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ES435492A1 - Procedimiento para separar paraxileno de una mezcla normal- mente liquida de isomeros de xileno y aromaticos c 8grados. - Google Patents

Procedimiento para separar paraxileno de una mezcla normal- mente liquida de isomeros de xileno y aromaticos c 8grados.

Info

Publication number
ES435492A1
ES435492A1 ES435492A ES435492A ES435492A1 ES 435492 A1 ES435492 A1 ES 435492A1 ES 435492 A ES435492 A ES 435492A ES 435492 A ES435492 A ES 435492A ES 435492 A1 ES435492 A1 ES 435492A1
Authority
ES
Spain
Prior art keywords
paraxylene
zone
cake
washing liquid
separating
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
ES435492A
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.)
Standard Oil Co
Original Assignee
Standard Oil Co
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 Standard Oil Co filed Critical Standard Oil Co
Publication of ES435492A1 publication Critical patent/ES435492A1/es
Expired legal-status Critical Current

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)
ES435492A 1974-03-11 1975-03-11 Procedimiento para separar paraxileno de una mezcla normal- mente liquida de isomeros de xileno y aromaticos c 8grados. Expired ES435492A1 (es)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ES435492A1 true ES435492A1 (es) 1977-01-01

Family

ID=23785971

Family Applications (1)

Application Number Title Priority Date Filing Date
ES435492A Expired ES435492A1 (es) 1974-03-11 1975-03-11 Procedimiento para separar paraxileno de una mezcla normal- mente liquida de isomeros de xileno y aromaticos c 8grados.

Country Status (11)

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

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
BE826553A (fr) 1975-09-11
TR18478A (tr) 1977-02-24
BR7501394A (pt) 1975-12-09
NL7502812A (nl) 1975-09-15
DE2509182A1 (de) 1975-10-02
JPS50126624A (es) 1975-10-04
FR2263994A1 (es) 1975-10-10
GB1493489A (en) 1977-11-30
IT1029989B (it) 1979-03-20
DD117669A5 (es) 1976-01-20

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