesk Cleaving C-O bonds using phosphate catalyst - thermally passivated for higher selectivity
RU2365574C1 (ru) * 2008-03-17 2009-08-27 Общество с ограниченной ответственностью "Еврохим-СПб-Трейдинг" Способ переработки побочных продуктов жидкофазного синтеза изопрена из изобутилена и формальдегида
DE102017207457B4 (de) * 2017-05-04 2021-11-11 Technische Universität Bergakademie Freiberg Verfahren zur Aufbereitung von Katalysatoren aus Silicat-Phosphat-Materialien unter Gewinnung von Phosphorsäure

Also Published As

Publication number Publication date
JPS5215563B1 (enExample) 1977-04-30
BR7105512D0 (pt) 1973-05-08
BE771760A (fr) 1972-02-25
SU458123A3 (ru) 1975-01-25
FR2106044A5 (enExample) 1972-04-28
AU3246871A (en) 1973-02-22
NL7111629A (enExample) 1972-02-29
AT310133B (de) 1973-09-25
GB1372386A (en) 1974-10-30
ES394480A1 (es) 1974-02-16
DE2042055A1 (de) 1972-03-02
CA965802A (en) 1975-04-08
GB1372385A (en) 1974-10-30

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