Research on Zero Liquid Discharge FGD Wastewater Treatment Technology in Coal-fired Power Plant
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Abstract
Flue gas desulfurization (FGD) with high content of salinity and heavy metals is the most criticial pollutant of concern in power plant, this paper introduced its characteristics and the main technologies that used in nowdays. Amony all of these technologies, reverse osmosis treatment, bypass flue gas evaporation technology with crystallizer and bypass flue gas evaporation technology with concentrator are the three promising technolgies. By mean of comparing their technical performances and costs, bypass flue gas evaporation technology with concentrator is the most promising technology because of its lower investment and operating costs, smaller footprint and more environmental friendly.
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