FR1023931A - Procédé de cristallisation perfectionné - Google Patents

Procédé de cristallisation perfectionné

Info

Publication number
FR1023931A
FR1023931A FR1023931DA FR1023931A FR 1023931 A FR1023931 A FR 1023931A FR 1023931D A FR1023931D A FR 1023931DA FR 1023931 A FR1023931 A FR 1023931A
Authority
FR
France
Prior art keywords
crystallization process
advanced crystallization
advanced
crystallization
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
Other languages
English (en)
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of FR1023931A publication Critical patent/FR1023931A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/14—Purification; Separation; Use of additives by crystallisation; Purification or separation of the crystals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S585/00—Chemistry of hydrocarbon compounds
    • Y10S585/909—Heat considerations
    • Y10S585/911—Heat considerations introducing, maintaining, or removing heat by atypical procedure
    • Y10S585/913—Electric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S585/00—Chemistry of hydrocarbon compounds
    • Y10S585/949—Miscellaneous considerations
    • Y10S585/95—Prevention or removal of corrosion or solid deposits

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
FR1023931D 1949-08-12 1950-08-07 Procédé de cristallisation perfectionné Expired FR1023931A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB21037/49A GB698870A (en) 1949-08-12 1949-08-12 Improvements in and relating to crystallising processes

Publications (1)

Publication Number Publication Date
FR1023931A true FR1023931A (fr) 1953-03-25

Family

ID=10156112

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1023931D Expired FR1023931A (fr) 1949-08-12 1950-08-07 Procédé de cristallisation perfectionné

Country Status (5)

Country Link
US (1) US2701266A (fr)
DE (1) DE841744C (fr)
FR (1) FR1023931A (fr)
GB (1) GB698870A (fr)
NL (1) NL75853C (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1104508A (en) * 1965-08-18 1968-02-28 Ici Ltd Refrigeration processes
DE3239603A1 (de) * 1982-10-26 1984-04-26 Linde Ag, 6200 Wiesbaden Verfahren zum gleichzeitigen entfernen von h(pfeil abwaerts)2(pfeil abwaerts)s, so(pfeil abwaerts)2(pfeil abwaerts) und elementarem schwefel aus gasgemischen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1746144A (en) * 1927-03-08 1930-02-04 Gen Electric Production of piezo-electric elements
US1940065A (en) * 1927-12-15 1933-12-19 Ig Farbenindustrie Ag Separatrion and purification of ortho, meta and para xylene
US2500298A (en) * 1944-09-29 1950-03-14 Philco Corp Defrosting system for refrigerating apparatus
US2491413A (en) * 1946-07-25 1949-12-13 Cutler Hammer Inc Welding controller
NL63332C (fr) * 1947-06-05

Also Published As

Publication number Publication date
DE841744C (de) 1952-06-19
US2701266A (en) 1955-02-01
GB698870A (en) 1953-10-28
NL75853C (fr)

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