The Babcock & Wilcox Company

Edward A Pirsh

William Downs

Stephen S Strom

David M Marshall

Jack F Stewart

Joseph A Barsin

A filter house (12) employing a selective catalytic reduction process for removing NO.sub.x emissions from a flue gas stream while simultaneously filtering out and collecting entrained particulate matter from the stream. Accordingly, the filter house (12) includes flue gas inlet and outlet passages (18, 30) and a plurality of porous filter bags. The bags are treated with a suitable catalyst to facilitate the selective catalytic reduction process.

Filter house having catalytic filter bags for simultaneously removing

A gas-liquid contact system for absorption of gaseous contaminants in an absorptive liquid where contact is attained by controlled flow relation between the gas and liquid forming a fluidized liquid mass for intimate contact between gas and liquid.

Gas-liquid contact system

Filter house and method for simultaneously removing NO.sub.x and

An apparatus and method whereby fuel is burned in serially connected furnaces under controlled combustion temperature and airflow conditions so as to inhibit the formation of nitric oxides while achieving complete combustion of the fuel.

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Akron, OH, United States of America

Edward A Pirsh