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DOI / Corpus ID 129387632; Reclamation of saline sodic soil properties and improvement of rice Oriza sativa L growth and yield using desulfurized gypsum in the west of Songnen Plain northeast China
·This work aimed to investigate the feasibility of utilizing the low quality desulfurization ash from semi dry flue gas desulfurization by mixing with α hemihydrate gypsum and then the environmental issues resulted from low quality desulfurized ash from semi dry flue gas desulfurization can be resolved and both economic and ecological benefits are brought to
Chloride ion has an important influence on the performance of gypsum board prepared by desulfurization gypsum especially in wet environment Therefore this paper analyzed the influence of chloride ion on the bonding propertiesof gypsum board and studied the ways to improve the bonding properties of gypsum board prepared by desulfurization gypsum with
·The controlled synthesis of α hemihydrate α HH gypsum using flue gas desulfurized gypsum is essential for the utilization of calcium and sulfur resources An aspect ratio AR close to 1 is essential to improve the quality and performance of α HH gypsum
When the amount of desulfurized gypsum applied to moderate saline alkali soil and severe saline alkali soil exceeded 30 t·hm 2 the increase rate of crop yield Oil sunflower alfalfa corn rice wheat Lycium barbarum and sweet sorghum showed a decreasing trend To further analyze the effect of desulfurized gypsum on the improved saline
·Abstract 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 materials based on the different CaO Na2O / SiO2 Al2O3 molar ratio and its mechanical properties durability microstructure and environmental
·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 invention discloses a method for preparing gypsum powder for a ceramic mould in the ceramic industry wherein the desulfurized product of power plants desulfurized gypsum is mainly used as a main raw material for the gypsum powder for the ceramic mould The method comprises the steps of calcining the desulfurized gypsum in a calcining kiln and then
： This work aimed to investigate the feasibility of utilizing the low quality desulfurization ash from semi dry flue gas desulfurization by mixing with a hemihydrate gypsum and then the environmental issues resulted from low quality desulfurized ash from semi dry
·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
·IOP Conference Series Materials Science and Engineering PAPER OPEN ACCESS Performance Analysis and Improvement of Gypsum Board Prepared from Desulfurized Gypsum with High Chloride Ion Content
Chloride ion has an important influence on the performance of gypsum board prepared by desulfurization gypsum especially in wet environment Therefore this paper analyzed the influence of chloride ion on the bonding propertiesof gypsum board and studied the ways to improve the bonding properties of gypsum board prepared by desulfurization gypsum with
·It would be expected that more mercury would be present in coal ash and desulfurized gypsum from the increased combustion of coal and the abundance of Hg removal facilities in Chinese coal fired power plants highlighting the increased emphasis on the removal of mercury from atmospheric emissions of coal Fired power plants in China Expand
·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 desulfurized gypsum application rates varied between 0 and 50 t·hm 2 across six treatment levels based on the soil Na and Mg 2 exchange capacity A control group was included at 0 t·hm 2 Each treatment consisted of five experimental plots including three for soil profile sampling and two for backfilling to mitigate the impact of
·Production and resource utilization of flue gas desulfurized gypsum in China A review Sen Liu Wei Liu Fen Jiao W Qin Cong ren Yang Environmental Science Engineering Environmental pollution 2021; 90 Save Mercury in desulfurization gypsum and its dependence on coal properties in coal fired power plants
·Thermal Power Plant generates FGD gypsum as by product during coal combustion This study evaluates the characterization spectroscopic and elemental potentially toxic elements PTEs
· The influencing factors of desulfurized gypsum quality and its resourceful application;
·Considering the properties of desulfurized ash and desulfurization gypsum suspended separation of impurities in the desulfurized gypsum was studied in an unbaffled fat bottom cylindrical
·FGD gypsum and cover crop effects on soil biological properties Results showed that the depth distribution of SMB and associated biological properties were variably affected by FGD gypsum and cover crop managements Table 3 While the SMB did not influence the qR increased significantly by 17% under FGD gypsum compared to the control
·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 Chinese
·The Portland cement fly ash desulfurized gypsum composite solidifier brings the dredged soil to have higher strength and good resistance to dry wet cycles [24] Titanium slag is the residue after the titanium extraction from high titanium type blast furnace slag Currently there are 80 million tons of titanium slag in China with an annual
