ATE170097T1 - Polyimid-membran zur trennung von lösungsmitteln und schmieröl - Google Patents

Polyimid-membran zur trennung von lösungsmitteln und schmieröl

Info

Publication number
ATE170097T1
ATE170097T1 AT94911624T AT94911624T ATE170097T1 AT E170097 T1 ATE170097 T1 AT E170097T1 AT 94911624 T AT94911624 T AT 94911624T AT 94911624 T AT94911624 T AT 94911624T AT E170097 T1 ATE170097 T1 AT E170097T1
Authority
AT
Austria
Prior art keywords
solvents
separation
lubricant oil
polyimide membrane
membrane
Prior art date
Application number
AT94911624T
Other languages
English (en)
Inventor
Lloyd Steven White
I-Fan Wang
Bhupender Singh Minhas
Original Assignee
Grace W R & 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 Grace W R & Co filed Critical Grace W R & Co
Application granted granted Critical
Publication of ATE170097T1 publication Critical patent/ATE170097T1/de

Links

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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
AT94911624T 1993-04-23 1994-03-16 Polyimid-membran zur trennung von lösungsmitteln und schmieröl ATE170097T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/053,025 US5264166A (en) 1993-04-23 1993-04-23 Polyimide membrane for separation of solvents from lube oil

Publications (1)

Publication Number Publication Date
ATE170097T1 true ATE170097T1 (de) 1998-09-15

Family

ID=21981444

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94911624T ATE170097T1 (de) 1993-04-23 1994-03-16 Polyimid-membran zur trennung von lösungsmitteln und schmieröl

Country Status (7)

Country Link
US (2) US5264166A (de)
EP (1) EP0695213B1 (de)
AT (1) ATE170097T1 (de)
AU (1) AU6410194A (de)
DE (1) DE69412811T2 (de)
ES (1) ES2122259T3 (de)
WO (1) WO1994025146A1 (de)

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US5605627A (en) * 1992-10-07 1997-02-25 Minntech Corporation Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide
USRE36914E (en) * 1992-10-07 2000-10-17 Minntech Corp Dialysate filter including an asymmetric microporous, hollow fiber membrane incorporating a polyimide
US5358625A (en) * 1993-04-23 1994-10-25 Mobile Oil Corporation Lubricating oil dewaxing using membrane separation of cold solvent from dewaxed oil
US5494566A (en) * 1994-05-26 1996-02-27 Mobil Oil Corporation Lubricating oil dewaxing with membrane separation of cold solvent
US5651877A (en) * 1996-04-16 1997-07-29 Mobil Oil Corporation Lubricating oil dewaxing with membrane separation
US5824405A (en) * 1996-06-07 1998-10-20 W. R. Grace & Co.-Conn. Barrier membrane for protective clothing
JPH1085571A (ja) * 1996-07-26 1998-04-07 Dainippon Ink & Chem Inc 分離膜
US6187987B1 (en) * 1998-07-30 2001-02-13 Exxon Mobil Corporation Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes
US6180008B1 (en) * 1998-07-30 2001-01-30 W. R. Grace & Co.-Conn. Polyimide membranes for hyperfiltration recovery of aromatic solvents
GB2369311B (en) * 2000-11-24 2002-12-11 Membrane Extraction Tech Ltd Separating phase transfer agents
US6896796B2 (en) * 2001-02-16 2005-05-24 W. R. Grace & Co.-Conn. Membrane separation for sulfur reduction
GB2373743B (en) * 2001-03-27 2004-11-03 Membrane Extraction Tech Ltd Solvent exchange process
GB0126881D0 (en) * 2001-11-08 2002-01-02 Inst Materials Research & Eng Manufacture of polyimide hollow fibres
AU2003282900A1 (en) * 2002-10-01 2004-04-23 Kappler, Inc. Durable waterproof composite sheet material
US7018445B2 (en) * 2002-12-02 2006-03-28 L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Polyimide blends for gas separation membranes
GB0229423D0 (en) 2002-12-18 2003-01-22 Avecia Ltd Process
GB2437519B (en) * 2006-04-28 2010-04-21 Imp Innovations Ltd Method for separation
GB2441132A (en) 2006-06-28 2008-02-27 Pronova Biocare As Process for reducing the free fatty acid content of natural oils using a selectively permeable membrane
GB0709228D0 (en) 2007-05-14 2007-06-20 Katholieke Universltelt Leuven Cross-linked polyimide membranes
WO2010111755A2 (en) 2009-04-01 2010-10-07 Katholieke Universiteit Leuven - K.U.Leuven R & D Improved method for making cross-linked polyimide membranes
GB0909967D0 (en) * 2009-06-10 2009-07-22 Membrane Extraction Tech Ltd Polyimide membrane
EP2292317B1 (de) 2009-09-03 2016-04-13 Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. Kompositmembran
GB201012080D0 (en) 2010-07-19 2010-09-01 Imp Innovations Ltd Asymmetric membranes for use in nanofiltration
GB201012083D0 (en) 2010-07-19 2010-09-01 Imp Innovations Ltd Thin film composite membranes for separation
DE102011079778A1 (de) 2011-07-26 2013-01-31 Universität Duisburg-Essen Membran umfassend mindestens ein photochemisch vernetztes Polyimid
EP2641653B1 (de) * 2012-03-23 2021-05-12 Agfa-Gevaert Nv Verfahren zur herstellung von lösungsmittelbeständigen polymermembranen
CN105016522B (zh) * 2015-07-06 2017-05-10 郑州大学综合设计研究院有限公司 一种脂肪酸废水膜处理工艺
CN109692572B (zh) * 2017-10-24 2022-03-29 中国石油化工股份有限公司 轻质润滑油原料油脱蜡溶剂的回收方法和轻质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
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
CN115491226B (zh) * 2021-06-17 2024-03-26 中国石油化工股份有限公司 回收重质润滑油基础油滤液中脱蜡溶剂的方法

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US4715960A (en) * 1983-03-10 1987-12-29 Exxon Research And Engineering Company Method for the modification of polycarbonate membranes, the membranes produced by such method and their use
JPS6035091A (ja) * 1983-05-13 1985-02-22 エクソン・リサーチ・アンド・エンジニアリング・カンパニー 不整ポリイミド膜を用いた、潤滑油脱ろうプロセスでの脱ろう油からの脱ろう性溶剤の分離
US4532041A (en) * 1983-05-13 1985-07-30 Exxon Research And Engineering Co. Asymmetric polyimide reverse osmosis membrane, method for preparation of same and use thereof for organic liquid separations
US4541972A (en) * 1983-12-14 1985-09-17 Exxon Research And Engineering Co. Preparation of cellulose acetate membrane and its use for polar solvent-oil separation
US4678555A (en) * 1983-12-14 1987-07-07 Exxon Research And Engineering Company Preparation of cellulose acetate membrane and its use for polar solvent-oil separation
US4617126A (en) * 1984-08-03 1986-10-14 Uop Inc. Membrane separation of hydrocarbons
GB8521607D0 (en) * 1985-08-30 1985-10-02 Shell Int Research Separation of solvents from hydrocarbons
US4836927A (en) * 1988-03-28 1989-06-06 Exxon Research And Engineering Company Recovery of dewaxing aid using asymmetric polyimide ultrafiltration membrane and method for producing said membrane
US4908134A (en) * 1989-02-16 1990-03-13 Exxon Research And Engineering Company Ultrafiltration polyamide membrane and its use for recovery of dewaxing aid (OP-3454)
US4963303A (en) * 1989-02-16 1990-10-16 Exxon Research & Engineering Company Ultrafiltration polyimide membrane and its use for recovery of dewaxing aid
US4985138A (en) * 1989-11-08 1991-01-15 Texaco Inc. Process for treating a charge containing dewaxing solvent and dewaxed oil
GB8925477D0 (en) * 1989-11-10 1989-12-28 Shell Int Research Process for the separation of solvents from hydrocarbons dissolved in said solvents
US5067970A (en) * 1990-05-11 1991-11-26 W. R. Grace & Co.-Conn. Asymmetric polyimide membranes
NL9001274A (nl) * 1990-06-06 1992-01-02 X Flow Bv Semi-permeabel composietmembraan, alsmede werkwijze voor het vervaardigen ervan.
NL9001275A (nl) * 1990-06-06 1992-01-02 X Flow Bv Werkwijze voor het scheiden van componenten in een organisch vloeistofmilieu, alsmede een semi-permeabel composietmembraan daarvoor.
CA2052982A1 (en) * 1990-10-31 1991-12-28 Imperial Oil Reverse osmosis process for recovery of c3-c6 aliphatic hydrocarbon from oil
US5133867A (en) * 1990-10-31 1992-07-28 Exxon Research And Engineering Company Reverse osmosis process for recovery of C3 -C6 aliphatic hydrocarbon from oil
US5102551A (en) * 1991-04-29 1992-04-07 Texaco Inc. Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent
US5093002A (en) * 1991-04-29 1992-03-03 Texaco Inc. Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent
US5232472A (en) * 1992-11-03 1993-08-03 E. I. Du Pont De Nemours And Company Polyimide and polyamide-imide gas separation membranes

Also Published As

Publication number Publication date
US5264166A (en) 1993-11-23
EP0695213B1 (de) 1998-08-26
AU6410194A (en) 1994-11-21
ES2122259T3 (es) 1998-12-16
US5429748A (en) 1995-07-04
WO1994025146A1 (en) 1994-11-10
DE69412811D1 (de) 1998-10-01
EP0695213A1 (de) 1996-02-07
DE69412811T2 (de) 1999-04-29

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