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HPD to supply salt production and caustic facility to Shintech

By Gerald Ondrey |

Shintech Inc., a wholly owned subsidiary of Shin-Etsu Chemical Co., Ltd. of Japan, has selected HPD (Plainfield, Ill.), a Veolia Water Solutions & Technologies (www.veoliawater.com) company, to supply a salt crystallization plant and a caustic soda concentration system as part of the expansion of their production facility in Plaquemine, Louisiana. This is the second system of its kind supplied by HPD at this location and like the first salt plant, will utilize the largest, single-stage evaporated salt crystallizer in the world. HPD will provide, on a design-build basis, a complete salt production plant and caustic soda evaporation system including construction, engineering, installation of major and ancillary equipment, foundations and pilings, structural steel, instrumentation, and commissioning support. At the heart of the system will be a single-stage, mechanical vapor recompression (MVR) evaporated salt crystallizer that will produce a nameplate capacity of 820,000 tons/yr of sodium chloride. The ultra-pure salt will be utilized in the new chlor-alkali plant. Membrane grade caustic soda will then be concentrated from 32 to 50 wt.% in a triple-effect evaporation system.   Shintech’s expansion will double the output…
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