IT998484B - DEPARFFINATION PROCESS BY COOLING WITH PARTIAL PREDILUTION AND DILUTION - Google Patents
DEPARFFINATION PROCESS BY COOLING WITH PARTIAL PREDILUTION AND DILUTIONInfo
- 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
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)
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 (en) | 1976-01-20 |
Family
ID=23090994
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT28298/73A IT998484B (en) | 1972-08-29 | 1973-08-28 | DEPARFFINATION PROCESS BY COOLING WITH PARTIAL PREDILUTION AND DILUTION |
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)
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)
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 |
-
1972
- 1972-08-29 US US00284647A patent/US3850740A/en not_active Expired - Lifetime
-
1973
- 1973-08-17 GB GB3888373A patent/GB1440127A/en not_active Expired
- 1973-08-22 CA CA179,368A patent/CA1012919A/en not_active Expired
- 1973-08-25 DE DE2343041A patent/DE2343041C2/en not_active Expired
- 1973-08-28 IT IT28298/73A patent/IT998484B/en active
- 1973-08-28 FR FR7331106A patent/FR2197965B1/fr not_active Expired
- 1973-08-29 JP JP9626573A patent/JPS573718B2/ja not_active Expired
- 1973-08-29 NL NLAANVRAGE7311873,A patent/NL186017C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
US3850740A (en) | 1974-11-26 |
NL7311873A (en) | 1974-03-04 |
GB1440127A (en) | 1976-06-23 |
DE2343041A1 (en) | 1974-03-07 |
NL186017B (en) | 1990-04-02 |
CA1012919A (en) | 1977-06-28 |
FR2197965B1 (en) | 1979-10-19 |
FR2197965A1 (en) | 1974-03-29 |
DE2343041C2 (en) | 1986-12-04 |
NL186017C (en) | 1990-09-03 |
AU5920573A (en) | 1975-02-20 |
JPS573718B2 (en) | 1982-01-22 |
JPS4960302A (en) | 1974-06-12 |
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