CA1250530A - Dewaxing aid recovery by use of semipermeable membranes - Google Patents

Dewaxing aid recovery by use of semipermeable membranes

Info

Publication number
CA1250530A
CA1250530A CA000469050A CA469050A CA1250530A CA 1250530 A CA1250530 A CA 1250530A CA 000469050 A CA000469050 A CA 000469050A CA 469050 A CA469050 A CA 469050A CA 1250530 A CA1250530 A CA 1250530A
Authority
CA
Canada
Prior art keywords
dewaxing
wax
aid
dewaxing aid
oil
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
Application number
CA000469050A
Other languages
English (en)
French (fr)
Inventor
Biddanda U. Achia
Original Assignee
Imperial Oil Ltd
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 Imperial Oil Ltd filed Critical Imperial Oil Ltd
Application granted granted Critical
Publication of CA1250530A publication Critical patent/CA1250530A/en
Expired legal-status Critical Current

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
    • C10G73/04—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils with the use of filter aids
    • 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

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)
  • Nanotechnology (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
CA000469050A 1984-03-12 1984-11-30 Dewaxing aid recovery by use of semipermeable membranes Expired CA1250530A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58823684A 1984-03-12 1984-03-12
US588,236 1984-03-12

Publications (1)

Publication Number Publication Date
CA1250530A true CA1250530A (en) 1989-02-28

Family

ID=24353037

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000469050A Expired CA1250530A (en) 1984-03-12 1984-11-30 Dewaxing aid recovery by use of semipermeable membranes

Country Status (7)

Country Link
EP (1) EP0154746B1 (show.php)
JP (1) JPS60190203A (show.php)
AR (1) AR242427A1 (show.php)
CA (1) CA1250530A (show.php)
DE (1) DE3486002T2 (show.php)
ES (1) ES538129A0 (show.php)
IN (1) IN167504B (show.php)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8521607D0 (en) * 1985-08-30 1985-10-02 Shell Int Research Separation of solvents from hydrocarbons
US4898674A (en) * 1988-03-24 1990-02-06 Texaco Inc. Solvent dewaxing process
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
US4874523A (en) * 1988-08-12 1989-10-17 Exxon Research And Engineering Company Method for reducing the cloud point of materials using an ultrafiltration separation process
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
DE3905924C2 (de) * 1989-02-25 1997-11-20 Geesthacht Gkss Forschung Verfahren zur Trennung und Rückgewinnung von Komponenten von Gemischen mittels Pervaporation
US5102551A (en) * 1991-04-29 1992-04-07 Texaco Inc. Membrane process for treating a mixture containing dewaxed oil and dewaxing solvent
US20090012342A1 (en) * 2004-10-11 2009-01-08 Johannes Leendert Den Boestert Process to prepare a haze free base oil
CN102690154B (zh) * 2012-06-19 2014-09-10 葛洲坝易普力湖南二化民爆有限公司 炸药纸管石蜡回收装置
CN103978011B (zh) * 2014-05-12 2016-03-16 葛洲坝易普力湖北昌泰民爆有限公司 一种包装炸药纸管回收装置及其回收方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2064506A (en) * 1934-03-07 1936-12-15 Texas Co Dewaxing lubricating oil
US2612465A (en) * 1948-06-29 1952-09-30 Texaco Development Corp Separation of oil and wax by continuous filtration
US4192732A (en) * 1978-07-21 1980-03-11 Toa Nenryo Kogyo Kabushiki Kaisha Recovery and recycle of dewaxing aid
IN153421B (show.php) * 1978-12-28 1984-07-14 Exxon Research Engineering Co
GB2099015A (en) * 1981-05-20 1982-12-01 Shell Int Research Combined dewaxing-deoiling process using crystal modifier

Also Published As

Publication number Publication date
AR242427A1 (es) 1993-03-31
DE3486002T2 (de) 1993-04-01
ES8602915A1 (es) 1985-12-01
ES538129A0 (es) 1985-12-01
IN167504B (show.php) 1990-11-10
EP0154746B1 (en) 1992-12-02
JPH0585206B2 (show.php) 1993-12-06
DE3486002D1 (de) 1993-01-14
EP0154746A2 (en) 1985-09-18
EP0154746A3 (en) 1987-08-05
JPS60190203A (ja) 1985-09-27

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Legal Events

Date Code Title Description
MKEX Expiry