Apollo Technologies, Inc.

Eric Darmstaedter

Raymond Jaworowski

Cliff D Barton

William Taylor

The effectiveness of electrostatic precipitators, and particularly existing electrostatic precipitator installations, is enhanced by introducing into the gas stream in advance of the precipitator a spark-inhibiting additive, and then increasing the voltage applied to the precipitator over that which otherwise could be applied. The spark-inhibiting additive is preferably an ammonium salt introduced into the gas stream at a relatively low temperature and preferably in combination with the introduction into the gas stream at a relatively higher temperature of known conditioning additives from the group consisting of sodium bisulphate, ammonium bisulphate, ammonium sulphate and mixtures thereof. An existing installation in which, typically, a single power source energizes a plurality of precipitator cells because of the limiting nature of the sparking characteristics then operative, through the use of this method can be converted to an installation having a marked increase in precipitator efficiency without any additional capital investment other than providing an increased number of power sources so that all or a substantial number of the precipitator cells are provided with individual power sources.

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Dallas, TX, United States of America

Eric Darmstaedter