Invention Grant
US08968430B2 Dewatering system and process for increasing the combined cycle efficiency of a coal powerplant 有权
脱水系统和提高煤机组合循环效率的过程

Dewatering system and process for increasing the combined cycle efficiency of a coal powerplant
Abstract:
A process for treating coal includes contacting the coal with a leaching agent configured to remove a mineral from the coal; forming a wastewater stream comprising water and a concentration of a contaminant; and contacting the wastewater stream with a first side of a reverse osmosis membrane under pressure, wherein a permeate stream comprising a reduced concentration of the contaminant permeates the reverse osmosis membrane and flows from a second side of the reverse osmosis membrane, and a concentrate stream comprising an increased concentration of the contaminant is retained on the first side of the reverse osmosis membrane.
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