ZA715686B - Recovery of maleic acid anhydride - Google Patents

Recovery of maleic acid anhydride

Info

Publication number
ZA715686B
ZA715686B ZA715686A ZA715686A ZA715686B ZA 715686 B ZA715686 B ZA 715686B ZA 715686 A ZA715686 A ZA 715686A ZA 715686 A ZA715686 A ZA 715686A ZA 715686 B ZA715686 B ZA 715686B
Authority
ZA
South Africa
Prior art keywords
recovery
maleic acid
acid anhydride
anhydride
maleic
Prior art date
Application number
ZA715686A
Other languages
English (en)
Inventor
Cio A Di
G Zettel
Original Assignee
Prolizenz 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 Prolizenz Ag filed Critical Prolizenz Ag
Publication of ZA715686B publication Critical patent/ZA715686B/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
    • B01D5/0081—Feeding the steam or the vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
    • B01D5/0012—Vertical tubes
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
ZA715686A 1970-08-25 1971-08-25 Recovery of maleic acid anhydride ZA715686B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1271470A CH533591A (de) 1970-08-25 1970-08-25 Verfahren zur Gewinnung von Maleinsäureanhydrid

Publications (1)

Publication Number Publication Date
ZA715686B true ZA715686B (en) 1972-04-26

Family

ID=4385696

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA715686A ZA715686B (en) 1970-08-25 1971-08-25 Recovery of maleic acid anhydride

Country Status (10)

Country Link
AT (1) AT311308B (enExample)
BE (1) BE771509A (enExample)
CH (1) CH533591A (enExample)
DE (1) DE2142195A1 (enExample)
ES (1) ES394443A1 (enExample)
FR (1) FR2106043A5 (enExample)
GB (1) GB1356280A (enExample)
IT (1) IT941667B (enExample)
NL (1) NL7111195A (enExample)
ZA (1) ZA715686B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1593610A (en) * 1977-06-24 1981-07-22 Chevron Res Process for recovering maleic anhydride by condensation

Also Published As

Publication number Publication date
DE2142195A1 (enExample) 1972-03-02
NL7111195A (enExample) 1972-02-29
ES394443A1 (es) 1974-03-01
GB1356280A (en) 1974-06-12
IT941667B (it) 1973-03-10
AT311308B (de) 1973-11-12
CH533591A (de) 1973-02-15
FR2106043A5 (enExample) 1972-04-28
BE771509A (fr) 1971-12-31

Similar Documents

Publication Publication Date Title
IL40521A (en) 1-heterocyclyl-3-indolealkanoic acid derivatives
HK34278A (en) Derivatives of 17alpha-hydroxy-androst-4ene-17beta-carboxylic acids
YU153772A (en) Process for obtaining 6-(d(-)-delta-aminophenylacetamido)penicillanc acid phthalide ester
AU4847172A (en) Cycloalkylaminoarylcarboxylic acid derivatives
IL37019A (en) Dihydro-furo-quinoline carboxylic acid derivatives
KE2573A (en) Substituted 5-sulfamylbenzoic acids
IE37237L (en) Pyrroleacetic acid derivatives
ZA717133B (en) Esters of mandeloylaminocephalosporanic acids
ZA717814B (en) Process of recovering pure maleic anhydride
JPS55120584A (en) Manufacture of carboxylic acid derivative
ZA723856B (en) Resolution of di-camphor-10-sulfonic acid
ZA715686B (en) Recovery of maleic acid anhydride
ZA717813B (en) Process of recovering pure maleic anhydride
PH10267A (en) New derivatives of 4-chloro-5-sulfamoyl-anthranilic acid
PH9332A (en) 2-chloroethanephosphonic acid derivatives
ZA712428B (en) Substituted furancarboxylic acid cycloalkylamide
IL39481A (en) Derivatives of 9-oxo-13-trans-prostenoic acid
GB1405794A (en) Alpha-thioacetic acid derivatives
IL32662A0 (en) Resolution of 2-methylenecyclopropane carboxylic acid
ZA713295B (en) New derivatives of mercapto carboxylic acids
AU4732972A (en) Pregnane acid derivatives
IL35675A (en) The preparation of isoxazolyl substituted 5-hydroxyheptanoic acid lactones
AU445018B2 (en) Purification of carboxylic acids
IL34019A0 (en) Direct mono-esterification of arylmalonic acids
GB1408769A (en) Pregnane acid derivatives