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9040653 Ring-opening polymerization of cyclic compounds catalyzed by carbene derivatives  
This disclosure provides methods of controlled polymerization of cyclic compounds catalyzed by carbene derivatives having a general formula as shown below, and to obtain a biodegradable polymeric...
9029281 Method for restoring activity to a spent hydroprocessing catalyst, a spent hydroprocessing catalyst having restored catalytic activity, and a hyrdoprocessing process  
A regenerated spent hydroprocessing catalyst treated with a chelating agent and having incorporated therein a polar additive.
8951928 Method for regenerating an adsorber or absorber  
A method for regenerating an adsorber or absorber on board a submarine, wherein the adsorber or absorber is present in the interior of the submarine for binding metabolically generated...
8932454 Mesoporous Y hydrocracking catalyst and associated hydrocracking processes  
This invention relates to the composition, method of making and use of a hydrocracking catalyst that is comprised of a new Y zeolite which exhibits an exceptionally low small mesoporous peak...
8877668 Process to reduce catalyst fluidization in regeneration units  
The invention involves a process that reduces the potential for catalyst fluidization in a reduction vessel of a continuous catalyst regeneration system. The gas exit area from the catalyst...
8877667 Process for regenerating a catalyst  
The invention relates to a process for regenerating catalysts containing mixed oxides from the group of alkali metal and/or alkaline earth metal oxides, aluminium oxide and silicon oxide,...
8871665 Method of regenerating NOx removal catalyst and method of operating heavy-oil fired combustion apparatus  
The method includes a pretreatment step during an operation of a boiler in which in a predetermined period of time before shutdown of the boiler, a part of combustion gas that has bypassed an...
8865608 Turndown thermocompressor design for continuous catalyst recovery  
Systems and processes for regenerating catalyst are provided herein that include a catalyst regeneration tower having a cooling zone that receives a catalyst cooling stream generated by a cooling...
8835340 Method for regeneration of exhaust gas treatment catalyst, and exhaust gas treatment cataylst produced using the method  
A regenerated exhaust gas treatment catalyst (17) can be produced by coarsely grinding a used exhaust gas treatment catalyst (11); separating a coarsely ground material into coarse pieces (12) and...
8822364 Method for treating a platinum contaminated catalytic component  
An example method includes determining that a selective catalytic reduction (SCR) component having a zeolite-based catalyst is contaminated with platinum (Pt). The method further includes...
8785341 Method of regenerating exhaust gas treatment catalyst and exhaust gas treatment catalyst obtained by the method  
Provided is a method of regenerating an exhaust gas treatment catalyst 11 having ash adhered to a surface thereof. The method includes a crushing step S1 in which the exhaust gas treatment...
8765622 Recovery of slurry unsupported catalyst  
A method of recovering unsupported fine catalyst from heavy oil comprises combining a slurry comprising unsupported fine catalyst in heavy oil with solvent to form a combined slurry-solvent...
8722558 Process for producing regenerated hydrotreating catalyst and process for producing petrochemical product  
Provided is a process for producing a regenerated hydrotreating catalyst by regenerating a spent hydrotreating catalyst in a prescribed temperature range, wherein the prescribed temperature range...
8722559 Method of suppressing increase in SO2 oxidation rate of NOx removal catalyst  
In a NOx removal catalyst used for removing nitrogen oxide in flue gas, when a silica (Si) component as an inhibitor that causes an increase in an SO2 oxidation rate accumulates on a surface of...
8722556 Recovery of slurry unsupported catalyst  
A method of recovering unsupported fine catalyst from heavy oil comprises combining a slurry comprising unsupported fine catalyst in heavy oil with solvent to form a combined slurry-solvent...
8716160 Method of activating a Fischer-Tropsch catalyst  
This invention relates to the field of Fischer-Tropsch catalysis, in particular to activation of a Fischer-Tropsch catalyst. More particularly the invention relates to a method of activating an...
8664139 Desulfurization method for LNT system  
A desulfurization method of a nitrogen oxide absorption catalyst when diesel is used may include determining how many times a regeneration of a diesel particulate filter (DPF) is completed, ending...
8623777 Process for rejuvenating a catalyst composition  
This disclosure relates to a method for rejuvenating a catalyst, comprising contacting the catalyst with a gaseous feedstock at rejuvenation conditions for at least one hour to form a rejuvenated...
8540810 Regenerable adsorption unit  
An adsorption unit comprising an adsorbent hollow fiber in which the fiber includes an active component and means for transmitting heat.
8466079 On-board fuel desulfurization unit  
A method for regenerating at least one impurity-adsorbing sorbent bed includes passing impurity-containing fluid through the impurity-adsorbing bed. The impurity-adsorbing sorbent bed adsorbs an...
8435916 Catalyst comprising platinum black and fluorine  
The invention aims at providing a platinum black material, without using an expensive and rare material, which is excellent in CO poisoning inhibiting effect, H2S poisoning inhibiting effect, SO4...
8314043 Process for the regeneration of a Fischer-Tropsch catalyst  
A process is disclosed for the regeneration of a deactivated wax covered Fischer-Tropsch catalyst, a pumpable suspension of deactivated catalyst being injected into a hot gas stream and the...
8293670 Process for the production of propylene  
A process for catalyst regeneration is presented. The process regenerates a catalyst in a paraffin dehydrogenation process, where the reaction is endothermic. The regeneration process provides the...
8278234 Process for the regeneration of catalysts for the treatment of hydrocarbons  
A subject-matter of the present invention is a process for the regeneration of a catalyst comprising at least one metal from Group VIII and at least one metal from Group VIB which are deposited on...
8178741 Method and apparatus for regenerating catalyst during oxygenates to olefins reaction  
Disclosed herein is a method of recovery of the activity of a molecular sieve catalyst following use of the catalyst in an OTO conversion process. This is achieved by a regeneration apparatus and...
8178461 Thermal treatment processes for spent hydroprocessing 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...
8071497 Process and facility for removing one or more compounds  
One exemplary embodiment is a refinery or a petrochemical production facility. The refinery or petrochemical production facility can include: a) a catalyst regeneration zone;b) a halogen removal...
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...
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...
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...
8003561 Fuel cell  
The invention aims at providing a platinum black material, without using an expensive and rare material, which is excellent in CO poisoning inhibiting effect, H2S poisoning inhibiting effect, SO4...
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...
7947114 Carbon membranes  
A process for the production of a carbon membrane comprising: (i) reacting a mixture of cellulose and hemicellulose with an acid; (ii) casting the mixture to form a film, (iii) drying said film;...
7943544 Method of recycling spent flue gas denitration catalyst  
The present invention provides a method of recycling a spent flue gas denitration catalyst and a method of determining a washing time of the spent flue gas denitration catalyst. The method of...
7902101 Process for regenerating catalyst  
Disclosed is a process for disengaging regenerated catalyst from flue gas in a catalyst regenerator so as to avoid re-entrainment of catalyst that has settled into a bed in the catalyst...
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...
7811967 Method of preparing catalyst support from a waste catalyst  
A method of preparing, preferably recycling, a catalyst support material is disclosed and is particularly applicable to recycling a titania support. The invention includes crushing the used...
7799720 Method of regenerating carbon dioxide gas absorbent  
A method of regenerating a carbon dioxide gas absorbent includes heating a carbon dioxide gas absorbent containing lithium silicate, which has been absorbed a carbon dioxide gas, under a reduced...
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...
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...
7754933 Rejuvenating deactivated molecular sieve  
This invention is directed to a method of rejuvenating a molecular sieve that has decreased catalytic activity as a result of contact with moisture, and a method of using the rejuvenated catalyst...
7745366 Microwave spent catalyst decoking method  
The microwave spent catalyst decoking method is a method for regenerating petrochemical catalysts by removing coke deposited in the catalyst using a 2.45 GHz microwave oven. The spent catalyst is...
7737068 Conversion of fine catalyst into coke-like material  
A process for recovering catalytic metals from fine catalyst slurried in heavy oil comprises pyrolizing fine catalyst slurried in heavy oil to provide one or more lighter oil products and a...
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...
7723251 Method of regeneration of SCR catalyst  
A method of regeneration of a SCR catalyst for use in a power plant facility burning fossil fuels, bio-based fuels, or a combination thereof, wherein poisons are removed from the catalyst. The...
7696120 Method of restoring catalytic activity to a spent hydroprocessing catalyst, a spent hydroprocessing catalyst having restored catalytic activity, and a hydroprocessing process  
Disclosed is method for restoring catalytic activity to a hydroprocessing catalyst that has become spent due to its use or to the deposition of carbon thereon. The method includes a carbon...
7695702 Optimization of amine regeneration system start-up using flash tank pressurization  
A system for optimizing operation of an amine regeneration system comprising a flash tank, a rich/lean heat exchanger, a still, a reflux condenser, a reflux accumulator, a pump, a reboiler, and a...
7687675 Stabilizing catalyst activity during catalyst regeneration  
This invention is directed to methods of converting oxygenates to olefin products. The methods provided include steps for protecting against deactivation of active molecular sieve catalysts during...
7645433 Optimization of reflux accumulator start-up in amine regeneration system  
A system for optimizing start-up of an amine regeneration system comprising a rich/lean heat exchanger, a still, a reflux condenser, a reflux accumulator, a pump, a reboiler, and a reflux...
7641874 Microwave induced destruction of impurities from biogas and nitrogen oxides from engine exhaust  
Granulated Activated Carbon (GAC) is used to remove hydrogen sulfide (H2S) from the biogas produced in an anaerobic digester. The cleaned biogas is then combusted in a reciprocating engine. The...

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