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