GB1493489A - Process for the recovery of high purity paraxylene - Google Patents

Process for the recovery of high purity paraxylene

Info

Publication number
GB1493489A
GB1493489A GB10118/75A GB1011875A GB1493489A GB 1493489 A GB1493489 A GB 1493489A GB 10118/75 A GB10118/75 A GB 10118/75A GB 1011875 A GB1011875 A GB 1011875A GB 1493489 A GB1493489 A GB 1493489A
Authority
GB
United Kingdom
Prior art keywords
xylene
cake
zone
separating
mother liquor
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
GB10118/75A
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 GB1493489A publication Critical patent/GB1493489A/en
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)
GB10118/75A 1974-03-11 1975-03-11 Process for the recovery of high purity paraxylene Expired GB1493489A (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
GB1493489A true GB1493489A (en) 1977-11-30

Family

ID=23785971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10118/75A Expired GB1493489A (en) 1974-03-11 1975-03-11 Process for the recovery of high purity paraxylene

Country Status (11)

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

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084895A3 (en) * 1982-01-11 1983-08-10 Nederlandse Centrale Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek A process for the continuous partial crystallization and the separation of a liquid mixture and a device for carrying out this process
CN102372591A (zh) * 2010-08-23 2012-03-14 中国石油化工股份有限公司 生产对二甲苯的结晶方法
CN102372590A (zh) * 2010-08-23 2012-03-14 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
CN103596670A (zh) * 2011-03-18 2014-02-19 Gtc科技美国有限责任公司 在对二甲苯结晶工艺中从母液中回收能量的方法
CN103772127A (zh) * 2012-10-25 2014-05-07 中国石油化工股份有限公司 生产对二甲苯的方法
CN103880582A (zh) * 2012-12-19 2014-06-25 中国石油化工股份有限公司 对二甲苯多级结晶方法
CN112679305A (zh) * 2019-10-18 2021-04-20 中国石油化工股份有限公司 对二甲苯的生产方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5498822A (en) * 1994-04-04 1996-03-12 Mobil Oil Corporation Single temperature stage crystallization of paraxylene
FR2729660A1 (fr) * 1995-01-20 1996-07-26 Inst Francais Du Petrole Procede de production de paraxylene comportant une cristallisation a haute temperature a au moins un etage et une fusion partielle des cristaux

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084895A3 (en) * 1982-01-11 1983-08-10 Nederlandse Centrale Organisatie Voor Toegepast-Natuurwetenschappelijk Onderzoek A process for the continuous partial crystallization and the separation of a liquid mixture and a device for carrying out this process
CN102372591A (zh) * 2010-08-23 2012-03-14 中国石油化工股份有限公司 生产对二甲苯的结晶方法
CN102372590A (zh) * 2010-08-23 2012-03-14 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
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
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
EP2686096A4 (en) * 2011-03-18 2014-09-10 Gtc Technology Us Llc ENERGY RECOVERY FROM AN ORIGIN LIQUID IN A PARAXYLENE CRYSTALLIZATION PROCESS
CN103596670A (zh) * 2011-03-18 2014-02-19 Gtc科技美国有限责任公司 在对二甲苯结晶工艺中从母液中回收能量的方法
CN103772127A (zh) * 2012-10-25 2014-05-07 中国石油化工股份有限公司 生产对二甲苯的方法
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
CN103880582A (zh) * 2012-12-19 2014-06-25 中国石油化工股份有限公司 对二甲苯多级结晶方法
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
CN112679305A (zh) * 2019-10-18 2021-04-20 中国石油化工股份有限公司 对二甲苯的生产方法
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
DD117669A5 (enrdf_load_stackoverflow) 1976-01-20
DE2509182A1 (de) 1975-10-02
ES435492A1 (es) 1977-01-01
JPS50126624A (enrdf_load_stackoverflow) 1975-10-04
BR7501394A (pt) 1975-12-09
FR2263994A1 (enrdf_load_stackoverflow) 1975-10-10
NL7502812A (nl) 1975-09-15
IT1029989B (it) 1979-03-20
TR18478A (tr) 1977-02-24
BE826553A (fr) 1975-09-11

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee