SG43673A1 - Lubricating oil dewaxing using membrane separation of cold solvent from dewaxed oil and recycle of cold solvent to filter feed - Google Patents

Lubricating oil dewaxing using membrane separation of cold solvent from dewaxed oil and recycle of cold solvent to filter feed

Info

Publication number
SG43673A1
SG43673A1 SG1995001714A SG1995001714A SG43673A1 SG 43673 A1 SG43673 A1 SG 43673A1 SG 1995001714 A SG1995001714 A SG 1995001714A SG 1995001714 A SG1995001714 A SG 1995001714A SG 43673 A1 SG43673 A1 SG 43673A1
Authority
SG
Singapore
Prior art keywords
cold solvent
recycle
membrane separation
lubricating oil
filter feed
Prior art date
Application number
SG1995001714A
Other languages
English (en)
Inventor
Ronald Michael Gould
William Francis Heaney
Albert Richard Nitsch
Howard Edwin Spencer
Original Assignee
Mobil Oil Corp
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 Mobil Oil Corp filed Critical Mobil Oil Corp
Publication of SG43673A1 publication Critical patent/SG43673A1/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
    • C10G73/00—Recovery or refining of mineral waxes, e.g. montan wax
    • C10G73/02—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils
    • C10G73/06—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils with the use of solvents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
SG1995001714A 1993-04-23 1995-04-21 Lubricating oil dewaxing using membrane separation of cold solvent from dewaxed oil and recycle of cold solvent to filter feed SG43673A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/052,327 US5360530A (en) 1993-04-23 1993-04-23 Lubricating oil dewaxing using membrane separation of cold solvent from dewaxed oil and recycle of cold solvent to filter feed

Publications (1)

Publication Number Publication Date
SG43673A1 true SG43673A1 (en) 1997-11-14

Family

ID=21976884

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1995001714A SG43673A1 (en) 1993-04-23 1995-04-21 Lubricating oil dewaxing using membrane separation of cold solvent from dewaxed oil and recycle of cold solvent to filter feed

Country Status (8)

Country Link
US (1) US5360530A (ja)
EP (1) EP0695337B1 (ja)
JP (1) JP3586465B2 (ja)
AU (1) AU675323B2 (ja)
CA (1) CA2159322C (ja)
DE (1) DE69419253T2 (ja)
SG (1) SG43673A1 (ja)
WO (1) WO1994025543A1 (ja)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5494566A (en) * 1994-05-26 1996-02-27 Mobil Oil Corporation Lubricating oil dewaxing with membrane separation of cold solvent
AU6966396A (en) * 1995-09-28 1997-04-17 Mobil Oil Corporation Dynamic selectivation membrane separation process
JPH09136022A (ja) * 1995-11-10 1997-05-27 Toyota Central Res & Dev Lab Inc 非水系有機液体用濾過膜及びその製造方法，並びに非水系有機液体の濾過方法
US5651877A (en) * 1996-04-16 1997-07-29 Mobil Oil Corporation Lubricating oil dewaxing with membrane separation
US5959020A (en) * 1997-08-06 1999-09-28 Shamrock Technologies, Inc. Ultraviolet radiation curable compositions
US6833149B2 (en) * 1999-01-14 2004-12-21 Cargill, Incorporated Method and apparatus for processing vegetable oil miscella, method for conditioning a polymeric microfiltration membrane, membrane, and lecithin product
US6773578B1 (en) 2000-12-05 2004-08-10 Chevron U.S.A. Inc. Process for preparing lubes with high viscosity index values
US20090112041A1 (en) * 2005-06-23 2009-04-30 Gilbert Robert Bernard Germaine Process to Reduce the Pour Point of a Waxy Paraffinic Feedstock
JP5442254B2 (ja) * 2005-07-01 2014-03-12 シエル・インターナシヨネイル・リサーチ・マーチヤツピイ・ベー・ウイ ブライトストックブレンドの製造方法
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
WO2010111755A2 (en) 2009-04-01 2010-10-07 Katholieke Universiteit Leuven - K.U.Leuven R & D Improved method for making cross-linked polyimide membranes
GB201012080D0 (en) 2010-07-19 2010-09-01 Imp Innovations Ltd Asymmetric membranes for use in nanofiltration
DE102011079778A1 (de) 2011-07-26 2013-01-31 Universität Duisburg-Essen Membran umfassend mindestens ein photochemisch vernetztes Polyimid
AU2012365627B2 (en) * 2012-01-10 2017-05-25 C.C.Jensen A/S Method and system for cleaning degraded oil
PL3332853T3 (pl) * 2016-12-09 2019-09-30 Sulzer Chemtech Ag Sposób i urządzenie do oczyszczania mieszaniny zawierającej olej i wosk
DE102018211281A1 (de) * 2018-07-09 2020-01-09 Robert Bosch Gmbh Mikrofluidische Vorrichtung und Verfahren zum Verdünnen und Separieren von Partikeln einer Probe
DE102018131061A1 (de) 2018-12-05 2020-06-10 Endress+Hauser Conducta Gmbh+Co. Kg Verfahren zum Verdünnen einer Probenflüssigkeit und Verdünnungseinheit für eine nachfolgende Analyse
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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4368112A (en) * 1978-12-28 1983-01-11 Exxon Research And Engineering Co. Solvent recovery from foots oil using modified regenerated cellulose membranes
WO1982000029A1 (en) * 1980-06-20 1982-01-07 Pitman H Solvent dewaxing process
US4354921A (en) * 1981-07-27 1982-10-19 Texaco Inc. Solvent dewaxing process
US4432866A (en) * 1981-10-21 1984-02-21 Exxon Research And Engineering Co. Membrane separation process
NL193983C (nl) * 1982-03-04 2001-04-03 Shell Int Research Werkwijze voor het scheiden van een vloeibaar mengsel.
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
CA1262880A (en) * 1983-05-13 1989-11-14 William W. Wight Separation of dewaxing solvent from dewaxed oil in a lube oil dewaxing process using asymmetric polyimide membranes
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
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
US5042992A (en) * 1990-03-21 1991-08-27 W. R. Grace & Co.-Conn. Gas separation material
US5067970A (en) * 1990-05-11 1991-11-26 W. R. Grace & Co.-Conn. Asymmetric polyimide membranes

Also Published As

Publication number Publication date
US5360530A (en) 1994-11-01
JPH08508762A (ja) 1996-09-17
AU6711394A (en) 1994-11-21
EP0695337A4 (ja) 1996-02-21
CA2159322C (en) 2005-03-15
CA2159322A1 (en) 1994-11-10
DE69419253D1 (de) 1999-07-29
JP3586465B2 (ja) 2004-11-10
EP0695337B1 (en) 1999-06-23
AU675323B2 (en) 1997-01-30
WO1994025543A1 (en) 1994-11-10
DE69419253T2 (de) 1999-10-14
EP0695337A1 (en) 1996-02-07

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