CA1311236C - Procede de separation supercritique pour des melanges organiques complexes - Google Patents

Procede de separation supercritique pour des melanges organiques complexes

Info

Publication number
CA1311236C
CA1311236C CA000590134A CA590134A CA1311236C CA 1311236 C CA1311236 C CA 1311236C CA 000590134 A CA000590134 A CA 000590134A CA 590134 A CA590134 A CA 590134A CA 1311236 C CA1311236 C CA 1311236C
Authority
CA
Canada
Prior art keywords
entrainer
solution
molecular weight
low molecular
carbon dioxide
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 - Fee Related
Application number
CA000590134A
Other languages
English (en)
Inventor
Helena L. Chum
Giuseppe Filardo
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.)
Midwest Research Institute
Original Assignee
Midwest Research Institute
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 Midwest Research Institute filed Critical Midwest Research Institute
Application granted granted Critical
Publication of CA1311236C publication Critical patent/CA1311236C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/04—Solvent extraction of solutions which are liquid
    • B01D11/0403—Solvent extraction of solutions which are liquid with a supercritical fluid
    • B01D11/0407—Solvent extraction of solutions which are liquid with a supercritical fluid the supercritical fluid acting as solvent for the solute
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/26—Treatment of water, waste water, or sewage by extraction
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F11/00—Treatment of sludge; Devices therefor
    • C02F11/002—Sludge treatment using liquids immiscible with water

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA000590134A 1988-02-10 1989-02-03 Procede de separation supercritique pour des melanges organiques complexes Expired - Fee Related CA1311236C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15421088A 1988-02-10 1988-02-10
US154,210 1988-02-10

Publications (1)

Publication Number Publication Date
CA1311236C true CA1311236C (fr) 1992-12-08

Family

ID=22550449

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000590134A Expired - Fee Related CA1311236C (fr) 1988-02-10 1989-02-03 Procede de separation supercritique pour des melanges organiques complexes

Country Status (3)

Country Link
AU (1) AU3064189A (fr)
CA (1) CA1311236C (fr)
WO (1) WO1989007480A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5240603A (en) * 1990-03-02 1993-08-31 Hewlett-Packard Company Decoupled flow and pressure setpoints in an extraction instrument using compressible fluids
DE19634111A1 (de) * 1996-08-23 1998-02-26 Eisenmann Ernst Dipl Ing Fh Biomasseumsetzung zu Kraftstoffen mittels überkritischer Kohlensäure
US8048304B2 (en) 2007-12-27 2011-11-01 Dynasep Llc Solvent extraction and recovery
CN111040880A (zh) * 2020-01-08 2020-04-21 湖北中烟工业有限责任公司 一种高纯度芸香草精油的制备方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2772965A (en) * 1953-06-02 1956-12-04 Rayonier Inc Recovery of chemicals in wood pulp preparation
US3478109A (en) * 1967-07-28 1969-11-11 Eastman Kodak Co Solvent extraction of polymeric glycols using methanol
US4349415A (en) * 1979-09-28 1982-09-14 Critical Fluid Systems, Inc. Process for separating organic liquid solutes from their solvent mixtures
US4474994A (en) * 1982-09-13 1984-10-02 Monsanto Company Purification of vanillin
US4770780A (en) * 1984-04-25 1988-09-13 Cf Systems Corporation Liquid CO2 /cosolvent extraction
US4617090A (en) * 1984-12-20 1986-10-14 The United States Of America As Represented By The United States Department Of Energy Process for producing peracids from aliphatic hydroxy carboxylic acids
US4584057A (en) * 1985-04-22 1986-04-22 The United States Of America As Represented By The Secretary Of Agriculture Membrane processes for separation of organic acids from kraft black liquors
US4568447A (en) * 1985-07-29 1986-02-04 Uop Inc. Process for the removal of trace quantities of hydrocarbonaceous compounds from an aqueous stream

Also Published As

Publication number Publication date
WO1989007480A1 (fr) 1989-08-24
AU3064189A (en) 1989-09-06

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Legal Events

Date Code Title Description
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