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Matches 151 - 200 out of 5,550

Document Document Title
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...  
WO/2011/136953A2
One exemplary embodiment can be a process for regenerating catalyst in a fluid catalytic cracking unit. Generally, the process includes providing a feed to a riser of a reaction vessel, and providing a stream to a distributor positioned ...  
WO/2011/136217A1
Provided is an apparatus for efficiently removing substances (catalyst surface substances) exuding from and/or attached to a catalyst surface. An apparatus which is provided with a main body and which removes catalyst surface substances ...  
WO/2011/136953A3
One exemplary embodiment can be a process for regenerating catalyst in a fluid catalytic cracking unit. Generally, the process includes providing a feed to a riser of a reaction vessel, and providing a stream to a distributor positioned ...  
WO/2011/135871A1
Disclosed is a wastewater treatment method such that, after iron trichloride is added to wastewater containing arsenic and vanadium so as to make the molar ratio of the iron to arsenic in this wastewater 20 and iron trichloride is added ...  
WO/2011/128519A3
A process for the hydroconversion of heavy petroleum feedstocks comprising a step of hydroconversion of the feedstock in at least one reactor containing a catalyst in a slurry and enabling the recovery of metals in the unconverted residu...  
WO/2011/128518A1
The invention relates to a method for the hydroconversion of heavy petroleum feedstocks, comprising a step of hydroconversion of the feedstock in at least one reactor which contains a catalyst in slurry and enables the recovery of metals...  
WO/2011/128517A2
The invention relates to a method for the hydroconversion of heavy oil feedstocks, including a step comprising the slurry hydroconversion of the feedstock in at least one reactor containing a catalyst, allowing the recovery of metals in ...  
WO/2011/128517A3
The invention relates to a method for the hydroconversion of heavy oil feedstocks, including a step comprising the slurry hydroconversion of the feedstock in at least one reactor containing a catalyst, allowing the recovery of metals in ...  
WO/2011/128519A2
A process for the hydroconversion of heavy petroleum feedstocks comprising a step of hydroconversion of the feedstock in at least one reactor containing a catalyst in a slurry and enabling the recovery of metals in the unconverted residu...  
WO/2011/126701A2
A reactor design and process for the dehydrogenation of hydrocarbons is presented. The reactor design includes a multibed catalytic reactor, where each of the reactor beds are fluidized. The catalyst in the reactor cascades through the r...  
WO/2011/127284A1
Systems and methods for regenerating a spent catalyst are provided. The method can include heating a hydrocarbon and a coke precursor in the presence of catalyst particles to provide a cracked hydrocarbon product and coked catalyst parti...  
WO/2011/123494A2
One exemplary embodiment can be a hydroprocessing method. The hydroprocessing method can include providing a feed and a stream including hydrogen to a vessel. The vessel may have a catalyst collector and an internal riser. Generally, a c...  
WO/2011/123494A3
One exemplary embodiment can be a hydroprocessing method. The hydroprocessing method can include providing a feed and a stream including hydrogen to a vessel. The vessel may have a catalyst collector and an internal riser. Generally, a c...  
WO/2011/121976A1
Disclosed is a process for producing a recycled catalyst from a catalyst that is recovered in a process for producing a heteropoly acid catalyst containing molybdenum, phosphorus, vanadium or copper as an essential component, or from a u...  
WO/2011/117478A1
The present invention describes a combustion zone of a regenerative catalytic unit for the continuous regeneration of the catalyst, said combustion zone being of annular shape and split into at least two combustion stages, each stage bei...  
WO/2011/118279A1
Disclosed is a method of manufacture for an aromatic hydrocarbon with long-term stability which preserves high aromatic hydrocarbon yield when manufacturing an aromatic hydrocarbon by catalytic reaction between a lower hydrocarbon and a ...  
WO/2011/119215A1
A pretreated titanium silicalite with MFI structure (TS-1) catalyst which has been pretreated with methanol, and then optionally filtered and optionally air-dried to form a pretreated activated TS-1 catalyst. The activated TS-1 may be us...  
WO/2011/115234A1
A method for regenerating a titanosilicate catalyst, comprising a step of mixing a titanosilicate having reduced catalytic ability with a cyclic secondary amine, and a method for producing an oxirane compound, which comprises a step of r...  
WO/2011/112339A2
This invention achieves a catalyst life improvement for the catalyzed vapor phase reaction of 1,1,1,3,3-pentachloropropane with hydrogen fluoride to form 1-chloro-3,3,3-trifluoropropene by introducing an oxygen co-feed into the fluorinat...  
WO/2011/112339A3
This invention achieves a catalyst life improvement for the catalyzed vapor phase reaction of 1,1,1,3,3-pentachloropropane with hydrogen fluoride to form 1-chloro-3,3,3-trifluoropropene by introducing an oxygen co-feed into the fluorinat...  
WO/2011/108348A1
Disclosed is a method for manufacturing a regenerated Fischer-Tropsch synthesis catalyst by regenerating a used catalyst which was previously used in a Fischer-Tropsch synthesis reaction. Said used catalyst, in which cobalt and/or ruthen...  
WO/2011/104494A1
A process for the preparation of an alkene from an oxygenate comprising contacting a reactant feedstream comprising at least one oxygenate reactant and water with a supported heteropolyacid catalyst at a temperature of at least 170 °C, ...  
WO/2011/102479A1
In a process for producing an aromatic carboxylic acid, when a chelate resin having a pyridine ring, which is used in the step for absorbing and collecting a bromide ion and a heavy metal ion derived from a catalyst by means of an oxidat...  
WO/2011/102480A1
In a process for producing a terephthalic acid, when a chelate resin having a pyridine ring, which is used in the step for absorbing and collecting a bromide ion and a heavy metal ion derived from a catalyst by means of an oxidation reac...  

Matches 151 - 200 out of 5,550