Energy-Efficient Forward Osmosis for FGD Wastewater Volume Minimization
Rajagopalan, Nandakishore; Zhang, Xuesong; del Cerro, Martina; Chandrasekaran, Sriraam R; Patel, Vinod A
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https://hdl.handle.net/2142/113420
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Title Energy-Efficient Forward Osmosis for FGD Wastewater Volume Minimization Author(s) Rajagopalan, Nandakishore Zhang, Xuesong del Cerro, Martina Chandrasekaran, Sriraam R Patel, Vinod A Issue Date 2020-11-09 Keyword(s) Coal-fired power plants -- Wastewater treatment Aquapod Forward osmosis Abstract A variant of forward osmosis, the Aquapod© process, was shown to be capable of concentrating FGDWW five-fold without the need for softening. The thermal and electrical energy consumption per unit of water produced was estimated to be 190 kJ/kg and ~2.2 kWh/m3, respectively. The FO process, in conjunction with a spray dryer, can achieve ZLD of 100 gpm of FGDWW with an estimated capital costs of 6.25 MillionUSD and a variable cost of 4.35USD/m3 of wastewater treated. Publisher U.S. Department of Energy Series/Report Name or Number Conference: The International Water Conference - 2020. November 09 to 11, 2020. All Virtual Energy Efficient Waste Heat Coupled Forward Osmosis for Effluent Water Management at Coal-Fired Power Plants Type of Resource text Language en Permalink http://hdl.handle.net/2142/113420 Sponsor(s)/Grant Number(s) U.S. Department of Energy. National Energy Technology Laboratory ; DE-FE0031551
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