JPS568079B2 - - Google Patents
Info
- Publication number
- JPS568079B2 JPS568079B2 JP9310572A JP9310572A JPS568079B2 JP S568079 B2 JPS568079 B2 JP S568079B2 JP 9310572 A JP9310572 A JP 9310572A JP 9310572 A JP9310572 A JP 9310572A JP S568079 B2 JPS568079 B2 JP S568079B2
- Authority
- JP
- Japan
- 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
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
- C10G21/06—Refining of hydrocarbon oils, in the absence of hydrogen, by extraction with selective solvents characterised by the solvent used
- C10G21/12—Organic compounds only
- C10G21/20—Nitrogen-containing compounds
-
- 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in the absence of hydrogen, by extraction with selective solvents with two or more solvents, which are introduced or withdrawn separately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)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00234733A US3843515A (en) | 1972-03-15 | 1972-03-15 | Countercurrent lube extraction with dual solvent system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS493906A JPS493906A (cg-RX-API-DMAC10.html) | 1974-01-14 |
| JPS568079B2 true JPS568079B2 (cg-RX-API-DMAC10.html) | 1981-02-21 |
Family
ID=22882571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9310572A Expired JPS568079B2 (cg-RX-API-DMAC10.html) | 1972-03-15 | 1972-09-16 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3843515A (cg-RX-API-DMAC10.html) |
| JP (1) | JPS568079B2 (cg-RX-API-DMAC10.html) |
| CA (1) | CA978125A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2235454C2 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2175722B1 (cg-RX-API-DMAC10.html) |
| IT (1) | IT963440B (cg-RX-API-DMAC10.html) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4168226A (en) * | 1977-04-08 | 1979-09-18 | Exxon Research & Engineering Co. | Thermal stabilization of N-methyl-2-pyrrolidone |
| JPS53129802U (cg-RX-API-DMAC10.html) * | 1977-12-19 | 1978-10-14 | ||
| US4396492A (en) * | 1981-11-03 | 1983-08-02 | Exxon Research And Engineering Co. | Method for retarding corrosion in petroleum processing operation using N-methyl pyrrolidone |
| US4604184A (en) * | 1983-11-16 | 1986-08-05 | Domtar Inc. | Modified coal-tar pitch |
| US5120900A (en) * | 1990-12-05 | 1992-06-09 | Exxon Research And Engineering Company | Integrated solvent extraction/membrane extraction with retentate recycle for improved raffinate yield |
| GB2289475B (en) * | 1994-05-20 | 1998-05-27 | Exxon Research Engineering Co | Separation of aromatics from mixtures of hydrocarbons |
| US6294082B1 (en) * | 1999-12-10 | 2001-09-25 | Exxon Research And Engineering Company | Process for solvent extraction of hydrocarbons providing an increased yield of raffinate |
| CN1748114A (zh) * | 2002-12-19 | 2006-03-15 | 卡格斯－福尔康布里奇股份有限公司 | 用于液相萃取的系统和方法 |
| US7776218B2 (en) * | 2003-12-19 | 2010-08-17 | Kfi Intellectual Properties L.L.C. | System for liquid extraction, and methods |
| WO2011081601A1 (en) * | 2009-12-30 | 2011-07-07 | Irpc Public Company Limited | Methods and processes for producing process oils with a low polyaromatic hydrocarbon content |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE630077A (cg-RX-API-DMAC10.html) * | ||||
| US2246297A (en) * | 1938-12-10 | 1941-06-17 | Standard Oil Dev Co | Solvent extraction process |
| CA944301A (en) * | 1969-03-11 | 1974-03-26 | Charles C. Hong | Lube extraction with dual solvent systems |
-
1972
- 1972-03-15 US US00234733A patent/US3843515A/en not_active Expired - Lifetime
- 1972-07-12 CA CA146,957A patent/CA978125A/en not_active Expired
- 1972-07-20 DE DE2235454A patent/DE2235454C2/de not_active Expired
- 1972-07-27 IT IT27509/72A patent/IT963440B/it active
- 1972-09-14 FR FR7232603A patent/FR2175722B1/fr not_active Expired
- 1972-09-16 JP JP9310572A patent/JPS568079B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3843515A (en) | 1974-10-22 |
| FR2175722B1 (cg-RX-API-DMAC10.html) | 1976-10-29 |
| DE2235454C2 (de) | 1983-10-13 |
| IT963440B (it) | 1974-01-10 |
| DE2235454A1 (de) | 1973-09-20 |
| JPS493906A (cg-RX-API-DMAC10.html) | 1974-01-14 |
| FR2175722A1 (cg-RX-API-DMAC10.html) | 1973-10-26 |
| CA978125A (en) | 1975-11-18 |