FR92062E - Procédé de congélation de compositions liquides de xylènes - Google Patents

Procédé de congélation de compositions liquides de xylènes

Info

Publication number
FR92062E
FR92062E FR95406A FR95406A FR92062E FR 92062 E FR92062 E FR 92062E FR 95406 A FR95406 A FR 95406A FR 95406 A FR95406 A FR 95406A FR 92062 E FR92062 E FR 92062E
Authority
FR
France
Prior art keywords
xylenes
liquid compositions
freezing liquid
freezing
compositions
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
FR95406A
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 claimed from GB35367/65A external-priority patent/GB1104508A/en
Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to FR95406A priority Critical patent/FR92062E/fr
Application granted granted Critical
Publication of FR92062E publication Critical patent/FR92062E/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
    • B01D9/0004—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
FR95406A 1965-08-18 1967-02-17 Procédé de congélation de compositions liquides de xylènes Expired FR92062E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR95406A FR92062E (fr) 1965-08-18 1967-02-17 Procédé de congélation de compositions liquides de xylènes

Applications Claiming Priority (4)

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
FR95406A FR92062E (fr) 1965-08-18 1967-02-17 Procédé de congélation de compositions liquides de xylènes

Publications (1)

Publication Number Publication Date
FR92062E true FR92062E (fr) 1968-09-20

Family

ID=27444761

Family Applications (1)

Application Number Title Priority Date Filing Date
FR95406A Expired FR92062E (fr) 1965-08-18 1967-02-17 Procédé de congélation de compositions liquides de xylènes

Country Status (1)

Country Link
FR (1) FR92062E (fr)

Similar Documents

Publication Publication Date Title
FR1461942A (fr) Procédé de revaporisation de liquides cryogéniques
FR1423157A (fr) Procédé de préparation de matières artificielles
FR1431305A (fr) Procédé pour fabriquer en série des composants à semi-conducteurs
FR92062E (fr) Procédé de congélation de compositions liquides de xylènes
FR1489681A (fr) Procédé de congélation de compositions liquides de xylènes
CH468351A (fr) Procédé de préparation de cyclohexènes
CH459571A (fr) Procédé pour la préparation de nouveaux phénoplastes contenant du soufre
FR1475801A (fr) Procédé de préparation continue de substances cristallines
CH438287A (fr) Procédé de préparation de nouveaux dibenzocycloheptadiènes
FR1490478A (fr) Procédé de préparation de nouveaux nor-alcaloïdes
CH458320A (fr) Procédé de préparation du d-camphorate de 1-carnitinamide
FR1426349A (fr) Procédé de traitement de matières pulvérulentes
FR1480424A (fr) Procédé de purification de liquides
CH476958A (fr) Procédé et installation de congélation de substances liquides
FR1407782A (fr) Procédé pour réaliser des mélanges intimes de liquides
FR1440027A (fr) Procédé perfectionné pour la préparation du soufre
FR1444354A (fr) Procédé de préparation de substances mousseuses contenant des groupes uréthanes
FR1456238A (fr) Procédé de préparation de polyimides contenant des groupes azo
FR1236242A (fr) Procédé de purification de substances solides
FR1397491A (fr) Procédé de refroidissement de liquides et solides
CH437143A (fr) Procédé de cryo-séchage de matières
FR1445767A (fr) Procédé de production de cyclohexènes
FR1450917A (fr) Procédé de synthèse de cyclopentanediones
FR1435570A (fr) Procédé pour durcir des éthers de polyglycidyle liquides
FR1402389A (fr) Procédé de préparation de substances mousseuses contenant des groupes uréthanes