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2019.12.1 Flue gas desulfurization gypsum (FGDG) is an industrial by-product generated during the flue gas desulfurization process in coal-fired power plants. Due to
Read More2014.1.1 F lue gas desulfurization gypsum (FGDG) is a synthetic gypsum that is created during the removal of SO 2 from flue gas by reacting the SO 2 with calcite
Read More2022.1.15 The theory of mass transfer and absorption in flue gas desulfurization is summarized, and the optimal desulfurization process parameters for the operation of
Read More2014.1.1 Flue gas desulphurization gypsum (FGDG), a by-product of the wet lime–based or limestone-based forced oxidation scrubber systems for reducing sulfur
Read More2020.6.20 Emission reduction process for dechlorinating flue‐gas desulfurization gypsum and reducing wastewater effluents: Application prospects from laboratory‐scale
Read More2023.11.13 Abstract. Thermal Power Plant generates FGD gypsum as by-product during coal combustion. This study evaluates the characterization (spectroscopic and
Read More2023.1.1 In order to solve the problems of low phosphorus removal efficiency and high operating cost in wastewaters, this study took flue gas desulphurization (FGD)
Read More2013.5.10 Flue gas desulfurization gypsum by-product (FGDB), 80% of its component is calcium sulfate (CaSO 4 2H 2 O), has shown a capacity for amending alkaline soils.
Read Moreconverted into a gypsum slurry by the desulfurization pro-cess. The latter is then dehydrated to produce FGD gypsum (as shown in the following equations).17 Thus, the synthetic
Read More2015.3.15 1. Introduction. The term Flue Gas Desulphurisation (FGD) system has traditionally referred to wet scrubbers that remove SO 2 emissions from large electric utility boilers. The FGD systems emerged in the industrial field of the coal-fired power plants and on some industrial processes in the early 1970s in United States (US) and Japan, and
Read More2022.1.15 Global statistics showed in 1998 that wet limestone desulfurization was the main technology used in flue gas desulfurization in power plants, accounting for 83% of flue gas desulfurization systems [89]. The limestone-gypsum wet desulfurization system mainly involves the absorption section and the oxidation section.
Read More1994.1.1 @article{osti_6695556, title = {Possible utilization of flue-gas desulfurization gypsum and fly ash for citrus production: Evaluation of crop growth response}, author = {Alva, A K}, abstractNote = {The application of industrial by-products to agricultural land has been a topic of considerable interest during recent years. For the industries, this is an
Read More2016.11.1 Plenty of flue gas desulfurization (FGD) gypsum generated from coal-fired power plants for sulfur dioxide sequestration caused many environmental issues. Preparing calcium sulfate whisker (CSW) from FGD gypsum by hydrothermal synthesis is considered to be a promising approach to solve this troublesome problem and utilize calcium sulfate
Read More2016.11.1 Plenty of flue gas desulfurization (FGD) gypsum generated from coal-fired power plants for sulfur dioxide sequestration caused many environmental issues. Preparing calcium sulfate whisker (CSW) from FGD gypsum by hydrothermal synthesis is considered to be a promising approach to solve this troublesome problem and utilize calcium sulfate
Read More2024.3.20 Flue gas desulfurization is the process of removing sulphur compounds from the exhaust emissions of fossil-fueled power stations. This is done through the addition of absorbents, which can remove up to 95% of the sulphur dioxide from the flue gas. Flue gas is the emitted material produced when fossil fuels such as coal, oil, natural gas, or ...
Read More2020.6.20 Abstract 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 was...
Read More2014.1.1 In rainfall simulation experiments in June 2009 and May 2011, runoff and nutrient (N, P, Ca, Mg) losses in runoff were compared among treatments consisting of 0, 2.2, 4.5, and 9.0 Mg ha −1 flue gas desulfurization gypsum (FGDG) combined with 13.5 Mg ha −1 of BL and two control treatments of (0–0) and (9.0–0.0) Mg ha −1 (FGDG-BL).
Read MorePeanut (Arachis hypogaea L.) requires calcium (Ca) and phosphorus (P). Flue gas desulfurization gypsum (FGDG) and broiler litter ash (BLA) could be used as Ca and P fertilizer for peanuts. A pot study was conducted to determine the effects of BLA and FGDG on peanut yield and nutrient uptake compared to superphosphate (SP). Peanut kernel
Read MoreFlue gas desulfurization (FGD) gypsum, a coal combustion by-product, can be used to decrease water-extractable soil P, thereby lowering the potential for P export to surface waters. This decrease results from a conversion of loosely bound inorganic P (IP) which is readily desorbable to water, to less soluble Al- and Fe-bound IP and, to a lesser extent,
Read More2008.11.11 Surface applications of gypsiferious products has been shown to reduce subsoil acidity largely caused by high levels of soluble aluminum (Al). Our objective was to test the effectiveness and safety of using FGD gypsum to increase dry matter (DM) yields of alfalfa (Medicago sativa L.). Four and one‐half, 9, and 18 mt/ha of either commercially ...
Read More2023.10.2 Flue gas desulfurization gypsum (FGD Gypsum) is an industrial byproduct derived from the desulfurization of flue gas produced by the combustion of sulfur-containing fuels (mainly coal) and has been widely applied for improving agricultural soils and for the investigation and practice of mine reclamation (Dick 2006; Chen 2011). Studies have
Read More2017.9.4 As a recycled material, flue gas desulfurization gypsum has been used to prepare calcium sulfate hemihydrate whisker (CSHW) through hydrothermal synthesis for several decades. However, the ...
Read More2021.4.13 Flue gas desulfurization (FGD) gypsum and straw return have been recognized for their roles in reducing soil sodicity and improving soil organic matter. However, there are few studies on the effect of their combination on improving and fertilizing sodic soil. FGD gypsum at a rate of 15 t ha−1 and three types of straw (sunflower seed
Read More2015.7.27 3. Flue Gas Desulfurization Technologies. Flue gas desulfurization is an efficient method for the reduction of the sulfur dioxide emissions. Citation 2 Many processes are available in the market, such as (a) wet scrubbers, (b) spray dry scrubbers, (c) sorbent injection, (d) regenerable processes, and (e) combined SO 2 /NO X removal processes.
Read More2019.2.1 Flue gas desulfurization (FGD) gypsum removes 93.31% of fluoride from 109 mg/L to 7.3 mg/L. Fluoride can be efficiently removed at the optimum pH range of 5–11. Kinetics analysis indicates that the theoretical fluoride capacity at 1 g/L FGD gypsum is 96.9 mg/g. ... FGD gypsum was taken from a steel plant located in Panzhihua, China. The
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Read More2017.3.1 Flue gas desulfurization (FGD) gypsum may be a viable low-cost alternative bedding material for broiler production. In order to evaluate FGD gypsum’s viability, a study was conducted to determine its influence on live performance (body weight, feed consumption, feed efficiency, and footpad dermatitis), litter characteristics (caking,
Read MoreAt present, wet desulfurization process technology becomes the most popular in the worldwide power industry, and achieves 85%. Limestone gypsum wet technology has the features of low cost, high efficiency, and has become the most widely used power plant flue gas desulfurization process.
Read More2008.11.1 The limestone-gypsum wet flue gas desulfurization is the most widely used technology for SO2 removal in coal-fired power plants due to its high efficiency, reliability, and cost-effectiveness [29 ...
Read More2007.7.1 Flue gas desulfurization (FGD) gypsum is a waste material produced in desulfurization of flue gases in power stations and heating plants in high amounts. However, the industrial use of FGD gypsum is insufficient considering the amount of its production. Nowadays, it is mostly used for the production of gypsum plasterboards only, and the
Read More2011.12.27 This paper presents a comprehensive review of the state of the art in flue gas desulfurization (FGD) technologies for coal-fired boilers. ... Analyses also reflect that, based on total annualized cost and SO 2 removal requirements: (1) plants up to ~250 MW e in size and firing low- to medium-sulfur coals (i.e., coals with a sulfur content of 2% ...
Read More2020.6.10 The main component of flue gas desulfurization (FGD) gypsum is CaSO42H2O, a type of salt. However, excess of this material poses a hazard to crop emergence and growth. Thus, a pot experiment was carried out in which sandy loam soil collected from a typical sodic soil distribution area in Northeast China was used.
Read More2015.9.1 A large amount of an industrial byproduct, flue gas desulfurization gypsum (FGDG) (CaSO 4 .2H 2 O), is produced when coal-fired power plants use the limestone-gypsum forced air oxidation process ...
Read More2019.2.1 Flue gas desulfurization (FGD) gypsum removes 93.31% of fluoride from 109 mg/L to 7.3 mg/L. Fluoride can be efficiently removed at the optimum pH range of 5–11. Kinetics analysis indicates that the theoretical fluoride capacity at 1 g/L FGD gypsum is 96.9 mg/g. ... FGD gypsum was taken from a steel plant located in Panzhihua, China. The
Read More2021.9.10 Taking a typical wet FGD unit of 300 MW power plant in China as an example, the limestone/gypsum flue gas desulfurization system (L-FGD) process was compared with the LCS by using the method of life cycle assessment and life cycle cost (LCC). The result shows that the overall environmental impact of the LCS is 0.2913.
Read More2019.12.12 Flue gas desulfurization gypsum (FGDG) is an industrial by-product generated during the flue gas desulfurization process in coal-fired power plants. Due to its abundance, chemical and physical properties, FGDG has been used in several beneficial applications. However, during the past decade, the rate of beneficially used FGDG has
Read MoreDownloadable (with restrictions)! Over the past few decades, there has been wide interest in developing strategies for the utilization of flue gas desulfurization gypsum (FGDG), a by-product of scrubbing sulfur from combustion gases in coal-fired power generation plants. FGDG has applications in agriculture due to its function in the remediation of soil quality
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