DE68905403T2 - Verfahren zur erniedrigung des truebungspunktes von materialien unter anwendung eines ultrafiltrations-separationsprozesses. - Google Patents

Verfahren zur erniedrigung des truebungspunktes von materialien unter anwendung eines ultrafiltrations-separationsprozesses.

Info

Publication number
DE68905403T2
DE68905403T2 DE8989308158T DE68905403T DE68905403T2 DE 68905403 T2 DE68905403 T2 DE 68905403T2 DE 8989308158 T DE8989308158 T DE 8989308158T DE 68905403 T DE68905403 T DE 68905403T DE 68905403 T2 DE68905403 T2 DE 68905403T2
Authority
DE
Germany
Prior art keywords
turbet
reducing
materials
point
separation process
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
DE8989308158T
Other languages
English (en)
Other versions
DE68905403D1 (de
Inventor
Lucie Yollande Lafreniere
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
Publication of DE68905403D1 publication Critical patent/DE68905403D1/de
Application granted granted Critical
Publication of DE68905403T2 publication Critical patent/DE68905403T2/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
    • 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
    • C10G73/32—Methods of cooling during dewaxing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DE8989308158T 1988-08-12 1989-08-10 Verfahren zur erniedrigung des truebungspunktes von materialien unter anwendung eines ultrafiltrations-separationsprozesses. Expired - Fee Related DE68905403T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/231,332 US4874523A (en) 1988-08-12 1988-08-12 Method for reducing the cloud point of materials using an ultrafiltration separation process

Publications (2)

Publication Number Publication Date
DE68905403D1 DE68905403D1 (de) 1993-04-22
DE68905403T2 true DE68905403T2 (de) 1993-06-24

Family

ID=22868778

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989308158T Expired - Fee Related DE68905403T2 (de) 1988-08-12 1989-08-10 Verfahren zur erniedrigung des truebungspunktes von materialien unter anwendung eines ultrafiltrations-separationsprozesses.

Country Status (5)

Country Link
US (1) US4874523A (de)
EP (1) EP0356081B1 (de)
JP (1) JPH0275329A (de)
CA (1) CA1323843C (de)
DE (1) DE68905403T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4001851A1 (de) * 1990-01-23 1991-07-25 Berghof Elektronik Produktions Verfahren und vorrichtung zur reinigung, rueckgewinnung und wiederverwendung heisser, waessriger entfettungsbaeder und spritzreiniger
US5084183A (en) * 1990-10-31 1992-01-28 Exxon Research And Engineering Company Fractionation of light/heavy waxes by use of porous membranes
US5173172A (en) * 1991-08-19 1992-12-22 Exxon Research And Engineering Company Production of hard asphalts by ultrafiltration of vacuum residua
DE4205905A1 (de) * 1992-02-26 1993-09-02 Altenburger Electronic Gmbh Verfahren und anlage zur entsorgung von fluessigen problemabfaellen, insbesondere aus oel- und fettabscheidern, fahrzeug-, maschinen- und behaelter-waschanlagen
FR2713656B1 (fr) * 1993-12-10 1996-01-26 Union Beurriere Sa Procédé de séparation d'une matière grasse anhydre en fractions à hauts et bas points de fusion et dispositif de mise en Óoeuvre.
US5820690A (en) * 1995-06-07 1998-10-13 Membrex, Inc. Cleaning processes using cleaners exhibiting cloud point behavior
US6063428A (en) 1996-02-26 2000-05-16 The Procter & Gamble Company Green tea extract subjected to cation exchange treatment and nanofiltration to improve clarity and color
JP2008516036A (ja) * 2004-10-11 2008-05-15 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 曇りのない基油の製造方法
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
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
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
US7867379B2 (en) * 2007-08-28 2011-01-11 Exxonmobil Research And Engineering Company Production of an upgraded stream from steam cracker tar by ultrafiltration
US8236168B2 (en) * 2009-10-13 2012-08-07 Exxonmobil Research And Engineering Company Onset haze measurement apparatus and procedure
US8394256B2 (en) * 2009-10-13 2013-03-12 Exxonmobil Research And Engineering Company Method for haze mitigation and filterability improvement for base stocks

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3223624A (en) * 1962-12-07 1965-12-14 Exxon Research Engineering Co Lubricating grease
US4129583A (en) * 1971-05-19 1978-12-12 Klaus Zondek Process for separating crystallizable fractions from mixtures thereof
US3850740A (en) * 1972-08-29 1974-11-26 Exxon Research Engineering Co Partial predilution dilution chilling
US3871991A (en) * 1973-06-22 1975-03-18 Exxon Research Engineering Co Temporarily immiscible dewaxing
DE2553416A1 (de) * 1975-11-27 1977-06-02 Hager & Elsaesser Verfahren zum abtrennen von geloesten stoffen aus einer loesung
US4502787A (en) * 1981-03-20 1985-03-05 Exxon Research & Engineering Co. Agitated heat exchanger to chill solvent-oil and wax slurry to wax filtration temperature
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
US4496456A (en) * 1983-06-03 1985-01-29 Exxon Research & Engineering Co. Method for preparing thin regenerated cellulose membranes of high flux and selectivity for organic liquids 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
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
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
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

Also Published As

Publication number Publication date
US4874523A (en) 1989-10-17
JPH0275329A (ja) 1990-03-15
DE68905403D1 (de) 1993-04-22
EP0356081A1 (de) 1990-02-28
EP0356081B1 (de) 1993-03-17
CA1323843C (en) 1993-11-02

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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