Patents for C10G 19 - Refining hydrocarbon oils, in the absence of hydrogen, by alkaline treatment (954)
10/2005
10/13/2005US20050224394 Method of removal of carbonyl compounds along with acid gases from cracked gas in ethylene process
09/2005
09/21/2005CN1219854C Method of crude oil and fraction oil deacidification and naphthenic acid refining method
08/2005
08/31/2005CN1216964C Reducing undesired polymerization in hydrocarbon cracking processes
08/16/2005US6929737 Method of removing contaminants from petroleum distillates
08/03/2005EP1559768A1 Method of regenerating used oils by means of extraction with solvents
08/03/2005EP1485187A4 Regeneration of caustic solutions
08/03/2005CN1649984A Method for regenerating used oils by means of extraction with solvents
08/03/2005CN1649983A Method for prevention of fouling in basic solution by inhibiting polymerization and solubilizing deposits using lactams or amino acids
07/2005
07/13/2005CN1639299A Method of removal of carbonyl compounds along with acid gases from cracked gas in ethylene process
07/12/2005CA2226750C Process for neutralization of petroleum acids using overbased detergents
06/2005
06/29/2005EP1545731A2 Treatment of spent caustic refinery effluents
06/09/2005CA2546905A1 Silica gel compositions containing alkali metals and alkali metal alloys
06/07/2005US6902662 Method of reducing hydrolysis in hydrocarbon streams
04/2005
04/06/2005CN1604956A Process for sulfur reduction in naphtha streams
03/2005
03/30/2005EP1517978A1 Method of removal of carbonyl compounds along with acid gases from cracked gas in ethylene process
03/30/2005EP1200538B1 Process for treatment of petroleum acids
03/01/2005US6860999 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
02/2005
02/02/2005EP1501912A1 Method of reducing hydrolysis in hydrocarbon streams
02/02/2005EP1501910A1 Method for prevention of fouling in basic solution by inhibiting polymerization and solubilizing deposits using lactams or amino acids
01/2005
01/26/2005CN1186424C Petroleum acid sludge treating process
01/25/2005US6846402 Thermally stable jet prepared from highly paraffinic distillate fuel component and conventional distillate fuel component
01/19/2005EP1238044A4 Treatment of crude oils
01/19/2005CN1185327C Method for reprocessing waste oils, base oils obtained according to said method and use thereof
01/12/2005EP1315785A4 Process for removing low amounts of organic sulfur from hydrocarbon fuels
01/12/2005EP1285051A4 Mercaptan removal from petroleum streams
01/12/2005CN1184285C Process for removing trace hydrogen sulfide from light oil
01/11/2005CA2252033C Process for treating acidic crudes using alkaline earth metal carbonate
12/2004
12/29/2004CN1182040C Method for handling oil refining alkaline residue
12/22/2004EP1337604A4 Reducing undesired polymerization in hydrocarbon cracking processes
12/22/2004EP0983109B1 Spent caustic (pre)treatment process
12/15/2004EP1485187A1 Regeneration of caustic solutions
12/14/2004CA2301255C Method of inhibiting foam formation in alkanolamine systems
12/14/2004CA2235735C Process for upgrading heavy oil using lime
12/14/2004CA2215893C Process for upgrading heavy oil using aqueous lime
12/08/2004CN1552810A Catalytic diesel non-hydrogenation chemical refining process
12/08/2004CN1178731C Vertical extending liquid/liquid contacting column
12/01/2004CN1177912C Process for decreasing acid content and corrosivity of crudes
11/2004
11/30/2004US6824750 Solvent extraction
11/24/2004CN1177019C Chemical refining process of eliminating unsoluble oxides and gum from diesel oil
10/2004
10/21/2004WO2003050207A8 Process for sulfur reduction in naphtha streams
10/07/2004US20040195179 Measuring crude oil weight fraction eluted by methylene chloride-methanol cosolvent after adsorption of sample on silica gel column and sequential elution with n-hexane then toluene to determine water solubility level; pretreating high solubility oil prior to dewatering and desalting
10/06/2004EP1464692A1 Method for forming unstable water-in-oil emulsions and improving of oil desalting through the same method
09/2004
09/30/2004US20040188327 Splitting into high boiling and low boiling streams; hydrodesulfurization effluents; mixing streams from chemical reactors
09/29/2004CN1168801C Process for decreasing the acid content and corrosivity of crudes
09/23/2004US20040182743 Process
09/21/2004CA2363691C Method of removing contaminants from used oil
09/09/2004US20040175307 Apparatus and process for extracting sulfur compounds from a hydrocarbon stream
09/08/2004EP1060230A4 Process to upgrade crude oils by destruction of naphthenic acids, removal of sulfur and removal of salts
09/02/2004US20040170543 Using gas streams containing oxygen; oxidizer tower venting gases; circulation; compression
08/2004
08/12/2004WO2004067682A1 Production of low sulfur gasoline
07/2004
07/28/2004CN1159415C Dynamic tester for alkali refining anti-emulsion of diesel oil
07/27/2004US6767452 Process for treatment of petroleum acids
07/13/2004CA2316901C Electrolytic process for treating aqueous waste streams
07/07/2004CN1510109A Combination process for deeply desulfurzing liquified petroleum gas and light olefin by solid alkali neutralizing agent and alkali
06/2004
06/29/2004US6755974 Multiphase process for extracting mercaptans from cracked naphtha using alkali metal alkylphenylate, alkali metal hydroxide, water, and sulfonated cobalt phthalocyanine
06/15/2004US6749741 Apparatus and process for prewashing a hydrocarbon stream containing hydrogen sulfide
05/2004
05/26/2004EP1285048A4 Phase-transfer catalyzed destruction of fouling agents in petroleum streams
05/26/2004CN1150974C Preparation of chemical agent for removing hydrogen sulfide from liquid hydrocarbon and use method thereof
05/19/2004EP1419218A1 Continuous naphtha treatment method
05/19/2004EP1419217A1 Liquid hydrocarbon treatment method
05/12/2004EP1285044B1 Method for reducing the naphthenic acid content of crude oil and its fractions
04/2004
04/28/2004EP1412460A1 Naphtha desulfurization method
04/28/2004EP1412455A1 Continuous liquid hydrocarbon treatment method
04/21/2004EP1409611A1 Composition and control method for treating hydrocarbon
04/15/2004DE10246220A1 Separation of a 2C rich fraction from a hydrocarbon rich fraction comprises acid-gas washes in which identical washing agents are used with regeneration in a common regeneration unit
03/2004
03/31/2004CN1485409A Method for handling oil refining alkaline residue
03/30/2004US6712954 Method for reprocessing waste oils, base oils obtained according to said method and use thereof
03/25/2004WO2004024850A1 Process for the production of a fuel composition
03/25/2004CA2502623A1 Process for the production of a fuel composition
03/17/2004EP0873381B1 Process for decreasing the corrosivity and acidity of petroleum crudes
03/17/2004CN1142257C Process for deacidifying petroleum distillate
02/2004
02/26/2004WO2002018518A8 Process for removing low amounts of organic sulfur from hydrocarbon fuels
02/11/2004EP1141181B1 Method for reprocessing waste oils
02/11/2004CN1137755C Removement of Co2 and H2S from vapour cracking crude gas
02/04/2004EP1385922A2 Integrated preparation of blending components for refinery transportation fuels
01/2004
01/22/2004WO2004007644A1 Method of regenerating used oils by means of extraction with solvents
01/20/2004US6679987 Process for decreasing the acid content and corrosivity of crudes
01/15/2004US20040007499 For petroleum oils; eliminating extraction solvent, then flashing, vaporizing, separating light fractions in presence of reducing agent, and distilling vacuum gas-oils
01/08/2004WO2004003110A1 Method of removal of carbonyl compounds along with acid gases from cracked gas in ethylene process
12/2003
12/31/2003CN1132899C Comprehensive acid sludge and caustic sludge treating process
12/31/2003CN1132641C Process for comprehensive treatment of acid and alkali dregs
12/17/2003CN1461795A Method of crude oil and fraction oil deacidification and naphthenic acid refining method
11/2003
11/20/2003WO2002062925A3 Integrated preparation of blending components for refinery transportation fuels
11/19/2003CN1456637A Drastic desulfurizing method for light end products by solid base
11/13/2003WO2003093399A1 Method of reducing hydrolysis in hydrocarbon streams
11/13/2003WO2003093397A1 Method for prevention of fouling in basic solution by inhibiting polymerization and solubilizing deposits using lactams or amino acids
11/13/2003CA2483568A1 Method of reducing hydrolysis in hydrocarbon streams
11/12/2003CN1454966A Petroleum acid sludge treating process
11/06/2003US20030205503 Aminocarboxylic or sulfonic acid or salt, lactam or sultam; especially 6-aminocaproic acid, hydrolyzed from the lactam
10/2003
10/30/2003US20030201207 Mixing with overbased compound; controlling temperature
10/15/2003CN1449432A Process for removing low amounts of organic sulfur from hydrocarbon fuels
10/09/2003US20030188992 Selective hydroprocessing and mercaptan removal
09/2003
09/24/2003CN2575099Y Long-acting ediable oil gum-wax separating device
09/04/2003WO2003072224A1 Regeneration of caustic solutions
09/03/2003CN1120215C Non-hydrogenation process for chemically refining diesel oil from heavy oil by catalyst cracking
08/2003
08/27/2003EP1337605A1 Removal of mercaptans from hydrocarbon streams using ionic liquids
08/27/2003EP1337604A1 Reducing undesired polymerization in hydrocarbon cracking processes
07/2003
07/23/2003EP1285047A4 Selective hydroprocessing and mercaptan removal
07/23/2003EP1285043A4 Caustic extraction of mercaptans
07/10/2003US20030127362 Fluidized beds catalytic cracking; desulfurization
1 2 3 4 5 6 7 8 9 10