| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 05/11/2011 | CN102050695A Method for recycling waste gas of butadiene extracting device |
| 05/11/2011 | CN102050694A Process for producing high-purity normal alkane solvent |
| 05/11/2011 | CN102049255A Palladium-based catalyst for selective hydrogenation of cracked C4 fractions and preparation method thereof |
| 05/11/2011 | CN101300213B Selective hydrogenation method for olefinic hydrocarbon |
| 05/11/2011 | CN101257968B Polyalkyleneimines and polyalkyleneacrylamide salt for acid gas scrubbing process |
| 05/11/2011 | CN101080373B Method and device for producing lower olefins from oxygenates |
| 05/10/2011 | US7939699 Cobalt catalysts |
| 05/10/2011 | US7938955 Method for producing super-low sulfur gas oil blending component or super-low sulfur gas oil composition, and super-low sulfur gas oil composition |
| 05/05/2011 | US20110105811 Production of distillate blending components |
| 05/04/2011 | EP1218322B1 Process for making a catalyst composition |
| 05/04/2011 | CN102046760A Novel energy efficient and throughput enhancing extractive process for aromatics recovery |
| 05/04/2011 | CN102046265A Method and system for purifying biogas for extracting methane |
| 05/04/2011 | CN102040461A Combined method for increasing yield of paraxylene in production of aromatic hydrocarbons |
| 05/04/2011 | CN102040456A Method for preparing dicyclopentadiene and emulsifying packed tower used thereby |
| 05/04/2011 | CN102040455A Purification method of chromatographically pure organic solvent cyclohexane |
| 05/04/2011 | CN102040449A Method for separating 1-butylene |
| 05/04/2011 | CN102040446A Catalytic rectification method for removing MAPD by selective hydrogenation |
| 05/04/2011 | CN102040445A Technology device and method for preparing propylene by dehydrogenating propane or propane-enriched low carbon hydrocarbon |
| 05/04/2011 | CN102040443A Cold box freezing and blocking processing technology for tertiary refrigeration system |
| 05/04/2011 | CN102040442A Separation method of reaction gas generated in making alkenes from methanol |
| 05/04/2011 | CN102040440A Pretreatment technology for producing m-penta resin by utilizing fine carbon five |
| 05/04/2011 | CN102040439A Method for removing O2, N2 and dimethyl ether from olefin streams |
| 05/04/2011 | CN102039130A Catalyst for selective hydrogenation of oxygen-containing olefin material, and preparation method and use thereof |
| 05/04/2011 | CN102039059A Method for controlling top of fine propylene tower |
| 05/04/2011 | CN101549240B Method for absorbing methane in condensed coal bed gas through pressure varying mode including carbon dioxide replacement |
| 05/04/2011 | CN101244976B Method for producing polymerization level isoprene |
| 05/03/2011 | US7935855 Process and apparatus for treating a feed comprising butadiene |
| 05/03/2011 | US7935851 Isobutylene |
| 04/28/2011 | WO2011049765A2 Production of para-xylene by the methylation of benzene and/or toluene |
| 04/28/2011 | WO2011028317A3 Slurry column gasoline alkylation using gas phase olefin injection |
| 04/28/2011 | WO2011008664A3 Ionic liquids for separation of olefin-paraffin mixtures |
| 04/28/2011 | US20110098507 Asphalt Dispersers On The Basis Of Phosphonic Acids |
| 04/27/2011 | EP2313475A1 Process for removing polar components from a process stream to prevent heat loss |
| 04/27/2011 | CN102030606A Processing method for removing pyridine compound from coal coking crude benzene by fixed bed supplemental refining and hydrorefining processing |
| 04/27/2011 | CN102030603A Process for carrying out pyridine removal and hydrogenating on coking crude benzol |
| 04/26/2011 | US7932423 Removal of inerts from natural gas using hydrate formation |
| 04/26/2011 | US7932329 Use of alkali metal-silica gel (M-SG) materials in solvent and monomer drying and purification for their use in anionic polymerization |
| 04/26/2011 | US7931798 Hydroconversion process for petroleum resids by hydroconversion over carbon supported metal catalyst followed by selective membrane separation |
| 04/26/2011 | CA2503324C Method for regenerating a hydrogenation catalyst |
| 04/26/2011 | CA2467196C A process to produce a dilute ethylene stream and a dilute propylene stream |
| 04/21/2011 | WO2011045701A1 Separation of components from a multi-component hydrocarbon stream which includes ethylene |
| 04/21/2011 | US20110092758 Method of Purifying Olefins Using Pyrrolidinium-Based or Piperidinium-Based Ionic Liquids Comprising Copper (I) Halide |
| 04/21/2011 | US20110089114 Process for absorbing and adsorbing oil degradation products from lubricating oils |
| 04/21/2011 | US20110089082 Method and device for enhanced metal and amine removal from crude oil with controlled electrostatic coalescence |
| 04/21/2011 | CA2777323A1 Separation of components from a multi-component hydrocarbon stream which includes ethylene |
| 04/20/2011 | CN201801471U Industrial naphthalene and water separation and recovery device |
| 04/20/2011 | CN102020526A Preparing method of isobutene using tert-butyl alcohol |
| 04/20/2011 | CN102020524A Selective hydrogenation of dienes in the manufacture of mlab |
| 04/20/2011 | CN102019180A Selective hydrogenation of dienes in the manufacture of mlab |
| 04/20/2011 | CN101433842B Hydrogenation catalyst and preparation method thereof |
| 04/20/2011 | CN101357291B Treatment technique of polypropylene tail-gas generated by continuous-method polypropylene device |
| 04/20/2011 | CN101357289B Flare gas recovering technique during producing polypropylene using interval liquid-phase substantial method |
| 04/20/2011 | CN101343207B Process for the separation of diethylbenzene in carbon deka-aromatic hydrocarbons |
| 04/20/2011 | CN101274875B Use of composite type polymerization inhibitor for butadiene purification and refinement |
| 04/20/2011 | CN101229988B Method for refining high-purity anthracene and carbazole from crude anthracene |
| 04/20/2011 | CN101085711B Method for synthesizing ethyl benzene and diethyl benzene |
| 04/19/2011 | US7928276 Separation by simulated moving bed adsorption starting from aromatic C8 feed delivering a fraction which is rich in meta-xylene and a fraction which is depleted in meta-xylene |
| 04/19/2011 | CA2672489C Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
| 04/14/2011 | WO2011043974A2 Lower reactivity adsorbent and higher oxygenate capacity for removal of oxygenates from olefin streams |
| 04/13/2011 | EP2307338A2 Compositions and methods for olefin recovery |
| 04/13/2011 | CN201791391U Crude benzene distillation water remover device |
| 04/13/2011 | CN102010285A Method for extracting methyl cyclopentadiene from ethylene cracked C9 heavy fractions |
| 04/13/2011 | CN101128409B Product recovery from simulated-moving-bed adsorption |
| 04/12/2011 | US7923595 Process for the treatment of a product stream |
| 04/12/2011 | US7923591 Method and device for producing lower olefins from oxygenates |
| 04/12/2011 | US7923588 Hydrogenation stage over transition metal catalyst; promoter on aluminum oxide oxidic support; ethene, propene, butenes, 2-pentene, 3-hexene and butane |
| 04/12/2011 | US7922980 EB/SM splitter heat recovery |
| 04/07/2011 | WO2011041258A2 Process for removing nitrogen compounds from a hydrocarbon stream |
| 04/07/2011 | WO2011041179A1 Membrane separation of a mixture of close boiling hydrocarbon components |
| 04/06/2011 | EP2303992A2 Process for the hydrogenation of benzene |
| 04/06/2011 | CN201785192U Device for recycling and decomposing components in synthetic ammonia vent gas and purge gas |
| 04/06/2011 | CN102007199A Systems and methods for removing impurities from a feed fluid |
| 04/06/2011 | CN102002380A Energy saving method of industrial fluorene distillation tower used in absorber oil processing |
| 04/06/2011 | CN102001906A Coked crude benzene refining method |
| 04/06/2011 | CN101612549B Adsorbing agent used for removing thiophene and CS2 in coking benzene and preparation method thereof |
| 04/05/2011 | US7919665 Mercury removal from hydrocarbons |
| 04/05/2011 | US7919551 Branched olefin compositions |
| 03/31/2011 | WO2011037861A1 Offgas stream direct contact condenser |
| 03/31/2011 | WO2010129411A3 Molecular sieve membranes and thermal treatment methods of making the same |
| 03/31/2011 | US20110077448 Energy Efficiency in Adsorptive Separation |
| 03/31/2011 | US20110077447 Method and apparatus for the removal of a sorbate component from a process stream |
| 03/31/2011 | US20110077446 Membrane Separation of a Mixture of Close Boiling Hydrocarbon Components |
| 03/31/2011 | US20110077437 Process for sulfur removal from refinery off gas |
| 03/30/2011 | EP2300397A2 Process for production of isobutene by cracking mtbe-containing mixtures |
| 03/30/2011 | CN201775972U Tower with novel structure |
| 03/30/2011 | CN101998985A Quick removal of mercaptans from hydrocarbons |
| 03/30/2011 | CN101998883A Catalyst comprising palladium and selective hydrogenation application thereof |
| 03/30/2011 | CN101993335A Combination method for increasing yield of p-xylene in aromatic hydrocarbon production |
| 03/30/2011 | CN101993334A Method for increasing yield of p-xylene in aromatic hydrocarbon production |
| 03/30/2011 | CN101993333A Combined method for increase production of paraxylene in arene production |
| 03/30/2011 | CN101993332A Combined method for joint production of aromatic hydrocarbon |
| 03/30/2011 | CN101993329A Technique for preparing butene by adopting molecular sieve adsorption method for purification in gas phase state |
| 03/30/2011 | CN101993327A Process of carrying out reaction, rectifying and coupling to selectively hydrogenate to remove MAPD (Methylacetylene Propadiene) |
| 03/30/2011 | CN101993324A Method for extracting n-pentane from reforming topped oil |
| 03/30/2011 | CN101993322A Method for the separation of hydrocarbons in a plant |
| 03/30/2011 | CN101993321A Method for removing oxy-compounds from olefin material flow |
| 03/30/2011 | CN101992087A Catalyst for selective combustion of hydrogen in ethylbenzene dehydrogenation process and preparation method thereof |
| 03/30/2011 | CN101992085A Catalyst for hydrogen selective combustion reaction and preparation method thereof |
| 03/30/2011 | CN101440286B Compound polymerization inhibitor and uses thereof |
| 03/30/2011 | CN101245262B Gas-steam combined cycle system and technique based on coal gasification and methanation |