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9006124 Process for synthesis of doped titania nanoparticles having photocatalytic activity in sunlight  
Present disclosure provides a process for the synthesis of doped titania nanoparticle having photocatalytic activity greater than 90% at 2 hours under sunlight irradiation. The process involves...
8927449 Multiple burn zones with independent circulation loops  
A process for a continuous regeneration of a catalyst wherein the regeneration section includes at least two separate zones. The regeneration includes a combustion zone, and an oxygen boost zone,...
8912108 Methods of regenerating aromatization catalysts  
Methods for treating or rejuvenating a spent catalyst are described. These methods can employ a step of halogenating the spent catalyst, followed by decoking the halogenated spent catalyst. The...
8895464 Robustness of coke burning from catalyst for light paraffin dehydrogenation process  
A process for a continuous regeneration of a catalyst wherein the regeneration section includes at least two separate zones. The regeneration includes an upper combustion zone, and an lower...
8865608 Turndown thermocompressor design for continuous catalyst recovery  
Systems and processes for regenerating catalyst are provided herein that include a catalyst regeneration tower having a cooling zone that receives a catalyst cooling stream generated by a cooling...
8716161 Methods of regenerating aromatization catalysts  
Methods for treating or rejuvenating a spent catalyst are disclosed. Such methods can employ a step of halogenating the spent catalyst, followed by decoking the halogenated spent catalyst.
8680000 Process and vessel for regenerating a reforming catalyst  
The invention concerns a process for regenerating a catalyst for the production of aromatic hydrocarbons or for reforming, comprising a step for combustion in a zone A comprising at least 2 beds...
8673801 Process for regenerating a reforming catalyst  
The invention concerns a process for regenerating a catalyst for the production of aromatic hydrocarbons or for reforming. Said process comprises a step for combustion in a zone A comprising at...
8544527 Method to reduce condensation in a cooling zone of a continuous catalyst regeneration system  
A process for providing a blended cooling air stream to a cooling zone cooler in a continuous catalyst regeneration system. The process includes removing a first effluent stream from a...
8193111 Process or system for desorbing an adsorbent bed  
One exemplary embodiment can be a process for desorbing an adsorbent bed. The process can include passing a desorbent stream through the adsorbent bed to remove at least one of a nitrile compound...
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...
8071497 Process and facility for removing one or more compounds  
One exemplary embodiment is a refinery or a petrochemical production facility. The refinery or petrochemical production facility can include: a) a catalyst regeneration zone;b) a halogen removal...
8012899 Recycling of ionic liquid catalyst  
Provided is a process for safely transporting or recycling an ionic liquid catalyst based on chloroaluminates. The process comprises mixing a secondary alcohol with an ionic liquid based on a...
7981832 Methods of activating chromium catalysts  
New methods for activating chromium catalysts for polymerization processes decrease the amount of time required for activation and increase catalyst activity. Rapid heating to a first temperature...
7863209 Methods for recycling catalyst compositions for aromatic ring halogenation  
A method for recovering and reusing a ring-halogenation catalyst comprises: (A) contacting an aromatic compound with chlorine or bromine in the presence of a catalyst composition, where the...
7847142 HF alkylation process with acid regeneration  
The regeneration of HF alkylation acid in an alkylation unit is improved by withdrawing a vapor stream from the HF regenerator tower and condensing the stream to form a liquid fraction which is...
7803979 Method for removing water from an alkylation process system  
A method is disclosed for removing water from an alkylation process system using a water removal column to remove water from a re-run column (catalyst regeneration column) overhead stream.
7745675 Regeneration of platinum-germanium zeolite catalyst  
This invention relates to a process for regeneration of a zeolite catalyst, specifically an aluminosilicate zeolite with germanium substituted in the framework for silicon and with platinum...
7615510 Methods of activating chromium catalysts  
New methods for activating chromium catalysts for polymerization processes decrease the amount of time required for activation and increase catalyst activity. Rapid heating to a first temperature...
7585803 Catalyst regeneration method  
A method of operating a continuous system for a catalyst regeneration process wherein the regeneration section includes a combustion zone, at least one oxygen boost zone, a halogenation zone and a...
7538253 Method for preparing catalyst for partial oxidation of methylbenzenes  
The present invention relates to a novel method for preparing a catalyst of the formula (1), WOx wherein, W represents tungsten atom, O represents oxygen atom x represents a value determined by...
7405174 Process for regeneration of a catalyst that contains an EUO-structural-type zeolite  
A process for regeneration of a catalyst that comprises at least one EUO-structural-type zeolite in acid form and at least one hydro-dehydrogenating metal, used in a process for isomerization of a...
7223710 Cyclic catalyst regeneration process using a circulating stream for desorption  
A process in which halogen is recovered from a cyclic operation for regenerating hydrocarbon conversion catalysts is disclosed. The process uses an arrangement of beds of adsorbent and a...
7045477 Process for continuously regenerating catalyst particles  
A process for continuously regenerating catalyst particles comprising: passing deactivated catalyst particles downwards in sequence through the first coke-burning zone, second coke-burning zone,...
6992038 Zinc chloride-loaded support and method for producing the same  
The present invention is to solve the problems caused by a conventional method for producing a zinc chloride-loaded support wherein zinc chloride is adsorbed on a solid support in an aqueous...
6921731 Process for regenerating Pd catalysts  
Process for regenerating a Pd catalyst after a homogeneously catalyzed C—C coupling reaction in which the Pd catalyst precipitates, is separated from the reaction mixture and subsequently treated...
6881391 Method for removing halogen from a vent stream  
A method for decreasing the environmental release of a halogen from a process for regenerating catalyst particles in a catalyst bed of a regeneration zone is disclosed.
6872679 Heterogeneous catalyst regeneration  
Used titanium-containing silicon oxide catalysts are regenerated by heating the used catalyst at a temperature of at least 400° C. in the presence of a oxygen-containing gas stream, followed by...
6790802 Cyclic catalyst regeneration process using adsorption and desorption on vent stream  
A method of recovering halogen-containing materials from the cyclic catalyst regeneration operation of a catalytic hydrocarbon conversion process is disclosed. The method uses an arrangement of...
6784132 Cyclic catalyst regeneration process using adsorption and desorption  
A method of recovering halogen-containing materials from the cyclic catalyst regeneration operation of a catalytic hydrocarbon conversion process is disclosed. The method uses an arrangement of...
6780815 Process for preparing fluorination catalyst  
A process for preparing a fluorination catalyst using a low pressure activating step followed by a high pressure activating step.
6734130 Hydrocarbon hydrogenation catalyst composition, a process of treating such catalyst composition, and a process of using such catalyst composition  
A process of treating a catalyst composition containing palladium, an inorganic support, and a catalyst component, such as silver and/or a modifier such as alkali metal fluoride, is provided. The...
6593264 Catalytic reforming catalyst activation  
A reforming catalyst containing a Group VIII metal, or a Group VII B metal, or tin, or germanium, or copper, or selenium or combinations of any two or more metals or oxides thereof is activated...
6551660 Method for removing reactive metal from a reactor system  
A method for reducing catalyst contamination in a hydrocarbon conversion reactor system, comprising the steps of contacting at least a portion of a metal-coated hydrocarbon conversion reactor...
6472340 Catalytic reforming catalyst activation  
Catalyst activation of a platinum reforming catalyst system contained in a multiple reactor system by simultaneously reducing the catalyst with hydrogen while introducing a nonmetallic...
6461992 Method for reducing chloride emissions from a moving bed catalyst regeneration process  
A method is disclosed for decreasing the emissions of chlorine-containing species from a moving bed process for regenerating spent catalyst particles with a recycle gas stream. A recycle gas...
6419986 Method for removing reactive metal from a reactor system  
A method of removing reactive metal from a metal-coated reactor system, comprising contacting at least a portion of a metal-coated reactor system containing reactive metal with a getter to produce...
6413434 Method for eliminating halogenated compounds contained in a gas or liquid  
The present invention concerns a process for eliminating, reducing and/or suppressing halogenated compounds, in particular chlorinated compounds, contained in a gas or a liquid, in which the gas...
6403515 Process for treating a catalyst or an adsorbent in a fluidized bed  
The invention concerns a process for fluidising a catalyst or an adsorbent in a furnace which is fixed but the fluidised bed advances, optionally with rotation, in the presence of another inert...
6294492 Catalytic reforming catalyst activation  
Catalyst activation of a platinum reforming catalyst system contained in a multiple reactor system by simultaneously reducing the catalyst with hydrogen while introducing a nonmetallic...
6291381 Catalytic reforming catalyst activation  
Catalyst activation of a platinum reforming catalyst system contained in a multiple reactor system by simultaneously reducing the catalyst with a sustained hydrogen flow through the multiple...
6290916 Apparatus for controlling moisture in a catalyst regeneration process  
A method and apparatus are disclosed for removing water from a recycle gas stream in a catalyst regeneration process. A recycle gas stream contacts catalyst and the catalyst sorbs water from the...
6153091 Method for reducing chloride emissions from a moving bed catalyst regeneration process  
A method is disclosed for decreasing the emissions of chlorine-containing species from a moving bed process for regenerating spent catalyst particles with a recycle gas stream. A recycle gas...
6147022 Process for degraded-mode regeneration of a catalyst  
Process for regeneration of a catalytic moving bed in which the catalyst successively passes through at least one combustion zone A, at least one halogenation zone B, and at least one calcination...
6123833 Method for controlling moisture in a catalyst regeneration process  
A method and apparatus are disclosed for removing water from a recycle gas stream in a catalyst regeneration process. A recycle gas stream contacts catalyst and the catalyst sorbs water from the...
6121180 Precombustion of halogen-containing compounds in catalyst regeneration processes  
A method for regenerating a hydrocarbon conversion catalyst wherein at least a portion of a halogen-containing compound is precombusted in a precombustion zone, and the catalyst is regenerated in...
6117809 Method for decreasing chloride emissions from a catalyst reduction process  
A method is disclosed for recovering chlorine-containing species from an outlet stream of a zone in which the catalytic metal of a chloride-containing catalyst is reduced. The outlet stream is...
6110857 Method of minimizing iron contamination during catalyst regeneration processes  
The present invention is directed toward improved processes for the regeneration of noble metal-containing catalysts wherein iron contamination of the catalyst during regeneration is significantly...
6034016 Method for regenerating halogenated Lewis acid catalysts  
A method for removing high molecular weight solid and liquid tars and oligomers from halogenated Lewis acids catalysts is disclosed. The Lewis acids incorporating such tars and oligomers are...
6034019 Method of minimizing iron contamination during catalyst regeneration processes  
The present invention is directed toward improved processes for the regeneration of noble metal-containing catalysts wherein iron contamination of the catalyst during regeneration is significantly...

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