ES269737A1 - Method for the removal of deposited crude maleic acid - Google Patents

Method for the removal of deposited crude maleic acid

Info

Publication number
ES269737A1
ES269737A1 ES0269737A ES269737A ES269737A1 ES 269737 A1 ES269737 A1 ES 269737A1 ES 0269737 A ES0269737 A ES 0269737A ES 269737 A ES269737 A ES 269737A ES 269737 A1 ES269737 A1 ES 269737A1
Authority
ES
Spain
Prior art keywords
maleic acid
removal
crude maleic
deposited crude
reservoir
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
ES0269737A
Other languages
Spanish (es)
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.)
Scientific Design Co Inc
Original Assignee
Scientific Design Co Inc
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 Scientific Design Co Inc filed Critical Scientific Design Co Inc
Publication of ES269737A1 publication Critical patent/ES269737A1/en
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
    • C07C51/54—Preparation of carboxylic acid anhydrides
    • C07C51/56—Preparation of carboxylic acid anhydrides from organic acids, their salts, their esters or their halides, e.g. by carboxylation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/0006—Controlling or regulating processes
    • B01J19/002—Avoiding undesirable reactions or side-effects, e.g. avoiding explosions, or improving the yield by suppressing side-reactions
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00245—Avoiding undesirable reactions or side-effects
    • B01J2219/00252—Formation of deposits other than coke

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Furan Compounds (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)

Abstract

Method for separating a reservoir of solid crude maleic acid, comprising heating said reservoir at a temperature of about 185º C at least and then dispersing it in water maintained at a temperature of about 100º C, and separating the resulting mixture watery (Machine-translation by Google Translate, not legally binding)
ES0269737A 1960-08-11 1961-08-10 Method for the removal of deposited crude maleic acid Expired ES269737A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US48843A US3120455A (en) 1960-08-11 1960-08-11 Method for the removal of deposited crude maleic acid

Publications (1)

Publication Number Publication Date
ES269737A1 true ES269737A1 (en) 1962-01-01

Family

ID=21956739

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0269737A Expired ES269737A1 (en) 1960-08-11 1961-08-10 Method for the removal of deposited crude maleic acid

Country Status (7)

Country Link
US (1) US3120455A (en)
BE (1) BE607012A (en)
CH (1) CH405279A (en)
DE (1) DE1443118A1 (en)
ES (1) ES269737A1 (en)
LU (1) LU40491A1 (en)
SE (1) SE312795B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2662041A (en) * 1949-12-30 1953-12-08 Sun Oil Co Process for cleaning refining equipment
US2917418A (en) * 1958-03-13 1959-12-15 Eastman Kodak Co Thermolytic process for cleaning apparatus used in processing polyethylene terephthalate
US3024251A (en) * 1960-07-29 1962-03-06 Scient Design Co Process for cleaning apparatus

Also Published As

Publication number Publication date
DE1443118A1 (en) 1968-10-24
CH405279A (en) 1966-01-15
BE607012A (en) 1961-12-01
US3120455A (en) 1964-02-04
SE312795B (en) 1969-07-28
LU40491A1 (en) 1961-10-09

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