GB1182249A - Purification Process. - Google Patents

Purification Process.

Info

Publication number
GB1182249A
GB1182249A GB34979/66A GB3497966A GB1182249A GB 1182249 A GB1182249 A GB 1182249A GB 34979/66 A GB34979/66 A GB 34979/66A GB 3497966 A GB3497966 A GB 3497966A GB 1182249 A GB1182249 A GB 1182249A
Authority
GB
United Kingdom
Prior art keywords
gas
xylene
liquid
crystal product
stages
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
GB34979/66A
Other languages
English (en)
Inventor
Bernard Ramsay Bligh
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
Priority to GB34979/66A priority Critical patent/GB1182249A/en
Priority to US655406A priority patent/US3592016A/en
Priority to DE1619775A priority patent/DE1619775C3/de
Priority to FR1550155D priority patent/FR1550155A/fr
Priority to JP4982767A priority patent/JPS5333551B1/ja
Publication of GB1182249A publication Critical patent/GB1182249A/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
    • B01D9/0009—Crystallisation cooling by heat exchange by direct heat exchange with added cooling fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0059—General arrangements of crystallisation plant, e.g. flow sheets
    • 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)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (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)
GB34979/66A 1966-08-04 1966-08-04 Purification Process. Expired GB1182249A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB34979/66A GB1182249A (en) 1966-08-04 1966-08-04 Purification Process.
US655406A US3592016A (en) 1966-08-04 1967-07-24 Xylene isomer separation with direct contact gaseous carbon dioxide refrigerant
DE1619775A DE1619775C3 (de) 1966-08-04 1967-08-01 Verfahren zum Gewinnen von p-Xylol aus einem Flüssigkeitsgemisch
FR1550155D FR1550155A (https=) 1966-08-04 1967-08-04
JP4982767A JPS5333551B1 (https=) 1966-08-04 1967-08-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34979/66A GB1182249A (en) 1966-08-04 1966-08-04 Purification Process.

Publications (1)

Publication Number Publication Date
GB1182249A true GB1182249A (en) 1970-02-25

Family

ID=10372368

Family Applications (1)

Application Number Title Priority Date Filing Date
GB34979/66A Expired GB1182249A (en) 1966-08-04 1966-08-04 Purification Process.

Country Status (5)

Country Link
US (1) US3592016A (https=)
JP (1) JPS5333551B1 (https=)
DE (1) DE1619775C3 (https=)
FR (1) FR1550155A (https=)
GB (1) GB1182249A (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4623372A (en) * 1984-07-11 1986-11-18 Cng Research Company Crystallization process
JPH04305226A (ja) * 1991-01-25 1992-10-28 Senichi Masuda ガス中窒素酸化物の低減方法
DE69209284T2 (de) * 1991-04-30 1997-04-10 Tsukishima Kikai Co. Ltd., Tokyo Verfahren und Vorrichtung zur Kristallisation organischer Stoffe
DE4313101C1 (de) * 1993-04-22 1994-08-11 Hoechst Ag Verfahren zur Trennung und Reinigung von Stoffen durch Schmelzkristallisation unter hohen Drücken
DE4313121C1 (de) * 1993-04-22 1994-08-11 Hoechst Ag Verfahren zum Trennen und Reinigen von Stoffen durch Schmelzkristallisation
JP4845171B2 (ja) * 2005-03-30 2011-12-28 月島機械株式会社 有機化合物の断熱冷却式晶析方法及び装置
JP4845173B2 (ja) * 2005-03-30 2011-12-28 月島機械株式会社 有機化合物の断熱冷却式晶析方法及び装置
JP4845172B2 (ja) * 2005-03-30 2011-12-28 月島機械株式会社 有機化合物の断熱冷却式晶析方法及び装置
JP4666594B2 (ja) * 2005-03-30 2011-04-06 月島機械株式会社 有機化合物の断熱冷却式晶析方法及び装置
CA3041545C (en) 2016-11-14 2023-04-18 William H. Mitchell, Jr. Systems and methods for separating soluble solutions

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2659763A (en) * 1950-09-16 1953-11-17 California Research Corp Xylene separation
US2866833A (en) * 1953-09-14 1958-12-30 Standard Oil Co Paraxylene purification system
US3137554A (en) * 1956-09-11 1964-06-16 Exxon Research Engineering Co Purification by crystallization with a volatile refrigerant
NL125644C (https=) * 1961-05-22
US3371035A (en) * 1961-12-22 1968-02-27 Jacobs Engineering Co Plant and process for separation of water from aqueous solutions
US3327492A (en) * 1964-09-28 1967-06-27 Phillips Petroleum Co Process and apparatus for concentrating solutions

Also Published As

Publication number Publication date
FR1550155A (https=) 1968-12-20
JPS5333551B1 (https=) 1978-09-14
DE1619775B2 (de) 1973-09-06
DE1619775A1 (de) 1970-08-20
US3592016A (en) 1971-07-13
DE1619775C3 (de) 1974-04-25

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee