201061 · Abstract Gypsum from power plant flue gas desulphurization units (FGD gypsum) is a combustion by-product produced in high quantities. In this paper, gypsum panels composed of 100% FGD gypsum from two power plants have been subjected to different physico-chemical (density, pH, humidity), mechanical (flexural and compressive …
view moreAbstract Wet flue gas desulphurization (FGD) plants with forced oxidation, installed at coal and oil fired power plants for removal of SO 2 (g), must produce gypsum of high quality. However, quality issues such as an excessive moisture content, due to poor gypsum dewatering properties, may occur from time to time. In this work, the particle size …
view more2020125 · Abstract Flue gas desulphurization gypsum (FGD) is a major solid waste in coal-fired energy plants, and the appropriate reuse of this resources is still a major challenge. In this study, the feasibility of FGD as a calcium source to produce hydroxyapatite (FGD-HAP) for the immobilization of lead (Pb) and cadmium (Cd) in spiked soil was ...
view moreAmong a wide variety of flue gas desulphurization methods, wet limestone-gypsum flue gas desulphurization (WLFGD) is most power plants’ first priority due to the fact that it is characterized by low operation cost and relatively high utilization of absorption reagent [ …
view more2015101 · The present study investigates the geochemical characteristics of the flue gas desulfurization gypsum (FGD Gp) generated from a pulverized-coal combustion (PCC) power plant in Xinjiang, Northwest China, with special emphasis on manufacturing fire-resistant panels using this FGD Gp as well as the fly ash collected from the same power …
view more2019810 · Abstract Flue gas desulphurization process in coal-fired power plants, produces wastewater with concentrated sulfate, chloride, metals and refractory organic compounds, which leads to serious pollution and corrosion problem during recycling.
view more2022315 · Abstract The thermal instability of most mercury (Hg) species in flue gas desulfurization (FGD) gypsum may lead to the release of large amounts of Hg into the atmosphere. In this study, gypsum samples were collected from 13 major coal-fired power plants (CFPPs) for evaluating the Hg thermal stability within a temperature range of …
view more202237 · The manufacturing of fire resistant panels is a very promising utilization for both flue gas desulphurization gypsum and fly ash with added high values, no environmental implications and low economic costs.
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