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WO/2022/039094A1 |
The present invention aims to improve olefin yield. This olefin production method includes a step in which a raw material that includes at least a polyolefin and an organochlorine compound is catalytically cracked in the presence of a ze...
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WO/2022/027146A1 |
Methods for leaching and extraction of precious metals. For example, methods of leaching palladium, rhodium, platinum from a substance comprising palladium, rhodium, and/or platinum (such as a platinum group metal (PGM) concentrate, and ...
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WO/2022/026982A1 |
A fluidized catalytic reactor utilizes an ascending temperature profile. The apparatus and process deliver cooler spent catalyst to a first catalyst distributor and a hotter regenerated catalyst to a second catalyst distributor that are ...
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WO/2022/015593A1 |
Some non-limiting embodiments of the present disclosure relate to a method of regenerating at least one filter medium, the method comprising flowing a flue gas stream through or by the at least one filter medium at a first temperature an...
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WO/2022/015552A1 |
A process for catalytic cracking of an iron-contaminated fluid catalytic cracking (FCC) feedstock. The process may include combining a FCC catalyst, a slurry containing a magnesium compound, and an iron-contaminated FCC feedstock during ...
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WO/2022/008248A1 |
The invention relates to a method of regenerating the catalytic activity of a spent catalyst comprising nickel on a refractory oxide support, said method comprising the steps of contacting the spent catalyst with a nitric acid solution, ...
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WO/2022/007450A1 |
Disclosed is a method for regenerating a thallium poisoning SCR denitration catalyst of a cement kiln, comprising the following steps: (1) dust removal; (2) soaking by using a cleaning liquid; (3) rinsing; (4) drying; (5) titanium vanadi...
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WO/2021/226277A9 |
The present process comprises hydrocracking a hydrocarbon feed in a first stage. The catalyst in the first stage is a conventional hydrocracking catalyst. The product from the first stage can then be transferred to a second hydrocracking...
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WO/2021/261477A1 |
This method for regenerating a catalyst comprises: a step wherein a catalyst is washed with water; a step wherein the water-washed catalyst is wetted with a first chemical agent that has been repeatedly used; a step wherein the catalyst,...
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WO/2021/258425A1 |
Provided are a porous carbon-based metal catalyst and a preparation method therefor and an application thereof. The preparation method comprises: after cleaning micron-sized porous carbon, sequentially performing activation, surface corr...
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WO/2021/250567A1 |
Processes for reconstructing a spent dehydrogenation catalyst and producing an unsaturated hydrocarbon. The process includes contacting a spent dehydrogenation catalyst containing a group 13 metal, a group 1 metal, a rare earth metal, a ...
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WO/2021/245841A1 |
The present invention provides a denitration catalyst abrasion method and a denitration catalyst abrasion device with which the denitration catalyst abrasion efficiency can be improved. A denitration catalyst abrasion device 1 allows a...
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WO/2021/245910A1 |
This operation state estimation system 1 comprises: a training device 100 which trains a state estimator for estimating an operation state of a fluid catalytic cracking device from information that can be acquired during operation of the...
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WO/2021/245842A1 |
The purpose of the present invention is to provide a denitration catalyst abrasion device wherein a bias in the distribution of an abrasive material flowing into a denitration catalyst does not occur readily, and capable of abrading the ...
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WO/2021/247065A1 |
In accordance with one or more embodiments of the present disclosure, a method for regenerating and rejuvenating a spent catalyst comprising coke and contaminant metals includes washing the spent catalyst with a solvent; drying, at least...
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WO/2021/231506A1 |
Disclosed herein is a method and system for converting biomass to biofuel, comprising a reaction apparatus including: a reaction tank configured to hold a process fluid; at least one mechanical rotating device comprising: a submergible c...
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WO/2021/187057A1 |
The present invention pertains to a formate production method comprising: a first step for producing a formate by causing a reaction between hydrogen and carbon dioxide in a solution containing a solvent, a catalyst dissolved in the solv...
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WO/2021/171627A1 |
The purpose of the present invention is to provide a denitration catalyst abrasion method and a denitration catalyst abrasion device which are capable of improving denitration catalyst abrasion efficiency. Provided is a denitration cat...
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WO/2021/171624A1 |
The purpose of the present invention is to provide a denitration catalyst abrasion device which uniformly distributes an abrasive material flowing into a denitration catalyst, and thus is capable of uniformly abrading the denitration cat...
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WO/2021/171629A1 |
The purpose of the present invention is to provide a denitration catalyst abrasion device that is capable of equalizing the degree of abrasion of a denitration catalyst in the flow path direction. The present invention comprises: an in...
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WO/2021/171626A1 |
The present invention provides a denitrification catalyst abrading method and a denitrification catalyst abrading device allowing the efficiency of abrading a denitrification catalyst to be improved. The denitrification catalyst abradi...
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WO/2021/171625A1 |
The purpose of the present invention is to provide a denitration catalyst abrasion device that improves the flow rate of an abrasive material and is capable of improving denitration catalyst abrasion efficiency. This denitrification ca...
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WO/2021/173291A1 |
A method of recovering substantially rare earth elements (REEs) from magnets, including first dissolving a magnet to yield a solution containing Nd, Pr, and Dy, and then equilibrating a first column with Cu2+ solution to yield a first eq...
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WO/2021/171628A1 |
The purpose of the present invention is to provide a denitration catalyst abrasion device which is not susceptible to deviations in the distribution of an abrasive material flowing into a denitration catalyst, and thus is capable of unif...
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WO/2021/158525A1 |
There are provided methods of treating a catalyst-containing reactor system with a liquid solvent to remove contaminants from the reactor system. An exemplary method includes the steps of: isolating the reactor system to be treated from ...
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WO/2021/151813A1 |
Process for dehydrogenation of a hydrocarbon feed stock in at least one fixed bed reactor, the fixed bed reactor containing a platinum and gallium comprising dehydrogenation catalyst, the process being a cyclic process with alternating s...
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WO/2021/153000A1 |
The purpose of the present invention is to provide: a regenerated denitration catalyst having restored denitration performance compared to a denitration catalyst before use, by using a used denitration catalyst; and a production method t...
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WO/2021/147625A1 |
A cleaning liquid for washing a plate catalyst, comprising 5-10 wt% of dodecyl benzene sulfonic acid, 5-10 wt% of fatty alcohol polyoxyethylene ether sodium sulfate, 4-12 wt% of coconut oil fatty acid monoethanolamide, and 3-25 wt% of an...
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WO/2021/141839A1 |
Catalytic activity of a spent precious metal-iron catalyst is restored by combining the spent catalyst with an iron (III) compound. This can be performed by adding the iron (III) compound into a chemical reaction that contains the spent ...
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WO/2021/140732A1 |
This catalyst used for production of a synthetic gas containing hydrogen and carbon monoxide from a hydrocarbon gas contains a complex oxide having a perovskite structure. The complex oxide has a crystal phase containing CaZrO3 as the ma...
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WO/2021/122999A1 |
A method for activating an oxidic fresh hydroprocessing catalyst or the catalytically active material of a spent hydroprocessing catalyst comprising a refractory oxide support and one or more base metals selected from Ni, Co, Mo and W co...
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WO/2021/117385A1 |
The present invention addresses the problem of providing a method for recovering a catalytic metal from an aqueous solution which contains a catalytic metal which is coprecipitated with tin, said method being characterized by including: ...
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WO/2021/119407A1 |
Higher temperature regenerated dehydrogenation catalyst is mixed with the lower temperature spent dehydrogenation catalyst from a dehydrogenation reaction to heat the spent catalyst. Air or other oxygen containing gas may be introduced t...
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WO/2021/110418A1 |
The present invention relates to a method for producing a transition metal catalyst supported by means of nitrogen-doped carbon, comprising the steps: a) producing a nitrogen-doped carbon, comprising the steps: i) providing a composition...
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WO/2021/106372A1 |
The present invention pertains to a method for recovering palladium metal and/or a palladium compound that had eluted from a solid catalyst in a dialkyl carbonate production device through a simple operation that is highly economical and...
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WO/2021/100609A1 |
A catalyst cleaning method including: a step for supporting a honeycomb-structured catalyst above a cleaning liquid so that an opening surface of the catalyst and the liquid surface of the cleaning liquid face each other; and a step for ...
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WO/2021/102207A1 |
Compositions and methods for restoring catalytic activity by dissolving soft coke with a solvent, one method including detecting soft coke deposition on a catalyst composition; preparing an aromatic bottoms composition with a Hildebrand ...
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WO/2021/096847A1 |
Systems and methods for upgrading a heavy oil feed to a light product comprising distillate fractions and olefins, the method including combining a heavy oil feed with a naphtha-based cracking additive to produce a mixed heavy oil feed; ...
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WO/2021/096848A1 |
Systems and methods for upgrading a heavy oil feed to a light product comprising distillate fractions and olefins, the method including combining a heavy oil feed with a naphtha-based cracking additive to produce a mixed heavy oil feed; ...
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WO/2021/089599A1 |
The present invention generally relates to automated synthesis technology, and more particularly, to a device and method for automated synthesis of oligo- and polysaccharides on a solid support. In particular the present invention relate...
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WO/2021/089623A1 |
The present invention relates to device for automated synthesis of oligo- and polysaccharides on a solid support.
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WO/2021/091687A1 |
The present invention generally relates to processes for the recovery of rhodium from a catalyst purge stream from a C6 or higher olefin hydroformylation process. In one embodiment, the process comprises (a) treating a catalyst-containin...
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WO/2021/089048A1 |
Disclosed are a catalyst pre-hydrocarbon pooling method and a pre-hydrocarbon pooling device, relating to the technical field of preparation of low carbon olefin. A regenerated catalyst enters a pre-hydrocarbon pooling reactor, and a pre...
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WO/2021/089632A1 |
The present invention relates to a method for synthesizing oligo- and polysaccharides using microwave radiation, in particular to a method and a device for automated synthesis of oligo- and polysaccharides.
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WO/2021/089471A1 |
The present invention provides a method for the removal of ammonium bisulfate and/or ammonium sulfate from a selective catalytic reduction converter in a combustion facility, wherein the selective catalytic reduction converter is selecte...
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WO/2021/086979A2 |
Some embodiments of the present disclosure relate to a method of regenerating at least one filter medium comprising: providing at least one filter medium, wherein the at least one filter medium comprises: at least one catalyst material; ...
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WO/2021/066463A1 |
The present invention relates to an SCR catalyst for removing nitrogen oxides (NOx) from exhaust gas, comprising: 0.01-70 wt% of zeolite having an average pore size of 5 Å or more; 25-90 wt% of titanium dioxide (TiO2); and 4-10 wt% of ...
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WO/2021/067224A1 |
According to a least one feature of the present disclosure, a method includes the steps: (a) providing a metallosilicate catalyst that has been used to catalyze a chemical reaction; and (b) heating the metallosilicate catalyst to a tempe...
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WO/2021/051217A1 |
A low temperature denitration catalyst thermal regeneration device, comprising: a fixed pedestal (1), bearing rods (2), a mounting base plate (3), a mounting cylinder (4), an exhaust pipe (5), an exhaust head (6), a feeding pipe (7), a f...
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WO/2021/036096A1 |
Disclosed is a stacked online switchable fluidized bed process for producing propylene by using propane dehydrogenation, comprising a catalytic dehydrogenation process and a catalyst regeneration process. The catalytic dehydrogenation pr...
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