METHOD AND SYSTEM FOR THE CATALYTIC CLEANING OF EXHAUST GAS
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Jun 5, 2015
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Jun 10, 2014
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A method of closed-loop control of a catalytic operation to clean offgas from a plant for processing of a raw material may involve determining an offgas composition downstream of a catalyst and varying an entrance temperature of the offgas entering the catalyst based on the determined composition. By varying the entrance temperature, the offgas composition downstream of the catalyst may be brought or maintained within a target range. A plant for performing such methods may include a processing apparatus for a raw material that produces an offgas, a catalyst, a measuring apparatus for determining a composition of the offgas downstream of the catalyst, a temperature-affecting apparatus for varying the entrance temperature of the offgas entering the catalyst, and a closed-loop control apparatus that actuates the temperature-affecting apparatus based on the composition of the offgas downstream of the catalyst.
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