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Matches 151 - 200 out of 5,643

Document Document Title
WO/2012/109366A1
Methods and apparatus for preventing coke formation in a plenum are provided. The apparatus can include a turbulator for use in a plenum. The turbulator can include a deflector disposed inside the plenum proximate an inlet to the plenum ...  
WO/2012/106627A3
Embodiments of the present disclosure include a process for regenerating a titanium silicalite catalyst by contacting the fouled titanium silicalite catalyst with a regeneration solution that includes at least one oxidizing agent.  
WO/2012/106627A2
Embodiments of the present disclosure include a process for regenerating a titanium silicalite catalyst by contacting the fouled titanium silicalite catalyst with a regeneration solution that includes at least one oxidizing agent.  
WO/2012/106195A2
The present disclosure relates to methods for treating deactivated SCR catalysts having an increased SO2/SO3 conversion rate as a result of the accumulation of one or more iron compounds. The methods are characterized in that the catalys...  
WO/2012/099009A1
Provided is a method for suppressing distribution of PGM to Cu2O slag in oxidation smelting in a method for recovering PGM. Specifically provided is a method for recovering PGM, which comprises: a reduction smelting step wherein a member...  
WO/2012/097843A1
The invention relates to bed particles for the dehydrogenation of alkanes in a dehydrogenation reactor, the bed particles consisting of a mixture of two different particle types A and B, wherein one particle type comprises a unit of iden...  
WO/2012/098421A1
The present invention relates to a fluorination process, comprising: - an activation stage comprising contacting a fluorination catalyst with an oxidizing agent-containing gas flow for at least one hour; and - at least one reaction stage...  
WO/2012/096366A1
The catalyst recovery system is provided with: a concentrated slurry-generating unit that concentrates slurry that is extracted from the main reactor and continuously generates concentrated slurry; a first discharging unit that discharge...  
WO/2012/091125A1
Provided are a method for collecting precious metals from a solution containing precious metal ions, an extractant or adsorbent used therefor, and a back extractant or a desorbent. Precious metals are obtained by subjecting a solution co...  
WO/2012/092048A1
A process for removing degradation acids from a catalyst solution comprising a phosphorus-containing hydroformylation ligand used in a hydroformylation reaction is described. The process involves using a supported epoxy compound. Also de...  
WO/2012/087732A2
A process and apparatus is presented for the removal of solid particles from a gas stream. The process and apparatus includes adding a second stream of liquid that is sprayed over the openings in trays in a quench tower. The second spray...  
WO/2012/087732A3
A process and apparatus is presented for the removal of solid particles from a gas stream. The process and apparatus includes adding a second stream of liquid that is sprayed over the openings in trays in a quench tower. The second spray...  
WO/2012/085227A1
A process for regenerating one or more deactivated cobalt comprising Fischer-Tropsch catalyst particle (s), comprising the steps of: (i) oxidising the catalyst particle (s) at a temperature between 20 and 400 °C; (ii) treating the catal...  
WO/2012/078615A1
The present invention relates to a process for improving the overall selectivity of an EO process for converting ethylene to ethylene oxide utilizing a highly selective EO silver catalyst containing a rhenium promoter wherein following n...  
WO/2012/077812A1
Provided is a photocatalyst device that can be implemented using a simple configuration, in which a photocatalyst filter can be cleaned and the performance of the filter restored during maintenance without removal of the filter from the ...  
WO/2012/072618A1
Method for activation of chromium containing catalyst precursor for polymerization and improved polymerization catalyst resulting The instant invention relates to an activation of a polymerization catalyst precursor by heat treatment com...  
WO/2012/072605A1
The instant invention relates to an activation of a polymerization catalyst precursor by heat treatment comprising a support material and a catalyst precursor deposited thereon in a fluidized bed activator and to the use of the activated...  
WO/2012/070423A1
The present invention provides a process for preparing an adamantane polyol by reacting an adamantane with a ruthenium compound and a hypochlorite in a biphasic water/organic solvent system, said process including: a step of adding an in...  
WO/2012/059523A1
The instant invention concerns a method for preparing a bulk catalyst precursor comprising the following steps: a) reacting precursors of the desired catalyst precursor in a mixture comprising, or consisting of, precursors and at least o...  
WO/2012/053299A1
A method of producing a regenerated hydrotreating catalyst comprises: a first step of preparing a hydrotreating catalyst that has been used in the hydrotreatment of distilled petroleum residue and comprises a metal element selected from ...  
WO/2012/049416A9
The present invention relates to a multistage cracking and stripping process that can be used in a fluidized-bed catalytic cracking process or FCC (fluidized catalytic cracking) process for maximizing the production of olefins, that is t...  
WO/2012/049416A3
The present invention relates to a multistage cracking and stripping process that can be used in a fluidized-bed catalytic cracking process or FCC (fluidized catalytic cracking) process for maximizing the production of olefins, that is t...  
WO/2012/049416A2
The present invention relates to a multistage cracking and stripping process that can be used in a fluidized-bed catalytic cracking process or FCC (fluidized catalytic cracking) process for maximizing the production of olefins, that is t...  
WO/2012/047401A3
In a process for the regeneration of a coked metal-containing catalyst, the coked catalyst is contacted in a regeneration zone with an atmosphere which contains carbon dioxide and carbon monoxide at a temperature of at least 400 °C.  
WO/2012/047401A2
In a process for the regeneration of a coked metal-containing catalyst, the coked catalyst is contacted in a regeneration zone with an atmosphere which contains carbon dioxide and carbon monoxide at a temperature of at least 400 °C.  
WO/2012/044726A2
Disclosed is a catalyst distributor and process for mixing spent catalyst and recycled regenerated catalyst in a regenerator vessel. Mixing is conducted in a confined space to which catalyst is delivered from catalyst conduits protruding...  
WO/2012/044726A3
Disclosed is a catalyst distributor and process for mixing spent catalyst and recycled regenerated catalyst in a regenerator vessel. Mixing is conducted in a confined space to which catalyst is delivered from catalyst conduits protruding...  
WO/2012/032475A1
A process for the activation of a copper, zinc and zirconium oxide-comprising adsorption composition for the adsorptive removal of carbon monoxide from substance streams comprising carbon monoxide and at least one olefin wherein: (i) in ...  
WO/2012/033048A1
A method for removing a used solid catalyst from a fixed bed multitubular reactor that comprises a reaction tube filled with the solid catalyst. The method for removing a solid catalyst comprises a removal step wherein the solid catalyst...  
WO/2012/030601A3
An apparatus and process are presented for drying a catalyst in a reactor-regenerator system. The process includes a continuous operating system with catalyst circulating between a reactor and regenerator, and the catalyst is dried befor...  
WO/2012/030601A2
An apparatus and process are presented for drying a catalyst in a reactor-regenerator system. The process includes a continuous operating system with catalyst circulating between a reactor and regenerator, and the catalyst is dried befor...  
WO/2012/027034A2
This disclosure relates to a process for regenerating a catalyst composition to improve the aging rate in subsequent cycles.  
WO/2012/027034A3
This disclosure relates to a process for regenerating a catalyst composition to improve the aging rate in subsequent cycles.  
WO/2012/022942A1
A process for the regeneration of deactivated catalyst from a Fischer- Tropsch synthesis reactor, the catalyst being a supported cobalt catalyst. The process comprises the following steps: a withdrawal step, in which a portion of deactiv...  
WO/2012/024124A2
A process for treating spent catalyst containing heavy metals, e.g., Group VIB metals and Group VIII metals is provided. In one embodiment after deoiling, the spent catalyst is treated with an ammonia leach solution under conditions suff...  
WO/2012/024124A3
A process for treating spent catalyst containing heavy metals, e.g., Group VIB metals and Group VIII metals is provided. In one embodiment after deoiling, the spent catalyst is treated with an ammonia leach solution under conditions suff...  
WO/2012/021388A2
A regenerated spent hydroprocessing catalyst treated with a chelating agent and having incorporated therein a polar additive.  
WO/2012/021388A3
A regenerated spent hydroprocessing catalyst treated with a chelating agent and having incorporated therein a polar additive.  
WO/2012/013677A1
The present invention relates to a process for restoring the activity of spent catalysts for the hydrogenation of aromatic nitro compounds, in which a regeneration comprising at least one first burnoff stage, a first wash stage, a second...  
WO/2012/010820A3
A method of preparing a Fischer-Tropsch catalyst for handling, storage, transport and deployment, including the steps of: impregnating a porous support material with a source of cobalt; calcining the impregnated support material; activat...  
WO/2012/004808A1
This invention relates to an apparatus and a process for conversion of syngas into one or more hydrocarbons in presence of Fisher-Tropsch catalyst comprising in-situ catalyst activation in a separate fluid bed reactor. Activation is carr...  
WO/2011/162030A1
Provided are: an exhaust gas catalytic purging unit capable of long-term efficient purging of microparticle components such as hydrocarbons, carbon monoxide, nitrogen oxides and soot contained in exhaust gas from a lean-burn engine; a me...  
WO/2011/158790A1
Provided is a method for producing 1,1,1,4,4,4-hexafluoro-2-butene that is efficient and appropriate for a flow-through reaction. Cis-1,1,1,4,4,4-hexafluoro-2-butene is obtained by isomerization of hexafluoro-1,3-butadiene using a cataly...  
WO/2011/156178A3
One exemplary embodiment can include a slurry hydrocracking process. The process can include combining one or more hydrocarbons and a slurry hydrocracking catalyst as a feed to a slurry hydrocracking reaction zone, fractionating an efflu...  
WO/2011/156178A2
One exemplary embodiment can include a slurry hydrocracking process. The process can include combining one or more hydrocarbons and a slurry hydrocracking catalyst as a feed to a slurry hydrocracking reaction zone, fractionating an efflu...  
WO/2011/152080A1
A regenerated exhaust gas treatment catalyst (17) can be produced by carrying out: a used catalyst coarse grinding step (S1) for coarsely grinding a used exhaust gas treatment catalyst (11); a separation step (S2) for separating a coarse...  
WO/2011/150130A2
Collection enhanced materials, down stream additives, and methods of making the enhanced materials and down stream additives are provided. In one embodiment, a down stream additive is provided that includes an active phase component and ...  
WO/2011/150129A2
Collection enhanced materials, down stream additives, and methods of making the enhanced materials and down stream additives are provided. In one embodiment, a down stream additive is provided that includes an active phase component and ...  
WO/2011/145760A1
In the circulation of electrolyte in a vertical-cylinder-type electrolyzer having a three-dimensional filling cathode made of active carbon granules and a fixed granular catalyst layer, the leaching and precipitation of a precious metal ...  
WO/2011/136765A1
Deactivation of a zeolite catalyst during its use to catalyse the oligomerisation of olefins, is often believed to be a result of the formation of high boiling polymers as by- products. These by-products can remain on the catalyst and un...  

Matches 151 - 200 out of 5,643