Encyclopedia of Environmental Science and Engineering, Volume I and II

292 ELECTROSTATIC PRECIPITATION

TABLE 1

Power plant

Coal-fired

boiler

Power plant

Coal-fired

boiler

Power plant

Coal-fired

boiler

Paper

mill Lime

reburning

Steam boiler

Stoker with

lime stone

Cement Plant

Kiln

Cement Plant

Kiln

Esp make Walther FLS miljφ FLS miljφ FLS miljφ FLS miljφ FLS miljφ FLS miljφ

Resistivity level High Medium Medium Low High High High

Energy savings 90% 91% 64% 84% 78% 70% 65%

Emission reduction 25% 33% 7% 0% 65% 57% 47%

FABRIC FILTER *

COLLECTION EFFICIENCY (%)

99.99

99.98

99.95

99.90

99.80

99.00

95.00

90.00

99.50

98.00

.5 (^125102050)
OPACITY %
CLEAR
STACK
UPGRADED PRECIPITATOR
SUSTAINED LOAD
FIGURE 14 Ravenswood Unit 3 plume opacity as a function of particulate collection system efficiency.^5
C005_005_r03.indd 292C005_005_r03.indd 292 11/18/2005 10:22:05 AM11/18/2005 10:22:05 AM