FR2091388A5 - Desublimation of vapours of benzene carboxylic acids or their derivs - - by contact with a colder liquid - Google Patents

Desublimation of vapours of benzene carboxylic acids or their derivs - - by contact with a colder liquid

Info

Publication number
FR2091388A5
FR2091388A5 FR7116749A FR7116749A FR2091388A5 FR 2091388 A5 FR2091388 A5 FR 2091388A5 FR 7116749 A FR7116749 A FR 7116749A FR 7116749 A FR7116749 A FR 7116749A FR 2091388 A5 FR2091388 A5 FR 2091388A5
Authority
FR
France
Prior art keywords
vapours
contact
desublimation
derivs
carboxylic acids
Prior art date
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
FR7116749A
Other languages
English (en)
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Czech Academy of Sciences CAS
Original Assignee
Czech Academy of Sciences CAS
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 Czech Academy of Sciences CAS filed Critical Czech Academy of Sciences CAS
Application granted granted Critical
Publication of FR2091388A5 publication Critical patent/FR2091388A5/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D7/00—Sublimation
    • B01D7/02—Crystallisation directly from the vapour phase
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7116749A 1970-05-12 1971-05-10 Desublimation of vapours of benzene carboxylic acids or their derivs - - by contact with a colder liquid Expired FR2091388A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS325170A CS154907B1 (enrdf_load_stackoverflow) 1970-05-12 1970-05-12

Publications (1)

Publication Number Publication Date
FR2091388A5 true FR2091388A5 (en) 1972-01-14

Family

ID=5372016

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7116749A Expired FR2091388A5 (en) 1970-05-12 1971-05-10 Desublimation of vapours of benzene carboxylic acids or their derivs - - by contact with a colder liquid

Country Status (3)

Country Link
CS (1) CS154907B1 (enrdf_load_stackoverflow)
DE (1) DE2122863A1 (enrdf_load_stackoverflow)
FR (1) FR2091388A5 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0312745A3 (en) * 1987-10-21 1989-07-26 Union Carbide Corporation Abatement of vapors from gas streams by solidification

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5578173A (en) * 1995-04-03 1996-11-26 Eastman Kodak Company Removal of dimethylterephthalate from a methanolysis vapor stream

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0312745A3 (en) * 1987-10-21 1989-07-26 Union Carbide Corporation Abatement of vapors from gas streams by solidification

Also Published As

Publication number Publication date
CS154907B1 (enrdf_load_stackoverflow) 1974-04-30
DE2122863A1 (enrdf_load_stackoverflow) 1971-12-16

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Legal Events

Date Code Title Description
ST Notification of lapse