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
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.)
Imperial Oil Ltd
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

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10GCRACKING 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
    • C10G73/00Recovery or refining of mineral waxes, e.g. montan wax
    • C10G73/02Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils
    • C10G73/04Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils with the use of filter aids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025Reverse osmosis; Hyperfiltration

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Nanotechnology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS60190203A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AR (1) AR242427A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1250530A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3486002T2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (1) ES8602915A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN167504B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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
US4963303A (en) * 1989-02-16 1990-10-16 Exxon Research & Engineering Company Ultrafiltration polyimide membrane and its use for recovery of dewaxing aid
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)
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
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
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 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 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
EP0154746A2 (en) 1985-09-18
ES538129A0 (es) 1985-12-01
ES8602915A1 (es) 1985-12-01
DE3486002T2 (de) 1993-04-01
EP0154746A3 (en) 1987-08-05
IN167504B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-11-10
JPS60190203A (ja) 1985-09-27
JPH0585206B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1993-12-06
DE3486002D1 (de) 1993-01-14
AR242427A1 (es) 1993-03-31
EP0154746B1 (en) 1992-12-02

Similar Documents

Publication Publication Date Title
EP0145126B1 (en) Selective extraction solvent recovery using regenerated cellulose under reverse osmosis conditions
CA1250530A (en) Dewaxing aid recovery by use of semipermeable membranes
EP0562005B1 (en) Integrated solvent extraction/membrane extraction with retentate recycle for improved raffinate yield
JP2002521190A (ja) 超濾過条件下で芳香族溶媒を回収するためのポリイミド膜
EP0146298B1 (en) Method and apparatus for separating filter aid from separated wax by selective permeation through a membrane
EP0695337B1 (en) Lubricating oil dewaxing using cold solvent recycle process
US5045206A (en) Selective multi-ring aromatics extraction using a porous, non-selective partition membrane barrier
EP0013834B1 (en) Method of converting a hydrophilic, water-containing regenerated cellulose membrane to a membrane useful for separating organic liquids
US4715960A (en) Method for the modification of polycarbonate membranes, the membranes produced by such method and their use
AU674962B2 (en) Lubricating oil dewaxing using membrane separation of cold solvent from dewaxed oil
AU679641B2 (en) Lubricating oil dewaxing with membrane separation of cold solvent
EP0185813B1 (en) Method for preparing thin regenerated cellulose membranes of high flux and selectivity for organic liquids separations
EP0200431B1 (en) Dewaxing waxy hydrocarbon oils using di-alkyl fumarate-vinyl laurate copolymer dewaxing aids
US2642377A (en) Dewaxing process
US4192732A (en) Recovery and recycle of dewaxing aid
US5084183A (en) Fractionation of light/heavy waxes by use of porous membranes
WO1997012013A1 (en) Dynamic selectivation membrane separation process
CA1215328A (en) Membrane separation process
US2081174A (en) Process of deasphalting and dewaxing petroleum oils
JPH0134643B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA2052982A1 (en) Reverse osmosis process for recovery of c3-c6 aliphatic hydrocarbon from oil
CA1117064A (en) Recovery and recycle of dewaxing aid
JPS60125206A (ja) 膜分離方法

Legal Events

Date Code Title Description
MKEX Expiry