DE69013027D1 - Verfahren zur Herstellung einer Polyimidultrafiltrationsmembran und deren Verwendung zur Rückgewinnung eines Entwachsungshilfsmittels. - Google Patents

Verfahren zur Herstellung einer Polyimidultrafiltrationsmembran und deren Verwendung zur Rückgewinnung eines Entwachsungshilfsmittels.

Info

Publication number
DE69013027D1
DE69013027D1 DE69013027T DE69013027T DE69013027D1 DE 69013027 D1 DE69013027 D1 DE 69013027D1 DE 69013027 T DE69013027 T DE 69013027T DE 69013027 T DE69013027 T DE 69013027T DE 69013027 D1 DE69013027 D1 DE 69013027D1
Authority
DE
Germany
Prior art keywords
recovery
preparation
ultrafiltration membrane
dewaxing aid
polyimide ultrafiltration
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 - Fee Related
Application number
DE69013027T
Other languages
English (en)
Other versions
DE69013027T2 (de
Inventor
Bryce Parke Anderson
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 DE69013027D1 publication Critical patent/DE69013027D1/de
Publication of DE69013027T2 publication Critical patent/DE69013027T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • 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
    • 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
    • C10G73/04—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils with the use of filter aids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Water Supply & Treatment (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Lubricants (AREA)
DE69013027T 1989-02-16 1990-02-12 Verfahren zur Herstellung einer Polyimidultrafiltrationsmembran und deren Verwendung zur Rückgewinnung eines Entwachsungshilfsmittels. Expired - Fee Related DE69013027T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/312,020 US4908134A (en) 1989-02-16 1989-02-16 Ultrafiltration polyamide membrane and its use for recovery of dewaxing aid (OP-3454)

Publications (2)

Publication Number Publication Date
DE69013027D1 true DE69013027D1 (de) 1994-11-10
DE69013027T2 DE69013027T2 (de) 1995-03-02

Family

ID=23209518

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69013027T Expired - Fee Related DE69013027T2 (de) 1989-02-16 1990-02-12 Verfahren zur Herstellung einer Polyimidultrafiltrationsmembran und deren Verwendung zur Rückgewinnung eines Entwachsungshilfsmittels.

Country Status (5)

Country Link
US (1) US4908134A (de)
EP (1) EP0383521B1 (de)
JP (1) JPH02289685A (de)
CA (1) CA2009184A1 (de)
DE (1) DE69013027T2 (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5015270A (en) * 1989-10-10 1991-05-14 E. I. Du Pont De Nemours And Company Phenylindane-containing polyimide gas separation membranes
US5067970A (en) * 1990-05-11 1991-11-26 W. R. Grace & Co.-Conn. Asymmetric polyimide membranes
US5009679A (en) * 1990-05-25 1991-04-23 Air Products And Chemicals, Inc. Membranes formed from rigid aromatic polyimide polymers
TW205513B (de) * 1991-02-28 1993-05-11 Hoechst Ag
US5264166A (en) * 1993-04-23 1993-11-23 W. R. Grace & Co.-Conn. Polyimide membrane for separation of solvents from lube oil
US6180008B1 (en) 1998-07-30 2001-01-30 W. R. Grace & Co.-Conn. Polyimide membranes for hyperfiltration recovery of aromatic solvents
US8864996B2 (en) * 2007-08-28 2014-10-21 Exxonmobil Research And Engineering Company Reduction of conradson carbon residue and average boiling points utilizing high pressure ultrafiltration
US7867379B2 (en) * 2007-08-28 2011-01-11 Exxonmobil Research And Engineering Company Production of an upgraded stream from steam cracker tar by ultrafiltration
US8177965B2 (en) * 2007-08-28 2012-05-15 Exxonmobil Research And Engineering Company Enhancement of saturates content in heavy hydrocarbons utilizing ultrafiltration
US7897828B2 (en) * 2007-08-28 2011-03-01 Exxonmobile Research And Engineering Company Process for separating a heavy oil feedstream into improved products
US7871510B2 (en) * 2007-08-28 2011-01-18 Exxonmobil Research & Engineering Co. Production of an enhanced resid coker feed using ultrafiltration
US7736493B2 (en) * 2007-08-28 2010-06-15 Exxonmobil Research And Engineering Company Deasphalter unit throughput increase via resid membrane feed preparation
US7815790B2 (en) 2007-08-28 2010-10-19 Exxonmobil Research And Engineering Company Upgrade of visbroken residua products by ultrafiltration
WO2011149573A1 (en) * 2010-05-24 2011-12-01 Dow Global Technologies Llc Polyamide membrane with coating comprising polyalkylene oxide and oxy- substituted phenyl compounds

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3708458A (en) * 1971-03-16 1973-01-02 Upjohn Co Copolyimides of benzophenone tetracarboxylic acid dianhydride and mixture of diisocyanates
DK143986C (da) * 1973-04-12 1982-04-26 Berghof Forschungsinst Fremgangsmaade til fremstilling af uoploeselige asymmetriske polyimidmembraner
JPS5471785A (en) * 1977-11-18 1979-06-08 Nitto Electric Ind Co Ltd Selectively permeable membrane and production thereof
US4192732A (en) * 1978-07-21 1980-03-11 Toa Nenryo Kogyo Kabushiki Kaisha Recovery and recycle of dewaxing aid
JPS5827963B2 (ja) * 1979-05-17 1983-06-13 日東電工株式会社 選択性透過膜の製造方法
EP0023406B1 (de) * 1979-07-26 1983-04-13 Ube Industries, Ltd. Verfahren zur Herstellung semipermeabler, aromatischer Polyimidmembranen
CA1202837A (en) * 1980-03-14 1986-04-08 Wolfgang J. Wrasidlo Asymmetric membranes and process therefor
JPS5854841B2 (ja) * 1980-03-31 1983-12-07 日東電工株式会社 選択性透過膜の製造方法
EP0037730B1 (de) * 1980-04-08 1985-09-11 Brunswick Corporation Asymmetrische Ultrafiltrationsmembran und Verfahren zu ihrer Herstellung
US4307135A (en) * 1980-04-08 1981-12-22 The United States Of America As Represented By The Secretary Of The Interior Process for preparing an asymmetric permselective membrane
JPS57170936A (en) * 1981-04-14 1982-10-21 Ube Ind Ltd Preparation of porous polyimide film
GB2101137B (en) * 1981-04-14 1984-09-26 Ube Industries Producing porous aromatic imide polymer membranes
GB2104411B (en) * 1981-07-08 1985-02-20 Ube Industries Aromatic polyimide composite separating membrane
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
JPS60193505A (ja) * 1983-12-01 1985-10-02 エクソン・リサ−チ・アンド・エンジニアリング・カンパニ− 選択性膜をスパイラル状部材で使用する限外濾過によつて脱ワツクス助剤を回収する方法
JPS60190203A (ja) * 1984-03-12 1985-09-27 エクソン・リサ−チ・アンド・エンジニアリング・カンパニ− 半透膜の使用による脱ろう助剤の回収法
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

Also Published As

Publication number Publication date
EP0383521B1 (de) 1994-10-05
US4908134A (en) 1990-03-13
CA2009184A1 (en) 1990-08-16
JPH02289685A (ja) 1990-11-29
EP0383521A1 (de) 1990-08-22
DE69013027T2 (de) 1995-03-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee