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8178460 |
Exhaust treatment system and method of operation
An exhaust treatment method is provided. Method of increasing activation of NOx reduction catalyst using two or more reductant is discussed. The NOx catalyst is disposed to receive both the exhaust...
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8173567 |
Process for regenerating catalyst
Disclosed is a catalyst distributor and process for spreading catalyst over a regenerator vessel. Nozzles disposed angular to a header of the distributor spread catalyst throughout a full cross...
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8119551 |
Zeolite catalyst with deposited germanium, aluminum and platinum for aromatization of alkanes, process of making and process of using thereof
The present invention is for a catalyst, a process for making the catalyst and a process for using the catalyst in aromatization of alkanes having three to five carbon atoms per molecule, such as...
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8114802 |
Heavy oil upgrade process including recovery of spent catalyst
A process to upgrade heavy oil and convert the heavy oil into lower boiling hydrocarbon products is provided. The process employs a catalyst slurry comprising catalyst particles with an average...
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8101145 |
Exhaust treatment system and method of operation
An exhaust treatment system is provided. Method of increasing activation of NOx reduction catalyst using two or more reductant is discussed. The exhaust treatment system includes an exhaust source,...
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8082878 |
Thermal evaporation apparatus, use and method of depositing a material
Thermal evaporation apparatus for depositing of a material on a substrate, comprising material storage means; heating means to generate a vapor of the material in the material storage means; vapor...
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8080224 |
Catalyst for the conversion of carbon monoxide
Use of a catalyst composition comprising a metal selected from the group consisting of ruthenium, rhodium, nickel and combinations thereof, on a support selected from the group consisting of a...
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8062507 |
Stripping process with multi-sloped baffles
A process for stripping gases from catalyst material in which catalyst travels down baffles at a first acute angle and then at a second acute angle on the same baffle. Traveling down the baffle at...
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8007660 |
Reduced puffing needle coke from decant oil
A reduced puffing needle coke is formed from decant oil, which includes a lesser amount of nitrogen within the coke so that carbon articles produced from such coke experience minimal expansion upon...
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8007658 |
Reduced puffing needle coke from coal tar
A reduced puffing needle coke is formed, which includes a lesser amount of nitrogen within the coke so that carbon articles produced from such coke experience minimal expansion upon heating to...
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8007659 |
Reduced puffing needle coke from coal tar distillate
A reduced puffing needle coke is formed, which includes a reduced nitrogen content within the coke so that the coke particles do not experience as much puffing during the formation of graphitized...
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7998893 |
Treatment of air to a catalyst regenerator to maintain catalyst activity
The invention relates to a conversion process for making olefin(s) using a molecular sieve catalyst composition. More specifically, the invention is directed to a process for converting a feedstock...
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7985704 |
Method of regenerating absorbent
A method of regenerating an absorbent includes preparing a reactor having a gas inlet portion and a discharge portion, filling the reactor with a reforming catalyst and an absorbent for absorbing...
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7981825 |
Fuel cell catalyst regeneration
Systems and methods that facilitate operating proton exchange membrane (PEM) fuel cells are provided. The methods can involve contacting a reducing agent comprising a mixture of hydrogen and...
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7981832 |
Methods of activating chromium catalysts
New methods for activating chromium catalysts for polymerization processes decrease the amount of time required for activation and increase catalyst activity. Rapid heating to a first temperature...
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7968068 |
Zeolite catalyst with improved NOx reduction in SCR
The present invention is directed to a novel metal-promoted zeolite catalyst, a method of producing the catalyst and a method of using the catalyst for the selective catalytic reduction of NOx with...
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7964168 |
CO2 capture method with thermal integration of regenerator
The CO2 contained in combustion fumes is captured by carrying out at least the following steps in combination: a) a fuel is burned, producing combustion fumes;b) the fumes are placed in contact...
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7960303 |
Microwave induced destruction of siloxanes and hydrogen sulfide in biogas
The invention is an apparatus and method to remove hydrogen sulfide and siloxanes from biogas and destroy the contaminants in microwave reactors. Hydrogen sulfide and siloxane are removed from...
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7951739 |
Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking units
An improved spent catalyst regenerator which contains sub-troughs branching off from the main trough, distribution troughs which extend outward from the sides of the main trough and the...
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7951740 |
Method of inhibiting in situ silicate formation in desulfurization sorbents
A method for regenerating desulfurization sorbents that minimizes the in situ formation of one or more silicates. It has been discovered that regenerating sulfur-laden sorbent particles in a carbon...
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7897827 |
Propylene recovery during regeneration of an oxygenate removal unit
Processes and systems are disclosed that relate to the removal of impurities and separation the light olefins from an MTO product vapor stream. Specifically, the processes and systems relate to...
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7884045 |
Regeneration of ionic liquid catalyst and recovery of an oil
A process for regenerating a used acidic ionic liquid catalyst, comprising: a. contacting the catalyst and hydrogen with a supported hydrogenation catalyst under hydrogenation conditions; and b....
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7884048 |
Adsorption composition and process for removal of CO from material streams
Carbon monoxide is removed from streams by adsorption on an adsorption composition which comprises copper, zinc and zirconium oxides and whose copper-comprising component has a degree of reduction,...
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7847142 |
HF alkylation process with acid regeneration
The regeneration of HF alkylation acid in an alkylation unit is improved by withdrawing a vapor stream from the HF regenerator tower and condensing the stream to form a liquid fraction which is...
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7807597 |
Regeneration of ionic liquid catalyst using a regeneration metal in the presence of added hydrogen
A process for regenerating a used acidic ionic liquid catalyst comprising contacting the used ionic liquid catalyst with at least one ‘regeneration’ metal in a regeneration zone in the presence of ...
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7781361 |
Method for regeneration of activated carbon catalyst beds
Disclosed are methods and systems for regenerating mercury loaded activated carbon honeycomb catalyst beds. In one embodiment, the regeneration methods and systems disclosed herein can enable a...
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7781368 |
Adsorption composition and method of removing CO from streams
Carbon monoxide is removed from streams by adsorption on an adsorption composition which comprises copper, zinc and zirconium oxides and whose copper-comprising component has a degree of reduction,...
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7781362 |
Method for protecting catalyst against contaminant ingress
Degradation of catalyst activity for silicoaluminophosphate catalysts is minimized for oxygenate-to-olefin reaction systems that are exposed to airborne salt concentrations above a threshold value....
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7758820 |
Apparatus and process for regenerator mixing
Apparatus and process is provided for increasing mixing in a regenerator. Streamlines of gas and some catalyst may form in a regenerator as a result of cyclone inlet horns positioned in the same...
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7754370 |
Fuel cell catalyst material, fuel cell electrode, membrane-electrode assembly, fuel cell, fuel cell catalyst material manufacturing method, and fuel cell electrode manufacturing method
This invention provides a fuel cell catalyst material containing catalyst particles having a composition substantially represented by ATxNu (1) wherein A contains Pt or Pt and at least one noble...
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7749762 |
Test methods for simulating FCC regenerator catalysis and catalyst deactivation
A method for testing the performance of catalysts used for conversion of FCC regenerator gases comprises subjecting the catalyst simultaneously to a mixture of gases including an oxidizing gas and...
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7745364 |
Process for regenerating catalyst for a hydrocarbon conversion zone
In one exemplary embodiment, a process for regenerating a hydrocarbon conversion catalyst for a hydrocarbon conversion zone can generally include passing the hydrocarbon conversion catalyst...
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7744824 |
On-board fuel desulfurization unit
The athermal sorbent bed regeneration system of the present invention includes a main fuel supply, at least one sorbent bed, a source of microwave energy, and a secondary fuel supply. The main fuel...
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7745365 |
Bathtub-type spent catalyst distributor for effective counter-current regeneration in fluid catalytic cracking units
An improved spent catalyst regenerator which contains sub-troughs branching off from the main trough, distribution troughs which extend outward from the sides of the main trough and the...
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7727380 |
Process for heating regeneration gas
Disclosed is a process for combusting dry gas to heat the air supplied to an FCC regenerator to increase its temperature and minimize production of undesirable combustion products. Preferably, the...
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7704475 |
Zeolite catalyst with improved NOx reduction in SCR
The present invention is directed to a novel metal-promoted zeolite catalyst, a method of producing the catalyst and a method of using the catalyst for the selective catalytic reduction of NOx with...
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7655589 |
Process and apparatus for the regeneration of spent FCC catalyst
Disclosed is an improved regeneration process and system for the regeneration of a spent FCC catalyst in a regenerator without vertical partitions by introducing different fluidization gas streams...
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7629287 |
Reclamation of a titanosilicate, and reconstitution of an active oxidation catalyst
A method of reclaiming a titanosilicate from a deactivated or spent oxidation catalyst containing a titanosilicate having deposited thereon one or more catalytic metals, such as gold, and...
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7622412 |
Method for regenerating a hydrogenation catalyst
A process for regenerating a hydrogenation catalyst which has been used in a gas-phase hydrogenation, which comprises stripping at from 50 to 300° C. with a substance or a substance mixture which ...
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7615510 |
Methods of activating chromium catalysts
New methods for activating chromium catalysts for polymerization processes decrease the amount of time required for activation and increase catalyst activity. Rapid heating to a first temperature...
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7611681 |
Process for the regeneration of a catalyst plant and apparatus for performing the process
A gas stream containing e.g. molecular hydrogen is used for the regeneration of a catalyst for NOx and SO2 removal from the flue gas of a gas turbine. In order to reduce the consumption of...
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7595033 |
Regeneration of nt-scr catalysts
A process and device for purifying flue gases in refuse incineration plants during regeneration of a catalyst which serves for reducing nitrogen oxides, by, in a first step, removing acidic...
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7592283 |
Method of regenerating honeycomb type SCR catalyst by air lift loop reactor
Provided is a method of regenerating a honeycomb type SCR catalyst which is used in selective catalytic reduction (SCR), comprising treating a waste honeycomb type SCR catalyst used in an...
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7585803 |
Catalyst regeneration method
A method of operating a continuous system for a catalyst regeneration process wherein the regeneration section includes a combustion zone, at least one oxygen boost zone, a halogenation zone and a...
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7569194 |
Waste heat energy recovery method and system
The current invention provides methods and apparatus for integrating a high temperature waste heat recovery system with a chemical or refining process which requires heat energy at a temperature...
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7563423 |
Method and apparatus for catalyst regeneration
The present invention relates to the regeneration of a SOx removal catalyst (14) and a NOx reducing catalyst (12). Additionally, this invention relates to the reduction or elimination of sulfur...
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7550641 |
Methods for recovering activity of molecular sieve catalysts
The invention is directed to a method of rejuvenating silicoaluminophosphate molecular sieve catalyst that has been deactivated hydrothermally as well as a method of using the rejuvenated catalyst...
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7517500 |
Process and apparatus for upgrading FCC product with additional reactor with thorough mixing
A process and apparatus are disclosed contacting hydrocarbon feed with catalyst in a reactor vessel under conditions more vigorous than bubbling bed conditions and preferably fast fluidized flow...
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7511080 |
Process for the activation of a catalyst comprising a cobalt compound and a support
A process for the preparation of a catalyst which comprises activating a catalyst precursor comprising a cobalt compound and a support with a gas comprising at least 5 mol % of a hydrocarbon.
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7491369 |
Oxidation system with internal secondary reactor
Disclosed is an optimized process and apparatus for more efficiently and economically carrying out the liquid-phase oxidation of an oxidizable compound. Such liquid-phase oxidation is carried out...
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