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WO/2009/058522A2 |
This disclosure relates to a method for rejuvenating a catalyst, comprising contacting the catalyst with a gaseous feedstock at rejuvenation conditions for at least one hour to form a rejuvenated catalyst and a gaseous product, wherein t...
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WO/2009/050067A1 |
An improved alkylation process utilizing a solid-acid catalyst comprising a rare earth containing zeolite and a hydrogenation metal is disclosed.
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WO/2009/040311A2 |
The present invention relates to a process for the removal of metal catalyst degradation products from a bleed stream of a catalytic chemical reaction process, wherein the catalyst is based on a metal selected from those in group VIII of...
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WO/2009/036775A1 |
The invention relates to a process for preparing organorhenium(VII) oxides, especially methyltrioxorhenium, starting from perrhenates, by reacting them with an activating agent and with a functionalized organylating reagent.
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WO/2009/026792A1 |
A regenerating method for activated alumina used in regenerating working fluid of hydrogen peroxide comprises the following steps: adding deactivated alumina discharged from a regenerating bed for working fluid of hydrogen peroxide into ...
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WO/2009/026793A1 |
A regenerating method for activated alumina used in regenerating working fluid of hydrogen peroxide comprises the following steps: adding deactivated alumina discharged from a regenerating bed for working fluid of hydrogen peroxide with ...
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WO/2009/018924A1 |
The invention relates to a method for dehydrating alkanes, wherein the alkane is guided in a reactor for the dehydration of alkanes via a catalyst, and the process may be carried out adiabatically or non-adiabatically, and the catalyst f...
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WO/2009/017136A1 |
A method of recovering catalyst metals from a catalyst containing a chalcogen element. The method includes: a chalcogen element ingredient removal step in which the electrode catalyst is heated in a hydrogen-containing inert gas to remov...
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WO/2009/014229A1 |
Disclosed is a method for activating a catalyst for chlorine production wherein a catalyst decreased in activity is subjected to a contact treatment with a reducing gas which contains carbon monoxide and/or hydrogen. The catalyst can be ...
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WO/2009/013964A1 |
The invention provides a process for reactivating a metathesis catalyst which is composed of a catalyst (1) consisting of a compound containing at least one metal element selected from among tungsten, molybdenum, and rhenium and a cataly...
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WO/2009/004949A1 |
Disclosed is a method for producing a sulfonic acid group-containing carbonaceous material, which comprises a step wherein a sulfonic acid group-containing carbonaceous material, whose activity is decreased by use as a solid acid catalys...
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WO/2009/003697A2 |
The present invention relates to a process for reactivating a catalyst which comprises a zeolite doped with an iron species, which comprises the step of treating the catalyst with hydrogen chloride-containing gas. The invention further r...
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WO/2009/001891A1 |
[PROBLEMS] To provide a method of regenerating a catalyst in which not only is the SO2 oxidation ratio of denitration catalyst raised by compounds of Fe, V, etc. lowered to an extremely low level but also the oxidation activity of metall...
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WO/2008/155464A1 |
The present invention relates to a new method for recovering metals from a spent catalyst composition containing an organic contaminant and catalytically active metals on a catalyst support. The metals are leached from the spent catalyst...
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WO/2008/157025A1 |
An improved method of preparing an ion exchange resin catalyst by partial neutralization of the ion exchange resin catalyst with a promoter. The promoter and a fluid are introduced into a vessel or a reactor which is partially filled wit...
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WO/2008/150607A1 |
The present invention relates to a method for converting a feed including an oxygenate to a product including a light olefin. In particular, this invention relates to converting an oxygenate feedstock with a silicoaluminophosphate cataly...
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WO/2008/149591A1 |
Regeneration of a lower hydrocarbon aromatizing catalyst for enhancing of the stability of catalytic performance is carried out.The method of regenerating an aromatizing catalyst comprises the steps of reacting a lower hydrocarbon aromat...
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WO/2008/141875A1 |
Nitrogen oxide storage catalysts are used to remove nitrogen oxides from the lean exhaust gas of so-called lean engines. By being exposed to high temperatures during vehicle operation, said catalysts are subjected to thermal aging proces...
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WO/2008/140042A1 |
A regeneration device has a heater (2) for heating a catalyst (1) with fuel supply to an engine stopped, a pump (4) for supplying oxidizing gas or reducing gas to the heated catalyst (1), and a switching valve (3). In an oxidizing step, ...
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WO/2008/139407A2 |
A process for regenerating a spent cobalt Fischer-Tropsch synthesis catalyst includes subjecting a spent particulate cobalt Fischer-Tropsch synthesis catalyst sequentially to a dewaxing treatment, an oxidation treatment at a pressure of ...
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WO/2008/133222A1 |
Disclosed is a method for producing a hydroxyalkyl (meth)acrylate, which is characterized in that a reaction solution having a residual (meth)acrylic acid ratio of 0.5-3% by weight is prepared by reacting a (meth)acrylic acid and an alky...
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WO/2008/122636A2 |
process for preparing a Fischer-Tropsch catalyst comprising the steps of a) providing a particle comprising a support and having a catalytically active metal homogenously distributed therein, whereby at least 50 wt% of the catalytically ...
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WO/2008/124224A1 |
In a process for converting methane to aromatic hydrocarbons, a feed containing methane and a particulate catalytic material are supplied to a reaction zone operating under reaction conditions effective to convert at least a portion of t...
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WO/2008/118619A1 |
This invention relates to a Polyoxometalate (POM) represented by the formula: (An)m+ [HqM16X8W48O184 (OH)32 ]m"or solvates thereof, wherein: A represents a cation, n is the number of the cations A, m is the charge of the polyoxoanion, q ...
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WO/2008/107506A1 |
The invention relates to novel caramels with a high prebiotic oligosaccharide content. The invention comprises the transformation of food-grade sugars containing D-fructose into caramels rich in oligosaccharides with prebiotic activity, ...
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WO/2008/102895A1 |
In an internal combustion engine, a main SOx trap catalyst (11) capable of trapping SOx contained in an exhaust gas is arranged in an engine exhaust passage, and the exhaust passage downstream of the main SOx trap catalyst (11) is branch...
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WO/2008/100325A2 |
The present teachings are directed to methods of preparing cylindrical carbon structures, specifically single-walled carbon nanotubes, with a desired chirality. The methods include the steps of providing a catalyst component on a substra...
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WO/2008/095359A1 |
A recycling method for a fluidized bed microsphere catalyst, wherein mixing the catalysts to be recycled with the raw materials for preparation of fresh microsphere catalysts in certain proportion, glue milling the slurry, then spray dry...
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WO/2008/095877A1 |
A process for regeneration of a catalyst bed which is deactivated in the context of a heterogeneously catalyzed partial dehydrogenation of a hydrocarbon, in which, at elevated temperature, a gas containing molecular oxygen is conducted t...
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WO/2008/090234A1 |
An improved alkylation process utilizing a solid-acidcatalyst comprising a rare earth containing zeolite and a hydrogenation metalis disclosed.
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WO/2008/088027A1 |
Disclosed is an exhaust gas purifying apparatus which comprises an oxidation catalyst wherein metal oxide fine particles having an average primary particle diameter of 1-400 nm are arranged on a catalyst metal support composed of at leas...
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WO/2008/080363A1 |
A catalytic process development apparatus and method for simulating a commercial scale methanol and/or DME to propylene catalytic conversion system that includes a plurality of series-connected plug-flow reactors. The method involves sim...
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WO/2008/082899A1 |
In one exemplary embodiment, a process for regenerating a hydrocarbon conversion catalyst for a hydrocarbon conversion zone can generally include passing the hydrocarbon conversion catalyst through, sequentially, a catalyst-disengaging z...
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WO/2008/081792A1 |
Disclosed is a method for regenerating a palladium-containing metal loaded catalyst which is used for producing an α,β-unsaturated carboxylic acid from an olefin or an an α,β-unsaturated aldehyde. Specifically disclosed is a method f...
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WO/2008/061861A1 |
The invention relates to a process for the regeneration of a deactivated wax covered Fischer-Tropsch catalyst, a pumpable suspension of deactivated catalyst being injected into a hot gas stream and the regenerated catalyst then being sep...
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WO/2008/060038A1 |
A method of extracting platinum group metals from waste catalysts through an electrochemical process is disclosed. The extracting method includes positioning the waste catalysts between both electrodes in an electrolytic cell, leaching t...
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WO/2008/053007A1 |
The present invention provides a process for the production of hydrogen from the catalytic partial oxidation of a hydrocarbonaceous feedstock (3) with molecular oxygen (4) over a partial oxidation catalyst (6), which process comprises: d...
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WO/2008/047553A1 |
A process for easily and efficiently producing monosilane, which is industrially significantly useful. The process is characterized by using a monosilane production apparatus comprising a reaction column, two or more upper-plate condense...
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WO/2008/038855A1 |
The present invention provides a method of regenerating a catalyst using the oxidizability of NO2, a method of regenerating a catalyst, including the step of injecting NO or air into an oxidation catalyst to generate NO2, and a method of...
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WO/2008/026635A1 |
Disclosed is catalytic cracking by using a fluid catalytic cracking apparatus having a reaction zone, a separation zone, a stripping zone and a reproduction zone. In the reaction zone, a feed oil comprising a hydrocarbon separated from a...
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WO/2008/026681A1 |
Disclosed is catalytic cracking by using a fluid catalytic cracking apparatus having a reaction zone, a separation zone, a stripping zone and a reproduction zone. A synthetic product produced by a FT synthesis method is separated into a ...
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WO/2008/023851A1 |
Disclosed is a catalyst for F-T synthesis which exhibits high activity, long life and high water resistance without deteriorating strength and wear resistance. Also disclosed are a method for producing such a catalyst, a method for regen...
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WO/2008/015135A2 |
The present invention relates to a process for regenerating a ruthenium catalyst for the hydrogenation of phthalates, which comprises flushing the catalyst with inert gas in a regeneration step until the original activity or part of the ...
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WO/2008/015170A2 |
The present application describes a process for regenerating a ruthenium catalyst for the hydrogenation of benzene, which comprises flushing the catalyst with inert gas in a regeneration step until the original or part of the original ac...
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WO/2008/015103A2 |
The present invention relates to a process for regenerating a ruthenium catalyst which is suitable for hydrogenation, which comprises flushing the catalyst with inert gas in a regeneration step until the original activity or part of the ...
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WO/2007/146611A2 |
A system for optimizing operation of an amine regeneration system comprising a flash tank, a rich/lean heat exchanger, a still, a reflux condenser, a reflux accumulator, a pump, a reboiler, and a flash tank pressurization assembly.
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WO/2007/143960A1 |
The invention relates to a method for regenerating a reformer to which, in continuous reformer operation, a mixture of fuel (12, 14) and oxidant (16, 18, 20) is fed, with an average air ratio λ1, wherein the air ratio is changed for the...
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WO/2007/142748A1 |
This invention relates to an improved oxidizer for use in processes that treat sour gas streams containing hydrogen sulfide. Specifically, the gas-liquid oxidizer uses a hollow fiber membrane to allow an oxygen containing gas to contact ...
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WO/2007/123205A1 |
Disclosed is an exhaust gas purifying catalyst wherein the catalytic activity can be recovered over a wide temperature range. Also disclosed are a method for recovering an exhaust gas purifying catalyst, and a catalyst system for exhaust...
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WO/2007/124343A2 |
A process for regenerating a used acidic ionic liquid catalyst comprising contacting the used ionic liquid catalyst with at teas! one metal in a regeneration zone in the absence of added hydrogen under regeneration conditions for a time ...
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