FR1072534A - Improvements to semi-permeable membranes - Google Patents

Improvements to semi-permeable membranes

Info

Publication number
FR1072534A
FR1072534A FR1072534DA FR1072534A FR 1072534 A FR1072534 A FR 1072534A FR 1072534D A FR1072534D A FR 1072534DA FR 1072534 A FR1072534 A FR 1072534A
Authority
FR
France
Prior art keywords
semi
permeable membranes
membranes
permeable
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
Other languages
French (fr)
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.)
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
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 National Research Development Corp UK filed Critical National Research Development Corp UK
Application granted granted Critical
Publication of FR1072534A publication Critical patent/FR1072534A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals
    • B01D71/381—Polyvinylalcohol
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081—After-treatment of organic or inorganic membranes
    • B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
    • 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
    • B01D71/38—Polyalkenylalcohols; Polyalkenylesters; Polyalkenylethers; Polyalkenylaldehydes; Polyalkenylketones; Polyalkenylacetals; Polyalkenylketals

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
FR1072534D 1952-12-16 1952-12-17 Improvements to semi-permeable membranes Expired FR1072534A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB29620/51A GB723233A (en) 1952-12-16 1952-12-16 Improvements in and relating to semi-permeable membranes

Publications (1)

Publication Number Publication Date
FR1072534A true FR1072534A (en) 1954-09-14

Family

ID=10294443

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1072534D Expired FR1072534A (en) 1952-12-16 1952-12-17 Improvements to semi-permeable membranes

Country Status (2)

Country Link
FR (1) FR1072534A (en)
GB (1) GB723233A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018177498A1 (en) * 2017-03-27 2018-10-04 Paris Sciences Et Lettres - Quartier Latin Use of nanoporous carbon membranes for separating aqueous/organic mixtures.
CN114984767B (en) * 2022-06-06 2023-10-13 浙江大学 Intelligent shrinkage cavity method for polymer porous membrane surface and organic solvent nanofiltration membrane product thereof

Also Published As

Publication number Publication date
GB723233A (en) 1955-02-02

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