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| Application No. | Application Title | Issue Date |
| 20120053046 | METHOD FOR TREATING SCR CATALYSTS HAVING ACCUMULATED IRON COMPOUNDS The present disclosure relates to methods for treating deactivated SCR catalysts having an increased SO2/SO3 conversion rate as a result of the accumulation of one or more iron compounds. The methods are characterized in that the catalysts are trea... | 03/01/2012 |
| 20120040821 | PROCESS FOR IN-SITU CLEANING OF DRINKING WATER FILTRATION MEDIA The present invention provides a process to clean water filtration media in a filtration bed. The process includes applying a granular cleaner to the water filtration media and applying an activator to the water filtration media. This causes a chemical reaction between ... | 02/16/2012 |
| 20110160040 | METHOD FOR REMOVING CALCIUM MATERIAL FROM SUBSTRATES This invention is directed to a method for removing calcium material from a substrate or catalytic converter. In particular, this invention is directed to a method for removing calcium material, particularly in the form of calcium-containing fly ash, from a substrate us... | 06/30/2011 |
| 20110143917 | PROCESS FOR REGENERATING A CATALYST A process for regenerating one or more deactivated cobalt comprising Fischer-Tropsch catalyst particle(s), comprising the steps of: (i) oxidising the catalyst particle(s) at a temperature between 20 and 400° C.; (ii) treating the catalyst particle(s) for more than 5 mi... | 06/16/2011 |
| 20100305365 | REGENERATION OF ACIDIC ION EXCHANGERS The invention relates to a method for regenerating acidic cation exchangers, which are used as catalysts in the reaction of phenols with aldehydes or ketones to give bisphenols, in particular to give bisphenol A, with acids, with the proviso that, in the method accordin... | 12/02/2010 |
| 20100160146 | PROCESS FOR REGENERATING A CATALYST A process for regenerating one or more deactivated cobalt comprising Fischer-Tropsch catalyst particle(s) in situ in a reactor tube, said process comprising the steps of: (i) oxidising the catalyst particle(s) at a temperature between 20 and 400° C.; (ii) treating the ... | 06/24/2010 |
| 20100105540 | PROCESS FOR THE REGENERATION OF CATALYSTS FOR THE TREATMENT OF HYDROCARBONS The present invention provides 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 a refractory oxide support, comprising:
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| 20100093517 | METHOD OF REGENERATING USED CATALYST [Problem] Provided is a method for regenerating a catalyst, the method decreasing the SO2 oxidation rate, which has been increased by Fe and V compounds, of a spent denitration catalyst to an extremely low level, and improves the oxidation activity of the cat... | 04/15/2010 |
| 20090291823 | METHOD FOR REGENERATION IRON-LOADED DENOX CATALYSTS The invention relates to a method for regenerating denox catalysts having an increased SO2/SO3 conversion rate as a result of the cumulation of iron compounds, and is characterized in that the catalysts are treated with an essentially aqueous acid ... | 11/26/2009 |
| 20070167309 | PROCESS FOR REGENERATING A SPENT SORBENT A method and apparatus is provided for regenerating a sorbent that has been poisoned by components derived from flue gas. The sorbent is treated with an agent to remove the poisoning components and introduce a promoting agent into the sorbent. The method and apparatus c... | 07/19/2007 |
| 20060116275 | Process for removing and regenerating a double metal cyanide (dmc) catalyst from a polymer polyol A method of removing and reclaiming a double metal cyanide (DMC) catalyst from a polyol is disclosed. A polymeric acid that is soluble in the polyol is introduced into the polyol during or after the polymerization reaction. The polymeric acid reacts with the double meta... | 06/01/2006 |
| 20050192176 | Denitrification catalyst regeneration method A denitrification catalyst regeneration method comprises heat-treating a used denitrification catalyst, then cleaning the denitrification catalyst with an aqueous solution of oxalic acid, and then finish washing the denitrification catalyst with water to regenerate the ... | 09/01/2005 |
