Abstract: An activated carbon catalyst is described which is sufficiently active in the presence of catalytic poisons in crude gas to convert nitrogen oxides to nitrogen in the presence of ammonia.
Abstract: Process for producing activated carbon having a high catalytic activity, in which a carbonaceous material is brought into contact with nitrogen compounds, wherein the carbonaceous material is partially gasified with a mixture of steam, nitrogen and CO2 at temperatures above 800° C. in a manner known per se in a multistage fluidized bed and wherein a nitrogen compound is added into the furnace and/or at least one stage of the multistage fluidized bed.
Type:
Grant
Filed:
September 13, 2007
Date of Patent:
July 16, 2013
Assignee:
CarboTech AC GmbH
Inventors:
Klaus-Dirk Henning, Wolfgang Bongartz, Nicolai Daheim, Thomas Scharf
Abstract: Process for producing activated carbon having a high catalytic activity, in which a carbonaceous material is brought into contact with nitrogen compounds, wherein the carbonaceous material is partially gasified with a mixture of steam, nitrogen and CO2 at temperatures above 800° C. in a manner known per se in a multistage fluidised bed and wherein a nitrogen compound is added into the furnace and/or at least one stage of the multistage fluidised bed.
Type:
Application
Filed:
September 13, 2007
Publication date:
February 11, 2010
Applicant:
CARBOTECH AC GMBH
Inventors:
Klaus-Dirk Henning, Wolfgang Bongartz, Nicolai Daheim, Thomas Scharf
Abstract: An activated carbon catalyst is described which is sufficiently active in the presence of catalytic poisons in crude gas to convert nitrogen oxides to nitrogen in the presence of ammonia.
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