Patents
Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802)
11/2009
11/11/2009CN101575254A Process for recycling polymer grade ethylene from refinery dry gas
11/11/2009CN100558684C Palladium-based catalyst for selective hydrogenation of acetylene
11/10/2009CA2479641C Process for producing selected phenyl-alkanes with adsorptive separation step
11/05/2009WO2009083227A9 Method and device for separating off low-boiling components from hydrocarbon mixtures
11/05/2009WO2009010558A3 Method and apparatus for recovering and fractionating a mixed hydrocarbon feed stream
11/05/2009WO2007135041A3 Process for preparing acrolein or acrylic acid or a mixture thereof from propane
11/05/2009US20090273768 Liquid for immersion exposure, method of purifying the same,and immersion exposure method
11/03/2009US7612246 Process for isomerization of a C7 fraction with co-production of an aromatic molecule-rich fraction
11/03/2009US7611623 Use in separation processes of hydrocarbon currents containing light olefins such as from methanol to olefins process; use of Zeolite ITQ-29, which is highly hydrophobic, the efficiency of which in separation processes is not reduced by adsorption of water; separating linear from branched olefins
10/2009
10/29/2009WO2009130402A1 Reactive simulated mobile bed for producing paraxylene
10/29/2009US20090270665 Device to separate olefins from paraffins and to purify olefins and use thereof
10/28/2009EP2112216A2 Corrosion reduction with amine scavengers
10/28/2009EP2111384A1 Dual zone aromatic alkylation process
10/28/2009CN101565348A Technical method for recovering ethylene from ethylene containing mixed gas
10/28/2009CN101565347A Method for processing an olefin-containing product stream
10/28/2009CN101565237A Sewage recycling anaerobic processing device
10/28/2009CN100554225C Polymerization inhibitor
10/28/2009CN100553742C Method for removing contaminating gaseous components from a natural gas stream
10/28/2009CN100553741C Improved simulated moving bed separation process and device
10/22/2009US20090264695 System and method for using super critical state carbon dioxide (CO2) as a hydrocarbon diluent
10/21/2009CN101563306A Neutralization of quench stream in a process for handling catalyst from an oxygenate-to-olefin reaction
10/21/2009CN101560976A Energy-saving and environment-friendly vacuum device applied to petrochemical engineering and mixed arene separating system
10/21/2009CN101559320A Separation method of Fischer-Tropsch synthesis gas by combining rectification and solvent absorption
10/21/2009CN100551886C Technology of making refined benzene by hydrogenation, desulfurization and denitrification of coking benzene
10/21/2009CN100551885C Method for recovery of low-carbon olefin from product gas
10/21/2009CN100551883C Method and reactor for catalytic cracking for producing propylene using fluid bed
10/20/2009US7605296 Method for separating and purifying 2,6-dimethylnaphthalene
10/20/2009CA2351431C A method for preventing or retarding the formation of gas hydrates
10/15/2009WO2009126790A1 Quick removal of mercaptans from hydrocarbons
10/15/2009WO2009126127A1 Novel energy efficient and throughput enhancing extractive process for aromatics recovery
10/15/2009US20090255851 Catalysts, preparation of such catalysts, methods of using such catalysts, products obtained in such methods and uses of products obtained
10/15/2009CA2720922A1 Quick removal of mercaptans from hydrocarbons
10/14/2009CN201324586Y Device for low-temperature adsorption and purification of ethylene
10/14/2009CN101555197A Comprehensive use method of mixed C-4
10/14/2009CN101555188A Method for purifying 1, 2-diphenylethane by recrystallization of diols solvent
10/14/2009CN101555186A Method for preparing methane by deeply purifying landfill gas
10/14/2009CN100548983C Method for preparing anthracene and carbazole in high purity by rectifying crude anthracene
10/14/2009CN100548949C Process for the selective hydrogenation of alkynes and/or dienes in an olefin-containing hydrocarbon stream
10/14/2009CN100548943C Process for producing olefins
10/14/2009CN100548940C One and two step ultracritical fluid extraction of carotene, VE and other trace element concentration
10/14/2009CN100548440C Separation method using an itq-29 zeolite material
10/13/2009US7601880 Method for catalytic deoxygenation of process fluids of olefin dimerization process
10/13/2009US7601253 Process oil and process for producing the same
10/13/2009CA2488051C Selective hydrogenation of acetylenes
10/13/2009CA2175015C Process for inhibiting or delaying formation, growth and/or aggregation of hydrates in the process effluents
10/08/2009WO2009123639A1 Process for the purification of a diolefin hydrocarbon stream
10/08/2009WO2009081024A8 Agglomerated zeolitic adsorbents, method of preparing them and uses thereof
10/08/2009WO2009081023A8 Agglomerated zeolitic adsorbents, method of preparing them and uses thereof
10/08/2009CA2715851A1 Process for hydrogenating olefins
10/07/2009CN101553450A Process for production of ethylene low polymer
10/07/2009CN101550058A Method for refining overcharging additive biphenyl of lithium ion battery
10/07/2009CN101549240A Method containing carbon dioxide replacement for absorbing methane in condensed coal bed gas through pressure varying mode
10/07/2009CN100546958C Method for reclaiming terpenes during perfluoroethylene production process
10/06/2009CA2309972C Two stage hydroprocessing with vapor-liquid interstage contacting for vapor heteroatom removal
10/01/2009WO2009119725A1 Process for producing p-substituted aromatic hydrocarbon
10/01/2009WO2009092682A3 Method and device for the distillative processing of 1,5,9-cyclododecatriene and extraction of cdt at high purity
10/01/2009WO2009086839A3 A catalyst, a process for selective hydrogenation of acetylene to ethylene and a method for the manufacture of the catalyst
10/01/2009WO2009064411A8 Methods for the removal of impurities from polymerization feed streams
10/01/2009US20090247806 Simulated Countercurrent Adsorptive Separation Process
10/01/2009US20090246114 Microporous molecular separation membrane with high hydrothermal stability
10/01/2009DE102008015081A1 Verfahren und Vorrichtung zur Aufbereitung von Klärgas zu Brenngas Method and apparatus for treatment of sewage gas to fuel gas
09/2009
09/30/2009CN101544534A Method for directly separating and purifying cyclopentene from C5 raw material adopting extraction and distillation technology
09/30/2009CN101544533A Method for depredating acetylene hydrocarbon in cracked carbon-5 distillate by acetylene hydrocarbon post-depredation process
09/30/2009CN101544532A Method for producing butylene-1 by utilizing catalytic cracking by-product C4 hydrocarbons and ethylene cracking by-product C4 hydrocarbons as raw materials
09/30/2009CN101544531A Method for purifying high-purity organic solvent-normal hexane for scientific research
09/30/2009CN101544530A Method for deep removal of water in ethyne and chlorine hydride mixed gas
09/30/2009CN101544529A Method and equipment for pre-treatment of reaction produced gas in olefin preparation technology by oxygen-containing compounds
09/30/2009CN100545135C EB/SM splitter heat recovery
09/29/2009CA2505079C Process for the selective hydrogenation of alkynes
09/29/2009CA2500153C Portable gas-to-liquids unit and method for capturing natural gas at remote locations
09/29/2009CA2387420C Corrosion and gas hydrate inhibition during transport of water and a hydrocarbon through a pipeline
09/24/2009WO2009116561A1 Method of converting ethylbenzene and process for producing p-xylene
09/24/2009WO2009115513A1 Use of formiate-based porous organometallic framework materials for storing methane
09/24/2009US20090240092 Ortho-nitrosophenols as polymerization inhibitors
09/23/2009CN101538185A Method for extracting mesitylene fraction rich in hydrocracking C 9 by combination of continuous lateral line distillation and extractive distillation
09/22/2009US7592499 Purity; simplification; integrating production loops producing synergistic effect; eliminating benzene alkylation step; optimizing isomerisation unit for easier separation
09/17/2009WO2009112386A1 Regeneration of hydrogenation catalysts based on a platinum metal
09/17/2009WO2009083227A3 Method and device for separating off low-boiling components from hydrocarbon mixtures
09/17/2009US20090234172 Process of butadiene-1, 3 extraction
09/17/2009US20090234170 Method for separating aromatic compounds using simulated moving bed operation
09/16/2009CN101535219A Process for removal of oxygenates from a paraffin stream
09/16/2009CN101531921A Complex solvent for extracting and separating aromatic hydrocarbon in gasoline or hydrocarbon mixture
09/16/2009CN101531563A Chemical complexing directional separation and purification method for preparing high-purity beta-elemene raw material medicament
09/16/2009CN101531562A Method for preparing lycopene by macroporous occluded resin
09/16/2009CN101531561A Method for purifying and separating methane from oxygen-containing coal-bed gas
09/16/2009CN101531560A Method for extracting methane from oxygen-containing coal-bed gas through low-temperature liquefying separation
09/16/2009CN101531559A Method for purifying and separating methane from oxygen-containing coal bed gas
09/16/2009CN101531558A Catalytic conversion method for preparing propylene and aromatic hydrocarbons
09/16/2009CN101531365A Preparation method of pressed active carbon for pressure swing adsorption/separation of methane/nitrogen
09/16/2009CN101530719A Method and device for low-pressure processing of coal bed gas
09/11/2009WO2009110492A1 Method and apparatus for purifying olefin
09/10/2009US20090227825 Process for removing contaminants from hydrocarbon obtained from recycled materials
09/10/2009US20090223870 Device for removing Oxygen-Containing Organic Compounds from Mixtures of Various Hydrocarbon Compounds
09/09/2009EP2097360A1 Low temperature process for recovering and producing para-xylene and heat exchange network therefore
09/09/2009CN101525265A Method for improving hydrogenation process of hexane gas cutting device
09/09/2009CN101525264A Method for recycling sodium hypochlorite purifying liquid used for purifying acetylene gas
09/09/2009CN101525263A Method for continuously recovering unreacted aromatic hydrocarbon in process of manufacturing aromatic carboxylic acid
09/08/2009US7585808 Methods for preparing catalysts
09/08/2009CA2393984C Carrier catalytic converter for the selective hydrogenation of alkines and dienes
09/03/2009WO2009107145A2 A method and an apparatus for the recovery of cyclohexane from the grease stream
1 ... 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 ... 139