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WO/2015/007841A1 |
A process is proposed for preparing 1,3-butadiene by oxidative dehydrogenation of n-butenes over a heterogeneous particulate multimetal oxide catalyst which comprises molybdenum and at least one further metal as active composition and ha...
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WO/2015/002694A1 |
Spent catalyst or regenerated catalyst from a biomass conversion unit may be rejuvenated by treating at least a portion of the spent catalyst or regenerated catalyst with a treatment acid, the treatment acid comprising an inorganic acid ...
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WO/2014/202577A1 |
A process for the regeneration of a supported noble metal catalyst comprising contacting the catalyst with a liquid aqueous system at a temperature in the range of from 90 to 160 °C, wherein the pH of the aqueous system is outside the r...
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WO/2014/204684A1 |
Provided is a method for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a halogenated rare earth element oxide catalyst, wherein the used dehydration catalyst may be regenerat...
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WO/2014/203601A1 |
Provided is a method for regenerating a catalyst for hydrogenation reactions, said catalyst being poisoned during use in a reaction between a polyhydric alcohol and hydrogen, which is capable of restoring the catalytic activity of the ca...
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WO/2014/196697A1 |
A catalyst solution coating apparatus comprising: a vanadium storage tank (300) for supplying a vanadium aqueous solution; a compressed air supply unit (200) for supplying high-pressure compressed air; a nozzle box (110) having a space f...
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WO/2014/196696A1 |
A mobile catalyst recycling apparatus for cleaning a catalyst module in denitrification equipment installed in a power station or on site comprising: a dry ice supply unit (300) for supplying dry ice; a compressed air supply unit (200) f...
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WO/2014/191060A1 |
Method for the in situ regeneration of a deactivated methane oxidation catalyst comprising the step of bringing the deactivated catalyst in contact with a reducing agent, selected from the group of, natural gas, very low sulphur diesel, ...
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WO/2014/190148A1 |
In one aspect, the invention provides a catalyst for converting diesel type liquid hydrocarbons to methane rich gas. The catalyst includes a nickel component, a cerium oxide component, and gadolinium oxide component. The catalysts provid...
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WO/2014/182442A1 |
The present invention provides a process for regenerating an at least partially spent catalyst comprising a molecular sieve. The process comprising the step of contacting the at least partially spent catalyst with an aromatic solvent und...
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WO/2014/182434A1 |
The present disclosure relates to a method for treating a catalyst that is useful for producing mono-alkylaromatic compounds, the method comprises the steps of (a) contacting the untreated catalyst with water to produce water-contacted c...
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WO/2014/182440A1 |
The present invention provides a process for regenerating a spent catalyst comprising a molecular sieve, the process comprising the step of contacting the spent catalyst with a hydrogen-containing gas under catalyst reactivation conditio...
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WO/2014/182437A1 |
The present disclosure relates to a method of regenerating an at least partially deactivated catalyst, preferably an aromatic alkylation or trans alkylation catalyst, comprising a molecular sieve. The method comprises the step of contact...
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WO/2014/178337A1 |
[Problem] To provide a cremation method and a cremation system comprising a catalytic device that efficiently decomposes and removes toxic substances contained in exhaust gases from a crematory furnace and that prevents clogging of a cat...
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WO/2014/178543A1 |
The present invention relates to an effective operation of a circulating fluidized bed for preparing light olefins from methanol by monitoring the selectivity of intermediates, and specifically, to a method for predicting the extent of i...
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WO/2014/175152A1 |
Provided are: a method for easily and efficiently recovering an oxo acid catalyst, which is used in a reaction for oxidizing an organic compound by hydrogen peroxide, without deteriorating the yield of the reaction product and the activi...
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WO/2014/176197A1 |
A self-activating hydroprocessing catalyst for treating heavy hydrocarbon feedstocks is further activated by contacting the self-activating catalyst with steam. The steam may be added to the heavy hydrocarbon feedstock prior to contactin...
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WO/2014/175941A1 |
Disclosed in one embodiment is a method for the catalytic pyrolysis of a carbonaceous material that includes contacting the carbonaceous material with a plurality of catalyst particles to produce a gas phase product and a solid phase pro...
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WO/2014/167473A1 |
Disclosed herein is a method and apparatus for dehydrogenation of a paraffin comprising: providing a dehydrogenation reactor comprising an integrated fluidized bed reactor and a regenerator reactor, wherein the integrated fluidized bed r...
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WO/2014/165223A2 |
Catalyst that is used in the catalytic pyrolysis of biomass is regenerated by oxidation and washing with a liquid to remove minerals and restore catalyst activity and selectivity to aromatics.
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WO/2014/155628A1 |
An upstream fixing member (10) equipped with an expanded part having a cross-sectional area larger than the cross-sectional area of a member to be ground comprising a denitrification catalyst is connected to one end of the member to be g...
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WO/2014/154862A1 |
The invention provides a process for rejuvenation of a used hydrotreating catalyst comprising at least 8 %wt of coke and one or more non-noble Group VIII and/or Group VIb metals, which process comprises the steps of: (i) removing coke fr...
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WO/2014/160687A1 |
A process and apparatus is presented for the removal of sulfur from a catalyst. The catalyst is a dehydrogenation catalyst, and sulfur accumulates during the dehydrogenation process. The sulfur is removed before the catalyst is regenerat...
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WO/2014/156346A1 |
[Problem] To provide a highly practical on-site regeneration method for a denitrification catalyst for exhaust gas purification systems that use denitrification catalysts meant for low temperature ranges in which the temperature of the e...
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WO/2014/158378A1 |
Methods of removing or softening calcium material from a substrate (e.g., a catalytic converter) and regenerating a catalytic converter are provided. A substrate (e.g., a catalyst support material) having a calcium containing material (e...
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WO/2014/155547A1 |
Provided is a method for separating and recovering a metal constituent from a member comprising, as the metal constituent, at least tungsten, molybdenum, or vanadium, wherein the method comprises the following: a step in which the member...
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WO/2014/144855A2 |
Systems, methods and apparatuses for regenerating a Fischer-Tropseh ("FT") catalyst thai is to be regenerated with a first wash fluid comprising at least one hydrocarbon and contacting the washed FT catalyst with a gas comprising hydroge...
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WO/2014/140455A1 |
The invention relates to a method for treating a catalytic reactor comprising a catalytic bed, successively comprising: a) a step of passivation leading to the production of an oxidation layer on the surface of the active sites of the ca...
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WO/2014/143465A1 |
Methods of removing iron from a catalytic converter having an accumulation of one or more iron compounds and regenerating a catalytic converter are provided. A catalytic converter having an accumulation of one or more iron compounds embe...
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WO/2013/095849A9 |
Disclosed herein are methods for recovering diphosphite-containing compounds from mixtures comprising organic mononitriles and organic dinitriles, using liquid-liquid extraction. Also disclosed are treatments to enhance extractability of...
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WO/2014/129585A1 |
This method for producing single-ring aromatic hydrocarbons has a decomposition reformation reaction step for filling a fixed-bed reactor with a single-ring aromatic hydrocarbon production catalyst containing a crystalline aluminosilicat...
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WO/2014/114933A1 |
Carbon deposits are removed from a catalytic reaction module (10) which in normal operation is intended to perform steam reforming, the module comprising at least one reactor (12) defining first flow channels (15) for the steam reforming...
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WO/2014/113395A1 |
A catalyst composition useful for the dehydrogenation of hydrocarbon comprises components (A) - (G). Component (A) is a catalyst substrate. (B) is platinum. (C) is at least one of germanium, tin, lead, gallium, indium, and titanium. (D) ...
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WO/2014/101279A1 |
The present invention relates to an SCR denitration catalyst regeneration method and an apparatus thereof. The method either comprises a gas cleaning process that is used first, a liquid cleaning process that is used then, and a drying p...
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WO/2014/086768A1 |
The invention relates to a method for the oxidative dehydrogenation of n‑butenes to butadiene, comprising two or more production steps (i) and at least one regeneration step (ii), in which (i) in a production step an n‑butene-contain...
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WO/2014/086641A1 |
The invention relates to a catalyst comprising a catalytically active molybdenum and at least one further metal-containing multimetal oxide of the general formula (I), Mo12BiaMnbCocFedX1 eX2 fOx (I), in which the variables have the follo...
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WO/2014/073114A1 |
An object of the present invention is to provide a production method which can increase the activity of a catalyst particle comprising a core particle and an outermost layer, the core particle comprising at least one of palladium and a p...
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WO/2014/070765A1 |
The present invention is directed to the activation of metal carbonyl clusters by an oxidative agent to prepare a stable metal cluster catalyst exhibiting catalytic rate enhancement. The activation comprises, for example, using oxygen fo...
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WO/2014/058121A1 |
The present invention relates to a method for the remanufacture in situ of a commercial denitration SCR catalyst. More particularly, the present invention relates to a method for the remanufacture in situ of a denitration SCR catalyst, i...
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WO/2014/053818A1 |
A process for regenerating a silica-supported depleted alkali metal catalyst is described. The level of alkali metal on the depleted catalyst is at least 0.5 mol% and the silica support is a zero-gel. The process comprises the steps of c...
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WO/2014/035590A1 |
A catalyst comprising a Group IIIA metal, a Group VIII noble metal, and an optional promoter metal, on a support selected from silica, alumina, silica-alumina compositions, rare earth modified alumina, and combinations thereof, doped wit...
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WO/2014/025561A1 |
A process for slurry hydrocracking catalyst recovery is described. In one embodiment, the process includes separating effluent from a slurry hydrocracking zone into a first portion comprising solvent and clarified pitch and a second port...
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WO/2014/020626A1 |
The present invention relates to a process for recovering rare earth elements from exhausted industrial catalysts.
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WO/2014/018251A1 |
A process for activating a hydroalkylation catalyst in a first state comprising an acid component and a hydrogenating metal component, including: (i) treatment at a temperature of at least 120°C in the presence of hydrogen for a first d...
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WO/2014/018515A1 |
In a process for producing cumene, benzene and a C3 alkylating agent comprising isopropanol are supplied to an alkylation zone comprising a molecular sieve alkylation catalyst under alkylation conditions such that the isopropanol reacts ...
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WO/2014/013784A1 |
Provided is a method for reactivating a used hydrogenation treatment titania catalyst, wherein the hydrogenation treatment titania catalyst is produced by supporting a catalyst component on a titania carrier and the used catalyst is one ...
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WO/2014/014466A1 |
The following example is a method treating a cyclohexylhydroperoxide (CHHP) hydrogenation catalyst. A reactor is provided that is filled with a partially deactivated hydrogenation catalyst from a CHHP hydrogenation process. A regeneratio...
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WO/2014/006595A1 |
The present invention concerns a process for preparing fatty acid esters with the use of solid acid catalysts.
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WO/2014/003891A1 |
An apparatus for mixing streams of regenerated and carbonized catalyst utilizes bend provided on only one of the catalyst conduits to provide mixing advantages. A pair of horizontally aligned openings with a band between the pair of open...
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WO/2013/190574A1 |
There is provided a method for regenerating a spent dehydrogenation catalyst used in the conversion of n-paraffin to olefin. The method comprises method steps for removing the coke by treating the catalyst with an ozone-oxygen stream fol...
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