CA1012919A - Partial predilution dilution chilling - Google Patents

Partial predilution dilution chilling

Info

Publication number
CA1012919A
CA1012919A CA179,368A CA179368A CA1012919A CA 1012919 A CA1012919 A CA 1012919A CA 179368 A CA179368 A CA 179368A CA 1012919 A CA1012919 A CA 1012919A
Authority
CA
Canada
Prior art keywords
predilution
partial
dilution chilling
chilling
dilution
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
CA179,368A
Inventor
David A. Gudelis
David H. Shaw
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 CA1012919A publication Critical patent/CA1012919A/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
    • C10G73/06—Recovery of petroleum waxes from hydrocarbon oils; Dewaxing of hydrocarbon oils with the use of solvents
    • 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)
CA179,368A 1972-08-29 1973-08-22 Partial predilution dilution chilling Expired CA1012919A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00284647A US3850740A (en) 1972-08-29 1972-08-29 Partial predilution dilution chilling

Publications (1)

Publication Number Publication Date
CA1012919A true CA1012919A (en) 1977-06-28

Family

ID=23090994

Family Applications (1)

Application Number Title Priority Date Filing Date
CA179,368A Expired CA1012919A (en) 1972-08-29 1973-08-22 Partial predilution dilution chilling

Country Status (8)

Country Link
US (1) US3850740A (en)
JP (1) JPS573718B2 (en)
CA (1) CA1012919A (en)
DE (1) DE2343041C2 (en)
FR (1) FR2197965B1 (en)
GB (1) GB1440127A (en)
IT (1) IT998484B (en)
NL (1) NL186017C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4013542A (en) * 1972-08-29 1977-03-22 Exxon Research And Engineering Company Partial predilution dilution chilling
US4514280A (en) * 1975-06-02 1985-04-30 Exxon Research And Engineering Co. Dewaxing waxy oil by dilution chilling employing static mixing means
US4115244A (en) * 1977-07-05 1978-09-19 Texaco Inc. Solvent dewaxing process
US4115243A (en) * 1977-07-05 1978-09-19 Texaco Inc. Solvent dewaxing process
US4115242A (en) * 1977-07-05 1978-09-19 Texaco Inc. Solvent dewaxing process
US4140620A (en) * 1977-07-05 1979-02-20 Texaco Inc. Incremental dilution dewaxing process
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
US5167847A (en) * 1990-05-21 1992-12-01 Exxon Research And Engineering Company Process for producing transformer oil from a hydrocracked stock
US5401383A (en) * 1993-09-10 1995-03-28 Exxon Research & Engineering Co. Controlling chilling tower profile for dilution chilling dewaxing of 600N waxy oil

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE894597C (en) * 1943-10-27 1953-10-26 Gasolin Ag Deutsche Process for dewaxing mineral oils with selective solvents
US2410483A (en) * 1944-11-13 1946-11-05 Mid Continent Petroleum Corp Processes of dewaxing oils
US2486014A (en) * 1945-07-06 1949-10-25 Atlantic Refining Co Hydrocarbon oil dewaxing
US3006839A (en) * 1959-01-06 1961-10-31 Shell Oil Co Dewaxing hydrocarbon oil
US3038854A (en) * 1959-02-09 1962-06-12 Texaco Development Corp Solvent dewaxing
US3642609A (en) * 1969-11-13 1972-02-15 Exxon Research Engineering Co Dewaxing waxy oil by dilution chilling
US3644195A (en) * 1969-12-01 1972-02-22 Exxon Research Engineering Co Solvent dewaxing-deoiling process
US3681230A (en) * 1970-07-10 1972-08-01 Exxon Research Engineering Co Immiscible filtration of dilution chilled waxy oils
US3719585A (en) * 1970-12-28 1973-03-06 Texaco Inc Solvent dewaxing with separation of solvent by liquid-liquid extraction

Also Published As

Publication number Publication date
GB1440127A (en) 1976-06-23
NL7311873A (en) 1974-03-04
FR2197965A1 (en) 1974-03-29
AU5920573A (en) 1975-02-20
JPS573718B2 (en) 1982-01-22
DE2343041C2 (en) 1986-12-04
NL186017C (en) 1990-09-03
FR2197965B1 (en) 1979-10-19
DE2343041A1 (en) 1974-03-07
IT998484B (en) 1976-01-20
NL186017B (en) 1990-04-02
JPS4960302A (en) 1974-06-12
US3850740A (en) 1974-11-26

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