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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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 ...
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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.
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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...
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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...
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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 ...
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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...
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WO/2012/027034A2 |
This disclosure relates to a process for regenerating a catalyst composition to improve the aging rate in subsequent cycles.
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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...
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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...
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WO/2012/021388A2 |
A regenerated spent hydroprocessing catalyst treated with a chelating agent and having incorporated therein a polar additive.
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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...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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 ...
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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 ...
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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...
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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 ...
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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 ...
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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 ...
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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...
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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 ...
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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...
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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...
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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...
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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...
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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...
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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 ...
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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...
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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...
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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...
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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...
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