Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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10/22/2008 | CN101288821A Preparation method of calcium zincate and calcium zincate reclaiming agent at normal temperature |
10/21/2008 | US7439413 Method for the production of isobutene from commericial methyl tert-butly ether |
10/21/2008 | US7437891 Distilling ethane, ethylene, acetylene, hydrogen, methane, and C3 components, removing acetylene using an ethylene distributor column and a partially thermally coupled distributed distillation system |
10/16/2008 | WO2008122705A2 Simulated moving bed separation method and device having a reduced line volume and a reduced number of large-diameter valves |
10/16/2008 | US20080255399 Catalytic dehydrogenation of diphenylethane in presence of water, addition of ethylbenzene to the mixture, separation by settling of mixture obtained and recovery of stream comprising diphenylethylene; used in styrene-butadiene-methyl methacrylate polymerization |
10/15/2008 | CN201132829Y Multifunctional methane purifier r |
10/15/2008 | CN101287691A Process and apparatus for the purification of methane rich gas streams |
10/15/2008 | CN101284756A Purification method for HBr in hydrocarbons |
10/15/2008 | CN100425582C process for improved yields of high molecular weight olefins form lower molecular weight olefines |
10/14/2008 | US7435865 Method for separating hydrocarbons and use of a zeolite therefor |
10/14/2008 | US7435699 Heterogeneous adsorbent and the use for diffusional separation methods |
10/14/2008 | US7435338 Removal of mercury compounds from glycol |
10/14/2008 | US7435319 Continuously supplying a column with a feed, separating feed into low boiler fraction and a high boiler fraction; removing one of fractions continuously into a container; stopping feed; recycling the fraction removed into container; separating |
10/14/2008 | US7435318 Adding entrainers such as 1-ethyl-3-methylimidazolium tetrafluoroborate to liquid mixtures, then distilling the mixtures; efficiency |
10/14/2008 | CA2272638C Flow control device of at least one fluid of a simulated moving-bed comprising separation elements |
10/09/2008 | WO2008121493A1 Integrated alkylation-isomerization process |
10/09/2008 | WO2008120921A1 Separation of olefins from olefins/paraffins mixed gas |
10/09/2008 | WO2008120770A1 Process for producing natural gas hydrate and apparatus therefor |
10/09/2008 | WO2008120769A1 Process for producing natural gas hydrate and apparatus therefor |
10/09/2008 | WO2008120768A1 Gas hydrate compression molding machine |
10/09/2008 | WO2008120767A1 Process for producing mixed gas hydrate |
10/09/2008 | WO2008120605A1 Method of dewatering gas hydrate and apparatus therefor |
10/09/2008 | WO2008120160A1 Methods and apparatus for providing a high purity acetylene product |
10/09/2008 | US20080248399 Nonaqueous Electrolytic Solution for Lithium Secondary Battery |
10/09/2008 | US20080245654 Splitting bonds; controlling radiation frequency |
10/09/2008 | CA2674889A1 Integrated alkylation-isomerization process |
10/08/2008 | CN101279886A Technological process for preparing durene with reformed C10 aromatic |
10/08/2008 | CN100424055C Parallel trimethyl benzene separating apparatus and method |
10/07/2008 | US7432411 Continuous method for obtaining butenes from a C4 fraction |
10/02/2008 | US20080242912 Methods and Apparatus for Providing a High Purity Acetylene Product |
10/02/2008 | US20080242875 Degradation of polycyclic aromatic hydrocarbons to render them available for biodegradation |
10/02/2008 | US20080242748 Process for producing branched olefins from linear olefin/ paraffin feed |
10/01/2008 | EP1973891A1 A process for epoxidizing propene |
10/01/2008 | CN101274875A Composite type polymerization inhibitor for butadiene purification and refinement |
10/01/2008 | CN100422123C Process for the selective hydrogenation of phenylacetylene |
09/30/2008 | US7429686 Low pressure olefin recovery process |
09/25/2008 | WO2008114794A1 Method for regasifying gas hydrate |
09/25/2008 | WO2008114429A1 Method and device for transporting natural gas hydrate |
09/25/2008 | WO2008097672A3 Method of separating condensed liquid from an olefin stream |
09/25/2008 | US20080234527 Separating membrane dehydrogenates hydrocarbon within flow type reaction tube containing catalyst supported by carrier composed of metallic heat conductive support having metal oxide layer localized on surface |
09/24/2008 | CN101270028A Alpha-methylnaphthalene purifying technique |
09/24/2008 | CN101270027A Fine purification system and method for carbonization crude benzol |
09/24/2008 | CN101270026A Abstraction distillation system special for carbonization benezene or sulfureous containing benezene, and fine purification method |
09/24/2008 | CN101269303A Hollow fiber compound film with ultra-thin active layer, preparation method and application thereof |
09/24/2008 | CN100420379C Stable ethene in hibitory compound and its prepn method |
09/23/2008 | CA2178415C Polymerization inhibitor process |
09/18/2008 | US20080228019 Extractive distillation; increased operational reliability due to limited risk of acetylenes accumulation beyond their decomposition limit; heat integration |
09/18/2008 | DE102007012812A1 Verfahren zur Entschwefelung von Kraftstoffen und dafür geeigneter hochaktiver Nickel-Trägerkatalysator auf der Basis von Aluminiumoxid Process for the desulfurization of fuels and suitable for highly active nickel catalyst on alumina-based |
09/17/2008 | EP1970117A1 Gold-based catalysts for selective hydrogenation of unsaturated compounds |
09/17/2008 | EP1969093A1 Process for reducing bromine index of hydrocarbon feedstocks |
09/17/2008 | CN101268324A Recovery of CO-rich product from a mixed gas containing heavy hydrocarbons |
09/17/2008 | CN101265153A Technique for reclaiming organic hydrocarbon and nitrogen gas from polyethylene device tail gas |
09/17/2008 | CN101265152A Application of ionic liquid used as solvent in benzene and cyclohexane extraction, rectification and separation |
09/17/2008 | CN101264444A Preparation of titanium dioxide supported palladium selective hydrogenation catalyst |
09/17/2008 | CN100418938C Method for separating product of carbonaceous olefin catalytic cracking |
09/17/2008 | CN100418628C Preparation method of non-odor solvent oil |
09/16/2008 | US7425652 Preparation of alkanolamines |
09/12/2008 | WO2008107445A1 Gold-based catalysts for selective hydrogenation of unsaturated compounds |
09/11/2008 | US20080221378 Apparatus and Process for Cracking Hydrocarbonaceous Feed Utilizing a Pre-Quenching Oil Containing Crackable Components |
09/11/2008 | DE102007010874A1 Abtrennverfahren Separation |
09/10/2008 | EP1966112A1 Improved process for the dehydrogenation of alkyl-aromatic hydrocarbons for the production of vinyl-aromatic monomers |
09/10/2008 | CN101263097A Process for producing aromatic compound and aromatic compound obtained by the process |
09/10/2008 | CN101260020A Method for treating benzene-containing waste water and reclaiming benzene |
09/10/2008 | CN101260019A Shape selective catalytic cracking preparation method for m-diisopropylbenzene |
09/10/2008 | CN101260017A Pressure-change absorption separation method for ethylene and hydrogen from refining plant dry gas |
09/09/2008 | US7423192 Process and system for blending components obtained from a stream |
09/04/2008 | US20080214885 Method for cleaning tar-bearing waste water and apparatus for performing said method |
09/04/2008 | DE102007010032A1 Procedure for separating a nitrogen-rich fraction from a liquefied natural gas, comprises supplying the natural gas after its liquefaction and super cooling, to a stripping column that serves the separation of the nitrogen-rich fraction |
09/03/2008 | EP1963339A1 Process for recycling cyclopentdienyl derivatives and preapring metallocenes from recycle, substituted cyclopentdienyl derivatives |
09/03/2008 | CN101257968A Polyalkyleneimines and polyalkyleneacrylamide salt for acid gas scrubbing process |
09/03/2008 | CN101255089A Purification technique for producing propylene by refinery plant |
09/03/2008 | CN101255088A 烃的分离 Separation of hydrocarbons |
09/03/2008 | CN101255087A Method for extracting and purifying natural flavor valencene and nootkatone from juglans regia |
09/03/2008 | CN100416197C Method and apparatus for removing nitrogen |
09/03/2008 | CN100415698C Method for continuous preparation of solid natural gas |
09/02/2008 | US7420095 Feeding an aromatics feed stream containing olefin impurities to a multi-stage distillation column; subjecting the overhead stream to alkylation or polymerization of olefin in a clay treater; and injecting the purified overhead stream into the aromatics feed stream. |
08/28/2008 | WO2008021917A3 Three phase extractive distillation with multiple columns connected in series |
08/28/2008 | US20080207976 Method for removing water from an alkylation process system |
08/28/2008 | DE112006002599T5 Ein Verfahren zur Gewinnung von niederen Kohlenstoffolefinen aus Produktgas für die Herstellung von Olefinen A process for recovering lower carbon olefins in the product gas for the production of olefins |
08/27/2008 | EP1960329A2 Recovery of residual plant components after distillation of essential oils |
08/27/2008 | CN101253136A Precess for the combined production of para-xylene and benzene with improved productivity |
08/27/2008 | CN101250083A Preparation method of beta-methylnaphthalene |
08/27/2008 | CN101250082A Preparation method of alpha-methylnaphthalene |
08/27/2008 | CN101250081A Method for preparing durene by using C+10 heavy aromatic hydrocarbon as raw material |
08/27/2008 | CN101250080A Olefin purification technique for methanol production |
08/27/2008 | CN101250079A Heat-exchange network device for refining crude benzene and method of operation |
08/27/2008 | CN101250078A Method for preparing mixed methylnaphthalene by using C+10 heavy aromatic hydrocarbon as raw material |
08/27/2008 | CN100413824C Production of linear alkyl benzene |
08/26/2008 | US7416756 Recovering a phytolipid from a vegetable oil by-product by distillation, the product comprising squalene, phytosterols, mixed tocopherols and tocotrieneols, and vegetable wax; useful as an emollient and also may be incorporated into foods, beverages, and nutraceuticals |
08/21/2008 | WO2008023871A3 Process for co-production of isopropanol and normal paraffins having high purity |
08/21/2008 | US20080200742 Para-Xylene Selective Adsorbent Compositions and Methods |
08/20/2008 | EP1957616A1 Process for reducing bromine index of hydrocarbon feedstocks |
08/20/2008 | EP1159238B1 Production of a gas hydrate slurry using a fluidized bed heat exchanger |
08/20/2008 | CN101248162A Method for production, substitution or digging of gas hydrate |
08/20/2008 | CN101245262A Gas-steam combined cycle system and technique based on coal gasification and methanation |
08/20/2008 | CN101245044A Method for extracting biphenyl and indole from recycling washing oil of coal oil |
08/20/2008 | CN101244976A Method for producing polymerization level isoprene |
08/20/2008 | CN101244975A Method for producing polymerization level isoprene with one-section abstraction combined azeotropy distillation |
08/20/2008 | CN101244974A Method for one-section abstraction distillation separation cracking carbon 5-cut fraction |
08/20/2008 | CN101244973A Method for removing alkyne in high purity isoprene |