CA2735637C - Methode de production de diol ou de triol - Google Patents

Methode de production de diol ou de triol Download PDF

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Publication number
CA2735637C
CA2735637C CA2735637A CA2735637A CA2735637C CA 2735637 C CA2735637 C CA 2735637C CA 2735637 A CA2735637 A CA 2735637A CA 2735637 A CA2735637 A CA 2735637A CA 2735637 C CA2735637 C CA 2735637C
Authority
CA
Canada
Prior art keywords
membrane
butanediol
nanofiltration
diol
triol
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.)
Active
Application number
CA2735637A
Other languages
English (en)
Other versions
CA2735637A1 (fr
Inventor
Izumi Morita
Masateru Ito
Hideki Sawai
Shinichi Minegishi
Katsushige Yamada
Kenji Kawamura
Shinichi Yamane
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.)
Toray Industries Inc
Original Assignee
Toray Industries Inc
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 Toray Industries Inc filed Critical Toray Industries Inc
Priority to CA2735637A priority Critical patent/CA2735637C/fr
Publication of CA2735637A1 publication Critical patent/CA2735637A1/fr
Application granted granted Critical
Publication of CA2735637C publication Critical patent/CA2735637C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • B01D61/58—Multistep processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06—Organic material
    • B01D71/56—Polyamides, e.g. polyester-amides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
    • C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
    • C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
    • 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
    • B01D2311/26—Further operations combined with membrane separation processes
    • B01D2311/2669—Distillation
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Une méthode de production dun diol ou dun triol qui comprend une étape délimination des impuretés contenues dans une solution renfermant un diol ou un triol est présentée. Dans la méthode, une solution renfermant un diol ou un triol est filtrée dans une membrane de nanofiltration comportant une couche polyamide fonctionnelle. La solution renfermant du diol ou du triol est ensuite recueillie du flux de perméat de la membrane de nanofiltration.
CA2735637A 2011-03-29 2011-03-29 Methode de production de diol ou de triol Active CA2735637C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2735637A CA2735637C (fr) 2011-03-29 2011-03-29 Methode de production de diol ou de triol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2735637A CA2735637C (fr) 2011-03-29 2011-03-29 Methode de production de diol ou de triol

Publications (2)

Publication Number Publication Date
CA2735637A1 CA2735637A1 (fr) 2012-09-29
CA2735637C true CA2735637C (fr) 2018-07-17

Family

ID=46889558

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2735637A Active CA2735637C (fr) 2011-03-29 2011-03-29 Methode de production de diol ou de triol

Country Status (1)

Country Link
CA (1) CA2735637C (fr)

Also Published As

Publication number Publication date
CA2735637A1 (fr) 2012-09-29

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