Progress in High-Temperature Electrostatic Precipitation |
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Authors: | C C Shale |
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Institution: | Research Chemist, Bureau of Mines, U. S. Department of the Interior , Morgantown , W. Va , USA |
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Abstract: | Current-voltage relationships for negative corona are given for a pilot-scale electrostatic precipitator with 3-in. electrode spacing at 80°–1500°F and 35–80 psig. Direct comparison is made with the electrical characteristics for a 1-in. spacing at 1200°F over the same pressure range. Experimental results on both spacing agree well with electrostatic theory. Initial dust removal efficiencies for the pilot-scale precipitator ranged from 90 to 98% at 1460°F and 80 psig, but continuous operation was not achieved owing to excessive thermal expansion of the internal parts of the unit. |
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