Wahlco, Inc.

Joy Manufacturing Company

William E Archer

Method and apparatus for treating gases by passing said gases horizontally through a plurality of spray zones wherein the gases are contacted in each spray zone with scrubbing medium in a plurality of vertically disposed bays; utilizing a scrubbing medium of varied concentration or chemical reactivity between the adjacent spray zones and bays; combining and reamalgamating the spray medium and re-spraying said amalgamated medium in one or more spray zones and bays.

Gas cleansing means

An apparatus and method for monitoring electrode rapper operation in an electrostatic precipitator. The actual movement or impact of the hammer in an electrode rapper is sensed and a control signal is generated and transmitted to a monitor in response thereto in order to produce an immediate and accurate indication of rapper failure.

Rapper monitor

A gas conditioning means and more particularly a gas conditioning means incorporating an improved method of providing sulfur trioxide for injection into a flue gas stream.

Gas conditioning means

A gas cleansing apparatus and more particularly an electrostatic precipitating apparatus having improved discharge electrode means therein.

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Huntington Beach, CA, United States of America

William E Archer