2021年11月1日 Introduction. Flue gas desulfurized gypsum mainly comes from thermal power plants, smelters, and large-enterprise boilers, and contains industrial by-products produced through a wet desulfurization combustion process, where SO2 gas and lime
2019年12月1日 Flue gas desulfurization gypsum (FGDG) is an industrial by-product generated during the flue gas desulfurization process in coal-fired power plants. Due to
2021年11月1日 Flue gas desulfurization gypsum-quaternary phase (FGD gypsum-Q phase) system is investigated to enhance the mechanical and water resistance
2022年1月15日 Wet desulfurization technology includes limestone-gypsum desulfurization, dual-alkali desulfurization, magnesium oxide desulfurization, zinc oxide desulfurization,
2021年3月5日 The universally adopted wet flue gas desulfurization technology includes the limestone-gypsum method [ 13 ], the indirect limestone-gypsum method, and the lemon
2021年10月10日 Abstract. Wet flue gas desulfurization, which is performed in many thermal power plants, has a high desulfurization efficiency and produces desulfurized
Flue-gas-desulfurization gypsum (FGD gypsum) is an industrial by-product gypsum obtained by desulfurizing and purifying the flue gas generated after combustion of sulfur
2020年8月18日 This research aims to study the utilization of waste from power plants, construction and demolition, and agriculture by varying the ratios of flue-gas
2020年8月18日 This research aims to study the utilization of waste from power plants, construction and demolition, and agriculture by varying the ratios of flue-gas
2019年12月12日 Flue gas desulfurization gypsum (FGDG) is an industrial by-product generated during the flue gas desulfurization process in coal-fired power plants. Due to
2021年3月5日 Wen-guo LiuZhi-qiang Xu Journal of Iron and Steel Research International 28,1357–1365 ( 2021) Cite this article 339 Accesses 3 Citations Metrics Abstract At present, the continuous accumulation of the flue gas desulfurization (FGD) gypsum in steel plants leads to the serious environmental issues and resource waste.
15 小时之 The flue gas desulfurization (FGD) plant removes sulfur dioxides (SO 2) from flue gas produced by boilers, furnaces, and other sources. Power effectively contributes to the prevention of air
Flue-gas-desulfurization gypsum (FGD gypsum) is an industrial by-product gypsum obtained by desulfurizing and purifying the flue gas generated after combustion of sulfur-containing fuel (coal, oil, etc.). Its composition is mainly calcium
2022年3月15日 The risk of Hg release during the FGD gypsum utilization process has been studied since 2005 [31], [32]. In 2012, Yang et al. [33] warned that ignoring the emissions of Hg from CFPPs byproducts (including FGD gypsum) would lead to ineffective Hg control in CFPPs in China. Nevertheless, this topic is still scarcely studied.
2023年4月21日 Calcium carbide slag has made more progress in the application of coal-fired power plant drydesulfurization process in recent years. However, there are still many problems in the application of wet desulfurization, such as poor dissolving characteristics, low oxidation rate of calcium sulfite, difficult dehydration of gypsum and so on.
2021年6月17日 Gypsum Analysis of the environmental impact of the production of building gypsum using natural and flue gas desulfurization gypsum in the Polish context / Analiza wpływu na środowisko...
2017年10月17日 1. Introduction Wet flue gas desulfurization technology has become the most widely used desulphurization technology. The researchers have applied analytic hierarchy process to analyze three aspects of desulfurization system in power plant including technology, economy and sustainable development [1].
2020年8月18日 Flue gas desulfurization (FGD) is the treatment used to eliminate sulfur dioxide; it produces FDG gypsum as a by-product [8]. FGD gypsum takes up a lot of space in landfills and may contaminate the surface and groundwater [8]. The main ingredient of FGD gypsum is the same as in natural gypsum [10,11], so it can be used as a substitute for
2009年10月1日 Considering the same absorption equipment and same experimental conditions, the results (SO 2 removal efficiency, SO 2 absorption rate, limestone utilization, and FGD system stability)...
2021年10月22日 In South Africa, coal represents the primary source of energy used for electricity generation. Coal power plants use the wet flue gas desulfurization (WFGD) process to remove sulfur dioxide (SO2) from their flue gas. However, this technology produces a large amount of synthetic gypsum, resulting in waste disposal and
2021年3月5日 Wen-guo LiuZhi-qiang Xu Journal of Iron and Steel Research International 28,1357–1365 ( 2021) Cite this article 339 Accesses 3 Citations Metrics Abstract At present, the continuous accumulation of the flue gas desulfurization (FGD) gypsum in steel plants leads to the serious environmental issues and resource waste.
15 小时之 1,050 MW Max. Inlet SO 2 Concentration 80,000 mg/Nm 3 (Coal fired) Max. SO 2 Removal Efficiency 99% High Reliability The flue gas desulfurization (FGD) plant removes sulfur dioxides (SO 2) from flue gas
2022年3月15日 The risk of Hg release during the FGD gypsum utilization process has been studied since 2005 [31], [32]. In 2012, Yang et al. [33] warned that ignoring the emissions of Hg from CFPPs byproducts (including FGD gypsum) would lead to ineffective Hg control in CFPPs in China. Nevertheless, this topic is still scarcely studied.
2022年5月9日 Flue-gas desulphurization (FGD) gypsum is a highly prevalent industrial by-product worldwide, which can be an excellent alternative to natural gypsum due to its high content of CaSO 4 2H 2 O. The preparation of α-calcium sulfate hemihydrate is a high-value pathway for the efficient use of FGD gypsum.
2022年4月8日 Direct mineral carbonation (MC) is used to mitigate carbon dioxide (CO2) emissions. This method has the great advantages of reducing the amount of industrial residues and creating valuable materials by incorporating CO2. Waste gypsum, industrial waste including flue gas desulfurization (FGD) gypsum (25.27–53.40 wt% of CaO), and
2020年8月18日 Flue gas desulfurization (FGD) is the treatment used to eliminate sulfur dioxide; it produces FDG gypsum as a by-product [8]. FGD gypsum takes up a lot of space in landfills and may contaminate the surface and groundwater [8]. The main ingredient of FGD gypsum is the same as in natural gypsum [10,11], so it can be used as a substitute for
2021年11月27日 In order to explore the influence of the types of waste gypsum on the properties of alkali slag cement, fluorogypsum (FG) and flue-gas desulfurization (FGD) gypsum were comparatively investigated. Moreover, the action mechanisms of FG and FGD gypsum on the properties of alkali slag cement were analyzed.
2009年10月1日 Considering the same absorption equipment and same experimental conditions, the results (SO 2 removal efficiency, SO 2 absorption rate, limestone utilization, and FGD system stability)...
2023年4月21日 Calcium carbide slag has made more progress in the application of coal-fired power plant drydesulfurization process in recent years. However, there are still many problems in the application of wet desulfurization, such as poor dissolving characteristics, low oxidation rate of calcium sulfite, difficult dehydration of gypsum and so on.
2020年6月20日 The treatment of flue-gas desulfurization (FGD) gypsum, a common solid waste material that is often affected by chloride ions, typically occupies large amounts of land, causes resource waste, and results in environmental pollution.
قواعد انتاج قوية، وفيرة الخبرة في التصنيع وفريق البحوث المهنية تساعد التنمية في عمق آلات التعدين. كلا النوعين المنتجات والنماذج قادرة على تلبية جميع مطالب في هذه الصناعة، وضمان الجودة وتسليم المعدات.
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