IT998484B - Processo di deparffinazione mediante raffreddamento con prediluizione parziale e diluizione - Google Patents

Processo di deparffinazione mediante raffreddamento con prediluizione parziale e diluizione

Info

Publication number
IT998484B
IT998484B IT28298/73A IT2829873A IT998484B IT 998484 B IT998484 B IT 998484B IT 28298/73 A IT28298/73 A IT 28298/73A IT 2829873 A IT2829873 A IT 2829873A IT 998484 B IT998484 B IT 998484B
Authority
IT
Italy
Prior art keywords
deparffination
predilution
dilution
partial
cooling
Prior art date
Application number
IT28298/73A
Other languages
English (en)
Italian (it)
Original Assignee
Exxon Research 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 Engineering Co filed Critical Exxon Research Engineering Co
Application granted granted Critical
Publication of IT998484B publication Critical patent/IT998484B/it

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)
IT28298/73A 1972-08-29 1973-08-28 Processo di deparffinazione mediante raffreddamento con prediluizione parziale e diluizione IT998484B (it)

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
IT998484B true IT998484B (it) 1976-01-20

Family

ID=23090994

Family Applications (1)

Application Number Title Priority Date Filing Date
IT28298/73A IT998484B (it) 1972-08-29 1973-08-28 Processo di deparffinazione mediante raffreddamento con prediluizione parziale e diluizione

Country Status (8)

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

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
US4140620A (en) * 1977-07-05 1979-02-20 Texaco Inc. Incremental dilution dewaxing process
US4115243A (en) * 1977-07-05 1978-09-19 Texaco Inc. Solvent dewaxing process
US4115244A (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
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 (de) * 1943-10-27 1953-10-26 Gasolin Ag Deutsche Verfahren zum Entparaffinieren von Mineraloelen mit selektiven Loesungsmitteln
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
US3850740A (en) 1974-11-26
NL7311873A (nl) 1974-03-04
GB1440127A (en) 1976-06-23
DE2343041A1 (de) 1974-03-07
NL186017B (nl) 1990-04-02
CA1012919A (en) 1977-06-28
FR2197965B1 (nl) 1979-10-19
FR2197965A1 (nl) 1974-03-29
DE2343041C2 (de) 1986-12-04
NL186017C (nl) 1990-09-03
AU5920573A (en) 1975-02-20
JPS573718B2 (nl) 1982-01-22
JPS4960302A (nl) 1974-06-12

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