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Matches 151 - 200 out of 6,237

Document Document Title
WO/2015/158846A1
The invention refers to a process for rejuvenating a hydrotreating catalyst comprising a group VIB hydrogenation metal and/or a group VIII hydrogenation metal, which comprises the steps of: (a) regenerating the catalyst by contacting sai...  
WO/2015/158844A1
The invention refers to a process for rejuvenating a hydrotreating catalyst comprising a group VIB hydrogenation metal and/or a group VIII hydrogenation metal, which comprises the steps of: (a) regenerating the catalyst by contacting sai...  
WO/2015/160824A1
A method for separating catalyst particles from the slurry oil present in the retentate of a filtered slurry oil run-down stream is disclosed. The method comprises backwashing the run-down stream filter with a low boiling point solvent t...  
WO/2015/154827A1
Method for the preparation of a metal exchanged crystalline microporous metalloaluminophosphate or mixtures containing metal exchanged microporous metalloaluminophosphates materials comprising the steps of providing a dry mixture contain...  
WO/2015/146307A1
A method for removing a metal contained in an organic-solvent solution thereof, the method comprising dissolving a polymer in the metal-containing organic-solvent solution to form a composite of the metal with the polymer and separating ...  
WO/2015/144232A1
The present invention relates to a continuous process for the skeletal isomerization of unsaturated linear fatty acids and/or alkyl esters thereof to their branched counterparts. The invention further relates to novel catalysts useful in...  
WO/2015/138129A1
A process for at least partially reactivating the catalytic activity of at least a partially deactivated catalyst following a reaction cycle, the catalyst having been used in a catalytic reaction process for hydrogenating an aromatic epo...  
WO/2015/133769A1
The present invention relates to a method for leaching precious metals contained in a waste denitrification catalyst by using a pressure leaching process, and more specifically, to a method for leaching precious metals contained in a was...  
WO/2015/112399A1
A metal contaminated spent catalyst or regenerated catalyst from a biomass conversion unit may be subjected to an ammonium wash in order to remove potassium. The ammonium wash may include ammonium sulfate, ammonium nitrate, ammonium hydr...  
WO/2015/096316A1
The present invention relates to a treating method and device for concentrating, drying and regenerating a waste catalyst entrained in isobutylene in the preparation of isobutylene by dehydrogenation of isobutane. The method comprises th...  
WO/2015/098319A1
This catalyst regeneration method for a COS conversion catalyst is a regeneration method for a Ba/TiO2 COS conversion catalyst for hydrolyzing carbonyl sulfide (COS) in gasified gases in which a carbon starting material is gasified. Used...  
WO/2015/091832A1
The present invention relates to a catalyst for the conversion of oxygenates to olefins, wherein the catalyst comprises one or more zeolites of the MFI, MEL and/or MWW structure type and particles of one or more metal oxides, the one or ...  
WO/2015/094681A1
Catalyst compositions including a zeolite having a molar ratio of silicon to aluminum of about 10.0 to about 300.0; a Group 10-12 element and combinations thereof; a Group 15 element and combinations thereof; and optionally, a binder, wh...  
WO/2015/094687A1
A catalyst composition includes a zeolite, a binder, and a Group 12 transition metal selected from the group consisting of Zn, Cd, or a combination thereof, the zeolite having a silicon to aluminum ratio of at least about 10, the catalys...  
WO/2015/094679A1
A catalyst composition comprises a self-bound zeolite and a Group 12 transition metal selected from the group consisting of Zn, Cd, or a combination thereof, the zeolite having a silicon to aluminum ratio of at least about 10, the cataly...  
WO/2015/094685A1
A catalyst composition comprising a zeolite, an alumina binder, and a Group 12 transition metal selected from Zn and/or Cd, the zeolite having a Si/Al ratio of at least about 10 and a micropore surface area of at least about 340 m2/g, th...  
WO/2015/086573A1
The invention relates to a method for regenerating a catalyst for producing aromatic hydrocarbons or reforming including at least one step a) of combustion in an a combustion area A including at least one combustion reaction section, by ...  
WO/2015/082424A1
The invention concerns a method for separating at least one catalyst from a mixture of catalysts homogeneous in shape, the catalysts comprising at least one metal chosen from the group formed by Ni, Co, Mo, W, the catalyst to be separate...  
WO/2015/082375A1
The present invention relates to a process for carrying out endothermic, heterogeneously catalyzed reactions, which comprises the steps a) Carrying out the reaction in a reaction zone in the presence of a mixture comprising two types of ...  
WO/2015/075565A9
The present invention relates to a novel catalyst composition for catalytic cracking of hydrocarbon streams to enhance the yield of light olefins. The catalyst composition for the cracking of hydrocarbon feed streams to light olefins, co...  
WO/2015/075565A1
The present invention relates to a novel catalyst composition for catalytic cracking of hydrocarbon streams to enhance the yield of light olefins. The catalyst composition for the cracking of hydrocarbon feed streams to light olefins, co...  
WO/2015/067587A1
A process for facilitating the unloading of a fixed bed of cobalt/metal oxide catalyst particles from a reactor tube by (i) feeding a gas comprising 10 to 30 (vol/vol) percent of oxygen to the reactor tube with a GHSV for oxygen of 0.5 t...  
WO/2015/063217A1
A process for recovering heat from a high temperature flue gas from a catalyst regenerator comprising: a) regenerating a deactivated oxygenate to olefins conversion catalyst to produce regenerated catalyst and a high temperature flue gas...  
WO/2015/061129A1
The various embodiments relate to a system and method for regenerating a direct oxidation catalyst that coverts H2S to elemental S. One embodiment of the method comprises regenerating a direct oxidation catalyst by contacting the direct ...  
WO/2015/060251A1
A method for regenerating a carbonyl sulfide (COS) conversion catalyst for hydrolyzing COS which is contained in a gas obtained by gasifying a carbon material, comprising: immersing a spent COS conversion catalyst in an acid solution for...  
WO/2015/057313A1
A method of producing a hydrogenation catalyst, for example, a phthalate hydrogenation catalyst, comprising contacting a silica support having a medium pore size of at least about 10 nm with an acid to produce a treated silica support, a...  
WO/2015/057312A1
A method of preparing a hydrogenation catalyst, for example, a phthalate hydrogenation catalyst, comprising contacting a silica support having a median pore size of at least about 10 nm with a silylating agent to form an at least partial...  
WO/2015/057311A8
A method of preparing a hydrogenation catalyst, for example, a phthalate hydrogenation catalyst, comprising nebulizing a liquid containing a noble metal and a chelating agent comprising at least one nitrogen-containing functional group t...  
WO/2015/057311A1
A method of preparing a hydrogenation catalyst, for example, a phthalate hydrogenation catalyst, comprising nebulizing a liquid containing a noble metal and a chelating agent comprising at least one nitrogen-containing functional group t...  
WO/2015/051502A1
Disclosed is a method for regenerating a SCR denitration catalyst assisted by microwaves. The method comprises: (1) a poisoned SCR denitration catalyst is immersed in deionized water, and the SCR denitration catalyst is cleaned by a bubb...  
WO/2015/051266A1
A process for reactivating an iron-contaminated FCC catalyst is disclosed. The process comprises contacting the iron-contaminated FCC catalyst with an iron transfer agent. The iron transfer agent comprises a magnesia-alumina hydrotalcite...  
WO/2015/018807A3
The present invention relates to a process comprising the step of converting methane to ethene under non-oxidative conditions in the presence of a catalyst comprising (a) a zeolite with a largest pore opening which is larger than 8; (b) ...  
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...  

Matches 151 - 200 out of 6,237