Coal-fired power plants may use SO 2 scrubbers to meet the requirements of Phase II of the Acid Rain SO 2 Re-duction Program. Additionally, the use of scrubbers can ... . 4 …
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 …
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 for gypsum boards, but there still exist a mass of FGDG due to the lack of reusing methods. ... is another waste material from the power …
combustion process of the power plant. Dry desulfurized gypsum generated from dry desulfurization facilities is suitable as a CO 2 absorbing material due to the presence of CaO.
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 paper provides a comprehensive review of flue gas desulphurized (FGD) gypsum production, …
As we know, coal is the dominant energy in Chinese energy mix. Almost all of the coal-fired power plants are required to equip desulfurization facility to remove SO 2 in the flue gas, as illustrated in Fig. 1.The most popular desulfurization technology is wet-FGD using limestone, with the product called FGD-gypsum, which main content is CaSO 4. ...
When decreasing emissions of sulfur dioxide from coal-fired power facilities, there is an evident environmental benefit. The flue gas desulfurisation process produces high-quality FGD gypsum. Compared to mined natural gypsum, the industrially produced gypsum is purer, therefore offering a wide range of environmentally friendly applications.
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 ...
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 paper provides a comprehensive review of flue gas desulphurized (FGD) gypsum production, property, and applications in the construction industry.
The yield and quality of the FGD gypsum depend on parameters such as operating mode, type of fuel/sulfur content, and the type of absorbent desulfurizer technology used. 20 Since the late 1970s, European coal power plants have produced over 100 million tons of FGD gypsum. 21 In 2003, 17 European countries produced …
The effective and safe use of FGD gypsum in agricultural land is still debated in some countries even though its effectiveness in soil management has been reported in many studies. Thus, the changes in the levels of soil salinity, alkalinity, crop yield, and other physicochemical properties in different soil types and crops after …
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 …
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 …
The above research shows that the application of desulfurized gypsum in concrete systems will help improve the overall performance of concrete, realize the industrial utilization of desulfurized gypsum, and turn desulfurized gypsum into treasure, which is in line with the green and low-carbon development concept.
Effect of curing temperature on the reaction kinetics of cementitious steel slag-fly ash-desulfurized gypsum composites system. Author links open overlay panel ... The FA and DG were obtained from a coal-fired power plant in Taiyuan. The FA and DG were also ground to an ultrafine powder. SS, FA, and DG had a median particle size of …
The "modern" FGDG is represented by the composition of the FGDG generated by 8 power plants in the U.S. from 2007 to 2010 as reported by Kost et al. (2018). The "old" FGDG is represented by samples collected from 1991 to 1992 from 59 power plants in the U.S. found in Kost et al. (2005). The comparison showed that …
Round 1. Reviewer 1 Report Authors are advised to include more details about. tensile strength and impact strength of composites measurements along with the equipment details in experimental section and results and discussion part, that would help the other to reproduce their results.
Ltd.); Desulfurization gypsum (Huainan Thermal Power Plant). The content of -hemihydrate gypsum and dihydrate gypsum are 71.4% and 14.7%, respectively. Meanwhile, the chemical composition and phase XRD spectrum of the desulfurized gypsum are shown in Table 1 and Fig. 1, respectively; the TG-DSC analysis curve is …
The above research shows that the application of desulfurized gypsum in concrete systems will help improve the overall performance of concrete, realize the industrial utilization of desulfurized gypsum, and turn desulfurized gypsum into treasure, which is in line with the green and low-carbon development concept. However, adding …
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 …
The use of waste to capture CO 2 has been on the rise, to reduce costs and to improve the environmental footprint. Here, a flue gas desulfurization (FGD) gypsum …
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 …
land) in the project area. According to the different dosage of desulfurized gypsum, four treatments T1, T2, T3 and T4 were set up. The dosage of desulfurized gypsum was 0, …
The two types of gypsum samples used in this study were obtained from a commercial coal-fired power plant. Both samples were collected from a double-contact flow-type desulfurization equipment. Table 1 presents the values of total mercury and carbon content. These values depend on the type of coal and combustion conditions.
Effect of curing temperature on the reaction kinetics of cementitious steel slag-fly ash-desulfurized gypsum composites system ... The FA and DG were obtained from a coal-fired power plant in Taiyuan. The FA and DG were also ground to an ultrafine powder. ... that DEIPA enhanced the hydration of aluminate (C 3 A and C 12 A 7), …
As the waste of coal-fired power plant, desulphurization gypsum is mainly composed of CaSO 3 and CaSO 4, which can replace Na+ in saline-alkali soil to improve saline-alkali soil.
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 …
The use of waste to capture CO 2 has been on the rise, to reduce costs and to improve the environmental footprint. Here, a flue gas desulfurization (FGD) gypsum waste is proposed, which allows us ...
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 …
Thermal Power Plant generates FGD gypsum as by-product during coal combustion. This study evaluates the characterization (spectroscopic and elemental), …
Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 219,817,524 papers from all fields of science ... and Economic Effects of Resource Utilization Process for Lime/Gypsum Flue Gas Desulfurization Collaborative Desulfurized Gypsum}, author={Xia Xiao and Liqiang Zhang and …
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 …
The invention discloses a method for preparing gypsum powder for a ceramic mould in the ceramic industry, wherein the desulfurized product of power plants, i.e., 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 …
DOI: 10.1016/j.fuel.2021.122898 Corpus ID: 245313567; Utilization of desulfurization gypsum potentially impairs the efforts for reducing Hg emissions from coal-fired power plants in China
Solid waste-based binders have been widely studied for decades. Recently, the steel slag-fly ash-desulfurized gypsum (SS-FA-DG) composite system was developed as a novel building cementitious ...
Contribute to lbsid/en development by creating an account on GitHub.