Mitsubishi Hitachi Power Systems Environmental Solutions, Ltd.

Mitsuaki Nishitani

Yasutoshi Ueda

Kenji Matsuura

Shiro Suzuki

Tooru Nishiyama

A wet-type electric dust collection device and low-concentration SOmist containing, in which the wet-type electric dust collection device has an electrical field formation part in which a plurality of discharge electrodes are provided on opposing surfaces of a first electrode and second electrodes for forming a DC electrical field. The discharge electrodes of the first electrode and the discharge electrodes of the second electrodes generate corona discharges that are reversed in polarity relative to each other. The gas containing the SOmist and the dust is guided to the electrical field formation part without electrically charging the SOmist and the dust or spraying a dielectric in the gas, and while the gas flows between the electrodes, the corona discharges impart electric charges of alternately reversed polarity to the SOmist and the dust. The first electrode and the second electrodes collect the charged SOmist and dust.

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Kobe, Japan

Mitsuaki Nishitani