Kramer station fabric filter evaluation. Final report

TL;DRAbstract

This report presents the results of an extensive evaluation of the fabric filtration system (baghouses) located at the Kramer Station of the Nebraska Public Power District. These retrofit units represent the first baghouse application to western low-sulfur, subbituminous, pulverized coal-fired utility boilers. The performance evaluation emphasized fine particulate and trace element removal, but also included an engineering and economic analysis. The emission characterization consisted of a three phase field performance test program including (1) baghouse as-found tests; (2) diagnostic tests to determine an improved baghouse cleaning cycle; and (3) fine particle - trace element emission evaluations with a preferred cleaning cycle in effect. The overall collection efficiency with the preferred cleaning cycle at full load ranged from 99.8 to 99.9 percent, with associated outlet particle emissions of less than 0.003 lb/10/sup 6/ Btu. The stack plume was invisible during all tests with a ty

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