GB1488616A - Dual desorbent composition and temperature separation processes - Google Patents

Dual desorbent composition and temperature separation processes

Info

Publication number
GB1488616A
GB1488616A GB11938/75A GB1193875A GB1488616A GB 1488616 A GB1488616 A GB 1488616A GB 11938/75 A GB11938/75 A GB 11938/75A GB 1193875 A GB1193875 A GB 1193875A GB 1488616 A GB1488616 A GB 1488616A
Authority
GB
United Kingdom
Prior art keywords
stream
desorbent
zone
section
desorption
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
GB11938/75A
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering 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 Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Publication of GB1488616A publication Critical patent/GB1488616A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
    • B01D15/18—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
    • B01D15/1814—Recycling of the fraction to be distributed
    • B01D15/1821—Simulated moving beds
    • B01D15/1828—Simulated moving beds characterised by process features
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/12—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers
    • C07C7/13—Purification; Separation; Use of additives by adsorption, i.e. purification or separation of hydrocarbons with the aid of solids, e.g. with ion-exchangers by molecular-sieve technique
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D15/00—Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • B01D15/08—Selective adsorption, e.g. chromatography
    • B01D15/10—Selective adsorption, e.g. chromatography characterised by constructional or operational features
    • B01D15/18—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns
    • B01D15/1814—Recycling of the fraction to be distributed
    • B01D15/1821—Simulated moving beds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
GB11938/75A 1974-04-01 1975-03-21 Dual desorbent composition and temperature separation processes Expired GB1488616A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US45705674A 1974-04-01 1974-04-01
US55645875A 1975-03-07 1975-03-07
US55643575A 1975-03-07 1975-03-07

Publications (1)

Publication Number Publication Date
GB1488616A true GB1488616A (en) 1977-10-12

Family

ID=27412694

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11938/75A Expired GB1488616A (en) 1974-04-01 1975-03-21 Dual desorbent composition and temperature separation processes

Country Status (5)

Country Link
JP (1) JPS5853923B2 (cg-RX-API-DMAC10.html)
DE (1) DE2513953C2 (cg-RX-API-DMAC10.html)
FR (1) FR2274331A1 (cg-RX-API-DMAC10.html)
GB (1) GB1488616A (cg-RX-API-DMAC10.html)
NL (1) NL176434C (cg-RX-API-DMAC10.html)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0105698A1 (en) * 1982-09-28 1984-04-18 Exxon Research And Engineering Company A process for separating ethylbenzene from feedstream containing meta-xylene using a zeolite adsorbent
US5114590A (en) * 1989-08-28 1992-05-19 Institut Francais Du Petrole Continuous process and device for the chromatographic separation of a mixture of at least three constituents into three purified effluents by means of a single solvent at two different temperatures and/or at two different pressures
WO2000017134A1 (en) * 1998-09-24 2000-03-30 Imperial Chemical Industries Plc Separation of hydrocarbons using adsorption technics

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2593409B1 (fr) * 1986-01-30 1990-08-24 Centre Nat Rech Scient Procede de separation des constituants d'un melange comprenant au moins deux composes connus pour etre difficiles a separer et faisant appel au phenomene d'adsorption
FR2651148B1 (fr) * 1989-08-28 1992-05-07 Inst Francais Du Petrole Procede continu et dispositif de separation chromatographique d'un melange d'au moins trois constituants en trois effluents purifies au moyen de deux solvants.
JP6409589B2 (ja) * 2015-01-21 2018-10-24 東洋紡株式会社 水処理装置
JP7696999B2 (ja) * 2020-08-26 2025-06-23 中国石油化工股▲ふん▼有限公司 吸着蒸留によりエチルベンゼンを分離するための複合吸着剤およびその応用

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3723302A (en) * 1971-04-30 1973-03-27 Universal Oil Prod Co Process for separating olefins from saturated hydrocarbons
JPS5431443B2 (cg-RX-API-DMAC10.html) * 1973-06-05 1979-10-06

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0105698A1 (en) * 1982-09-28 1984-04-18 Exxon Research And Engineering Company A process for separating ethylbenzene from feedstream containing meta-xylene using a zeolite adsorbent
US5114590A (en) * 1989-08-28 1992-05-19 Institut Francais Du Petrole Continuous process and device for the chromatographic separation of a mixture of at least three constituents into three purified effluents by means of a single solvent at two different temperatures and/or at two different pressures
WO2000017134A1 (en) * 1998-09-24 2000-03-30 Imperial Chemical Industries Plc Separation of hydrocarbons using adsorption technics

Also Published As

Publication number Publication date
JPS5853923B2 (ja) 1983-12-02
JPS50140373A (cg-RX-API-DMAC10.html) 1975-11-11
NL176434C (nl) 1985-04-16
FR2274331B1 (cg-RX-API-DMAC10.html) 1982-03-26
DE2513953C2 (de) 1986-01-02
FR2274331A1 (fr) 1976-01-09
DE2513953A1 (de) 1976-01-02
NL7503716A (nl) 1975-10-03
NL176434B (nl) 1984-11-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930321