BE826553A - Procede de cristallisation en un stade pour la separation de p-xylene de haute purete - Google Patents

Procede de cristallisation en un stade pour la separation de p-xylene de haute purete

Info

Publication number
BE826553A
BE826553A BE154231A BE154231A BE826553A BE 826553 A BE826553 A BE 826553A BE 154231 A BE154231 A BE 154231A BE 154231 A BE154231 A BE 154231A BE 826553 A BE826553 A BE 826553A
Authority
BE
Belgium
Prior art keywords
xylene
separation
crystallization process
stage crystallization
stage
Prior art date
Application number
BE154231A
Other languages
English (en)
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 filed Critical
Publication of BE826553A publication Critical patent/BE826553A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0269—Solid material in other moving receptacles
    • B01D11/0273—Solid material in other moving receptacles in rotating drums
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/028—Flow sheets
    • 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
    • B01D9/0059—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)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Chemistry (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)
BE154231A 1974-03-11 1975-03-11 Procede de cristallisation en un stade pour la separation de p-xylene de haute purete BE826553A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US44990974A 1974-03-11 1974-03-11

Publications (1)

Publication Number Publication Date
BE826553A true BE826553A (fr) 1975-09-11

Family

ID=23785971

Family Applications (1)

Application Number Title Priority Date Filing Date
BE154231A BE826553A (fr) 1974-03-11 1975-03-11 Procede de cristallisation en un stade pour la separation de p-xylene de haute purete

Country Status (11)

Country Link
JP (1) JPS50126624A (fr)
BE (1) BE826553A (fr)
BR (1) BR7501394A (fr)
DD (1) DD117669A5 (fr)
DE (1) DE2509182A1 (fr)
ES (1) ES435492A1 (fr)
FR (1) FR2263994A1 (fr)
GB (1) GB1493489A (fr)
IT (1) IT1029989B (fr)
NL (1) NL7502812A (fr)
TR (1) TR18478A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8200075A (nl) * 1982-01-11 1983-08-01 Tno Werkwijze voor het continu gedeeltelijk kristaliseren en het scheiden van een vloeibaar mengsel en een inrichting voor het uitvoeren van deze werkwijze.
US5498822A (en) * 1994-04-04 1996-03-12 Mobil Oil Corporation Single temperature stage crystallization of paraxylene
CN102372591B (zh) * 2010-08-23 2014-03-26 中国石油化工股份有限公司 生产对二甲苯的结晶方法
CN102372590B (zh) * 2010-08-23 2014-03-26 中国石油化工股份有限公司 由混合二甲苯生产对二甲苯的结晶方法
TW201240966A (en) * 2011-03-18 2012-10-16 Gtc Technology Us Llc Energy recovery from mother liquid in paraxylene crystallization process
CN103772127B (zh) * 2012-10-25 2015-07-08 中国石油化工股份有限公司 生产对二甲苯的方法
CN103880582B (zh) * 2012-12-19 2015-08-12 中国石油化工股份有限公司 对二甲苯多级结晶方法
CN112679305B (zh) * 2019-10-18 2022-10-11 中国石油化工股份有限公司 对二甲苯的生产方法

Also Published As

Publication number Publication date
IT1029989B (it) 1979-03-20
ES435492A1 (es) 1977-01-01
FR2263994A1 (fr) 1975-10-10
BR7501394A (pt) 1975-12-09
JPS50126624A (fr) 1975-10-04
DD117669A5 (fr) 1976-01-20
NL7502812A (nl) 1975-09-15
DE2509182A1 (de) 1975-10-02
TR18478A (tr) 1977-02-24
GB1493489A (en) 1977-11-30

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