Energy-Efficient Forward Osmosis for FGD Wastewater Volume Minimization [electronic resource]

• Ngôn ngữ: eng
• Ký hiệu phân loại: 628.16 Testing, analysis, treatment, pollution countermeasures
• Thông tin xuất bản: Washington, D.C. : Oak Ridge, Tenn. : United States. Office of the Assistant Secretary of Energy for Fossil Energy ; Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy, 2020
• Mô tả vật lý: Medium: ED : , digital, PDF file.
• Bộ sưu tập: Metadata
• ID: 267876
• Chủ đề: 1. 01 coal, lignite, and peat; 2. 20 fossil-fueled power plants; 3. Forward osmosis, fgd wastewater, wastewater recovery, zld, power plant wastewater recovery

Tóm tắt

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 ofFGDWW with an estimated capital costs of $6.25 Million and a variable cost of $4.35/m3 of wastewater treated.