FR1597677A - - Google Patents

Info

Publication number
FR1597677A
FR1597677A FR1597677DA FR1597677A FR 1597677 A FR1597677 A FR 1597677A FR 1597677D A FR1597677D A FR 1597677DA FR 1597677 A FR1597677 A FR 1597677A
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
Other languages
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
Application granted granted Critical
Publication of FR1597677A publication Critical patent/FR1597677A/fr
Expired legal-status Critical Current

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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0018—Evaporation of components of the mixture to be separated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR1597677D 1968-01-20 1968-12-02 Expired FR1597677A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681719461 DE1719461B2 (de) 1968-01-20 1968-01-20 Verfahren zur reinigung anorganischer oder organischer rohprodukte

Publications (1)

Publication Number Publication Date
FR1597677A true FR1597677A (enrdf_load_stackoverflow) 1970-06-29

Family

ID=5689702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1597677D Expired FR1597677A (enrdf_load_stackoverflow) 1968-01-20 1968-12-02

Country Status (5)

Country Link
DE (1) DE1719461B2 (enrdf_load_stackoverflow)
FR (1) FR1597677A (enrdf_load_stackoverflow)
GB (1) GB1172180A (enrdf_load_stackoverflow)
NL (1) NL157508B (enrdf_load_stackoverflow)
SE (1) SE354575B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962315A (en) * 1973-05-09 1976-06-08 Hoechst Aktiengesellschaft Process for the purification of terephthalic acid dimethyl ester

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5941925B2 (ja) * 1980-03-06 1984-10-11 三菱瓦斯化学株式会社 亜二チオン酸塩の製造法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3962315A (en) * 1973-05-09 1976-06-08 Hoechst Aktiengesellschaft Process for the purification of terephthalic acid dimethyl ester

Also Published As

Publication number Publication date
SE354575B (enrdf_load_stackoverflow) 1973-03-19
GB1172180A (en) 1969-11-26
NL6900436A (enrdf_load_stackoverflow) 1969-07-22
DE1719461A1 (de) 1970-10-29
NL157508B (nl) 1978-08-15
DE1719461B2 (de) 1976-06-24

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Legal Events

Date Code Title Description
ST Notification of lapse