NL253742A - - Google Patents

Info

Publication number
NL253742A
NL253742A NL253742DA NL253742A NL 253742 A NL253742 A NL 253742A NL 253742D A NL253742D A NL 253742DA NL 253742 A NL253742 A NL 253742A
Authority
NL
Netherlands
Application number
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.)
Publication of NL253742A publication Critical patent/NL253742A/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
    • C07C51/42—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
    • B01D1/00—Evaporating
    • B01D1/14—Evaporating with heated gases or vapours or liquids in contact with the liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/16—Evaporating by spraying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
    • B01D1/222—In rotating vessels; vessels with movable parts
    • 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)
  • Crystallography & Structural Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Furan Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Working-Up Tar And Pitch (AREA)
NL253742D 1959-07-13 NL253742A (el)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DER25935A DE1252197B (de) 1959-07-13 1959-07-13 Verfahren zur Gewinnung von Phthalsaeureanhydrid aus den Destillationsrueckstaenden von rohem Phthalsaeureanhydrid
DER0026711 1959-11-12
DER0028847 1960-10-08

Publications (1)

Publication Number Publication Date
NL253742A true NL253742A (el)

Family

ID=27212056

Family Applications (2)

Application Number Title Priority Date Filing Date
NL253742D NL253742A (el) 1959-07-13
NL257871D NL257871A (el) 1959-07-13

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL257871D NL257871A (el) 1959-07-13

Country Status (5)

Country Link
US (1) US3280009A (el)
BE (2) BE597012A (el)
DE (1) DE1252197B (el)
GB (2) GB956712A (el)
NL (2) NL257871A (el)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE638424A (el) * 1962-10-17
DE1266748C2 (de) * 1966-05-21 1973-07-19 Basf Ag Verfahren zur Verhinderung der Verkrustung von Heizflaechen bei der kontinuierlichen Destillation von Phthalsaeureanhydrid
US3425477A (en) * 1966-09-28 1969-02-04 Marathon Eng Inc Method for heat recovery in evaporating and burning spent liquor
DE1668398C3 (de) * 1967-07-07 1979-07-05 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur Gewinnung von reinen Phthalsäureanhydrid
DE1643703C3 (de) * 1967-12-01 1981-07-16 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Phthalsäureanhydrid
FR2224435B1 (el) * 1973-04-05 1976-11-12 Rhone Progil
JPS5364974A (en) * 1976-11-24 1978-06-09 Mitsui Toatsu Chem Inc Method of treating by product in the process of producing phthalicanhydride
US4979886A (en) * 1989-01-27 1990-12-25 Newlandex Corporation Remediation of combustible organic contaminated water
US5092959A (en) * 1990-04-27 1992-03-03 Yamato Scientific Co., Ltd. Organic solvent spray dryer device
US5458739A (en) * 1994-02-04 1995-10-17 Vendome Copper & Brass Works Volatiles separator and concentrator
WO2009000019A1 (en) * 2007-06-22 2008-12-31 Gomtech Pty Ltd Selective removal of a target liquid constituent from a multi-component liquid
CN102671400B (zh) * 2011-08-01 2014-05-07 天津聚贤达科技有限公司 一种用于多效多相流蒸发器的效间过料装置及方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1798166A (en) * 1927-03-24 1931-03-31 Calco Chemical Co Inc Beta-naphthol pellet
US1987282A (en) * 1931-08-29 1935-01-08 Monsanto Chemicals Method of purification by sublimation
US1987301A (en) * 1933-12-08 1935-01-08 Monsanto Chemicals Purification by sublimation
US2219333A (en) * 1934-12-31 1940-10-29 Solvay Process Co Production of phthalic anhydride
US2445314A (en) * 1944-06-26 1948-07-20 Stephen H Crossman Gun sight
US2702091A (en) * 1950-05-02 1955-02-15 California Research Corp Recovery of molten phthalic anhydride
US3002980A (en) * 1957-08-30 1961-10-03 American Cyanamid Co Recovery of phthalic anhydride from phthalic anhydride coke
US2951555A (en) * 1958-07-11 1960-09-06 Monsanto Chemicals Recovery of maleic anhydride

Also Published As

Publication number Publication date
BE597012A (el)
BE592877A (el)
GB956712A (en) 1964-04-29
DE1252197B (de) 1967-10-19
NL257871A (el)
US3280009A (en) 1966-10-18
GB937904A (en) 1963-09-25

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