GB1221867A - Purification process for separating paraxylene from an aromatic hydrocarbon fraction - Google Patents

Purification process for separating paraxylene from an aromatic hydrocarbon fraction

Info

Publication number
GB1221867A
GB1221867A GB23894/68A GB2389468A GB1221867A GB 1221867 A GB1221867 A GB 1221867A GB 23894/68 A GB23894/68 A GB 23894/68A GB 2389468 A GB2389468 A GB 2389468A GB 1221867 A GB1221867 A GB 1221867A
Authority
GB
United Kingdom
Prior art keywords
xylene
cake
toluene
centrifugation
aromatic hydrocarbon
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
GB23894/68A
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.)
Sinclair Research Inc
Original Assignee
Sinclair Research Inc
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 Sinclair Research Inc filed Critical Sinclair Research Inc
Publication of GB1221867A publication Critical patent/GB1221867A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Crystallography & Structural Chemistry (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)
GB23894/68A 1967-05-22 1968-05-20 Purification process for separating paraxylene from an aromatic hydrocarbon fraction Expired GB1221867A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US64041667A 1967-05-22 1967-05-22
US64039967A 1967-05-22 1967-05-22

Publications (1)

Publication Number Publication Date
GB1221867A true GB1221867A (en) 1971-02-10

Family

ID=27093551

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23894/68A Expired GB1221867A (en) 1967-05-22 1968-05-20 Purification process for separating paraxylene from an aromatic hydrocarbon fraction

Country Status (6)

Country Link
US (2) US3462510A (cg-RX-API-DMAC7.html)
BE (1) BE715491A (cg-RX-API-DMAC7.html)
DE (1) DE1768473A1 (cg-RX-API-DMAC7.html)
FR (1) FR1564410A (cg-RX-API-DMAC7.html)
GB (1) GB1221867A (cg-RX-API-DMAC7.html)
NL (1) NL6807290A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0264226A1 (en) * 1986-10-09 1988-04-20 Imperial Chemical Industries Plc Separation process by crystallisation

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3662013A (en) * 1970-02-03 1972-05-09 Mobil Oil Corp Single stage crystallization process for separating high purity paraxylene
FR2728894A1 (fr) * 1994-12-29 1996-07-05 Inst Francais Du Petrole Procede de separation de paraxylene comportant au moins deux etages de cristallisation a haute temperature
CN115959968B (zh) * 2021-10-11 2025-09-26 中国石油化工股份有限公司 一种生产对二甲苯的方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA571632A (en) * 1959-03-03 M. Powers John Method for recovering paraxylene
US2795634A (en) * 1953-05-01 1957-06-11 Standard Oil Co Recovery of ortho-and para-xylenes from c8 aromatic mixtures
GB949161A (en) * 1959-04-30 1964-02-12 Maruzen Sekiyu Kabushiki Kaish A process and apparatus for manufacturing high purity p-xylene

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0264226A1 (en) * 1986-10-09 1988-04-20 Imperial Chemical Industries Plc Separation process by crystallisation
US4956520A (en) * 1986-10-09 1990-09-11 Imperial Chemical Industries Plc Separation process

Also Published As

Publication number Publication date
US3462506A (en) 1969-08-19
US3462510A (en) 1969-08-19
DE1768473A1 (de) 1971-10-07
BE715491A (cg-RX-API-DMAC7.html) 1968-11-21
NL6807290A (cg-RX-API-DMAC7.html) 1968-11-25
FR1564410A (cg-RX-API-DMAC7.html) 1969-04-18

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