BE813322A - Procede de traitement des residus de distillation de l'anhydride phtalique - Google Patents

Procede de traitement des residus de distillation de l'anhydride phtalique

Info

Publication number
BE813322A
BE813322A BE142866A BE142866A BE813322A BE 813322 A BE813322 A BE 813322A BE 142866 A BE142866 A BE 142866A BE 142866 A BE142866 A BE 142866A BE 813322 A BE813322 A BE 813322A
Authority
BE
Belgium
Prior art keywords
treatment
phthalic anhydride
distillation residues
distillation
residues
Prior art date
Application number
BE142866A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE813322A publication Critical patent/BE813322A/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)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Furan Compounds (AREA)
BE142866A 1973-04-05 1974-04-04 Procede de traitement des residus de distillation de l'anhydride phtalique BE813322A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7312301A FR2224435B1 (xx) 1973-04-05 1973-04-05

Publications (1)

Publication Number Publication Date
BE813322A true BE813322A (fr) 1974-10-04

Family

ID=9117470

Family Applications (1)

Application Number Title Priority Date Filing Date
BE142866A BE813322A (fr) 1973-04-05 1974-04-04 Procede de traitement des residus de distillation de l'anhydride phtalique

Country Status (11)

Country Link
US (1) US3923839A (xx)
JP (1) JPS5241251B2 (xx)
BE (1) BE813322A (xx)
CA (1) CA1032493A (xx)
DE (1) DE2416457C3 (xx)
FR (1) FR2224435B1 (xx)
GB (1) GB1416847A (xx)
IT (1) IT1004154B (xx)
NL (1) NL169315C (xx)
PH (1) PH10792A (xx)
YU (1) YU39917B (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5845435B2 (ja) * 1977-05-06 1983-10-08 新日鐵化学株式会社 無水フタル酸蒸留残渣の処理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2333368A (en) * 1940-06-14 1943-11-02 Allied Chem & Dye Corp Hydration of phthalic anhydride
NL253742A (xx) * 1959-07-13
DE1266748C2 (de) * 1966-05-21 1973-07-19 Basf Ag Verfahren zur Verhinderung der Verkrustung von Heizflaechen bei der kontinuierlichen Destillation von Phthalsaeureanhydrid
DE1768817B1 (de) * 1968-07-03 1972-04-27 Zieren Chemiebau Gmbh Dr A Verfahren zur Reinigung von rohem Phthalsaeureanhydrid durch Destillation

Also Published As

Publication number Publication date
CA1032493A (en) 1978-06-06
NL169315B (nl) 1982-02-01
YU92974A (en) 1982-02-28
PH10792A (en) 1977-09-06
FR2224435B1 (xx) 1976-11-12
YU39917B (en) 1985-06-30
NL169315C (nl) 1982-07-01
DE2416457B2 (de) 1978-01-05
JPS5029526A (xx) 1975-03-25
DE2416457C3 (de) 1984-09-06
US3923839A (en) 1975-12-02
JPS5241251B2 (xx) 1977-10-17
NL7404618A (xx) 1974-10-08
FR2224435A1 (xx) 1974-10-31
DE2416457A1 (de) 1974-10-24
GB1416847A (en) 1975-12-10
IT1004154B (it) 1976-07-10

Similar Documents

Publication Publication Date Title
BE811118A (fr) Procede de traitement des eaux residuaires
FR2307076A1 (fr) Produit pour le traitement des etoffes
FR2334629A1 (fr) Procede de traitement d'eaux
FR2318908A1 (fr) Procede de traitement d'extraits anthocyaniques
BE831427A (fr) Procede de traitement de dechets et produits obtenus
FR2292674A1 (fr) Procede de traitement des boues
BE811326A (fr) Procede de traitement
BE756951A (fr) Procede perfectionne de preparation de l'anhydride maleique
FR2318945A1 (fr) Procede et installation pour le traitement des battitures
FR2292046A1 (fr) Procede pour le traitement de vilebrequins
BE810195A (fr) Produit photographique et procede pour le traitement de ce produit
FR2322103A1 (fr) Procede de traitement d'eaux residuaires
BE812450A (fr) Procede de purification d'acides dicarboxyliques
BE820619A (fr) Procede de traitement de diaphragmes d'amiante
BE816373A (fr) Procede de traitement d'esters bruts
BE821887A (fr) Procede de traitement de dispersions de gouttelettes
BE801758A (fr) Procede et appareil de traitement des eaux-vannes
BE813322A (fr) Procede de traitement des residus de distillation de l'anhydride phtalique
BE840402A (fr) Produit pour le traitement des etoffes
BE809991A (fr) Procede de traitement ulterieur d'un pigment azoique
BE846377A (fr) Procede de traitement de pieces d'aiguillages
FR2323666A1 (fr) Procede de traitement de residus d'hydrocarbures chlores
BE768727A (fr) Procede de preparation d'acides cetocarboxyliques aromatiques
BE789996A (fr) Procede de decarboxylation d'acides hydroxyarylcarboxyliques
BE783966A (fr) Procede de traitement d'un effluent

Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: CHLOE CHIMIE

Effective date: 19940404