NO330405B1 - Fremgangsmate for fjerning av forurensninger fra brukt olje. - Google Patents
Fremgangsmate for fjerning av forurensninger fra brukt olje. Download PDFInfo
- Publication number
- NO330405B1 NO330405B1 NO20014358A NO20014358A NO330405B1 NO 330405 B1 NO330405 B1 NO 330405B1 NO 20014358 A NO20014358 A NO 20014358A NO 20014358 A NO20014358 A NO 20014358A NO 330405 B1 NO330405 B1 NO 330405B1
- Authority
- NO
- Norway
- Prior art keywords
- used oil
- solvent
- oil
- mercury
- phase transfer
- Prior art date
Links
- 239000010913 used oil Substances 0.000 title claims description 69
- 238000000034 method Methods 0.000 title claims description 65
- 239000000356 contaminant Substances 0.000 title claims description 21
- 239000002904 solvent Substances 0.000 claims description 51
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 29
- 239000010705 motor oil Substances 0.000 claims description 22
- 239000003921 oil Substances 0.000 claims description 22
- 239000003444 phase transfer catalyst Substances 0.000 claims description 19
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 16
- 239000000203 mixture Substances 0.000 claims description 16
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 14
- 229910052753 mercury Inorganic materials 0.000 claims description 14
- 238000000605 extraction Methods 0.000 claims description 13
- 150000001875 compounds Chemical class 0.000 claims description 11
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 8
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 5
- -1 organic base compound Chemical class 0.000 claims description 5
- 150000007529 inorganic bases Chemical class 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims 3
- 238000011144 upstream manufacturing Methods 0.000 claims 2
- 238000004140 cleaning Methods 0.000 claims 1
- 150000002894 organic compounds Chemical class 0.000 claims 1
- 238000004064 recycling Methods 0.000 claims 1
- 239000003209 petroleum derivative Substances 0.000 description 20
- 239000003054 catalyst Substances 0.000 description 17
- 239000007788 liquid Substances 0.000 description 17
- 238000004821 distillation Methods 0.000 description 16
- 239000002199 base oil Substances 0.000 description 13
- 239000011552 falling film Substances 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- 238000007670 refining Methods 0.000 description 8
- 229920005547 polycyclic aromatic hydrocarbon Polymers 0.000 description 7
- 239000010426 asphalt Substances 0.000 description 5
- 125000005842 heteroatom Chemical group 0.000 description 5
- 229930195733 hydrocarbon Natural products 0.000 description 5
- 150000002430 hydrocarbons Chemical class 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 150000007513 acids Chemical class 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 150000007530 organic bases Chemical class 0.000 description 3
- 239000003495 polar organic solvent Substances 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003085 diluting agent Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 230000002110 toxicologic effect Effects 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- PFRUBEOIWWEFOL-UHFFFAOYSA-N [N].[S] Chemical compound [N].[S] PFRUBEOIWWEFOL-UHFFFAOYSA-N 0.000 description 1
- 150000007960 acetonitrile Chemical class 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000005815 base catalysis Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005112 continuous flow technique Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 150000003983 crown ethers Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 150000002334 glycols Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 231100000723 toxicological property Toxicity 0.000 description 1
- 231100000027 toxicology Toxicity 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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
- C10G19/00—Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment
- C10G19/02—Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment with aqueous alkaline solutions
- C10G19/04—Refining hydrocarbon oils in the absence of hydrogen, by alkaline treatment with aqueous alkaline solutions containing solubilisers, e.g. solutisers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/14—Fractional distillation or use of a fractionation or rectification column
- B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
- B01D3/146—Multiple effect distillation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
- B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0016—Working-up used lubricants to recover useful products ; Cleaning with the use of chemical agents
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M175/00—Working-up used lubricants to recover useful products ; Cleaning
- C10M175/0025—Working-up used lubricants to recover useful products ; Cleaning by thermal processes
- C10M175/0033—Working-up used lubricants to recover useful products ; Cleaning by thermal processes using distillation processes; devices therefor
-
- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
-
- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/20—Characteristics of the feedstock or the products
- C10G2300/201—Impurities
-
- 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
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/40—Characteristics of the process deviating from typical ways of processing
- C10G2300/44—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
- C10G2400/00—Products obtained by processes covered by groups C10G9/00 - C10G69/14
- C10G2400/10—Lubricating oil
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Catalysts (AREA)
- Extraction Or Liquid Replacement (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US09/265,903 US6320090B1 (en) | 1999-03-10 | 1999-03-10 | Method of removing contaminants from petroleum distillates |
| US09/465,637 US6238551B1 (en) | 1999-02-16 | 1999-12-17 | Method of removing contaminants from petroleum distillates |
| PCT/US2000/004378 WO2000053706A1 (fr) | 1999-03-10 | 2000-02-17 | Procede de suppression de contaminants de distillats de petrole |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO20014358D0 NO20014358D0 (no) | 2001-09-07 |
| NO20014358L NO20014358L (no) | 2001-11-02 |
| NO330405B1 true NO330405B1 (no) | 2011-04-04 |
Family
ID=26951485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO20014358A NO330405B1 (no) | 1999-03-10 | 2001-09-07 | Fremgangsmate for fjerning av forurensninger fra brukt olje. |
Country Status (6)
| Country | Link |
|---|---|
| US (3) | US6238551B1 (fr) |
| EP (1) | EP1210401B1 (fr) |
| AU (1) | AU3702600A (fr) |
| CA (1) | CA2367336C (fr) |
| NO (1) | NO330405B1 (fr) |
| WO (1) | WO2000053706A1 (fr) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6007701A (en) * | 1999-02-16 | 1999-12-28 | Miami University | Method of removing contaminants from used oil |
| US6238551B1 (en) * | 1999-02-16 | 2001-05-29 | Miami University | Method of removing contaminants from petroleum distillates |
| US6471852B1 (en) * | 2000-04-18 | 2002-10-29 | Exxonmobil Research And Engineering Company | Phase-transfer catalyzed destruction of fouling agents in petroleum streams |
| US6488840B1 (en) * | 2000-04-18 | 2002-12-03 | Exxonmobil Research And Engineering Company | Mercaptan removal from petroleum streams (Law950) |
| US6740134B2 (en) * | 2001-08-24 | 2004-05-25 | Twin Rivers Technologies, L.P. | Use of a natural oil byproduct as a reduced-emissions energy source |
| US7150822B1 (en) | 2003-09-04 | 2006-12-19 | Dtx Technologies Llc | Five degrees for separation |
| US7241377B2 (en) * | 2003-09-04 | 2007-07-10 | Dtx Technologies, Llc | Salt bath refining |
| US8366912B1 (en) | 2005-03-08 | 2013-02-05 | Ari Technologies, Llc | Method for producing base lubricating oil from waste oil |
| US20080059469A1 (en) * | 2006-08-31 | 2008-03-06 | International Business Machines Corporation | Replication Token Based Synchronization |
| CN101058745B (zh) * | 2007-05-16 | 2011-09-07 | 中国科学院过程工程研究所 | 基于离子开关原理脱除和回收油品中环烷酸 |
| US20110073526A1 (en) * | 2009-09-30 | 2011-03-31 | General Electric Company | Method for Desulfurization of Hydrocarbon Oils |
| EP2542651A4 (fr) | 2010-03-01 | 2017-08-23 | Envirollea Inc. | Procédé d'extraction par solvant utilisé pour stabiliser, désulfuriser et sécher de nombreux carburants diesel, les nombreux carburants diesel stabilisés obtenus et utilisations associées |
| US8877040B2 (en) | 2012-08-20 | 2014-11-04 | Uop Llc | Hydrotreating process and apparatus relating thereto |
| US20140257008A1 (en) | 2013-03-07 | 2014-09-11 | Verolube, Inc. | Method and apparatus for recovering synthetic oils from composite oil streams |
| US9512369B1 (en) | 2013-03-14 | 2016-12-06 | James Joseph Noble | Process for removing color bodies from used oil |
| CA2973210A1 (fr) | 2017-07-13 | 2019-01-13 | Louis Bertrand | Procede de production de combustible liquide a partir de rejets d'hydrocarbure ou de matiere organique, systeme de gestion associe |
| CN108587764A (zh) * | 2018-06-05 | 2018-09-28 | 山东天大高纯新材料有限公司 | 对废润滑油回收后的基础油进行精制的方法 |
Family Cites Families (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4021333A (en) * | 1975-08-27 | 1977-05-03 | The Lubrizol Corporation | Method of rerefining oil by distillation and extraction |
| US4071438A (en) | 1976-06-03 | 1978-01-31 | Vacsol Corporation | Method of reclaiming waste oil by distillation and extraction |
| CA1027502A (fr) | 1977-06-20 | 1978-03-07 | Lionel Borenstein | Methode de traitement des huiles de vidange |
| US4287049A (en) | 1980-02-05 | 1981-09-01 | Phillips Petroleum Co. | Reclaiming used lubricating oils with ammonium salts and polyhydroxy compounds |
| US4431524A (en) * | 1983-01-26 | 1984-02-14 | Norman George R | Process for treating used industrial oil |
| US5041206A (en) | 1989-11-20 | 1991-08-20 | Texaco Inc. | Solvent extraction of lubricating oils |
| US5045206A (en) * | 1990-12-05 | 1991-09-03 | Exxon Research & Engineering Company | Selective multi-ring aromatics extraction using a porous, non-selective partition membrane barrier |
| US5242579A (en) * | 1991-04-01 | 1993-09-07 | Texaco Inc. | Control method for solvent refining lubricating oils |
| US5208382A (en) * | 1992-01-29 | 1993-05-04 | Ethyl Petroleum Additives, Inc. | Reducing copper corrosiveness of organic sulfides |
| US5880325A (en) * | 1993-09-07 | 1999-03-09 | Exxon Research And Engineering Company | Aromatics extraction from hydrocarbon oil using tetramethylene sulfoxide |
| US5753102A (en) * | 1994-11-11 | 1998-05-19 | Izumi Funakoshi | Process for recovering organic sulfur compounds from fuel oil |
| GB2301782B (en) | 1995-06-08 | 1998-11-25 | Enprotec Int Group Nv | Improved oil re-refining method and apparatus |
| FR2735785B1 (fr) | 1995-06-22 | 1997-08-08 | Chavet Bernard | Procede de raffinage d'huiles usagees par traitement alcalin |
| US5904760A (en) | 1996-08-23 | 1999-05-18 | Marathon Ashland Petroleum Llc | Rerefined oil or hydrofinished neutral oil for blending superpave asphalts with low temperature properties |
| FR2757175B1 (fr) | 1996-12-13 | 1999-03-05 | Tunisienne De Lubrifiants Sotu | Procede et installation de regeneration d'huiles lubrifiantes a hautes performances |
| FR2766477B1 (fr) | 1997-07-22 | 1999-09-24 | Bernard Chavet | Procede de traitement d'une eau usee alcaline |
| US6117309A (en) | 1997-09-08 | 2000-09-12 | Probex Corporation | Method of rerefining waste oil by distillation and extraction |
| US6174431B1 (en) * | 1998-05-28 | 2001-01-16 | Interline Hydrocarbon, Inc. | Method for obtaining base oil and removing impurities and additives from used oil products |
| US6013176A (en) * | 1998-12-18 | 2000-01-11 | Exxon Research And Engineering Co. | Method for decreasing the metals content of petroleum streams |
| US6007701A (en) | 1999-02-16 | 1999-12-28 | Miami University | Method of removing contaminants from used oil |
| US6319394B2 (en) * | 1999-02-16 | 2001-11-20 | Miami University | Method of removing contaminants from petroleum distillates |
| US6320090B1 (en) | 1999-03-10 | 2001-11-20 | Miami University | Method of removing contaminants from petroleum distillates |
| US6238551B1 (en) * | 1999-02-16 | 2001-05-29 | Miami University | Method of removing contaminants from petroleum distillates |
-
1999
- 1999-12-17 US US09/465,637 patent/US6238551B1/en not_active Expired - Lifetime
-
2000
- 2000-02-17 AU AU37026/00A patent/AU3702600A/en not_active Abandoned
- 2000-02-17 EP EP00915813A patent/EP1210401B1/fr not_active Expired - Lifetime
- 2000-02-17 CA CA002367336A patent/CA2367336C/fr not_active Expired - Lifetime
- 2000-02-17 WO PCT/US2000/004378 patent/WO2000053706A1/fr active Application Filing
- 2000-08-01 US US09/630,040 patent/US6372122B1/en not_active Expired - Lifetime
-
2001
- 2001-01-02 US US09/753,496 patent/US6929737B2/en not_active Expired - Lifetime
- 2001-09-07 NO NO20014358A patent/NO330405B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| AU3702600A (en) | 2000-09-28 |
| CA2367336A1 (fr) | 2000-09-14 |
| US6372122B1 (en) | 2002-04-16 |
| US6929737B2 (en) | 2005-08-16 |
| NO20014358L (no) | 2001-11-02 |
| WO2000053706A1 (fr) | 2000-09-14 |
| NO20014358D0 (no) | 2001-09-07 |
| EP1210401A1 (fr) | 2002-06-05 |
| US20010025807A1 (en) | 2001-10-04 |
| EP1210401B1 (fr) | 2012-02-08 |
| EP1210401A4 (fr) | 2003-04-02 |
| CA2367336C (fr) | 2008-04-01 |
| US6238551B1 (en) | 2001-05-29 |
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