##tihuan2##2.1. Raw materials. The desulfurized β-hemihydrate gypsum (density; 2.497 g/cm 3 and specific surface area; 330.14 kg/m 2) was obtained from Chongqing Yuju Environmental Protection Technology Co., LTD.The 42.5R Ordinary Portland Cement (similar to ASTM C150 Type I Cement) was obtained from Chongqing Fuhuang Cement Co., LTD …
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##tihuan2##With steel slag and desulfurized gypsum as main raw material,mixed appropriate amount slag and compound addition a little of activator,and based on orthogonal test,we explored the slag dosage,the proportion of the combined admixture activator and the desulfurized gypsum dosage impact on the performance of clinker-free cementing material,such as …
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##tihuan2##DOI: 10.1016/j.envpol.2021.117799 Corpus ID: 236531280; Production and resource utilization of flue gas desulfurized gypsum in China - A review. @article{Liu2021ProductionAR, title={Production and resource utilization of flue gas desulfurized gypsum in China - A review.}, author={Sen Liu and Wei Liu and Fen Jiao …
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##tihuan2##The "Desulfurized Gypsum Market" reached a valuation of USD xx.x Billion in 2023, with projections to achieve USD xx.x Billion by 2031, demonstrating a compound annual growth rate (CAGR) of xx.x ...
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##tihuan2##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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##tihuan2##gypsum was divided into deta il, and its comprehensive utili-zation status was analyzed.14) Secondly, some progress has been made in the research of desulfurized gypsum as a waterproofing agent, and a new type of building gypsum-based waterproofing agent has been prepared.15) In addi-tion, a new type of high-efficiency …
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##tihuan2##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, …
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##tihuan2##*Corresponding author: 601515179@qq Research status of different improvement measures for saline-alkali land Jian Li 1, 2, 3, * 1 Key Laboratory of Degraded and Unused Land Consolidation Engineering, Ministry of Natural Resources, xi'an 710021, China. 2 Shaanxi Provincial Land Engineering Construction Group Co., Ltd., xi'an 710075, China. …
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##tihuan2##Gypsum deposits were formed during the Paleozoic Era, approximately 600 million years ago, when most of the Earth's surface was covered by salt water. Gypsum is composed of 79.1% calcium sulfate and 20.9% water (by weight). It is a nonmetallic mineral, one of the most abundant in the world, and is found in rock form.
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##tihuan2##The influences of desulfurization gypsum on the properties of both Magnesium oxychloride cement (MOC) pastes and MOC abrasive tools were investigated in this study.
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##tihuan2##Research should also focus on the utilization of FGD gypsum in the development of building materials like alpha gypsum, floor screeds, wall putty, etc. 6. There are very few reports available on the acoustic properties of FGD gypsum; however, it is a good sound-absorbing material based on its high porosity, which needs further detailed ...
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##tihuan2##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 beneficial utilizations of FGD gypsum. China is a large coal-consuming country and has always had serious SO 2 emissions. Therefore, the …
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##tihuan2##This study evaluated the effects of FGD gypsum on soil physical and chemical properties and heavy metal concentrations after 17 years. Established in 2001, …
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##tihuan2##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. …
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##tihuan2##Flue Gas Desulphurized Gypsum (FGDG) is a by-product generated by the thermal power industry to remove sulfur dioxide (SO 2) from flue gas emissions. This …
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##tihuan2##The Desulfurized Gypsum Market research report employs a meticulous segmentation strategy, offering deep insights into various market segments such as application, type, and region.
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##tihuan2##Desulfurized gypsum, a by-product of thermal power plants for removal of sulfur from coal, may be used as an external source of Ca2 + for reclamation of saline-sodic soil in this plain because it ...
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##tihuan2##Ignoring emissions of Hg from coal ash and desulfurized gypsum will lead to ineffective mercury control in coal-fired power plants in China. ... Chinese Research Academy of Environmental Sciences, Beijing 100012, China. PMID: 22428843 DOI: 10.1021/es300786d No abstract available ...
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##tihuan2##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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##tihuan2##It was reported that soot materials can be made by desulfurized gypsum, fly ash and lime, producing strength in the process of consolidation reaction, which are used as pavement sub-base or land ...
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##tihuan2##Red mud (RM), fly ash (FA) and desulfurized gypsum (DG) are harmful solid wastes that need to be treated. In this study, RM, FA, DG were used as the main raw materials to prepare road base ...
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##tihuan2##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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##tihuan2##It was concluded that application of desulfurized gypsum can significantly facilitate the saline-alkali soil amelioration, enhance leaf photosynthetic capacity, promote crop growth and ultimately ...
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##tihuan2##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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##tihuan2##This paper presents an experimental study and micro-mechanism discussion on gypsum role in the mechanical improvements of cement-based stabilized clay (CBSC).
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##tihuan2##Red mud, a by-product of alumina production, has a great impact on the environment due to its high alkalinity. In this paper, two-part geopolymer mortar was synthesized by combining red mud and ...
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##tihuan2##FGD gypsum in China and gypsum separated from waste gypsum board (WGB) in Japan were added to salt-affected soil as soil amendments. The effects of lignite and peat, which contains humic ...
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##tihuan2##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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##tihuan2##Flue gas desulfurized gypsum (FGD gypsum), mainly originates from thermal power plants, smelters, and large-scale enterprise boilers. This article reviews …
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