GB630397A - Improvements relating to the crystallisation of chemical compounds and to apparatus for use therein - Google Patents

Improvements relating to the crystallisation of chemical compounds and to apparatus for use therein

Info

Publication number
GB630397A
GB630397A GB22552/47A GB2255247A GB630397A GB 630397 A GB630397 A GB 630397A GB 22552/47 A GB22552/47 A GB 22552/47A GB 2255247 A GB2255247 A GB 2255247A GB 630397 A GB630397 A GB 630397A
Authority
GB
United Kingdom
Prior art keywords
liquid
methyl alcohol
stream
crystals
withdrawn
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
GB22552/47A
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.)
ERIC HEREWARD JOSCELYNE
Midland Tar Distillers Ltd
Original Assignee
ERIC HEREWARD JOSCELYNE
Midland Tar Distillers 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 ERIC HEREWARD JOSCELYNE, Midland Tar Distillers Ltd filed Critical ERIC HEREWARD JOSCELYNE
Priority to GB22552/47A priority Critical patent/GB630397A/en
Priority to NL141650A priority patent/NL70551C/xx
Priority to US42036A priority patent/US2598449A/en
Priority to FR970090D priority patent/FR970090A/fr
Publication of GB630397A publication Critical patent/GB630397A/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
    • B01D9/0004—Crystallisation cooling by heat exchange
    • B01D9/0013—Crystallisation cooling by heat exchange by indirect heat exchange
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/004—Fractional crystallisation; Fractionating or rectifying columns
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (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)
GB22552/47A 1947-08-13 1947-08-13 Improvements relating to the crystallisation of chemical compounds and to apparatus for use therein Expired GB630397A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB22552/47A GB630397A (en) 1947-08-13 1947-08-13 Improvements relating to the crystallisation of chemical compounds and to apparatus for use therein
NL141650A NL70551C (fr) 1947-08-13 1948-07-28
US42036A US2598449A (en) 1947-08-13 1948-08-02 Purification of naphthalene
FR970090D FR970090A (fr) 1947-08-13 1948-08-09 Procédé et appareil pour la cristallisation d'un composé chimique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB22552/47A GB630397A (en) 1947-08-13 1947-08-13 Improvements relating to the crystallisation of chemical compounds and to apparatus for use therein

Publications (1)

Publication Number Publication Date
GB630397A true GB630397A (en) 1949-10-12

Family

ID=10181268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22552/47A Expired GB630397A (en) 1947-08-13 1947-08-13 Improvements relating to the crystallisation of chemical compounds and to apparatus for use therein

Country Status (4)

Country Link
US (1) US2598449A (fr)
FR (1) FR970090A (fr)
GB (1) GB630397A (fr)
NL (1) NL70551C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2777889A (en) * 1951-11-19 1957-01-15 Naumann Carl Crystallization of polycyclic hydrocarbons
US2784725A (en) * 1953-04-30 1957-03-12 Standard Oil Co Crystal-washer apparatus
DE1192155B (de) * 1955-03-17 1965-05-06 Phillips Petroleum Company, Bartlesville, OkIa. (V. St. A.) Verfahren zum kontinuierlichen Reinigen von Kristallsuspensionen
DE3038973A1 (de) * 1980-10-15 1982-05-27 Bayer Ag, 5090 Leverkusen Verfahren und vorrichtung zum kristallisieren von schmelzen mit gleichzeitiger zerkleinerung
US4453959A (en) * 1982-02-25 1984-06-12 Bishkin D Bruce Crystal washing and purification method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1081949A (en) * 1913-12-23 Internat Haloid Company Process of recovering separating liquids from separated solids.
US848484A (en) * 1906-09-06 1907-03-26 Thomas Newnham Apparatus for extracting by-products from wood.
GB260129A (en) * 1925-12-22 1926-10-28 Kurt Bube Process for desulphurising naphthalene or paraffin
US1810217A (en) * 1927-02-05 1931-06-16 Gen Chemical Corp Continuous crystallizer
US1906534A (en) * 1927-05-23 1933-05-02 American Potash And Chemical C Crystallization apparatus
US2163581A (en) * 1936-07-18 1939-06-27 Atlantic Refining Co Purification of crystallizable derivatives of coal tar
US2207752A (en) * 1938-04-20 1940-07-16 Barrett Co Process for crystallizing naphthalene

Also Published As

Publication number Publication date
NL70551C (fr) 1952-08-15
US2598449A (en) 1952-05-27
FR970090A (fr) 1950-12-29

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