Patents for C10G 19 - Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment (954)
07/2003
07/08/2003CA2235691C A process to upgrade crude oils by destruction of naphthenic acids, removal of sulfur and removal of salts
07/03/2003US20030124615 Thromoboxane B2 metabolite and methods for regulating aspirin-related platelet action
06/2003
06/26/2003US20030116469 Stable fuel blend; jet turbine
06/19/2003WO2003050207A1 Process for sulfur reduction in naphtha streams
06/18/2003CN1111582C Process for treating waste lye of refining oil products in petroleum refining industry
06/04/2003EP1315785A1 Process for removing low amounts of organic sulfur from hydrocarbon fuels
05/2003
05/22/2003US20030094414 Multiphase process for extracting mercaptans from cracked naphtha using alkali metal alkylphenylate, alkali metal hydroxide, water, and sulfonated cobalt phthalocyanine
05/21/2003CN1418934A Techonlogical method for removing naphthenic acid from crude oil and distillated oil
05/20/2003US6565740 Extracting the mercaptanes using aqueous or alcoholic solution of alkali metal hydroxide in presence of a metal phthalocyanine sulphonamide catalyst; converting mercaptanes present in extract to disulphide
05/08/2003US20030085181 Contacting hydrocarbon containing mercaptan in absence of oxygen with composition containing water, dissolved alkali metal hydroxide, cobalt phthalocyanine sulfonate, and dissolved alkylphenylates, separating upgraded hydrocarbon
05/07/2003CN1416457A Reducing undesired polymerization in hydrocarbon cracking processes
05/01/2003WO2003035807A1 Thermally stable jet prepared from highly paraffinic distillate fuel component and conventional distillate fuel component
04/2003
04/16/2003EP1200538A4 Process for treatment of petroleum acids
04/02/2003EP1210401A4 Method of removing contaminants from petroleum distillates
04/02/2003EP1109879B1 Process for reducing total acid number of crude oil
04/02/2003CN1408017A Treatment of crude oils
03/2003
03/20/2003US20030052046 Contacting in the absence of oxygen, with two phases of water, dissolved alkali metal hydroxide, cobalt phthalocyanine sulfonate, and dissolved alkylphenylates
03/20/2003US20030052045 Composition and control method for treating hydrocarbon
03/20/2003US20030052044 Hydrotreating the naphtha, and removing mercaptans using a caustic extractant
03/19/2003CN1403539A Chemical refining process of eliminating unsoluble oxides and gum from diesel oil
03/12/2003EP1027124A4 Methods of inhibiting foam formation in alkanolamine systems
03/11/2003US6531055 Method for reducing the naphthenic acid content of crude oil and fractions
03/05/2003CN1400918A Vertical extending liquid/liquid contacting column
03/05/2003CN1102635C Method for preparing solid alkali for oil refinery
02/2003
02/26/2003EP1285051A2 Mercaptan removal from petroleum streams
02/26/2003EP1285048A1 Phase-transfer catalyzed destruction of fouling agents in petroleum streams
02/26/2003EP1285047A1 Selective hydroprocessing and mercaptan removal
02/26/2003EP1285044A2 Method for reducing the naphthenic acid content of crude oil and its fractions
02/26/2003EP1285043A1 Caustic extraction of mercaptans
02/19/2003EP0935644B1 Process for decreasing the acid content and corrosivity of crudes
01/2003
01/30/2003US20030019793 Mercaptan removal from petroleum streams (law950)
01/15/2003EP1274811A2 Method for denitrogenating crude fractions
01/02/2003EP1270704A1 A process for removing sulfur compounds from hydrocarbon streams
12/2002
12/27/2002WO2002102940A1 Naphtha desulfurization method
12/27/2002WO2002102936A1 Liquid hydrocarbon treatment method
12/27/2002WO2002102935A1 Continuous liquid hydrocarbon treatment method
12/27/2002WO2002102934A1 Composition and control method for treating hydrocarbon
12/27/2002WO2002102933A1 Continuous naphtha treatment method
12/27/2002CA2449908A1 Continuous liquid hydrocarbon treatment method
12/27/2002CA2449902A1 Continuous naphtha treatment method
12/27/2002CA2449761A1 Liquid hydrocarbon treatment method
12/27/2002CA2449759A1 Composition and control method for treating hydrocarbon
12/11/2002CN1384174A Prepn for eliminating thiols sulfur compound of light oil or liquefied petroleum gas and its elimination process
12/11/2002CN1095869C Method for removing nitride from oil
12/04/2002CN1382770A Process for removing trace hydrogen sulfide from light oil
12/04/2002CN1095388C Dechlorinating agent and its preparing method
12/03/2002US6488840 Longer chain mercaptans above five carbon atoms; phase transfer catalyst is a quaternary ammonium hydroxide
11/2002
11/14/2002US20020166799 Process for sweetening of LPG, light petroleum distillates by liquid-liquid extraction using metal phthalocyanine sulphonamide catalyst
11/13/2002EP1255602A1 Vertical extending liquid/liquid contacting column
10/2002
10/29/2002US6471852 Phase-transfer catalyzed destruction of fouling agents in petroleum streams
10/17/2002US20020148754 Integrated preparation of blending components for refinery transportation fuels
10/03/2002US20020139714 Method for reducing the level of elemental sulfur and total sulfur in hydrocarbon streams
10/03/2002US20020139710 Increasing the extraction of the carbonyl impurities during the caustic washing of hydrocarbon streams
09/2002
09/25/2002EP1149141B1 Method for demetallating petroleum streams
09/18/2002EP1171554A4 Method of removing contaminants from used oil
09/11/2002EP1238044A1 Treatment of crude oils
09/10/2002CA2186806C Method and composition for sweetening liquified petroleum gas
08/2002
08/15/2002WO2002062925A2 Integrated preparation of blending components for refinery transportation fuels
07/2002
07/25/2002WO2001079386A3 Method for reducing the naphthenic acid content of crude oil and its fractions
07/04/2002WO2001079385A3 Method for denitrogenating crude fractions
06/2002
06/28/2002CA2366224A1 Method for reducing the level of elemental sulfur and total sulfur in hydrocarbon streams
06/18/2002US6406616 Process for removing low amounts of organic sulfur from hydrocarbon fuels
06/11/2002US6402940 Using hydrogen peroxide oxidizer
06/05/2002EP1210401A1 Method of removing contaminants from petroleum distillates
06/04/2002US6398948 Method of removing contaminants from used oil
05/2002
05/14/2002US6387348 Method for treating spent caustic streams
05/10/2002WO2002036715A1 Reducing undesired polymerization in hydrocarbon cracking processes
05/10/2002CA2689976A1 Reducing undesired polymerization in hydrocarbon cracking processes
05/02/2002WO2002034863A1 Removal of mercaptans from hydrocarbon streams using ionic liquids
05/02/2002EP1200538A1 Process for treatment of petroleum acids
05/02/2002CA2426770A1 Removal of mercaptans from hydrocarbon streams using ionic liquids
04/2002
04/24/2002CN1345912A Preparation of chemical agent for removing hydrogen sulfide from liquid hydrocarbon and use method thereof
04/16/2002US6372122 Phase transfer catalyst, distillation, solvent extraction
04/16/2002US6372121 Alpha-amino acids, esters, amides or salts or mercaptoacetic acid or ester which convert carbonyl compounds to stable water soluble derivatives
04/03/2002CN1342743A Process for deacidifying from petroleum distillate
03/2002
03/20/2002EP1044054A4 Electrolytic process for treating aqueous waste streams
03/14/2002US20020029997 Contacting sulfur containing fuel with aqueous oxidizing solution comprising hydrogen peroxide and formic acid
03/07/2002WO2002018519A1 Process for the deacidification of crude oil
03/07/2002WO2002018518A1 Process for removing low amounts of organic sulfur from hydrocarbon fuels
03/07/2002CA2420699A1 Process for removing low amounts of organic sulfur from hydrocarbon fuels
03/05/2002US6352640 Caustic extraction of mercaptans (LAW966)
02/2002
02/21/2002WO2001081501A3 Method for demercaptanizing hydrocarbon stock
02/14/2002WO2001079380A3 Mercaptan removal from petroleum streams
02/13/2002EP1066360B1 Removal of naphthenic acids in crude oils and distillates
02/13/2002CN1335353A Comprehensive acid sludge and caustic sludge treating process
01/2002
01/30/2002EP1068280B1 Removal of naphthenic acids in crude oils and distillates
01/30/2002CN1333323A Dynamic tester for alkali refining anti-emulsion of diesel oil
01/16/2002EP1171554A1 Method of removing contaminants from used oil
01/16/2002CN1330968A Process for comprehensive treatment of acid and alkali dregs
12/2001
12/12/2001CN1326498A Method for reprocessing waste oils, base oils obtained according to said method and use thereof
12/12/2001CN1325943A Removal of hydrocarbons from waste alkali from alkaline tower
12/06/2001US20010047921 Vertical extending liquid/liquid contacting column
11/2001
11/29/2001DE10026135A1 Verfahren und Vorrichtung zur Entfernung von Kohlenwasserstoffen aus der Ablauge von Laugewäschern Method and apparatus for removing hydrocarbons from the spent liquor from liquor scrubbers
11/28/2001EP1158038A2 Process and apparatus for the removal of hydrocarbons from the spent liquor of caustic washer
11/20/2001US6319394 Purifying oil; contacting with phase transfer catalyst; heating, distilling, mixing with solvent, separation, recovering
11/07/2001EP1066100A4 Spent caustic pretreatment and enhanced oxidation process
11/01/2001WO2001081501A2 Method for demercaptanizing hydrocarbon stock
10/2001
10/31/2001EP1149141A1 Method for demetallating petroleum streams
10/25/2001WO2001079396A1 Phase-transfer catalyzed destruction of fouling agents in petroleum streams
10/25/2001WO2001079391A1 Selective hydroprocessing and mercaptan removal
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