JPS5844669B2 - ムスイフタルサンノブンリホウホウ - Google Patents

ムスイフタルサンノブンリホウホウ

Info

Publication number
JPS5844669B2
JPS5844669B2 JP48126152A JP12615273A JPS5844669B2 JP S5844669 B2 JPS5844669 B2 JP S5844669B2 JP 48126152 A JP48126152 A JP 48126152A JP 12615273 A JP12615273 A JP 12615273A JP S5844669 B2 JPS5844669 B2 JP S5844669B2
Authority
JP
Japan
Prior art keywords
separator
temperature
phthalic anhydride
gas
heating
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
JP48126152A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5029525A (enExample
Inventor
コイネツケ ゲルハルド
ゲールケン フベルト
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.)
DAFUII INTERN AG
Original Assignee
DAFUII INTERN 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 DAFUII INTERN AG filed Critical DAFUII INTERN AG
Publication of JPS5029525A publication Critical patent/JPS5029525A/ja
Publication of JPS5844669B2 publication Critical patent/JPS5844669B2/ja
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
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/573—Separation; Purification; Stabilisation; Use of additives

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)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
JP48126152A 1972-11-11 1973-11-09 ムスイフタルサンノブンリホウホウ Expired JPS5844669B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2255400A DE2255400B2 (de) 1972-11-11 1972-11-11 Verfahren zur Abscheidung von Phthalsäureanhydrid
US42290373A 1973-12-07 1973-12-07

Publications (2)

Publication Number Publication Date
JPS5029525A JPS5029525A (enExample) 1975-03-25
JPS5844669B2 true JPS5844669B2 (ja) 1983-10-04

Family

ID=25764068

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48126152A Expired JPS5844669B2 (ja) 1972-11-11 1973-11-09 ムスイフタルサンノブンリホウホウ

Country Status (4)

Country Link
US (1) US4062871A (enExample)
JP (1) JPS5844669B2 (enExample)
DE (1) DE2255400B2 (enExample)
FR (1) FR2206307B1 (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4391617A (en) * 1978-09-15 1983-07-05 Way Peter F Process for the recovery of vaporized sublimates from gas streams
US4252772A (en) * 1978-09-15 1981-02-24 Way Peter F Apparatus for the recovery of vaporized phthalic anhydride from gas streams
DE3411732A1 (de) * 1984-03-30 1985-10-10 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zum periodischen beheizen des produktabscheiders einer anlage zur herstellung von phthalsaeureanhydrid oder maleinsaeureanhydrid
DE19852894B4 (de) * 1998-11-17 2007-02-15 GEA Luftkühler GmbH Verfahren zur Gewinnung von Phthalsäureanhydrid durch katalytische Gasphasenreaktion und Vorrichtung zur Durchführung des Verfahrens

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3471521A (en) * 1964-07-20 1969-10-07 United States Steel Corp Method of reducing deposition of solids and tarry materials from a gaseous effluent in the oxidation of an organic hydrocarbon to produce phthalic anhydride
DE2005628A1 (enExample) * 1970-02-07 1970-10-29

Also Published As

Publication number Publication date
DE2255400B2 (de) 1974-10-10
JPS5029525A (enExample) 1975-03-25
FR2206307A1 (enExample) 1974-06-07
FR2206307B1 (enExample) 1977-08-05
DE2255400A1 (de) 1974-05-30
US4062871A (en) 1977-12-13

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