TW338007B - Method and apparatus for recovering carboxylic acis from dilute solutions - Google Patents

Method and apparatus for recovering carboxylic acis from dilute solutions

Info

Publication number
TW338007B
TW338007B TW083109156A TW83109156A TW338007B TW 338007 B TW338007 B TW 338007B TW 083109156 A TW083109156 A TW 083109156A TW 83109156 A TW83109156 A TW 83109156A TW 338007 B TW338007 B TW 338007B
Authority
TW
Taiwan
Prior art keywords
acid
acids
retentate
dilute solutions
recovery
Prior art date
Application number
TW083109156A
Other languages
English (en)
Chinese (zh)
Inventor
Randa Wytcherley
Joseph C Gentry
Romald G Gualy
Original Assignee
Glitsch
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
Priority claimed from US08/224,601 external-priority patent/US5492625A/en
Application filed by Glitsch filed Critical Glitsch
Application granted granted Critical
Publication of TW338007B publication Critical patent/TW338007B/zh

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • 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
    • B01D11/0492—Applications, solvents used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025—Reverse osmosis; Hyperfiltration
    • B01D61/026—Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/027—Nanofiltration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02—Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/04—Feed pretreatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2311/00—Details relating to membrane separation process operations and control
    • B01D2311/04—Specific process operations in the feed stream; Feed pretreatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
TW083109156A 1994-04-07 1995-04-17 Method and apparatus for recovering carboxylic acis from dilute solutions TW338007B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/224,601 US5492625A (en) 1994-04-07 1994-04-07 Method of recovering carboxylic acids from dilute solutions

Publications (1)

Publication Number Publication Date
TW338007B true TW338007B (en) 1998-08-11

Family

ID=48451001

Family Applications (1)

Application Number Title Priority Date Filing Date
TW083109156A TW338007B (en) 1994-04-07 1995-04-17 Method and apparatus for recovering carboxylic acis from dilute solutions

Country Status (3)

Country Link
KR (1) KR950014052A (ko)
RU (1) RU95105337A (ko)
TW (1) TW338007B (ko)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2987830B1 (fr) * 2012-03-06 2014-12-12 Ocp Sa Procede de purification d'acide phosphorique par nanofiltration

Also Published As

Publication number Publication date
RU95105337A (ru) 1996-12-27
KR950014052A (ko) 1995-06-15

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