C10G 70 - Working-up undefined normally gaseous mixtures obtained by processes covered by groups , , , ,

Patents for C10G 70 - Working-up undefined normally gaseous mixtures obtained by processes covered by groups , , , , (965)
01/1998
01/20/1998	US5710357 Process for recovering olefins from cat-cracked gas without accumulating undesirable oxides of nitrogen
12/1997
12/18/1997	DE19623791A1 Selective removal of nitrogen oxide(s) from carrier gas
12/16/1997	CA2098684C Composite porous carbonaceous membranes
12/14/1997	CA2205739A1 Removal of nitrogen oxides from gases
11/1997
11/25/1997	CA2141383C Precooling for ethylene recovery in dual demethanizer fractionation systems
11/18/1997	US5689032 Separating hydrocarbon gas
11/12/1997	EP0806468A2 Olefin recovery from olefin-hydrogen mixtures
10/1997
10/21/1997	US5679241 Contacting thermally cracked feedstream in distillation reaction column with hydrogenation catalyst to hydrogenate unsaturated hydrocarbons, fractionating, withdrawing, processing overhead to recover ethylene and propylene
10/07/1997	US5675054 Low cost thermal coupling in ethylene recovery
10/02/1997	DE19612945A1 Removing sulphide(s) from waste caustic alkali liquors
09/1997
09/24/1997	EP0796304A2 Production of high viscosity index lubricants
09/18/1997	WO1997033953A1 Catalytic distillation and hydrogenation of heavy unsaturates in an olefins plant
09/10/1997	EP0731828B1 Multi-bed selective hydrogenation of acetylenes
08/1997
08/13/1997	EP0662998B1 Fouling reducing dual pressure fractional distillation
08/07/1997	WO1997028110A1 Hydrocarbon separation
07/1997
07/15/1997	US5647972 Low pressure chilling train for olefin plants
07/01/1997	US5643440 Production of high viscosity index lubricants
06/1997
06/17/1997	US5639935 Process for recovering olefins from gaseous mixtures
06/11/1997	EP0777710A1 Process for selective hydrogenation of cracked hydrocarbons
06/03/1997	US5634354 Condensation of ethylene; removal of hydrogen from noncondensed gas by polymeric membrane permeation, adsorptive membrane permeation or pressure swing adsorption
04/1997
04/23/1997	EP0626989B1 Absorption process for ethylene and hydrogen recovery
03/1997
03/25/1997	US5614080 Treatments to reduce aldol condensation and subsequent polymerization in monoethanolamine scrubbers
03/19/1997	EP0763588A1 Process for eliminating i-alkenes from hydrocarbon mixtures
03/05/1997	CN1034165C Absorption process for ethylene and hydrogen recovery
02/1997
02/06/1997	WO1997003934A1 Low cost thermal coupling in ethylene recovery
02/05/1997	EP0666895B1 Process for recovering olefins from cat-cracked gas without accumulating undesirable oxides of nitrogen
01/1997
01/29/1997	CN1141622A Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams
01/08/1997	EP0665871B1 Process for cracking and transhydrogenation of hydrocarbon feedstock
01/08/1997	CN1139695A Composition of liquefied petroleum gas for cutting and welding
12/1996
12/19/1996	WO1996040604A1 Hydrocarbon gas processing
12/17/1996	CA2052269C Sorption of trialkyl arsines
11/1996
11/14/1996	WO1996035501A1 Treatments to reduce aldol condensation and subsequent polymerization in monoethanolamine scrubbers
10/1996
10/31/1996	WO1996034227A1 Method and plant for the manufacture of a hydrocarbon-saturated product as well as the product itself
10/31/1996	CA2219196A1 Method and plant for the manufacture of a hydrocarbon-saturated product as well as the product itself
10/30/1996	CN1134748A Cryogenic separation
10/15/1996	CA2096141C Sequence for separating propylene from cracked gases
09/1996
09/25/1996	EP0733030A1 Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams
09/18/1996	EP0731828A1 Multi-bed selective hydrogenation of acetylenes
08/1996
08/28/1996	EP0728284A1 Cryogenic separation
08/20/1996	US5546764 Using heavier hydrocarbons from exhaust gas stream as absorption solvents in stripping, then distillation yields ethylene in overheads and heavy hydrocarbons as bottoms, using no external solvents
07/1996
07/17/1996	EP0539433B1 Process for adsorbing sulfur species from propylene/propane using regenerable adsorbent
06/1996
06/27/1996	DE4446417A1 Gas-liquid exchange column, esp. for absorption
06/13/1996	WO1996017902A1 Production of high viscosity index lubricants
05/1996
05/29/1996	CN1123193A Hydrogen recovery by adsorbent membranes
05/28/1996	US5520724 Process for the recovery of low molecular weight C2+ hydrocarbons from a cracking gas
05/22/1996	CN1122766A Method for producing raw material of synthetic gas from rich tail gas of coking plant
05/15/1996	CN1122358A Improved hydrocarbon catalytic cracking process
04/1996
04/16/1996	US5507860 Composite porous carbonaceous membranes
04/16/1996	US5507856 Use of sweep gas comprising some of same hydrocarbons in hydrogen-hydrocarbon mixture on permeate side of membrane enhances hydrocarbon permeability
04/10/1996	EP0705811A1 Process for recovering ethylene and propylene
04/03/1996	EP0704517A2 Hydrocarbon catalytic cracking process
04/03/1996	CN1119635A Method of seperation of C2/C3 hydrocarbon compounds in ethen apparatus
03/1996
03/13/1996	EP0700984A2 Selective hydrogenation of hydrocarbon fractions containing mono- and poly-unsaturated hydrocarbons
03/13/1996	EP0700708A1 Hydrogen recovery by adsorbent membranes
03/07/1996	WO1996006900A1 Process for selective hydrogenation of cracked hydrocarbons
02/1996
02/21/1996	EP0381720B1 Low pressure noncryogenic processing for ethylene recovery
12/1995
12/24/1995	CA2148849A1 Method of treating sour gas and liquid hydrocarbons
12/06/1995	CN1112911A Improved precooling for ethylene recovery in dual demethanizer fractionation systems
11/1995
11/22/1995	EP0683146A1 Process for the separation of C2/C3 hydrocarbons in ethylene production plants
11/21/1995	CA1337605C Low pressure noncryogenic processing for ethylene recovery
10/1995
10/31/1995	US5463168 Catalytic conversion to ammonia with magnesia/silica, stannic oxide, lithium oxide and vanadia/titania in presence of water;
10/31/1995	US5463154 Hydrogenation to ethylene
10/04/1995	EP0675190A2 Olefin recovery method
10/04/1995	EP0675094A2 Hybrid condensation-absorption olefin recovery
10/02/1995	CA2145013A1 Enhanced olefin recovery process
09/1995
09/26/1995	US5453559 Refrigeration
09/26/1995	US5452581 Olefin recovery method
09/05/1995	US5447559 Hydrogen recovery by adsorbent membranes
08/1995
08/30/1995	EP0669389A1 Process for recovering ethylene comprising a precooling step
08/22/1995	US5444176 Removing acid gases, separating into first portion comprising methane, hydrogen, nitric oxide, and hydrocarbons containing up to three carbon atoms, and second portion comprising nitric dioxide and hydrocarbons having four carbons, oil absorption
08/16/1995	EP0666895A1 Process for recovering olefins from cat-cracked gas without accumulating undesirable oxides of nitrogen.
08/09/1995	EP0665871A1 Process for cracking and transhydrogenation of hydrocarbon feedstock.
08/02/1995	CN1106055A 催化裂化工艺 FCC Process
07/1995
07/19/1995	EP0662998A1 Fouling reducing dual pressure fractional distillator.
07/19/1995	EP0625134B1 Method of producing light c2+ -hydrocarbons from cracked gas
07/11/1995	US5431864 Method of making composite porous carbonaceous membranes
06/1995
06/15/1995	WO1995015934A1 Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams
06/08/1995	WO1995015365A1 Multi-bed selective hydrogenation of acetylenes
06/06/1995	US5421167 Enhanced olefin recovery method
05/1995
05/31/1995	EP0655492A2 Catalytic cracking process
05/18/1995	WO1995013511A1 Cryogenic separation
05/18/1995	CA2174514A1 Cryogenic separation
05/09/1995	US5414170 Mixed phase front end C2 acetylene hydrogenation
05/03/1995	EP0650516A1 Acetylene converter moderators
04/1995
04/18/1995	US5406802 Passing gas through absorber, contacting solvent stream, passing solvent rich stream to a lower purification zone and concurrently contacting with reflux stream, withdrawing second solvent rich stream, flashing; non-cryogenic separation
03/1995
03/08/1995	CN1027819C Method for recovering C3, C4 gas from tower top during hydrogenation
02/1995
02/15/1995	CN1098709A Mixed phase front end C2 acetylene hydrogenation
02/08/1995	CN1027592C Dehydration and heat exchange equipment for treatment of petrol gas
02/07/1995	US5386872 Wasted heat driven refinery's petroleum gas recovery apparatus
12/1994
12/14/1994	EP0557396B1 Sequence for separating propylene from cracked gases
12/13/1994	US5372009 Recovering pure products from feed gas comprising close boiling components
12/07/1994	EP0626989A1 Absorption process for ethylene and hydrogen recovery.
11/1994
11/17/1994	EP0624562A1 Mixed phase front end C2 acetylene hydrogenation
11/08/1994	US5361589 Precooling for ethylene recovery in dual demethanizer fractionation systems
10/1994
10/11/1994	US5354547 Passing feed mixture of primary and secondary feed components into separator containing a composite semipermeable membrane, where portions of the secondary component are preferentially adsorbed
08/1994
08/30/1994	US5342509 Fouling reducing dual pressure fractional distillator
07/1994
07/05/1994	US5326929 Absorption process for hydrogen and ethylene recovery
07/05/1994	US5325672 Process for the purification of gases
06/1994
06/21/1994	US5321952 Separation, recovering by solvent extraction, absorption, desorption, refluxing; light components from hydrocarbons
05/1994
05/25/1994	EP0597970A1 Process for removing impurities from petroleum products

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