Flue gas desulfurized gypsum (FGD gypsum), mainly originates from thermal power plants, smelters, and large-scale enterprise boilers. This article reviews the production in China and the latest ...
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Desulfurized rubber asphalt (DRA) is a good environmentally friendly road construction material, but its high-temperature performance is relatively insufficient compared to ordinary rubber asphalt ...
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The by-product of wet flue gas desulfurization, desulfurized steel slag (DS), had chemical characteristics like natural gypsum that can be used to improve saline-sodic soil.
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The utilization of desulfurized building gypsum as raw material for gypsum-based self-leveling mortar (GSL) is limited by its low strength and poor water resistance. The objective of this …
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In this study, hybrid-fiber high-durability concrete (HFHDC) for marine environment is developed by the orthogonal test, the effects of various factors on the performance of HFHDC were studied.
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In the gypsum-metakaolin-cement system, although the dried FGD gypsum slightly reduced the workability of the mortar, the interval between the initial setting and the final setting was shortened ...
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The ordinary calcium-based desulfurizer prepared by the traditional digestion best method was termed as 1 # desulfurizer under specific conditions (at 368.15 K for digestion, water-cement ratio (mass ratio) of 0.84:1, the stirring speed of 100 rpm, and 600 s digestion), whose bulk density and specific surface area were 496 kg∙m −3 and 19.02 m 2 ∙g −1.
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In this paper, the research status of shape-stabilized phase change particles at home and abroad was extensively investigated, and the composite phase change materials of decanoic acid and myristic acid were prepared by heating and fusion of decanoic acid and myristic acid, and the optimum mass ratio of decanoic acid and myristic acid was measured as …
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DOI: 10.1016/j.jclepro.2020.124777 Corpus ID: 226335113; Preparation, characterization and application of red mud, fly ash and desulfurized gypsum based eco-friendly road base materials
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Flue Gas Desulfurization Gypsum; Utilization Status; Research Progress; Application Problems Abstract A large number of coal-fired flue gas is the culprit that caused by air pollution and …
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The utilization of desulfurized building gypsum as raw material for gypsum-based self-leveling mortar (GSL) is limited by its low strength and poor water resistance. The objective of this study is to enhance comprehensive properties of GSL and prepare qualified desulfurized building gypsum-based self-leveling mortar that can be effectively applied in practical …
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Chen [] made statistics on the main physical phases of CDA from steel plant sintering machines and coal-fired power plants, and the results are shown in Table 2.Among the many components, CaSO 3 contains the highest percentage, which is generated by the reaction between SO 2 and lime in the flue gas. The CaCO 3 content is also higher because the flue …
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The test takes the cementing system composed of ordinary Portland cement and desulfurized building gypsum as the research object, and the research is carried out based on the mechanism of the ...
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The results show that adding desulfurized gypsum, which accounts for 6% to 8% of the total mass of the cementitious material, has no adverse effect on the workability and can significantly improve ...
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The utilization of desulfurized building gypsum as raw material for gypsum-based self-leveling mortar (GSL) is limited by its low strength and poor water resistance. The objective of this study was to improve. comprehensive properties of GSL and prepare qualied desulfurized building gypsum-based self-leveling
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The experimental analysis revealed that the influence of the desulfurized gypsum content on the strength at 3, 7, and 28 days is greater than that of the cement clinker content. ... In the current domestic research landscape, there is a notable absence of specialized studies on the carbon emissions associated with slag production.
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Desulfurization-gypsum-based composite cementitious materials were prepared by adding certain proportions of sulfoaluminate cement, mineral powder quick lime, retarder, and …
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This review summarizes beneficial FGDG applications that have been deemed to pose minimal environmental concern, emphasizing their principles, research gaps, and …
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Request PDF | On Apr 1, 2023, Wan Yang and others published Silage and flue gas desulfurized gypsum as additives improve green waste composting | Find, read and cite all the research you need on ...
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planning to foray into the Desulfurized Gypsum market in any manner. Global Desulfurized Gypsum Market: Market Segmentation Analysis +44 20 8123 2220 info@marketpublishers Global Desulfurized Gypsum Market Research Report 2024(Status and Outlook)
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Desulfurized 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.). This report …
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A method for co-producing sulphoaluminate cement and sulfur by using desulfurized gypsum and aluminum ash, comprising: (1) drying aluminum ash, and heating desulfurized gypsum for dehydration to obtain semi-hydrated gypsum; (2) mixing the aluminum ash with the semi-hydrated gypsum according to a preset ratio, pulverizing, and homogenizing; (3) calcining the pulverized …
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By developing high-performance FGD gypsum-nanocellulose composites, this research contributes to the sustainable utilization of industrial by-products and the …
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In 2020, global FGD-gypsum production is expected to reach 255 million tons, with Asia accounting for 55%, followed by Europe (22%), North America (18%), and the rest of the world (5%).
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The use of ammonium reagents in the processes of semi-dry desulfurization of flue gas is promising, since the product of desulfurization is ammonium sulfate, which can be used as a mineral fertilizer.
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According to the U.S. Energy Information Administration's statistics, in the 2006–2016 period, approximately 42% of the electricity consumed in the U.S.A was produced by coal combustion (U.S. Energy Information Administration, 2018).The coal combustion process generates various types of residues such as fly ash, bottom ash, boiler slag, flue bed …
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The influence of different amounts of gypsum on the hydration of a belite-rich and a ye'elimite-rich belite-calcium sulfoaluminate clinker (BCSA) was investigated.
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A large number of coal-fired flue gas is the culprit that caused by air pollution and acid rain. Based on this reason, lime/limestone-gypsum wet flue gas desulfurization(FGD) process as the main desulfurization technology are used by most countries to control emissions of SO2,at the same time generating a huge amount of flue gas desulfurization gypsum...
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Electrolytic manganese residue (EMR) is a solid waste with a main mineralogical composition of gypsum. It is generated in the production of metal manganese by the electrolysis process.
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Using desulfurized gypsum and steel slag as raw material make desulfurized gypsum-steel slag composite gelled material, by adding cement, triethanolamine, aluminium sulfate, compound activator ...
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