DE1568867C3 - Verfahren zum Auskristallisieren von p-Xylol - Google Patents

Verfahren zum Auskristallisieren von p-Xylol

Info

Publication number
DE1568867C3
DE1568867C3 DE1568867A DE1568867A DE1568867C3 DE 1568867 C3 DE1568867 C3 DE 1568867C3 DE 1568867 A DE1568867 A DE 1568867A DE 1568867 A DE1568867 A DE 1568867A DE 1568867 C3 DE1568867 C3 DE 1568867C3
Authority
DE
Germany
Prior art keywords
cooling
xylene
coolant
liquid
finger
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
DE1568867A
Other languages
German (de)
English (en)
Other versions
DE1568867A1 (de
Inventor
Jerzy Konrad Williamson John Skrebowski
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
Publication of DE1568867A1 publication Critical patent/DE1568867A1/de
Application granted granted Critical
Publication of DE1568867C3 publication Critical patent/DE1568867C3/de
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
    • B01D9/005—Selection of auxiliary, e.g. for control of crystallisation nuclei, of crystal growth, of adherence to walls; Arrangements for introduction thereof
    • 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
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/10—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing sonic or ultrasonic vibrations
    • 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
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/30—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • 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
    • Y10S585/949—Miscellaneous considerations
    • Y10S585/95—Prevention or removal of corrosion or solid deposits
    • 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
    • Y10S585/953—Pulsed, sonic, or plasma process

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical 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)
  • Physical Or Chemical Processes And Apparatus (AREA)
DE1568867A 1965-08-18 1966-08-18 Verfahren zum Auskristallisieren von p-Xylol Expired DE1568867C3 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB35367/65A GB1104508A (en) 1965-08-18 1965-08-18 Refrigeration processes
GB918766 1966-03-02
GB2922666 1966-06-29

Publications (2)

Publication Number Publication Date
DE1568867A1 DE1568867A1 (de) 1970-04-02
DE1568867C3 true DE1568867C3 (de) 1974-07-04

Family

ID=27255327

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1568867A Expired DE1568867C3 (de) 1965-08-18 1966-08-18 Verfahren zum Auskristallisieren von p-Xylol

Country Status (5)

Country Link
US (1) US3513212A (en:Method)
BE (1) BE685705A (en:Method)
DE (1) DE1568867C3 (en:Method)
GB (1) GB1104508A (en:Method)
NL (1) NL6611631A (en:Method)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110433523A (zh) * 2019-09-02 2019-11-12 齐鲁师范学院 基于声波干预的硫酸铜结晶方法

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1326903A (en) * 1970-10-21 1973-08-15 Atomic Energy Authority Uk Crystallisation methods and apparatus therefor
US4704873A (en) * 1985-11-14 1987-11-10 Taiyo Sanso Co., Ltd. Method and apparatus for producing microfine frozen particles
DE4410347A1 (de) * 1994-03-25 1995-09-28 Rene Leutwyler Verfahren zum Entfernen von anorganischen Metallverbindungen aus Lösungen
DE4431872C1 (de) * 1994-09-07 1996-01-11 Santrade Ltd Anwendung von Ultraschall bei der Verfestigung von Schmelzen oder übersättigten Lösungen auf Förderbändern oder Aufnahmetrommeln
EP1033357A1 (en) * 1999-03-02 2000-09-06 Aerospace Propulsion Products B.V. Process for the production of crystalline energetic materials
FI127136B (en) * 2016-11-22 2017-12-15 Lappeenrannan Teknillinen Yliopisto Ultrasonic crystallizer and ultrasonic crystal system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514797A (en) * 1946-01-24 1950-07-11 Raytheon Mfg Co Heat exchanger
NL75853C (en:Method) * 1949-08-12
US2614134A (en) * 1950-06-21 1952-10-14 Standard Oil Dev Co Purification of crystalline substances
US2769852A (en) * 1953-04-01 1956-11-06 California Research Corp Separation of xylene isomers by fractional crystallization
US2816938A (en) * 1954-06-18 1957-12-17 Texas Co Fractional crystallization under pressure
US2794840A (en) * 1955-02-07 1957-06-04 Phillips Petroleum Co Fractional crystallization process and apparatus
US2815364A (en) * 1955-02-21 1957-12-03 Phillips Petroleum Co Fractional crystallization process and apparatus
BE550451A (en:Method) * 1955-08-22
US2846292A (en) * 1955-08-23 1958-08-05 Sun Oil Co Continuous crystallization apparatus
US3266263A (en) * 1962-06-11 1966-08-16 Phillips Petroleum Co Concentration of aqueous solutions by crystallization with sonic defoaming
US3395547A (en) * 1962-06-28 1968-08-06 Phillips Petroleum Co Fractional crystallization system
US3261170A (en) * 1963-05-10 1966-07-19 Phillips Petroleum Co Multi-stage crystallization process and apparatus
NL6507068A (en:Method) * 1964-06-10 1965-12-13

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110433523A (zh) * 2019-09-02 2019-11-12 齐鲁师范学院 基于声波干预的硫酸铜结晶方法

Also Published As

Publication number Publication date
NL6611631A (en:Method) 1967-02-20
BE685705A (en:Method) 1967-02-20
DE1568867A1 (de) 1970-04-02
GB1104508A (en) 1968-02-28
US3513212A (en) 1970-05-19

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee