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WO/2021/025938A1 |
Metal oxides are provided that have selective hydrogen combustion activity while also acting as solid oxygen carriers (SOCs). The metal oxides correspond to a metal oxide core of at least one metal having multiple oxidation states that i...
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WO/2021/021426A1 |
A method of recovering catalyst performance includes providing a vanadium selective catalytic reduction (VSCR) catalyst. The method includes exposing the VSCR catalyst to a first humidity level in a range of 50%-100% relative humidity, a...
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WO/2021/007156A1 |
An improved process and catalyst composition for cracking hydrocarbons in a fluidized cracking process are disclosed. The process employs circulating inventory of a regenerated cracking having a minimal carbon content. The regenerated ca...
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WO/2020/249529A1 |
A catalyst is regenerated by an inventive process using a heat exchange fluid such as superheated steam to remove heat during the process relying on efficient heat transfer (e.g., enabled by the microchannel reactor construction) in comp...
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WO/2020/237200A1 |
Disclosed herein are methods, systems, and compositions for providing catalysts for tail gas clean up in sulfur recovery operations. Aspects of the disclosure involve obtaining catalyst that was used in a first process, which is not a ta...
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WO/2020/227849A1 |
Disclosed is a method for partially regenerating a catalyst for methanol and/or dimethyl ether-to-olefin. The method comprises: introducing a mixed gas into a regenerated region containing a catalyst to be regenerated, and subjecting sam...
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WO/2020/220312A1 |
Disclosed are a catalyst for preparing vinyl chloride by cracking 1,2-dichloroethane and preparation and regeneration methods therefor. The catalyst for preparing vinyl chloride by cracking 1,2-dichloroethane comprises a carrier and a ni...
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WO/2020/215464A1 |
A method and apparatus for in-situ online cyclonic activity recovery of a catalyst in an ebullated bed hydrogenation reactor. The method comprises the following steps: (a) deaerating a three-phase mixture consisting of a gas phase, a liq...
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WO/2020/217029A1 |
The invention relates to a method for manufacturing a membrane (1), which comprises the following steps: a) a mixture is prepared that contains at least: - an aqueous solution of cationic polymer with a pH between 5 and 8, the cationic p...
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WO/2020/208115A1 |
The invention is directed to a process for the preparation of an oxygen carrier for a chemical looping process comprising: (a) providing a material A comprising at least one first transition metal and/or an oxide of the at least one firs...
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WO/2020/194851A1 |
Provided are a denitration catalyst regeneration method and a denitration catalyst regeneration system, which are capable of recovering denitration performance to a high level and reducing the SO2 oxidation rate of a catalyst. A denitrat...
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WO/2020/185107A1 |
A method to regenerate and reactivate catalysts used for a carbon and syngas production reaction including a DRM or CARGEN reaction is developed. Carbon dioxide (CO2) is used as the regeneration and activation media. This method of a sin...
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WO/2020/183359A1 |
Houdry lumps can be reduced by controlling the reactors in a fixed bed dehydrogenation process for producing olefins according to defined rules. A programmable logic controller can apply the rules to the operation of the dehydrogenation ...
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WO/2020/183946A1 |
A method for recovering a catalytic metal from an aqueous solution including a catalytic metal, the method characterized by retaining an aqueous solution including a catalytic metal co-precipitated with tin to elute the catalytic metal, ...
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WO/2020/170042A1 |
A catalyst structure includes a porous support structure, where the support structure includes an aluminosilicate material. Any two or more metals are loaded in the porous support structure, the two or more metals selected from the group...
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WO/2020/153127A1 |
[Problem] To provide: a nozzle that can achieve an improvement in the work efficiency and work accuracy of work for extracting solid matter from a pipe body; a device for extracting solid matter; a system for extracting solid matter; and...
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WO/2020/138762A1 |
The present invention relates to a method for regenerating a carboxylic acid or carboxylate hydrogenation catalyst and, more specifically, to a method for regenerating a hydrogenation catalyst to be used in a reaction of converting a dic...
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WO/2020/126680A1 |
The invention concerns a method for rejuvenating an at least partially used catalyst originating from a hydroprocessing and/or hydrocracking process, the at least partially used catalyst being derived from a fresh catalyst comprising at ...
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WO/2020/126676A1 |
The invention relates to a method for regenerating an at least partially spent catalyst formed from a hydrodesulfurization process of a sulfur-containing olefinic gasoline cut, said at least partially spent catalyst being derived from a ...
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WO/2020/126920A1 |
The present invention relates to a method for producing butadiene from ethanol, in two reaction steps, comprising a step a) of converting the ethanol into acetaldehyde and a step b) of conversion into butadiene, the step b) simultaneousl...
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WO/2020/126679A1 |
The invention relates to a method for regenerating an at least partially spent catalyst originating from a hydrotreatment process, the at least partially spent catalyst originating from a fresh catalyst comprising a metal from the group ...
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WO/2020/126312A1 |
The invention relates to the field of hydrocarbon conversion and more particularly to that of catalytic reforming. The invention relates to a method involving at least two reaction zones, two reduction zones and one regeneration zone, wh...
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WO/2020/126921A1 |
The present invention relates to a process for producing butadiene from ethanol, in two reaction steps, comprising a step a) of conversion of the ethanol to acetaldehyde and a step b) of conversion to butadiene, said step b) simultaneous...
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WO/2020/130735A1 |
The present invention relates to a method for surface-modifying an organozinc catalyst with a dicarboxylic acid and a zinc compound and regenerating same. When the method for regenerating an organozinc catalyst, of the present invention,...
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WO/2020/121287A1 |
The present disclosure relates to a low temperature method for the production of pure hydrogen using a methane rich stream as raw material, and to perform in-situ catalyst regeneration. The process involves the decomposition of methane i...
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WO/2020/116003A1 |
When an organic solvent containing a flammable solvent having high flammability is concentrated and burned, there is a risk of the occurrence of ignition during the concentration. A method for treating a volatile organic compound, charac...
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WO/2020/103428A1 |
A regeneration method for a benzene alkylation solid acid catalyst, comprising: purging a solid acid catalyst in a reactor by using a gas; continuously injecting n-hexane from a feed port of the reactor and heating, washing the solid aci...
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WO/2020/104991A1 |
Oxidative dehydrogenation of alkanes employs a catalyst, usually a mixed metal oxide, to convert, in the presence of oxygen, a lower alkane into its corresponding alkene. Continuous operation of an oxidative dehydrogenation process may r...
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WO/2020/099430A1 |
The invention provides a process for regenerating a dehydration catalyst, the process comprises contacting a regeneration agent with the dehydration catalyst under conditions to provide a density of the regeneration agent that ranges fro...
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WO/2020/085947A1 |
The invention relates to the field of oil refining and petrochemistry. A reactor-regenerative block of a reforming plant includes a reactor unit comprising a reactor and a coked catalyst bin located at the outlet of the reactor, a regene...
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WO/2020/078413A1 |
The present invention relates to a nitro compound hydrogenation reaction method and hydrogenation reaction apparatus, capable of achieving the long-term production objectives of continuous reaction, regeneration, and activation of nitro ...
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WO/2020/078411A1 |
A gas replacement method and device, and the use of the gas replacement method or device in a hydrogenation method for a nitro compound. The gas replacement method comprises at least: a first step of performing gas replacement on a mater...
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WO/2020/048983A1 |
In a regeneration procedure for a transition metal-based dehydrogenation catalyst used in processes for the dehydrogenation of alkanes to the corresponding alkenes, the presence of a certain sulfur load on the catalyst is assured by addi...
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WO/2020/051417A2 |
A method of chlorinating a antimony fluorohalide catalyst is disclosed. In one embodiment the method comprises contacting an antimony fluorohalide catalyst that contains one or more fluorines with a regenerating agent chosen from 2-chlor...
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WO/2020/041136A1 |
Presented is a process for the off-line regeneration of a deactivated nitrogen oxide decomposition catalyst of a selective catalytic reduction system that is a component of a flue gas treating system. The selective catalytic reduction sy...
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WO/2020/041140A1 |
Presented is a process for the regeneration of a deactivated nitrogen oxide decomposition catalyst of a selective catalytic reduction system that is a component of a flue gas treating system that is one of parallel flue gas treating syst...
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WO/2020/041143A1 |
Presented is a process for the regeneration of a deactivated nitrogen oxide decomposition catalyst used for the selective catalytic reduction of nitrogen oxides contained in a flue gas stream.
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WO/2020/033945A1 |
A method of controlling the regeneration of spent catalyst from an oxygenate-to-olefin reaction zone in order to provide a partially regenerated catalyst. The partially regenerated catalyst has between 1 to 4, or 1 to 3, or, 2 to 3 wt% c...
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WO/2020/009612A1 |
A plant relates to the field of petrochemistry, specifically to apparatuses for continuously regenerating a catalyst in an oxygen-containing gas for a reforming process. A device is proposed for regenerating a reforming catalyst, compris...
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WO/2020/009860A1 |
A method for processing a chemical stream includes contacting a feed stream with a catalyst in a reactor portion of a reactor system that includes a reactor portion and a catalyst processing portion. The catalyst includes platinum, galli...
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WO/2020/002135A1 |
The invention relates to a catalyst comprising a substrate that is based on alumina or silica or silica-alumina, at least one element from group VIII (groups 8, 9, 10), at least one element from group VIB (group 6), and an organic compou...
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WO/2019/246006A1 |
Processes for regenerating ionic liquid catalyst by contacting the ionic liquid catalyst with hydrogen gas in a regeneration reactor. The amount of hydrogen is less than 550 SCF/BBL (97.96 m3/m3) of spent ionic liquid catalyst, or less t...
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WO/2019/241957A1 |
A process for the incineration of precious metal catalyst briquettes, wherein the precious metal catalyst briquettes comprise precious metal catalyst, optionally water, and, also optionally, binder.
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WO/2019/246007A1 |
Processes for regenerating ionic liquid catalyst in which reaction vessel is operated under conditions sufficient to perform, in the presence of an ionic liquid catalyst, a hydrocarbon conversion reaction and provide a reaction effluent....
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WO/2019/243929A1 |
Oxidative dehydrogenation catalysts comprising mixed oxides of Mo, V, Nb, Te and optionally a promoter may be dissolved in aqueous solutions of oxalic acid. This permits the removal of catalyst and catalyst residues from reactors for the...
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WO/2019/233035A1 |
Disclosed is a method for solving the problem of SO2 poisoning of a low-temperature SCR denitration catalyst. The method comprises reacting an alkaline gas and a metal sulfate deposited on the surface of the catalyst to displace a metal ...
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WO/2019/228131A1 |
A fluidifying catalytic reaction regeneration method for increasing the yield of propylene. A catalyst regeneration and catalyst recycling method is provided. Catalytic feedstock oil or a first raw material (13) and a light hydrocarbon o...
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WO/2019/230853A1 |
This catalyst mixture is provided with an endothermic-reaction catalyst and an inert buffer material. According to the present invention, suppressing any reduction in the temperature of an entire reaction container caused by an endotherm...
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WO/2019/230855A1 |
This catalyst contains a first transition metal oxide (A1) that is represented by general formula M1Ox (wherein M1 represents a transition metal element and x represents a positive real number) and a metal compound (B1) that is capable o...
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WO/2019/223918A1 |
A catalyst for the catalytic dehydrogenation of alkanes to the corresponding alkenes consists of platinum, gallium and optionally potassium on an alumina carrier. Silica has been added to the catalyst, preferably in an amount of 5-10 wt%...
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