Patents for C10G 70 - Working-up undefined normally gaseous mixtures obtained by processes covered by groups , , , , (965)
02/2002
02/21/2002WO2002014242A1 Hydrocarbon gas processing
01/2002
01/23/2002EP1173399A1 Electrochemical process for olefin recovery using transition metal dithiolene complexes
01/22/2002US6340429 Process and device for separating ethane and ethylene from a steam-cracking effluent by solvent absorption and hydrogenation of the solvent phase
01/15/2002US6339182 Separation of olefins from paraffins using ionic liquid solutions
01/09/2002CN1330132A Process for transforming thiols contained in liquefied petroleum gas
01/09/2002CN1329932A Process for reclaiming tail gas in oil refinery and petro-chemical plant
01/03/2002US20020002317 Flexible preparation of propene and hexene
12/2001
12/27/2001WO2001098239A1 Process for the purification of olefins
12/25/2001US6333442 Process for the preparation of an aliphatic alkylate with a high octane number from a C4 cracking fraction
12/12/2001CN1325943A Removal of hydrocarbons from waste alkali from alkaline tower
12/11/2001CA2217895C Butadiene removal system for ethylene plants with front end hydrogenation systems
11/2001
11/29/2001DE10026135A1 Verfahren und Vorrichtung zur Entfernung von Kohlenwasserstoffen aus der Ablauge von Laugewäschern Method and apparatus for removing hydrocarbons from the spent liquor from liquor scrubbers
11/28/2001EP1158038A2 Process and apparatus for the removal of hydrocarbons from the spent liquor of caustic washer
11/28/2001EP1157249A2 System and process for the recovery of propylene and ethylene from refinery offgases
11/22/2001US20010044565 Cat cracker gas plant process for increased olefins recovery
11/15/2001WO2001085656A1 Method and device for treating a c4 fraction
11/15/2001DE10022465A1 Processing a four carbon cut from the fractionation of crude oil, useful for the recovery of 1,4-butadiene, comprises extractive distillation, selective hydrogenation and distillation
11/14/2001CN1321728A Method for preparing aromatic hydrocarbon and hydrogen gas by using low-pressure gas
11/01/2001WO2001081504A2 Fischer-tropsch wax and crude oil mixtures having a high wax content
10/2001
10/31/2001EP0733030B1 Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams
10/30/2001US6308532 System and process for the recovery of propylene and ethylene from refinery offgases
10/25/2001DE10019468A1 Separation of cracked gas from ethylene plant into products used e.g. as plastics intermediates or fuel or in cracking, includes 2-stage liquefaction of top gas from ethane separation column into reflux and washing liquids
10/18/2001US20010031902 Selective hydrogenation process comprising partial separation of hydrogen by a membrane upstream of a reactive column
10/04/2001WO2001072671A1 Process for the removal of mapd from hydrocarbon streams
10/02/2001US6297414 Deep selective hydrogenation process
10/02/2001US6296755 Electrochemical process for olefin recovery using transition metal dithiolene complexes
09/2001
09/26/2001EP0961819B1 Olefin plant recovery system employing catalytic distillation
09/20/2001DE10013253A1 Production of propene and hexene from butenes in a raffinate II C4 fraction comprises reaction with ethene on a Group VIb, VIIb or VIII metal metathesis catalyst
09/19/2001EP1134271A2 Process for producing propene and hexene
09/18/2001US6291734 Integrated low pressure depropanizer/debutanizer column
09/12/2001EP1132453A1 Selective hydrogenation process comprising partial separation of hydrogen by membrane upstream of a reaction column
09/07/2001WO2001064818A1 Use of low pressure distillate as absorber oil in a fcc recovery section
09/07/2001WO2001064609A1 A method for removing polymer from an acid gas treating system
08/2001
08/29/2001EP1127099A1 Ph control method of reducing nitrogen oxides emission
08/22/2001CN1069915C Process for prodn. of hydrogen and hydrogenating feed gas for synthesis of ammonia
08/21/2001US6278033 Catalyst and process for purifying streams of materials
08/07/2001US6271433 Cat cracker gas plant process for increased olefins recovery
07/2001
07/31/2001US6268401 Fischer-tropsch wax and crude oil mixtures having a high wax content
07/18/2001EP1116778A1 A method for the anti-fouling treatment in petrochemical plants
07/04/2001EP0964904B1 Olefin purification by adsorption of acetylenics and regeneration of adsorbent
07/03/2001US6255548 Process for selective hydrogenation of unsaturated compounds
06/2001
06/21/2001DE19961082A1 Process for purifying spent lye containing hydrocarbons from absorption plant for removing acidic gases comprises feeding lye and stripping gas to stripping column and removing stripped lye and stripped waste gas
05/2001
05/29/2001US6239318 From olefin
05/22/2001US6235961 Process for pretreating cracked gas before caustic tower treatment in ehtylene plants
04/2001
04/19/2001WO2001027054A1 Deep selective hydrogenation process
04/10/2001US6212905 Comprising providing a said mixed charge gas from an olefin generation process, separating said charge gas into a bottoms and an overhead at a temperature of about-55degree f. or higher to produce an ethylene product stream as overhead
04/10/2001CA2135610C Acetylene converter moderators
03/2001
03/28/2001CN1288772A Treatment method for gas composition contaiming hydrogen sulfide
03/21/2001EP1085075A1 Treatment of hydrogen sulfide-containing gaseous compositions
03/20/2001US6204218 For removing alkynes, dienes, monounsaturated hydrocarbons and/or oxygen from reaction feed streams which are reacted over one or more catalysts to produce reaction products such as polyethylene or polypropylene
03/16/2001CA2318709A1 Treatment of hydrogen sulfide-containing gaseous compositions
03/14/2001CN1063167C Olefin recovery from olefin-hydrogen mixtures
03/07/2001EP1080056A1 Olefin purification by adsorption of acethylenics and regeneration of adsorbent
03/07/2001CN1286671A Ethylene plant refrigeration system
03/07/2001CN1286241A Process for separating light olefine from alkane
03/06/2001US6197163 Process for removing impurities from petroleum products
02/2001
02/22/2001DE19936548A1 Verfahren und Anlage zum thermischen Spalten von Kohlenwasserstoffen, insbesondere zur Herstellung von Olefinen Method and apparatus for thermal cracking of hydrocarbons, especially for producing olefins
02/20/2001US6190536 Distillation, cooling, compression, absorption, membrane separation
02/15/2001DE10033961A1 Separation of 2-5C olefins from a paraffin mixture optionally containing hydrogen, comprises contacting the mixture with an aqueous solution of a silver compound and an iron (III) compound.
02/08/2001WO2001009269A1 Method and installation for thermally cracking hydrocarbons, especially for producing olefins
02/06/2001US6184424 Process for the hydrogenation of hydroformylation mixtures
02/06/2001US6183628 Pressure swing absorption
01/2001
01/31/2001CN1282363A Process for recovering olefins
01/30/2001CA2223042C Hydrocarbon gas processing
01/25/2001WO2001005909A1 Method for producing c2 to c4 olefins from a feed mixture containing c4 to c8 olefins
01/23/2001US6177600 Reduction of the marginal refrigeration required for ethylene recovery by using lower recovery to improves efficiency; producing ethylene and a dilute ethylene mixture via steam cracking; producing an impure benzene mixture at removed site
01/18/2001DE19933063A1 Verfahren zum Erzeugen von C¶2¶- bis C¶4¶-Olefinen aus einem C¶4¶- bis C¶8¶-Olefine enthaltenden Einsatzgemisch A method of generating C¶2¶- to C¶4¶-olefins from a C¶4¶- to C¶8¶-olefins containing feed mixture
01/02/2001US6169218 Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams
12/2000
12/27/2000EP1062301A1 Two stage hydroprocessing with vapor-liquid interstage contacting for vapor heteroatom removal
12/14/2000WO2000075263A1 Propene recovery
11/2000
11/29/2000CN1275157A Catalytic distiliation and hydrogenation of heavy unsaturates in olefins plant
11/15/2000CN1273575A Combination process for manufacturing ethylene, ethylbenzene and styrene
11/07/2000US6141988 Separating olefins from gases containing olefins and hydrogen by removing hydrogen from the gases using a combination of membrane and pressure swing absorption
10/2000
10/26/2000WO2000031214A3 Recovery of propylene and ethylene from offgases
10/25/2000EP1045820A1 Ethylene plant refrigeration system
10/19/2000WO2000061528A1 Electrochemical process for olefin recovery using transition metal dithiolene complexes
10/19/2000CA2367380A1 Electrochemical process for olefin recovery using transition metal dithiolene complexes
10/11/2000EP1017651A4 A combination process for manufacturing ethylene, ethylbenzene and styrene
10/04/2000EP1040176A1 Process for recovering olefins
09/2000
09/26/2000US6124517 Olefin purification by adsorption of acetylenics and regeneration of adsorbent
09/21/2000WO2000015735A8 Two stage hydroprocessing with vapor-liquid interstage contacting for vapor heteroatom removal
09/13/2000CN1265933A Removement of CO* and H*S from vapoure cracking crude gas
08/2000
08/22/2000US6107533 Foulant reducing upstream hydrogenation unit systems
08/16/2000EP0879220B1 Hydrocarbon separation
08/09/2000CN1262308A Process for preparing city gas catalyst carrier by cracking light oil
08/09/2000CN1262307A Process for preparing city gas catalyst carrier by cracking heavy oil
08/08/2000CA2017308C Process of regenerating a high-boiling scrubbing solution which contains co2 and h2s
08/03/2000WO2000044694A1 Process for pretreating cracked gas before caustic tower treatment in ethylene plants
08/03/2000DE19903566A1 Verfahren zum Gewinnen einer Ethylen-reichen Fraktion A method for obtaining an ethylene-rich fraction
08/02/2000EP1024187A1 Process for obtaining an ethylene-rich fraction
08/02/2000CN1055108C Process for dry gas self hydrogenation refining in refining plant
07/2000
07/12/2000EP1017651A1 A combination process for manufacturing ethylene, ethylbenzene and styrene
06/2000
06/27/2000US6080905 Passing stream of olefin having from 2 to about 8 carbon atoms, containing acetylenic impurities and optionally saturated hydrocarbon gases, through a particulate bed of support material on which is dispersed at least one metal
06/07/2000CN1255477A Selective hydrogenation process of hydrogenation formylation mixture
06/02/2000WO2000031214A2 Recovery of propylene and ethylene from offgases
05/2000
05/23/2000US6066238 Hydrocarbon separation
05/16/2000CA2134821C Catalytic cracking process
05/11/2000WO2000026326A1 Ph control method of reducing nitrogen oxides emission
05/10/2000EP0951463A4 Improved chemical absorption process for recovering olefins from cracked gases
04/2000
04/20/2000DE19845274A1 Entfernung von CO¶2¶ und H¶2¶S aus dem Rohgas der Dampfcrackung Distance from CO¶2¶ and H¶2¶S from the raw gas steam cracking
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