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·The test results show that sodium sulfate has a poor improvement effect on the sample due to the presence of desulfurized building gypsum in the composite cementing system while calcium chloride
·and yield using desulfurized gypsum in the west of Songnen Plain Northeast China[J] Geoderma 2012 187 188 24 30 [21] SAKAI Y SHIMIZU C MURATA H et al Changes in soil physicochemical properties and maize production following [J [22] LI
·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
·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
·Thermal Power Plant generates FGD gypsum as by product during coal combustion This study evaluates the characterization spectroscopic and elemental potentially toxic elements PTEs
· article{Wang2023SynergisticEO title={Synergistic effect of red mud desulfurized gypsum and fly ash in cementitious materials Mechanical performances and microstructure} author={Yaguang Wang and Xiaoming Liu and Xiang Zhu and Wenxi Zhu and Jianwei Yue} journal={Construction and Building Materials} year={2023} url={https //api
·Waste resource utilization can save energy reduce costs and is one of the important means to protect the environment Flue gas desulphurized FGD gypsum is a common industrial by product These by products are not only difficult to use but also
Tens of millions of tons of desulfurized gypsum can be produced in China every year Desulfurization gypsum is used as an admixture to replace part of cement in concrete And the smaller the particle size of desulfurized gypsum the better the mechanical properties of cement mortar The compressive and flexural tests show that the cement mortar with 3% and 4%
·Research on the method of improving the influence of chloride ion on the performance of desulfurized gypsum products [J] New building materials 2014 11 41 45
·To effectively solve the problem of recovery and utilization of flue gas desulfurized gypsum FGDG a new method for preparing SO2 gas by adding a mixture of FGDG and pyrite into a boiling
·In order to realize the reutilization of industrial waste red mud and desulfurized gypsum whiskers a novel ceramsite was fabricated using red mud and desulfurized gypsum whiskers for the adsorption of Pb II The study investigated the impact of red mud / desulfurized gypsum whiskers mass ratio coupling agent dosages and calcination temperature on the
·Using SEM at a magnification of 8000× photographs of desulfurized gypsum and carbide slag were taken as shown in Fig 1 From the images it can be observed that the desulfurized gypsum appears as elongated blocky shapes distributed loosely while the carbide slag appears as small spherical granules distributed evenly and densely
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 SO2 emissions Therefore the Chinese government has implemented a
·desulfurization gypsum produced by carbide slag desulfuriza tion is gray The experiment also carried out desulfurization experiment on CS desulfurized gypsum after engineering des ulfurization Before desulfurization it was dried to constant weight at 105 ℃ and then the desulfurization experiment was
mortar Desulfurized gypsum is an industrial by product gypsum obtained after flue gas desulfurization in coal fired or oil fired power plants [1] Its main components and physical and chemical properties are basically the same as natural gypsum with higher purity and smaller particle size Since desulfurized gypsum contains water
DOI / 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 and Wen qing Qin and Cong ren Yang}
·In order to give full play to the alkaline neutralization value of carbide slag and reduce the environmental hazards of carbide slag it is of great practical significance to study the resource utilization of carbide slag In the desulfurized gypsum Ca OH 2 has been completely consumed and CaSO 3 · 2 O has become the main component
·Purpose For an alkaline saline region in Northwest China we examined the responses of soil microbial communities to flue gas desulfurization gypsum by products FGDB a new ameliorant for alkaline saline soils In 2009 and 2010 we collected soils from 0 20 cm and 20 40 cm depths along an experimental FGDB gradient 0 and kg
·Gypsum works refer to the process of constructing or repairing interior walls and ceilings using gypsum boards or panels This process typically involves several steps including installing the base applying adhesive attaching the gypsum board or plaster taping and jointing sanding and finishing painting or texturing inspection and testing and clean up
The soil nutrient content of the ameliorated saline alkali soils with different ages and the diurnal courses curve of photosynthetic parameters photosynthetic light response curve and yield of oil sunflower Helianthus annuus grown on the ameliorated soils were measured to investigate the effects of desulfurated waste residue additions on the saline alkali results showed
·Flue gas desulfurized gypsum FGDG is a waste material produced in the power stations during the flue gas desulfurization process In China a small amount of FGDG is used as cement additives or
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
