FR2743068B1 - PROCESS FOR PRODUCING PARAXYLENE IN TWO COMBINED ADSORPTION STEPS - Google Patents

PROCESS FOR PRODUCING PARAXYLENE IN TWO COMBINED ADSORPTION STEPS

Info

Publication number
FR2743068B1
FR2743068B1 FR9515525A FR9515525A FR2743068B1 FR 2743068 B1 FR2743068 B1 FR 2743068B1 FR 9515525 A FR9515525 A FR 9515525A FR 9515525 A FR9515525 A FR 9515525A FR 2743068 B1 FR2743068 B1 FR 2743068B1
Authority
FR
France
Prior art keywords
adsorption steps
producing paraxylene
combined adsorption
combined
paraxylene
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 - Lifetime
Application number
FR9515525A
Other languages
French (fr)
Other versions
FR2743068A1 (en
Inventor
Alexandre Rojey
Alain Methivier
Gerard Hotier
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.)
IFP Energies Nouvelles IFPEN
Original Assignee
IFP Energies Nouvelles IFPEN
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 IFP Energies Nouvelles IFPEN filed Critical IFP Energies Nouvelles IFPEN
Priority to FR9515525A priority Critical patent/FR2743068B1/en
Publication of FR2743068A1 publication Critical patent/FR2743068A1/en
Application granted granted Critical
Publication of FR2743068B1 publication Critical patent/FR2743068B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C7/00—Purification; Separation; Use of additives
    • C07C7/005—Processes comprising at least two steps in series
    • 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—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns recycling of the fraction to be distributed
    • B01D15/1821—Simulated moving beds
    • B01D15/1828—Simulated moving beds characterized by process features
    • 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
    • B01D15/1864—Selective adsorption, e.g. chromatography characterised by constructional or operational features relating to flow patterns using two or more columns
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR9515525A 1995-12-27 1995-12-27 PROCESS FOR PRODUCING PARAXYLENE IN TWO COMBINED ADSORPTION STEPS Expired - Lifetime FR2743068B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9515525A FR2743068B1 (en) 1995-12-27 1995-12-27 PROCESS FOR PRODUCING PARAXYLENE IN TWO COMBINED ADSORPTION STEPS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9515525A FR2743068B1 (en) 1995-12-27 1995-12-27 PROCESS FOR PRODUCING PARAXYLENE IN TWO COMBINED ADSORPTION STEPS

Publications (2)

Publication Number Publication Date
FR2743068A1 FR2743068A1 (en) 1997-07-04
FR2743068B1 true FR2743068B1 (en) 1998-02-06

Family

ID=9485983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9515525A Expired - Lifetime FR2743068B1 (en) 1995-12-27 1995-12-27 PROCESS FOR PRODUCING PARAXYLENE IN TWO COMBINED ADSORPTION STEPS

Country Status (1)

Country Link
FR (1) FR2743068B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9085499B2 (en) 2011-11-09 2015-07-21 Uop Llc Energy efficiency in adsorptive separation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3558732A (en) * 1969-05-12 1971-01-26 Universal Oil Prod Co Aromatic hydrocarbon separation by adsorption
US4940830A (en) * 1988-09-26 1990-07-10 Uop Rejective separation of para-xylene from xylene isomers and ethylbenzene with zeolites
TW200454B (en) * 1991-09-05 1993-02-21 Inst Of France Petroleum

Also Published As

Publication number Publication date
FR2743068A1 (en) 1997-07-04

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