GB2256199B - Improved solvent dewaxing process - Google Patents

Improved solvent dewaxing process

Info

Publication number
GB2256199B
GB2256199B GB9111547A GB9111547A GB2256199B GB 2256199 B GB2256199 B GB 2256199B GB 9111547 A GB9111547 A GB 9111547A GB 9111547 A GB9111547 A GB 9111547A GB 2256199 B GB2256199 B GB 2256199B
Authority
GB
United Kingdom
Prior art keywords
solvent dewaxing
dewaxing process
improved solvent
improved
solvent
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
GB9111547A
Other versions
GB2256199A (en
GB9111547D0 (en
Inventor
James David Bell
Thomas Edwin Broadhurst
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
Priority to GB9111547A priority Critical patent/GB2256199B/en
Publication of GB9111547D0 publication Critical patent/GB9111547D0/en
Publication of GB2256199A publication Critical patent/GB2256199A/en
Application granted granted Critical
Publication of GB2256199B publication Critical patent/GB2256199B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C10G73/32—Methods of cooling during dewaxing

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)
GB9111547A 1991-05-29 1991-05-29 Improved solvent dewaxing process Expired - Fee Related GB2256199B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9111547A GB2256199B (en) 1991-05-29 1991-05-29 Improved solvent dewaxing process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9111547A GB2256199B (en) 1991-05-29 1991-05-29 Improved solvent dewaxing process

Publications (3)

Publication Number Publication Date
GB9111547D0 GB9111547D0 (en) 1991-07-17
GB2256199A GB2256199A (en) 1992-12-02
GB2256199B true GB2256199B (en) 1995-03-01

Family

ID=10695754

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9111547A Expired - Fee Related GB2256199B (en) 1991-05-29 1991-05-29 Improved solvent dewaxing process

Country Status (1)

Country Link
GB (1) GB2256199B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8394256B2 (en) 2009-10-13 2013-03-12 Exxonmobil Research And Engineering Company Method for haze mitigation and filterability improvement for base stocks
TWI491453B (en) * 2013-07-17 2015-07-11 Cheng Uei Prec Ind Co Ltd A Method?of Dewaxing Using Dewaxing Devices

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1298235A (en) * 1969-09-19 1972-11-29 Exxon Research Engineering Co Two-stage dewaxing/deoiling process
GB1334451A (en) * 1970-05-11 1973-10-17 Exxon Research Engineering Co Combination of dilution chilling with scraped surface chilling in dewaxing lubricating oils
GB1564430A (en) * 1976-01-02 1980-04-10 Exxon Research Engineering Co Dilchill solvent dewasing process using wash filtrate as solvent component

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1298235A (en) * 1969-09-19 1972-11-29 Exxon Research Engineering Co Two-stage dewaxing/deoiling process
GB1334451A (en) * 1970-05-11 1973-10-17 Exxon Research Engineering Co Combination of dilution chilling with scraped surface chilling in dewaxing lubricating oils
GB1564430A (en) * 1976-01-02 1980-04-10 Exxon Research Engineering Co Dilchill solvent dewasing process using wash filtrate as solvent component

Also Published As

Publication number Publication date
GB2256199A (en) 1992-12-02
GB9111547D0 (en) 1991-07-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100529