Air Pollution Control Equipment Services, Coal

Dry scrubber technology to be supplied by Hitachi unit

Hitachi Power Systems America Ltd., a subsidiary of Hitachi America Ltd., signed a license agreement with Solios Environment Inc. to design and supply Enhanced All-Dry (EAD) Scrubber technology. Financial terms of the deal were not disclosed.

The EAD Scrubber technology is a circulating semi-dry scrubber technology developed by Solios in the 1980s that has been widely applied in industrial sectors. It removes sulfur dioxide (SO2) as well as sulfur trioxide (SO3), HCl, mercury and particulate matter from flue gas. Reactions occur in an entrained-flow, open vertical absorber that is preferred over more complex fluidized bed processes. By separating the reagent humidification and sulfur capture steps, this system is made to be simple and reliable.

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