SE396747B - Sett vid utvinning av ren maleinsyraanhydrid - Google Patents

Sett vid utvinning av ren maleinsyraanhydrid

Info

Publication number
SE396747B
SE396747B SE7114785A SE1478571A SE396747B SE 396747 B SE396747 B SE 396747B SE 7114785 A SE7114785 A SE 7114785A SE 1478571 A SE1478571 A SE 1478571A SE 396747 B SE396747 B SE 396747B
Authority
SE
Sweden
Prior art keywords
maleic acid
please receive
receive pure
pure maleic
acid anhydrid
Prior art date
Application number
SE7114785A
Other languages
English (en)
Swedish (sv)
Inventor
O L Garkisch
G Ibing
G Kammholz
H Schirrmacher
K Lohbeck
Original Assignee
Veba Chemie Ag
Metallgesellschaft 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 Veba Chemie Ag, Metallgesellschaft Ag filed Critical Veba Chemie Ag
Publication of SE396747B publication Critical patent/SE396747B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; Purification; Stabilisation; Use of additives

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Furan Compounds (AREA)
SE7114785A 1970-12-12 1971-11-18 Sett vid utvinning av ren maleinsyraanhydrid SE396747B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2061335A DE2061335C3 (de) 1970-12-12 1970-12-12 Verfahren zur Gewinnung von reinem Maleinsäureanhydrid

Publications (1)

Publication Number Publication Date
SE396747B true SE396747B (sv) 1977-10-03

Family

ID=5790838

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7114785A SE396747B (sv) 1970-12-12 1971-11-18 Sett vid utvinning av ren maleinsyraanhydrid

Country Status (13)

Country Link
US (1) US3865849A (de)
AT (1) AT310137B (de)
AU (1) AU462471B2 (de)
BE (1) BE776577A (de)
BR (1) BR7108221D0 (de)
DE (1) DE2061335C3 (de)
ES (1) ES395783A1 (de)
FR (1) FR2117043A5 (de)
GB (1) GB1354949A (de)
IT (1) IT943823B (de)
NL (1) NL173402B (de)
SE (1) SE396747B (de)
ZA (1) ZA717814B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1424747A (en) * 1973-08-28 1976-02-11 Ucb Sa Method and apparatus for the continuous dehydration of maleic acid
DE2750284A1 (de) * 1977-11-10 1979-05-17 Bayer Ag Verfahren zur gewinnung von maleinsaeureanhydrid aus destillationsrueckstaenden
DE2910385C2 (de) * 1979-03-16 1982-10-21 Davy McKee AG, 6000 Frankfurt Verfahren zur Absaugung von Gasen und Dämpfen im Zuge der Maleinsäureanhydrid-Gewinnung
US5929255A (en) * 1996-07-11 1999-07-27 Bp Amoco Corporation Process for coproducing fumaric acid and maleic anhydride
US5972174A (en) * 1998-01-13 1999-10-26 Huntsman Petrochemical Corporation Process for the purification of maleic anhydride
DE10038114A1 (de) * 2000-08-04 2002-02-21 Bat Cigarettenfab Gmbh Verfahren und Vorrichtung zur Konditionierung von zerkleinerten Tabakmaterialien

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3169976A (en) * 1965-02-16 Production of pure ualeic anhydride
US2340490A (en) * 1939-03-27 1944-02-01 Solvay Process Co Dehydration of maleic acid

Also Published As

Publication number Publication date
NL7111906A (de) 1972-06-14
IT943823B (it) 1973-04-10
DE2061335C3 (de) 1975-07-17
AU462471B2 (en) 1975-06-26
DE2061335A1 (de) 1972-06-15
NL173402B (nl) 1983-08-16
FR2117043A5 (de) 1972-07-21
DE2061335B2 (de) 1974-11-14
GB1354949A (en) 1974-06-05
AU3651171A (en) 1973-06-14
ES395783A1 (es) 1974-10-01
BR7108221D0 (pt) 1973-09-06
ZA717814B (en) 1972-10-25
US3865849A (en) 1975-02-11
BE776577A (fr) 1972-04-04
AT310137B (de) 1973-09-25

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