GB698870A - Improvements in and relating to crystallising processes - Google Patents

Improvements in and relating to crystallising processes

Info

Publication number
GB698870A
GB698870A GB21037/49A GB2103749A GB698870A GB 698870 A GB698870 A GB 698870A GB 21037/49 A GB21037/49 A GB 21037/49A GB 2103749 A GB2103749 A GB 2103749A GB 698870 A GB698870 A GB 698870A
Authority
GB
United Kingdom
Prior art keywords
crystallising
relating
processes
xylene
current
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
GB21037/49A
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
Priority to NL75853D priority Critical patent/NL75853C/xx
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB21037/49A priority patent/GB698870A/en
Priority to US175839A priority patent/US2701266A/en
Priority to FR1023931D priority patent/FR1023931A/fr
Priority to DEI1725A priority patent/DE841744C/de
Publication of GB698870A publication Critical patent/GB698870A/en
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)
GB21037/49A 1949-08-12 1949-08-12 Improvements in and relating to crystallising processes Expired GB698870A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL75853D NL75853C (sv) 1949-08-12
GB21037/49A GB698870A (en) 1949-08-12 1949-08-12 Improvements in and relating to crystallising processes
US175839A US2701266A (en) 1949-08-12 1950-07-25 Separation of p-xylene by crystallization
FR1023931D FR1023931A (fr) 1949-08-12 1950-08-07 Procédé de cristallisation perfectionné
DEI1725A DE841744C (de) 1949-08-12 1950-08-13 Kristallisationsverfahren

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
GB698870A true GB698870A (en) 1953-10-28

Family

ID=10156112

Family Applications (1)

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

Country Status (5)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4530827A (en) * 1982-10-26 1985-07-23 Linde Aktiengesellschaft Process for the simultaneous removal of H2 S, SO2 and elemental sulfur from gaseous mixtures

Families Citing this family (1)

* 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

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 (sv) * 1947-06-05

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4530827A (en) * 1982-10-26 1985-07-23 Linde Aktiengesellschaft Process for the simultaneous removal of H2 S, SO2 and elemental sulfur from gaseous mixtures

Also Published As

Publication number Publication date
US2701266A (en) 1955-02-01
NL75853C (sv)
FR1023931A (fr) 1953-03-25
DE841744C (de) 1952-06-19

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