DE3482375D1 - Asymmetrische polyimidmembran zur umgekehrten osmose, verfahren zu ihrer herstellung und ihre anwendung zur trennung organischer fluessigkeiten. - Google Patents

Asymmetrische polyimidmembran zur umgekehrten osmose, verfahren zu ihrer herstellung und ihre anwendung zur trennung organischer fluessigkeiten.

Info

Publication number
DE3482375D1
DE3482375D1 DE8484303216T DE3482375T DE3482375D1 DE 3482375 D1 DE3482375 D1 DE 3482375D1 DE 8484303216 T DE8484303216 T DE 8484303216T DE 3482375 T DE3482375 T DE 3482375T DE 3482375 D1 DE3482375 D1 DE 3482375D1
Authority
DE
Germany
Prior art keywords
production
application
reverse osmosis
organic liquids
polyimide membrane
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
DE8484303216T
Other languages
English (en)
Inventor
Harry Franklin Shuey
Wankei Wan
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.)
ExxonMobil Technology and Engineering Co
Original Assignee
Exxon Research and Engineering Co
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 Exxon Research and Engineering Co filed Critical Exxon Research and Engineering Co
Application granted granted Critical
Publication of DE3482375D1 publication Critical patent/DE3482375D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B01D71/58—Other polymers having nitrogen in the main chain, with or without oxygen or carbon only
    • B01D71/62—Polycondensates having nitrogen-containing heterocyclic rings in the main chain
    • B01D71/64—Polyimides; Polyamide-imides; Polyester-imides; Polyamide acids or similar polyimide precursors
    • 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
    • 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
    • B01D61/10—Accessories; Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
    • B01D63/10—Spiral-wound membrane modules
    • B01D63/107—Specific properties of the central tube or the permeate channel
    • 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
    • B01D67/0002—Organic membrane manufacture
    • B01D67/0009—Organic membrane manufacture by phase separation, sol-gel transition, evaporation or solvent quenching
    • B01D67/0011—Casting solutions therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Dispersion Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
DE8484303216T 1983-05-13 1984-05-11 Asymmetrische polyimidmembran zur umgekehrten osmose, verfahren zu ihrer herstellung und ihre anwendung zur trennung organischer fluessigkeiten. Expired - Lifetime DE3482375D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US49454383A 1983-05-13 1983-05-13
US06/564,302 US4532041A (en) 1983-05-13 1983-12-22 Asymmetric polyimide reverse osmosis membrane, method for preparation of same and use thereof for organic liquid separations

Publications (1)

Publication Number Publication Date
DE3482375D1 true DE3482375D1 (de) 1990-07-05

Family

ID=27051441

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484303216T Expired - Lifetime DE3482375D1 (de) 1983-05-13 1984-05-11 Asymmetrische polyimidmembran zur umgekehrten osmose, verfahren zu ihrer herstellung und ihre anwendung zur trennung organischer fluessigkeiten.

Country Status (4)

Country Link
US (1) US4532041A (de)
EP (1) EP0125908B1 (de)
CA (1) CA1262807A (de)
DE (1) DE3482375D1 (de)

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KR100406362B1 (ko) * 1998-10-30 2004-02-14 주식회사 포스코 복합막 제조용 비대칭 지지막 제조방법 및 이로부터 제조된 투과성 및 기계적 강도가 개선된 비대칭 지지막
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US7250545B2 (en) * 2003-01-27 2007-07-31 L'air Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude At L'exploration Des Procedes Georges Claude Method of separating olefins from mixtures with paraffins
JP4494222B2 (ja) * 2002-12-02 2010-06-30 レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード パラフィンとの混合物からオレフィンを分離する方法
CA2435538A1 (en) * 2003-07-18 2005-01-18 Universite Laval Solvent resistant asymmetric integrally skinned membranes
US7393383B2 (en) * 2005-01-14 2008-07-01 L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Separation membrane made from blends of polyimide with polyamide or polyimide-amide polymers
US7422623B2 (en) * 2005-03-02 2008-09-09 L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Separation membrane by controlled annealing of polyimide polymers
US8101009B2 (en) * 2005-03-02 2012-01-24 L'air Liquide Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Separation membrane by controlled annealing of polyimide polymers
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CN109694746B (zh) * 2017-10-24 2021-11-19 中国石油化工股份有限公司 润滑油原料油脱蜡溶剂的回收方法和润滑油原料油脱蜡的方法
CN109694745B (zh) * 2017-10-24 2021-09-21 中国石油化工股份有限公司 重质润滑油原料油脱蜡溶剂的回收方法和重质润滑油原料油脱蜡的方法

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Also Published As

Publication number Publication date
EP0125908A2 (de) 1984-11-21
CA1262807A (en) 1989-11-14
EP0125908B1 (de) 1990-05-30
EP0125908A3 (en) 1987-03-25
US4532041A (en) 1985-07-30

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