NL7502812A - METHOD FOR THE SEPARATION IN A CRYSTALLIZATION STEP OF VERY PURE PARAXYLENE. - Google Patents

METHOD FOR THE SEPARATION IN A CRYSTALLIZATION STEP OF VERY PURE PARAXYLENE.

Info

Publication number
NL7502812A
NL7502812A NL7502812A NL7502812A NL7502812A NL 7502812 A NL7502812 A NL 7502812A NL 7502812 A NL7502812 A NL 7502812A NL 7502812 A NL7502812 A NL 7502812A NL 7502812 A NL7502812 A NL 7502812A
Authority
NL
Netherlands
Prior art keywords
separation
crystallization step
pure paraxylene
paraxylene
pure
Prior art date
Application number
NL7502812A
Other languages
Dutch (nl)
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 NL7502812A publication Critical patent/NL7502812A/en

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)
NL7502812A 1974-03-11 1975-03-10 METHOD FOR THE SEPARATION IN A CRYSTALLIZATION STEP OF VERY PURE PARAXYLENE. NL7502812A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL7502812A true NL7502812A (en) 1975-09-15

Family

ID=23785971

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7502812A NL7502812A (en) 1974-03-11 1975-03-10 METHOD FOR THE SEPARATION IN A CRYSTALLIZATION STEP OF VERY PURE PARAXYLENE.

Country Status (11)

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

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8200075A (en) * 1982-01-11 1983-08-01 Tno METHOD FOR CONTINUALLY PARTIAL CRYSTALIZATION AND SEPARATION OF A LIQUID MIXTURE AND AN APPARATUS FOR CARRYING OUT THIS PROCESS.
US5498822A (en) * 1994-04-04 1996-03-12 Mobil Oil Corporation Single temperature stage crystallization of paraxylene
CN102372591B (en) * 2010-08-23 2014-03-26 中国石油化工股份有限公司 Crystallization method for p-xylene production
CN102372590B (en) * 2010-08-23 2014-03-26 中国石油化工股份有限公司 Crystallization method for preparing para-xylene from xylol
TW201240966A (en) * 2011-03-18 2012-10-16 Gtc Technology Us Llc Energy recovery from mother liquid in paraxylene crystallization process
CN103772127B (en) * 2012-10-25 2015-07-08 中国石油化工股份有限公司 Method for producing p-xylene
CN103880582B (en) * 2012-12-19 2015-08-12 中国石油化工股份有限公司 P-Xylol multistage crystallization method
CN112679305B (en) * 2019-10-18 2022-10-11 中国石油化工股份有限公司 Method for producing p-xylene

Also Published As

Publication number Publication date
BR7501394A (en) 1975-12-09
BE826553A (en) 1975-09-11
ES435492A1 (en) 1977-01-01
DE2509182A1 (en) 1975-10-02
GB1493489A (en) 1977-11-30
IT1029989B (en) 1979-03-20
DD117669A5 (en) 1976-01-20
TR18478A (en) 1977-02-24
FR2263994A1 (en) 1975-10-10
JPS50126624A (en) 1975-10-04

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