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Matches 151 - 200 out of 6,125

Document Document Title
WO/2015/016553A1
The present invention provides a semi-insitu SCR catalyst regeneration method which can regenerate a catalyst in a simple, efficient, low-cost and eco-friendly manner in a short period of time without corroding an SCR system by resolving...  
WO/2015/010994A1
The present invention relates to a process for the regeneration of a catalyst comprising a titanium-containing zeolite, said catalyst having been used in a process for the preparation of an olefin oxide and having phosphate deposited the...  
WO/2015/011452A1
A catalyst article for treating an emission gas is provided comprising (a) an oxidation catalyst comprising at least one noble metal on a WO3-TiO2 support, wherein the support contains about 1 to about 20 weight percent WO3 based on the ...  
WO/2015/007839A1
The invention relates to a method for oxidatively dehydrogenating n-butenes into 1,3-butadiene in a fixed-bed reactor (R), comprising at least two production steps (i) and at least one regeneration step (ii). In a production step (i), a ...  
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...  
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 ...  
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...  
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...  
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...  
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...  
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...  
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, ...  
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...  
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...  
WO/2014/182437A8
The present disclosure relates to a method of regenerating an at least partially deactivated catalyst, preferably an aromatic alkylation or transalkylation catalyst, comprising a molecular sieve. The method comprises the step of contacti...  
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...  
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...  
WO/2014/182440A8
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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.  
WO/2014/165223A3
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.  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
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...  
WO/2014/144855A3
Systems, methods and apparatuses for regenerating a Fischer-Tropsch ("FT") catalyst that 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...  
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...  
WO/2014/138171A3
The invention relates to a process for purifying syrups. The process comprises removing charged components from the syrup by passing said syrup through a capacitive deionization cell. The present invention further relates to the use of c...  
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 aluminosili...  
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...  
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) ...  
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...  
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...  
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...  
WO/2014/086768A8
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...  
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...  
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...  
WO/2014/056846A9
This invention provides supported catalysts comprising a carrier, phosphorus, at least one Group VI metal, at least one Group VIII metal, and a polymer. In the catalyst, the molar ratio of phosphorus to Group VI metal is about 1:1.5 to l...  
WO/2014/056846A1
This invention provides supported catalysts comprising a carrier, phosphorus, at least one Group VI metal, at least one Group VIII metal, and a polymer. In the catalyst, the molar ratio of phosphorus to Group VI metal is about 1:1.5 to l...  
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...  

Matches 151 - 200 out of 6,125