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8173567 Process for regenerating catalyst  
Disclosed is a catalyst distributor and process for spreading catalyst over a regenerator vessel. Nozzles disposed angular to a header of the distributor spread catalyst throughout a full cross...
8017539 Once through regeneration for an olefin cracking reactor  
A regeneration process for olefin cracking reactor is presented. The process utilizes the nitrogen waste stream from an air separation plant and the partially combusted effluent stream from the...
7935245 System and method of increasing synthesis gas yield in a fluid catalytic cracking unit  
Systems and methods of reducing refinery carbon dioxide emissions by improving the overall synthesis gas yield in a fluid catalytic cracking unit having a reactor and a regenerator are discussed....
7932204 Method of regenerating catalyst in a fluidized catalytic cracking unit  
Systems and methods of improving synthesis gas quality in a fluid catalytic cracking unit are disclosed. In one example, a method comprises reacting a first stage regeneration gas comprising oxygen...
7906448 Moving bed catalyst regeneration apparatus with integral CO oxidation zone and method of use to accelerate coke burning  
A combination of moving bed regeneration technology and CO oxidation technology is used in a novel moving bed regeneration apparatus containing an integral CO oxidation zone to solve the problem of...
7824574 Cyclic catalytic upgrading of chemical species using metal oxide materials  
Processes are disclosure which comprise alternately contacting an oxygen-carrying catalyst with a reducing substance, or a lower partial pressure of an oxidizing gas, and then with the oxidizing...
7682424 Contaminant removal from a gas stream  
A system employing a regenerable zinc-oxide based sorbent to remove one or more contaminants from an incoming gas stream. The contaminant-depleted gas stream can then be used for any subsequent...
7629287 Reclamation of a titanosilicate, and reconstitution of an active oxidation catalyst  
A method of reclaiming a titanosilicate from a deactivated or spent oxidation catalyst containing a titanosilicate having deposited thereon one or more catalytic metals, such as gold, and...
7226883 Oxidizer and oxidation process for a desulphurization process  
An improved oxidizer for liquid reduction-oxidation desulphurization processes uses a hollow fiber membrane contactor. A pressurized, oxygen containing gas stream is introduced into the interior of...
7217401 Mercury removal from activated carbon and/or fly ash  
A method for reducing the amount of mercury affixed to a sorbent and/or fly ash is disclosed. The method includes the steps of providing an amount of sorbent and/or fly ash wherein at least a...
7199069 Method for destruction of organic compounds by co-oxidation with activated carbon  
A method for oxidizing carbon adsorbable organic compounds in a controlled manner within a bed of activated carbon. The bed of activated carbon is exposed to a source of molecular oxygen, such as...
7053260 Reducing temperature differences within the regenerator of an oxygenate to olefin process  
The present invention provides a process for making an olefin product from an oxygenate feedstock which comprises: a) contacting the feedstock in a reaction zone with a catalyst comprising i) a...
6916417 Catalytic cracking of a residuum feedstock to produce lower molecular weight gaseous products  
The present invention provides a catalytic cracking process. The process includes introducing at least one species of a natural or synthetic residuum containing feedstock and a catalyst into a...
6913687 Method of producing synthesis gas from a regeneration of spent cracking catalyst  
The present invention provides a method of producing a synthesis gas from a regeneration of a spent cracking catalyst. The method includes introducing a spent cracking catalyst into a first...
6030915 Process for preparing a large pore hydroprocessing catalyst  
The present invention relates to a process for preparing a hydroprocessing catalyst comprising the steps of subjecting a spent hydroprocessing catalyst comprising carbonaceous and sulphurous...
5908804 Reduction of emissions from FCC regenerators  
Coke is burned in the regenerator vessel of an FCC complex with a combustion medium consisting of a diluent gas, such as air, enriched with oxygen, The regenerator is operated in partial combustion...
5578093 Fluid bed desulfurization  
A method and apparatus for desulfurizing a gas and regenerating a sorbent is disclosed. The sulfur-containing feed gas which can be an effluent gas from a coal gasification reactor, for example, is...
5565089 Process for decoking catalysts  
Coke deposits are removed from particulates by combustion in a regenerator by a process in which air is initially used as the oxidant. The combustion gas is subjected to a separation process to...
5521134 Method for regenerating vanadium/phosphorus oxidation catalysts  
A method of regenerating V/P/O oxidation catalyst used for the partial oxidation of n-butane which comprises terminating the n-butane feed and contacting the catalyst with an oxygen containing gas,...
5087778 Regeneration of zeolites used for purifying 1,1,1,2-tetrafluoroethane  
1,1,1,2-Tetrafluoroethane (R134a) is purified to remove 50-10,000 wt. ppm of 2-chloro-1,1-difluoroethylene (R1122) by contacting with a zeolite or carbon molecular sieve having an average pore...
4959334 Fluidized-bed catalyst regeneration  
A process for the regeneration of a catalyst by combustion of the coke deposited thereon during a hydrocarbon conversion reaction in which process more than 50 percent of the coke is burned in at...
4798711 Processes for removing nitrogen oxides, sulfur oxides and hydrogen sulfide from gas streams  
Novel sorbents comprising (a) an alumina substrate having a pore volume between 0.4 and 0.8 cc/g, and (b) an alkali or alkaline earth component, for example, sodium carbonate, wherein the amount of...
4605636 Apparatus for cooling fluid solid particles in a regeneration system  
The present invention is concerned with the method of regenerating the fluidizable, catalytic, particulate solids in the regenerator section of an FCC process, and RCC process or a metals removal...
4542114 Process for the recovery and recycle of effluent gas from the regeneration of particulate matter with oxygen and carbon dioxide  
A unique process arrangement is disclosed wherein the effluent flue gas from the removal of hydrocarbonaceous coke from particulate matter by combustion in a mixture of pure oxygen diluted with...
4539303 Process for improving power recovery from regeneration gas under turndown conditions  
An improved process for recovering energy via an expander turbine axial flow gas compressor set which utilizes hot regeneration gas recovered from the regeneration of fluidized catalytic cracking...
4535065 Method for regeneration of moist powder adsorption agents  
In a method for regeneration of moist powder adsorption agent, the moist-charged adsorption agent is first fed into the lower area of a fluidized bed which is provided with an aeration and...
4501820 Method for the recovery of a tungsten-containing catalyst from coke containing nickel and vanadium  
A tungsten-containing catalyst associated with coke containing vanadium and nickel is recovered by a method which includes steam gasification, low temperature burning to remove at least a portion...
4471063 Method and apparatus arrangement for regenerating fluid particles of catalyst  
The present invention is directed to a method and sequence of processing steps within an apparatus arrangement comprising two separate fluidized relatively dense catalyst beds undergoing...
4450241 Endothermic removal of coke deposited on catalytic materials during carbo-metallic oil conversion  
A process is disclosed for the conversion of high boiling oil feeds having a significant level of Conradson carbon components and metals to form lighter oil products by contacting the feed under...
4316794 Direct conversion of residual oils  
A process for the direct catalytic conversion of petroleum residual oils is disclosed wherein said oils, hydrogen and hot solid catalyst particles are contacted to form a suspension in a riser...
4276150 Fluid catalytic cracking of heavy petroleum fractions  
A process for fluid catalytic cracking of residuum and other heavy oils comprising gas oil, petroleum residue, reduced and whole crudes and shale oil to produce gasoline and other liquid products...
4248706 Two stage fluid bed regeneration of spent carbon  
Method and apparatus are disclosed for regenerating wet spent carbon containing volatile impurities wherein the wet spent carbon is dried in a drying zone utilizing incinerated reactivation zone...
4242104 Cyclic process for producing methane with catalyst regeneration  
Carbon monoxide-containing gas streams are passed over a catalyst capable of catalyzing the disproportionation of carbon monoxide so as to deposit a surface layer of active surface carbon on the...
4224286 Regeneration equipment for spent activated carbon  
A regeneration equipment for spent activated carbon comprises a regeneration reactor provided vertically through a vertical heating furnace and an integrated body of a longitudinal series of...
4208384 Energy recovery, sour gas stripping and caustic neutralization using combustion gases containing solids  
Combustion gases containing solids, e.g., gases resulting from regeneration of catalyst contact mass such as used in catalytic cracking of hydrocarbons or resulting from production of other...
4207167 Combination hydrocarbon cracking, hydrogen production and hydrocracking  
A used hydrocarbon cracking catalyst having coke laydown thereon is regenerated under conditions to produce a gas rich in carbon monoxide which, together with steam, is subjected to a shift...
4155877 Catalyst combustion regeneration process in downwardly moving bed with additional outlet responsive to gas flows  
Catalyst regeneration process and apparatus wherein air introduced to a midsection of a downwardly-moving mass of catalyst particles is taken off at the top and at the bottom of said bed through...
4131565 Process for reactivating spent activated-carbon  
Spent activated-carbon is fluidized and directly heated at a temperature of 100° to 700° C in the first zone with an off gas from the second zone to remove volatiles from the spent carbon. The c...
4115251 Process for removing pollutants from catalyst regenerator flue gas  
Carbon monoxide and sulfur oxides are removed from flue gas produced in a catalyst regenerator in an FCC system and sulfur from the flue gas is shifted to form hydrogen sulfide, which is recovered...
4081508 Process for reducing flue gas contaminants from fluid cracking catalyst regenerator  
Noxious emissions produced in the process of regenerating catalysts employed in the catalytic cracking of hydrocarbons are reduced by burning the coke on the spent catalyst in a regenerator...
4008174 Process for regenerating a solid copper-chromium reactant used in the removal of hydrogen sulfide from hydrogen recycle gas  
A process is disclosed for regenerating a solid reactant comprising a copper component and a chromium component disposed on a porous carbon support when the reactant has been expended by reaction...
3985639 Catalytic cracking process  
This invention relates to a process for catalytically cracking hydrocarbon feedstocks containing a contaminant deleterious to the process and catalyst and to a method for removing the contaminant...
3857794 OXYGEN CONTROL BY INJECTION OF A REDUCING GAS IN A CATALYST REGENERATOR  
In a process for reducing the amount of oxygen in the effluent gases from a catalytic cracker regenerator, and thus controlling after-burning, a reducing gas such as carbon monoxide or hydrogen is...
3755202 METHOD FOR REACTIVATION OF OXIDE CATALYSTS  
A method for reactivation of oxide catalysts which have been deactivated by carbonaceous materials deposited thereon in the course of hydrocracking crude oils, coal tars or shale tars and for...
3532620 POWER RECOVERY FROM CATALYST REGENERATION GASES  
3523971 SYNTHESIS OF ACRYLAMIDES  
3649559 OXIDATIVE REGENERATING CRYSTALLINE ALUMINO-SILICATES WITH RECYCLE GAS TREATMENT  
3801495 INTEGRATED PROCESS COMBINING CATALYTIC CRACKING WITH HYDROTREATING  
3702308 PROCESS FOR THE UTILIZATION OF THE ENERGY CONTENT OF THE FLUE GAS ACCRUED IN CATALYTIC CRACKING PLANTS  
3556750 PROCESS FOR THE MANUFACTURE UNDER PRESSURE OF GASES WHICH MAY BE SUBSTITUTED FOR NATURAL GASES  
Matches 1 - 50 out of 72 1 2 >