IT1138032B - Procedimento di raffinazione di olii lubrificanti con duplice solvente - Google Patents
Procedimento di raffinazione di olii lubrificanti con duplice solventeInfo
- Publication number
- IT1138032B IT1138032B IT22865/81A IT2286581A IT1138032B IT 1138032 B IT1138032 B IT 1138032B IT 22865/81 A IT22865/81 A IT 22865/81A IT 2286581 A IT2286581 A IT 2286581A IT 1138032 B IT1138032 B IT 1138032B
- Authority
- IT
- Italy
- Prior art keywords
- lubricant oils
- refining procedure
- double solvent
- solvent
- double
- 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
- C10G21/00—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents
- C10G21/02—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents with two or more solvents, which are introduced or withdrawn separately
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)
- Pyrrole Compounds (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/169,926 US4325818A (en) | 1980-07-17 | 1980-07-17 | Dual solvent refining process |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8122865A0 IT8122865A0 (it) | 1981-07-10 |
IT1138032B true IT1138032B (it) | 1986-09-10 |
Family
ID=22617783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT22865/81A IT1138032B (it) | 1980-07-17 | 1981-07-10 | Procedimento di raffinazione di olii lubrificanti con duplice solvente |
Country Status (14)
Country | Link |
---|---|
US (1) | US4325818A (it) |
JP (1) | JPS5734190A (it) |
AU (1) | AU540601B2 (it) |
BE (1) | BE889650A (it) |
BR (1) | BR8104314A (it) |
CA (1) | CA1164390A (it) |
DE (1) | DE3124781A1 (it) |
ES (1) | ES503748A0 (it) |
FR (1) | FR2486958B1 (it) |
GB (1) | GB2081297B (it) |
IT (1) | IT1138032B (it) |
MX (1) | MX7266E (it) |
NL (1) | NL8103341A (it) |
YU (1) | YU41255B (it) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4493765A (en) * | 1983-06-06 | 1985-01-15 | Exxon Research And Engineering Co. | Selective separation of heavy oil using a mixture of polar and nonpolar solvents |
US4909927A (en) * | 1985-12-31 | 1990-03-20 | Exxon Research And Engineering Company | Extraction of hydrocarbon oils using a combination polar extraction solvent-aliphatic-aromatic or polar extraction solvent-polar substituted naphthenes extraction solvent mixture |
US5209840A (en) * | 1991-10-02 | 1993-05-11 | Texaco Inc. | Separation of active catalyst particles from spent catalyst particles by air elutriation |
US7998342B2 (en) * | 2006-03-07 | 2011-08-16 | Marathon Oil Canada Corporation | Separation of tailings that include asphaltenes |
US7585407B2 (en) * | 2006-03-07 | 2009-09-08 | Marathon Oil Canada Corporation | Processing asphaltene-containing tailings |
US10881984B2 (en) * | 2015-11-10 | 2021-01-05 | Hindustan Petroleum Corporation Limited | Composition and a process for reducing aromatics from a hydrocarbon feedstock |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3239456A (en) * | 1966-03-08 | Hydrogarbon treatment furfural solvent extraction process | ||
US3249532A (en) * | 1964-06-04 | 1966-05-03 | Shiah Chyn Doug | Solvent extraction of aromatics |
US3317423A (en) * | 1964-09-22 | 1967-05-02 | Cities Service Oil Co | Process for solvent extraction of aromatics from aromatic-paraffinic hydrocarbon mixture |
US3461066A (en) * | 1966-12-23 | 1969-08-12 | Texaco Inc | Solvent recovery in the solvent extraction of hydrocarbon oils |
US3725254A (en) * | 1971-07-13 | 1973-04-03 | Union Carbide Corp | Process for the separation of aromatic hydrocarbons from a mixed hydrocarbon feedstock |
US4057491A (en) * | 1976-03-26 | 1977-11-08 | Exxon Research & Engineering Co. | Solvent recovery process for N-methyl-2-pyrrolidone in hydrocarbon extraction |
US4168226A (en) * | 1977-04-08 | 1979-09-18 | Exxon Research & Engineering Co. | Thermal stabilization of N-methyl-2-pyrrolidone |
US4125458A (en) * | 1977-10-31 | 1978-11-14 | Exxon Research & Engineering Co. | Simultaneous deasphalting-extraction process |
-
1980
- 1980-07-17 US US06/169,926 patent/US4325818A/en not_active Expired - Lifetime
-
1981
- 1981-05-29 JP JP8126381A patent/JPS5734190A/ja active Pending
- 1981-05-29 GB GB8116453A patent/GB2081297B/en not_active Expired
- 1981-06-10 AU AU71465/81A patent/AU540601B2/en not_active Ceased
- 1981-06-24 DE DE19813124781 patent/DE3124781A1/de not_active Withdrawn
- 1981-06-30 CA CA000380920A patent/CA1164390A/en not_active Expired
- 1981-07-07 BR BR8104314A patent/BR8104314A/pt unknown
- 1981-07-07 ES ES503748A patent/ES503748A0/es active Granted
- 1981-07-10 IT IT22865/81A patent/IT1138032B/it active
- 1981-07-14 NL NL8103341A patent/NL8103341A/nl not_active Application Discontinuation
- 1981-07-16 FR FR8113869A patent/FR2486958B1/fr not_active Expired
- 1981-07-16 BE BE0/205424A patent/BE889650A/fr not_active IP Right Cessation
- 1981-07-16 MX MX819553U patent/MX7266E/es unknown
- 1981-07-17 YU YU1774/81A patent/YU41255B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AU540601B2 (en) | 1984-11-29 |
MX7266E (es) | 1988-03-18 |
ES8300840A1 (es) | 1982-11-01 |
BR8104314A (pt) | 1982-03-23 |
CA1164390A (en) | 1984-03-27 |
FR2486958B1 (fr) | 1985-10-25 |
YU41255B (en) | 1986-12-31 |
ES503748A0 (es) | 1982-11-01 |
GB2081297B (en) | 1983-09-14 |
JPS5734190A (en) | 1982-02-24 |
AU7146581A (en) | 1982-02-18 |
BE889650A (fr) | 1982-01-18 |
YU177481A (en) | 1983-06-30 |
GB2081297A (en) | 1982-02-17 |
FR2486958A1 (fr) | 1982-01-22 |
DE3124781A1 (de) | 1982-06-03 |
NL8103341A (nl) | 1982-02-16 |
IT8122865A0 (it) | 1981-07-10 |
US4325818A (en) | 1982-04-20 |
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