C10G 19 - Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment

Patents for C10G 19 - Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment (954)
10/2001
10/25/2001	WO2001079386A2 Method for reducing the naphthenic acid content of crude oil and its fractions
10/25/2001	WO2001079385A2 Method for denitrogenating crude fractions
10/25/2001	WO2001079384A1 Caustic extraction of mercaptans
10/25/2001	WO2001079380A2 Mercaptan removal from petroleum streams
10/25/2001	CA2407066A1 Selective hydroprocessing and mercaptan removal
10/25/2001	CA2405201A1 Caustic extraction of mercaptans
10/25/2001	CA2404902A1 Mercaptan removal from petroleum streams
10/25/2001	CA2404267A1 Method for reducing the naphthenic acid content of crude oil and its fractions
10/25/2001	CA2401871A1 Method for denitrogenating crude fractions
10/23/2001	US6306288 Process for removing sulfur compounds from hydrocarbon streams
10/10/2001	EP1141181A1 Method for reprocessing waste oils, base oils obtained according to said method and use thereof
10/10/2001	CN1072641C Process for separating and recovering naphthenic acid from fraction oil of petroleum
10/04/2001	US20010025807 Method of removing contaminants from petroleum distillates
09/2001
09/20/2001	US20010022281 Continuous purification of used motor oil using sodium/ potassium hydroxide and phase transfer catalyst (ethylene glycol); distillation; recycling
09/19/2001	EP0800567B1 Method for demetallating refinery feedstreams
09/12/2001	CN1312849A Process for reducing total acid rumber of crude oil
09/05/2001	EP1128903A1 Process for treatment of petroleum acids with ammonia
08/2001
08/23/2001	WO2001060490A1 Vertical extending liquid/liquid contacting column
08/08/2001	CN2441806Y Static test device for anti-emuslion of diesel oil alkali refinery
07/2001
07/18/2001	EP1116778A1 A method for the anti-fouling treatment in petrochemical plants
07/18/2001	EP1116776A2 Method for treating spent caustic streams
07/10/2001	US6258258 Contacting acidic crude with excess of ammonia to form amide for decreasing acidity of start acidic crude oil
06/2001
06/27/2001	EP1109879A1 Process for reducing total acid number of crude oil
06/07/2001	WO2001040113A1 Process and apparatus for treating and regenerating spent aqueous solutions of caustic soda from purification and cleansing of petroliferous products
05/2001
05/29/2001	US6238551 Method of removing contaminants from petroleum distillates
05/25/2001	WO2001036564A1 Treatment of crude oils
05/17/2001	US20010001198 Method of removing contaminants from petroleum distillates
05/16/2001	CN1295608A Removal of naphthenic acids in crude oils and distillates
05/16/2001	CN1295607A Removal of naphthenic acids in crude oils and distillates
05/01/2001	US6224750 Extraction, separation, desulfurization
04/2001
04/18/2001	EP1029116A4 Gas treating solution corrosion inhibitor
04/03/2001	US6210583 Spent caustic pretreatment and enhanced oxidation process
04/03/2001	US6210564 Contacting petroleum feed with sodium metal using staged addition, heating in presence of excess hydrogen to suppress formation of sodium sulfide(na2s) and to form of sodium sulfhydrate (nash) during desulfurization
03/2001
03/14/2001	CN1287149A Method of eliminating colloidal matter from catalytically cracked diesel oil
03/07/2001	CN1062891C Simple method for treating acid residuals from petroleum refinery
02/2001
02/20/2001	US6190541 Process for treatment of petroleum acids (LAW824)
01/2001
01/30/2001	US6179999 Method of removing contaminants from used oil
01/17/2001	EP1068280A1 Removal of naphthenic acids in crude oils and distillates
01/10/2001	EP1066360A1 Removal of naphthenic acids in crude oils and distillates
01/10/2001	EP1066100A1 Spent caustic pretreatment and enhanced oxidation process
01/10/2001	CN1279269A Non-hydrogenation process for chemically refining diesel oil from heavy oil by catalyst cracking
01/03/2001	EP1029015A4 Corrosion inhibitor for alkanolamine units
12/2000
12/20/2000	EP1060230A1 Process to upgrade crude oils by destruction of naphthenic acids, removal of sulfur and removal of salts
11/2000
11/16/2000	WO2000068341A1 Process for treatment of petroleum acids
10/2000
10/18/2000	EP1044054A1 Electrolytic process for treating aqueous waste streams
10/17/2000	US6132590 Electrochemical process for treatment of an aqueous mixture comprising oxidizable, sulfur-containing impurities, said mixture obtained by scrubbing a hydrocarbon gas or liquid with an aqueous alkali metal hydroxide solution
10/17/2000	CA2105134C Process for removing elemental sulfur from fluids
09/2000
09/14/2000	WO2000053706A1 Method of removing contaminants from petroleum distillates
09/13/2000	CN1265933A Removement of CO* and H*S from vapoure cracking crude gas
08/2000
08/31/2000	WO2000050539A1 Process for neutralization of petroleum acids
08/24/2000	WO2000049114A1 Method of removing contaminants from used oil
08/23/2000	EP1029116A2 Gas treating solution corrosion inhibitor
08/23/2000	EP1029015A1 Corrosion inhibitor for alkanolamine units
08/16/2000	EP1027124A1 Methods of inhibiting foam formation in alkanolamine systems
08/01/2000	US6096196 Treating crude oil containing naphthenic acids with an alkoxylated amine to form a water-in-oil emulsion of amine salt
06/2000
06/29/2000	WO2000037588A1 Method for demetallating petroleum streams
06/29/2000	CA2353951A1 Method for demetallating petroleum streams
06/21/2000	CN1257102A Process for treating waste lye of refining oil products in petroleum refining industry
05/2000
05/18/2000	WO2000027957A1 Method for reprocessing waste oils, base oils obtained according to said method and use thereof
05/18/2000	DE19852007A1 Verfahren zur Wiederaufarbeitung von Altölen, die mit dem Verfahren erhältlichen Grundöle und deren Verwendung Process for recycling of waste oils, base oils obtained with the method and use thereof
05/09/2000	US6059992 Mixture of quinone and oxime; oxygen scavengers
04/2000
04/25/2000	US6054042 Process for neutralization of petroleum acids using overbased detergents
04/20/2000	DE19845274A1 Entfernung von CO¶2¶ und H¶2¶S aus dem Rohgas der Dampfcrackung Distance from CO¶2¶ and H¶2¶S from the raw gas steam cracking
04/13/2000	WO2000020113A1 Process for treatment of petroleum acids with ammonia
04/12/2000	EP0992568A2 Removal of CO2 and H2S from gas from steam-cracking
04/11/2000	US6048462 Waste component removal from crude oil or gas
04/05/2000	CN1249795A Waste component removal from crude oil or gas
03/2000
03/29/2000	EP0983109A4 Spent caustic (pre)treatment process
03/08/2000	EP0983109A1 Spent caustic (pre)treatment process
02/2000
02/29/2000	US6030523 Process for neutralization of petroleum acids (LAW810)
02/24/2000	WO2000009631A1 Process for reducing total acid number of crude oil
02/24/2000	CA2338623A1 Process for reducing total acid number of crude oil
02/23/2000	CN1245160A Process for separating and recovering naphthenic acid from fractional oil of petroleum
02/08/2000	US6022494 Contacting acid-containing corrosive crude oil with metal-containing compound selected from the group consisting of group ia and iia metal oxides, hydroxides and hydroxide hydrates in the presence of watereffective amount of
01/2000
01/12/2000	CN1048277C Method for refining shale oil by adding lime to improve oil stabilty
12/1999
12/28/1999	US6007705 Contacting metals-containing petroleum feed in the presence of an aqueous base selected from group ia and iia hydroxides and carbonates, ammonium hydroxide and carbonate and mixtures thereof, an oxygen containing gas and a phase transfer agent
12/28/1999	US6007701 Method of removing contaminants from used oil
12/07/1999	US5997731 Process for treating an effluent alkaline stream having sulfur-containing and phenolic compounds
11/1999
11/16/1999	US5985137 Process to upgrade crude oils by destruction of naphthenic acids, removal of sulfur and removal of salts
10/1999
10/07/1999	WO1999050376A1 Removal of naphthenic acids in crude oils and distillates
10/07/1999	WO1999050375A1 Removal of naphthenic acids in crude oils and distillates
10/07/1999	CA2323051A1 Removal of naphthenic acids in crude oils and distillates
10/07/1999	CA2322223A1 Removal of naphthenic acids in crude oils and distillates
10/05/1999	US5961821 Removal of naphthenic acids in crude oils and distillates
10/05/1999	US5961819 First treatment occurs in the presence of a fiber bundle and the subsequent treatment over a bed of supported oxidation catalyst; continuously keeping the bed in contact with an aqueous alkali metal hydroxide to maintain the catalyst in a
09/1999
09/30/1999	WO1999049000A1 Conversion of heavy petroleum oils to coke with a molten alkali metal hydroxide
09/21/1999	US5954949 Purification of residual oil during coking to form heavy metal-free and sulfur-free coke
09/02/1999	WO1999043766A1 Process to upgrade crude oils by destruction of naphthenic acids, removal of sulfur and removal of salts
09/02/1999	WO1999043406A1 Spent caustic pretreatment and enhanced oxidation process
09/01/1999	CN1227251A Method for preparing solid alkali for oil refinery
08/1999
08/18/1999	EP0935644A1 Process for decreasing the acid content and corrosivity of crudes
07/1999
07/28/1999	CN1223898A Dechlorinating agent and its preparing method
07/15/1999	WO1999034895A1 Electrolytic process for treating aqueous waste streams
07/13/1999	US5921911 Methods of inhibiting foam formation in alkanolamine systems
07/01/1999	WO1999019539A3 Gas treating solution corrosion inhibitor
06/1999
06/29/1999	CA2068011C Process for removing elemental sulfur from fluids
06/23/1999	EP0924284A2 Method of decreasing acidity of crude oils and fractions
05/1999
05/18/1999	US5904839 Thinning and corrosion resistance
04/1999
04/22/1999	WO1999019539A2 Gas treating solution corrosion inhibitor
04/06/1999	US5891325 Heat treatment

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