Relevant bibliographies by topics / Flue Gas Desulfurization slurry

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Academic literature on the topic 'Flue Gas Desulfurization slurry'

Author: Grafiati
Published: 4 June 2021
Last updated: 6 February 2022

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Journal articles on the topic "Flue Gas Desulfurization slurry"

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Dong, Mei, and Hui Liang Zhou. "Experimental Study on Enhancing Slurry Dewatering Efficiency of the Carbide Slag Flue Gas Desulfurization Device." Advanced Materials Research 726-731 (August 2013): 2542–46. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.2542.

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Carbide slag is adopted as flue gas desulfurization agent in Ning Xia Western Thermal Power Plant.During the operation process,flue gas desulfurization efficiency and slurry dewatering efficiency can not meet the requirement at the same time. Through the analysis of the main influence factors,the work in the laboratory is going to improve calcium sulrite oxidation effect .The experimental results are characterized by crystal diffraction and scanning electron microscope. Through the orthogonal experiment,the optimun conditions are obtained:pH of the limestone slurry is 5.1,temperature is 40°C,the oxidation air volume is 45L/min,solid content of the slurry is 11%.On this condition,not only the flue gas desulfurization efficiency can be guaranteed,but the calcium sulfite is good to calcium sulfate conversion,then the problem of slurry dewatering efficiency is resolved.Application to engineering practice,very good results are achieved
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Romanik, Elżbieta. "Examination of the influence of macro and microscopic parameters of limestone on the effectiveness of gas phase desulphurisation according to the method of wet limestone." E3S Web of Conferences 44 (2018): 00152. http://dx.doi.org/10.1051/e3sconf/20184400152.

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The essence of the research was to develop a correlation dependence between the degree of limestone grinding and the efficiency of boiler flue gas desulfurization. The design of the Installation of Flue Gas Desulfurization (FGD) in the slurry of ground limestone begins with the assumption (based on literature data or experience gained from previously completed and operated installations) of a certain pH value of this slurry in the reactor tank. The reagent is not yet indicated, its extraction location, its chemical composition, grain size and reactivity are not determined. Application practice and economics of these processes have shown that calcium reagents are the most advantageous in application because of the general availability of limestone, its large mining resources, existing infrastructure for its extraction, the network of suppliers and the purchase cost acceptable by the recipients. On a global scale, more than 90% of the flue gas desulfurization plant is treated with limestone [1]. The effectiveness of the desulfurization process is high, and some believe that the decisive influence is on the degree of limestone fragmentation dissolution rate of CaCO3 in the absorption slurry, its reactivity to absorbed SO2, the pH of the absorption slurry.
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Zhou, Zheng, and Cheng Qiu. "Research on the Preparation of Baking-Free Brick Using the Tailings of Flue Gas Desulfurization of Pyrolusite Slurry." Advanced Materials Research 726-731 (August 2013): 2771–77. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.2771.

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This paper studies the preparation of baking-free brick using the tailings of flue gas desulfurization of pyrolusite slurry, aiming to explore the optimal technological conditions. Experimental results show that the particle size of the tailings of flue gas desulfurization of pyrolusite slurry with the concentration up to 95% is below 80μm, which are the appropriate material for the preparation of baking-free bricks. "Byproduct tailings of flue gas desulfurization of pyrolusite slurry - cement cementitious materials - water" system is a relatively good ingredient program. The test results indicate that the flexural and compressive strength of the baking-free brick sample increases with the rise of forming pressure. Appropriately adding the dosage of binder could improve the flexural and compressive strength of the baking-free brick sample, but when it is added to a certain degree, the strength will decrease instead. To sum up, the optimal parameters of the baking-free brick product are shown as follows: desulfurization tailings: cementitious materials = 5:1, the forming pressure is 20 MPa, the moisture content is 10% and the natural curing time is controlled in the range of 7-28 days.
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Liu, Ding Ping, and Hai Long Yu. "A Study of Experimental and Improved Absorption Model for the Spray Towers of Wet Flue Gas Desulfurization." Advanced Materials Research 550-553 (July 2012): 574–79. http://dx.doi.org/10.4028/www.scientific.net/amr.550-553.574.

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The wet flue gas desulfurization has been the most widely used in the coal-fired power plants because of high SO2removal efficiency, reliability and low utility consumption. A mathematical model of limestone/gypsum wet flue gas desulfurization (WFGD) system was developed based on the two-film theory of mass-transfer. In the one-dimensional two-film theory , the concentration of SO2in the bulk of the liquid(cAs) is difficult to accurately determine. The authors derive the accurate calculation of the value of cAs on the basis of the one-dimensional mass transfer model, making the model in line with the actual process. The model predictions were verified by experimental data. Experimental investigations of the effects of different operating variables on the SO2removal showed the reasonable process parameters such as the pH value of the liquid phase, droplet size of the spray and the flow rates of liquid and gas. Keep the slurry flow in a 50 ml/min, adjust the flue gas flow changes. Keep the flue gas flow in 5 l/min, adjust the flow slurry changes. The experimental results reveal that the model can describe the processes in this absorber well. Some experimental parameters (temperature, flue gas velocity) are difficult to accurately control, the model can give them fluence on the desulfurization efficiency.
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Pu, Pengyan, Lin Yang, Lu Yao, Xia Jiang, and Wenju Jiang. "The Formation of Manganous Dithionate in the Manganese Oxide Flue Gas Desulfurization." Recent Innovations in Chemical Engineering (Formerly Recent Patents on Chemical Engineering) 12, no. 4 (October 28, 2019): 287–95. http://dx.doi.org/10.2174/2405520412666190821102847.

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Background & Objective: The Manganous Dithionate (MnS2O6, MD) was formed during the flue gas desulfurization process over manganese ore slurry, which impeded the following valuable using of the desulfurized lixivium. In this study, the MD formation and restraint in the desulfurization process using manganese was carefully investigated. Methods & Results: Different type of manganese oxides/carbonate was used for the flue gas desulfurization, and the MD formation with the process was detected to obtain the basic information of the MD formation and restraint. The MD was directly formed by the uncompleted oxidation of SO2 with MnO2. The increased MD formation by Mn2O3, Mn3O4 and MnCO3 was due to their influence on the pH of slurry. Processability study showed that an increase in the acidity of slurry, the gaseous oxygen content and reaction temperature could inhibit the MD formation effectively. The optimum operating conditions to restrain the MD formation were temperature higher than 60°C, 10% or more oxygen and slurry pH lower than 3. The formed MD content was different with the different manganese compounds, which cloud be controlled by the ore-proportioning in industrial application. Conclusion: Using anolyte to prepare the manganese slurry for desulfurization could perform a good MD formation restraint, which provided valuable technical support for the cleaner production of electrolytic manganese industry.
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Liu, Hong Lei, Zhi Qi Wang, and Lei Zhang. "Test and Application of Desulfurization Catalyst." Advanced Materials Research 781-784 (September 2013): 2577–81. http://dx.doi.org/10.4028/www.scientific.net/amr.781-784.2577.

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Explains the principle and reaction mechanism of desulfurization catalyst. Introduces the test applying desulfurization catalyst in WFGD (wet flue gas desulfurization) system of 320MW generating units operating in thermal power plant. Desulfurization efficiency is improved significantly by using desulfurization catalyst of 100 μ g/g to 600 μ g/g concentrations. To save electricity, stopping the top level slurry pump is the priority.
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Li, Shui E., Fu Zhong Wu, and Qian Wang. "pH Control of Flue Gas Desulfurization in Sintering Process with Pyrolusite." Advanced Materials Research 864-867 (December 2013): 1592–97. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.1592.

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The effect of rhodochrosite as the annexing agent of pH of pyrolusite slurry on desulfurization and manganese leaching was studied. The influence of the byproduct of sulfuric acid in the sintering flue gas desulfurization process on desulfurization and resource utilization of absorbent was also investigated. The results show that rhodochrosite produced the same effect as a pH buffering agent. High desulfurization and manganese leaching rates were maintained for a long period. This study showed the possibility of resource utilization of low-grade rhodochrosite.
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Liao, Yong Jin, Ming Zhai, Fang Yong Li, Wei Qiang Shi, Yu Zhang, and Peng Dong. "Experimental Study on Desulfurization of Fly Ash Slurry." Applied Mechanics and Materials 148-149 (December 2011): 487–90. http://dx.doi.org/10.4028/www.scientific.net/amm.148-149.487.

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This paper designs a bubbling type of desulfurization reactor, which simulates flue gas nitrogen and sulfur dioxide according to a certain flow ratio, equipped with absorber through into the bubbling type desulfurization absorb and reactor by iodine volume method, measures import and export of SO2 concentration and pH value of absorber. The desulfurization rate of fly ash slurry is measured in the small drum bubble desulfurization reactor device. Results show that increasing the concentration of fly ash and entrance SO2 concentration, and decreasing particle size of fly ash will increase the desulfurization rate of fly ash slurry. The main mechanisms of fly ash desulfurization are physical adsorption and chemical adsorption.
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Chen, Chuanmin, Songtao Liu, Yang Gao, and Yongchao Liu. "Investigation on Mercury Reemission from Limestone-Gypsum Wet Flue Gas Desulfurization Slurry." Scientific World Journal 2014 (2014): 1–6. http://dx.doi.org/10.1155/2014/581724.

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Secondary atmospheric pollutions may result from wet flue gas desulfurization (WFGD) systems caused by the reduction of Hg2+to Hg0and lead to a damping of the cobenefit mercury removal efficiency by WFGD systems. The experiment on Hg0reemission from limestone-gypsum WFGD slurry was carried out by changing the operating conditions such as the pH, temperature, Cl−concentrations, and oxygen concentrations. The partitioning behavior of mercury in the solid and liquid byproducts was also discussed. The experimental results indicated that the Hg0reemission rate from WFGD slurry increased as the operational temperatures and pH values increased. The Hg0reemission rates decreased as the O2concentration of flue gas and Cl−concentration of WFGD slurry increased. The concentrations of O2in flue gas have an evident effect on the mercury retention in the solid byproducts. The temperature and Cl−concentration have a slight effect on the mercury partitioning in the byproducts. No evident relation was found between mercury retention in the solid byproducts and the pH. The present findings could be valuable for industrial application of characterizing and optimizing mercury control in wet FGD systems.
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Liu, Yutong, Wenju Jiang, Lu Yao, Lin Yang, and Xia Jiang. "Manganese Ore-based Wet Flue-Gas Desulfurization: A Review." Recent Innovations in Chemical Engineering (Formerly Recent Patents on Chemical Engineering) 13, no. 3 (June 21, 2020): 180–93. http://dx.doi.org/10.2174/2405520413666200122092300.

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The removal of SO2 from flue gases is necessary for eliminating haze and controlling acid rain. However, developing the traditional wet and dry flue-gas desulfurization (FGD) is challenging due to the disposal issue of several byproducts. Manganese (Mn) orebased wet FGD possesses many advantages, including good desulfurization property, low cost, and high economic benefit. The environment friendliness and reusability of MnSO4 provide new ideas and methods in the future research direction of FGD. This review summarizes the background information of Mn ore slurry desulfurization, the desulfurization mechanism, the technological process, and the desulfurization devices. The role of operating parameters, such as temperature, liquid/solid ratio, pH, SO2 concentration, and particle size, in the desulfurization efficiency and manganese leaching rate are also discussed. The temperature (20°C-80°C) has exerted little effect on the desulfurization efficiency, whereas a low pH value is beneficial for SO2 removal. Moreover, a low inlet SO2 concentration and small particle size are beneficial for SO2 removal. The control and digestion techniques related to the byproduct (manganese dithionate) are also presented, along with the future development direction of Mn ore-based wet FGD in different industries.
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Dissertations / Theses on the topic "Flue Gas Desulfurization slurry"

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Norris, Pauline Rose Hack. "Arsenic and Selenium Distribution in Coal-Fired Plant Samples." TopSCHOLAR®, 2009. http://digitalcommons.wku.edu/theses/52.

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Arsenic and selenium distributions in coal-fired plant samples are studied. This research includes arsenic and selenium concentrations in samples of coal, fly ash, bottom ash, economizer ash, Flue Gas Desulfurization (FGD) slurry and flue gas taken from four power plants with the goal being to examine the distribution of these metals in these materials and calculate a materials balance for the system. All samples were analyzed using ICP-ES. This research shows that 60-80% of the arsenic in coal-fired plant samples will be associated with the fly ash. Approximately 35-55% of the selenium will be associated with the fly ash and approximately 30-40% will be associated with the FGD slurry materials. The amount of arsenic and selenium present in the flue gases escaping the stack is very little, 6-7% or less. Hopefully, research in this area will be helpful when setting emissions limits, identifying and disposing of hazardous wastes and improving air pollution control devices for maximum metal removal.
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Scott, Kevin David. "Electrochemical flue gas desulfurization." Diss., Georgia Institute of Technology, 1985. http://hdl.handle.net/1853/11145.

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Chiang, Ray-Kuang. "Calcium-based sorbents for flue gas desulfurization." Case Western Reserve University School of Graduate Studies / OhioLINK, 1995. http://rave.ohiolink.edu/etdc/view?acc_num=case1062008694.

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Carr, Kathryn E. "Evaluation of modified dry limestone process for flue gas desulfurization." Thesis, Virginia Tech, 1988. http://hdl.handle.net/10919/43382.

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Martin, Gregory Dean. "Microbial Community Composition and Activities in Wet Flue Gas Desulfurization Systems." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron1493919370366314.

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Taerakul, Panuwat. "Characterization of trace elements in dry flue gas desulfurization (FGD) by-products." Connect to this title online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1119038889.

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Thesis (Ph. D.)--Ohio State University, 2005.
Title from first page of PDF file. Document formatted into pages; contains xvii, 173 p.; also includes graphics Includes bibliographical references (p. 161-173). Available online via OhioLINK's ETD Center
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Iannacone, Meg M. "Evaluation of equalization basins as initial treatment for flue gas desulfurization waters." Connect to this title online, 2007. http://etd.lib.clemson.edu/documents/1202418446/.

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Pasini, Rachael A. "An Evaluation of Flue Gas Desulfurization Gypsum for Abandoned Mine Land Reclamation." The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1250605536.

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Paredez, Jose Miguel. "Coal-fired power plant flue gas desulfurization wastewater treatment using constructed wetlands." Thesis, Kansas State University, 2014. http://hdl.handle.net/2097/18255.

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Master of Science
Department of Civil Engineering
Natalie Mladenov
In the United States approximately 37% of the 4 trillion kWh of electricity is generated annually by combusting coal (USEPA, 2013). The abundance of coal, ease of storage, and transportation makes it affordable at a global scale (Ghose, 2009). However, the flue gas produced by combusting coal affects human health and the environment (USEPA, 2013). To comply with federal regulations coal-fired power plants have been implementing sulfur dioxide scrubbing systems such as flue gas desulfurization (FGD) systems (Alvarez-Ayuso et al., 2006). Although FGD systems have proven to reduce atmospheric emissions they create wastewater containing harmful pollutants. Constructed wetlands are increasingly being employed for the removal of these toxic trace elements from FGD wastewater. In this study the effectiveness of using a constructed wetland treatment system was explored as a possible remediation technology to treat FGD wastewater from a coal-fired power plant in Kansas. To simulate constructed wetlands, a continuous flow-through column experiment was conducted with undiluted FGD wastewater and surface sediment from a power plant in Kansas. To optimize the performance of a CWTS the following hypotheses were tested: 1) decreasing the flow rate improves the performance of the treatment wetlands due to an increase in reaction time, 2) the introduction of microbial cultures (inoculum) will increase the retention capacity of the columns since constructed wetlands improve water quality through biological process, 3) the introduction of a labile carbon source will improve the retention capacity of the columns since microorganisms require an electron donor to perform life functions such as cell maintenance and synthesis. Although the FGD wastewater collected possessed a negligible concentration of arsenic, the mobilization of arsenic has been observed in reducing sediments of wetland environments. Therefore, constructed wetlands may also represent an environment where the mobilization of arsenic is possible. This led us to test the following hypothesis: 4) Reducing environments will cause arsenic desorption and dissolution causing the mobilization of arsenic. As far as removal of the constituents of concern (arsenic, selenium, nitrate, and sulfate) in the column experiments, only sulfate removal increased as a result of decreasing the flow rate by half (1/2Q). In addition, sulfate-S exhibited greater removal as a result of adding organic carbon to the FGD solution when compared to the control (at 1/2Q). Moderate selenium removal was observed; over 60% of selenium in the influent was found to accumulate in the soil. By contrast, arsenic concentrations increased in the effluent of the 1/2Q columns, most likely by dissolution and release of sorbed arsenic. When compared to the control (at 1/2Q), arsenic dissolution decreased as a result of adding inoculum to the columns. Dissolved arsenic concentrations in the effluent of columns with FGD solution amended with organic carbon reached 168 mg/L. These results suggest that native Kansas soils placed in a constructed wetland configuration and amended with labile carbon do possess an environment where the mobilization of arsenic is possible.
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Barlas, Sajid Ali 1961. "Redox Transformations and Sulfur Speciation in Flue Gas Desulferization Sludge." Diss., The University of Arizona, 1995. http://hdl.handle.net/10150/191187.

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Changes in redox potential (Eh), major sulfur species and the solubility of selenium and boron in reduced flue gas desulfurization (FGD) sludge, when exposed to atmosphere were studied in laboratory experiments. Also the effect of organic carbon and temperature on reduction of FGD sludge and changes in concentration of major S species was studied. Stable isotopic ratios of sulfur and carbon compounds were used to investigate the possible pathways of S transformation in FGD sludge disposal site. Oxidation of reduced sludge appears to be a two step process, a fast step of chemical oxidation followed by a slow step of biological oxidation and is significantly affected by moisture content and mixing of the sludge. With the addition of organic carbon Eh of the FGD sludge dropped exponentially and reduction of sulfate initiated at Eh of about -75 mV and was maximum in the range of -265 to -320 mV. Temperatur8e of the profile and organic carbon appear to be the key factors affecting the rate and extent of reduction in flooded FGD sludge. Selenium solubility decreased four times as Eh dropped from 215 mV to -350 mV while boron solubility was unchanged in this range of Eh. Stable isotopic ratio of sulfate and sulfide are typical of bacterial reduction and suggest that only aqueous sulfate was being reduced. The low δ³⁴S values of CaSO₄ from the upper layers of profile indicate the production and upward movement of hydrogen sulfide gas in the FGD sludge.
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Books on the topic "Flue Gas Desulfurization slurry"

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Lunt, Richard R., and John D. Cunic. Profiles in Flue Gas Desulfurization. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2000. http://dx.doi.org/10.1002/9780470935446.

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Sudhoff, F. A. Shawnee flue gas desulfurization computer model users manual. Research Triangle Park, NC: U.S. Environmental Protection Agency, Industrial Environmental Research Laboratory, 1985.

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Miller, M. Michael. Flue gas desulfurization and industrial minerals: A bibliography. [Washington, DC: U.S. Bureau of Mines, 1993.

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Miller, M. Michael. Flue gas desulfurization and industrial minerals: A bibliography. [Washington, D.C.]: U.S. Dept. of the Interior, Bureau of Mines, 1993.

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Miller, M. Michael. Flue gas desulfurization and industrial minerals: A bibliography. [Washington, DC: U.S. Bureau of Mines, 1993.

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Klingspor, Jonas S. FGD handbook: Flue gas desulphurisation systems. London: IEA Coal Research, 1987.

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Dacey, P. W. Flue gas desulphurisation: System performance. London: IEA Coal Research, 1986.

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Melia, M. Flue gas desulfurization information system (FGDIS): Data base user's manual. Research Triangle Park, NC: U.S. Environmental Protection Agency, Air and Energy Engineering Research Laboratory, 1985.

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Dotson, R. L. Lime spray dryer flue gas desulfurization computer model users manual. Research Triangle Park, NC: U.S. Environmental Protection Agency, Air and Energy Engineering Research Laboratory, 1987.

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Dotson, R. L. Lime spray dryer flue gas desulfurization computer model users manual. Research Triangle Park, NC: U.S. Environmental Protection Agency, Air and Energy Engineering Research Laboratory, 1987.

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Book chapters on the topic "Flue Gas Desulfurization slurry"

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Devitt, Timothy W. "Flue Gas Desulfurization Systems." In Air Pollution Control Equipment, 355–73. Berlin, Heidelberg: Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-85144-5_11.

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Punshon, T., A. S. Knox, D. C. Adriano, J. C. Seaman, and J. T. Weber. "Flue Gas Desulfurization (FGD) Residue." In Biogeochemistry of Trace Elements in Coal and Coal Combustion Byproducts, 7–28. Boston, MA: Springer US, 1999. http://dx.doi.org/10.1007/978-1-4615-4155-4_2.

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Kadambi, J. R., R. J. Adler, M. E. Prudich, L. S. Fan, K. Raghunathan, S. J. Khang, and T. C. Keener. "Flue Gas Desulfurization for Acid Rain Control." In Dry Scrubbing Technologies for Flue Gas Desulfurization, 1–113. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-4951-2_1.

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Blythe, Gary. "Mercury Capture in Wet Flue Gas Desulfurization Systems." In Mercury Control, 261–76. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527658787.ch16.

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Chiang, Ray-Kuang, Gwanghoon Kwag, and Malcolm E. Kenney. "New Calcium-Based Sorbents for Flue Gas Desulfurization." In Dry Scrubbing Technologies for Flue Gas Desulfurization, 115–206. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-4951-2_2.

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Fueyo, N., A. Gomez, and J. F. Gonzalez. "A Comprehensive Mathematical Model of Flue-gas Desulfurization." In Progress in Industrial Mathematics at ECMI 2006, 290–95. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-71992-2_37.

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Duespohl, D. W., K. J. Sampson, S. Chattopadhyay, and M. E. Prudich. "Simulation and Optimization of a Granular Limestone Flue Gas Desulfurization Process." In Dry Scrubbing Technologies for Flue Gas Desulfurization, 775–817. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-4951-2_10.

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Mandal, D., R. Venkataramakrishnan, K. J. Sampson, and M. E. Prudich. "Fundamental Studies Concerning Calcium-Based Sorbents." In Dry Scrubbing Technologies for Flue Gas Desulfurization, 207–53. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-4951-2_3.

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Fan, L. S., E. Abou-Zeida, S. C. Liang, and X. Luo. "Sorbent Transport and Dispersion." In Dry Scrubbing Technologies for Flue Gas Desulfurization, 255–341. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-4951-2_4.

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Kadambi, J. R., P. Chinnapalaniandi, C. U. Yurteri, V. P. Kadaba, and M. A. Assar. "Transport Processes Involved in FGD." In Dry Scrubbing Technologies for Flue Gas Desulfurization, 343–420. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-4951-2_5.

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Conference papers on the topic "Flue Gas Desulfurization slurry"

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Santavicca, J. W. "Wet Flue Gas Desulfurization (WFGD) Slurry Spray Header Design System." In ASME 2005 Power Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pwr2005-50126.

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The Babcock & Wilcox Company (B&W) has developed a rule-driven design (RDD) computer application to speed the design of its wet flue gas desulfurization (WFGD) slurry spray header system including support steel. The application, written using the RuleStream RDD system, captures the talents of the many people involved in the spray system’s design, including those involved in process engineering, design engineering technology, structural mechanics, and technical design. B&W’s design standards and best practices are blended with fabricator capabilities and industry standards to form the application rules. Third-party software (for example CAESAR II) and proprietary computer programs are leveraged by the application courtesy of the RuleStream RDD architecture. The application seeks to automate the routine first 80% of the design, while providing interfaces to complete the design or explore “what-if” situations. Interfaces allow the evaluation of spray coverage, pipe velocities, pressure drop, physical clearances, weights, and stresses. The application generates drawings, a solid model, and a bill of material for fabrication. Using the application, repeatable, consistent results are achieved. There is a higher confidence in the generated design and a reduction in design cycle time. This saved time may be allocated to exploring alternative designs, pursuing fabricator quotes, performing contract level analysis in the proposal phase, or may be applied to other areas of the WFGD design.
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Liu, Quanbo, Xiaoli Li, Kang Wang, and Yang Li. "CPS-based Slurry pH Control in Wet Flue Gas Desulfurization System." In 2020 Chinese Control And Decision Conference (CCDC). IEEE, 2020. http://dx.doi.org/10.1109/ccdc49329.2020.9164744.

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Liu, Jian, Xiaoli Li, and Yang Li. "PH Control of Slurry in Wet Flue Gas Desulfurization Based on Model Free Adaptive Control." In 2020 IEEE 9th Data Driven Control and Learning Systems Conference (DDCLS). IEEE, 2020. http://dx.doi.org/10.1109/ddcls49620.2020.9275200.

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Jiang Yuze, Chen Chuanmin, Jiang Lixing, Liu Songtao, and Gao Yang. "Control of Hg0 re-emission from wet flue gas desulfurization slurry by sodium dithiocarbamate." In 2013 IEEE 8th Conference on Industrial Electronics and Applications (ICIEA 2013). IEEE, 2013. http://dx.doi.org/10.1109/iciea.2013.6566487.

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Qiao, Zongliang, Fengqi Si, Jianxin Zhou, Lei Zhang, Xuezhong Yao, and Wenyun Bao. "Monitoring method of slurry quality in wet flue gas desulfurization system based on fuzzy C-means clustering." In 2016 3rd International Conference on Systems and Informatics (ICSAI). IEEE, 2016. http://dx.doi.org/10.1109/icsai.2016.7810949.

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Zhong, Zhaoping, Basheng Jin, Jixiang Lan, Changqing Dong, and Hongchang Zhou. "Experimental Study of Municipal Solid Waste (MSW) Incineration and Its Flue Gas Purification." In 17th International Conference on Fluidized Bed Combustion. ASMEDC, 2003. http://dx.doi.org/10.1115/fbc2003-011.

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This paper presents experimental study of fluidized absorption process for flue gas purification of co-combustion of municipal solid waste (MSW) and coal in a circulating fluidized bed Combustor (CFBC) test rig. The test rig is composed of a CFBC, coal/MSW feeding subsystem, ash cycle subsystem and flue gas purification subsystem. In the circulating fluidized bed, section area of fluidized bed is 230mm × 230mm and the freeboard is 460mm × 395mm. The total height of the test facility is 8m; height of bed and freeboard are 1.5m and 6m respectively. The preheated air enters the bed as primary air passing through distributor and provides oxygen for combustion. Six movable tubes immerged within the bed are used in adjusting the bed temperature. The cyclone separator is fixed up at the exit of chamber. The separated ashes return to chamber through the recycling feeder for decreasing the carbon content in fly ash and promoting the combustion efficiency. The flue gas from the exit of cyclone separator enters the air preheater to preheat the cold air at first, then enters the flue gas purification facility, finally be discharged into air by induced drafted fan passing through the stack. Coal is carried to a positive pressure feeding entrance by screw feeder and enters the bed. Secondary air is injected into a sealed end feeding pipe under MSW feeder, for enhancing the mixture in furnace, providing the oxygen for combustion and preventing from MSW remaining in the feeding pipe. The material of bed is silicon sand. Fluidized absorption facility for flue gas purification in MSW incineration is mainly composed of humidification system, absorption tower, flue gas reheater, fabric filter, slurry making pool, sediment pool and measurement subsystem. The temperature of flue gas from boiler by induced draft fan reduces to 120°C when flue gas enters the humidification region, which can increase the ability of acid gas absorption and prevent the slurry evaporation. When flue gas and limestone slurry enter the absorption tower, the three-phase material of gas, liquid and solid generates intense mixing and forms bubbling layer. The acid gases in flue gas are absorbed by limestone slurry, and a large amount of dusts are collected in reaction tank. Feeding oxidation air into slurry and agitating slurry simultaneously so as to promote the inner circulation of slurry and oxygenization of calcium sulphite. Flue gas passes through undulate demister which has high efficiency and low resistance, then enters fabric filter after reheating, finally be discharged into the stack by induced draft fan. The mixture of slurry and gypsum is emitted into the sediment pool through bottom and clear liquid in sediment pool returns to slurry making pool or absorption tower. The test results are as follows: the combustion efficiency is greater than 95%, the carbon content of fly ash is lower than 8%, and the loss of slag combustion is lower than 5%. When sorbent is limestone slurry, the concentration of slurry is 1%, the circulating ratio is 3, the jet rate is 5∼15m/s. The immerged depth of bubbling pipe under the slurry is 140mm. In the fluidized absorption facility for flue gas purification of MSW incineration, the desulfurization efficiency is >90%, the de-nitrification efficiency is 20∼30%, the de-chlorination efficiency is >80%, the removal efficiency of dust, heavy metal and dioxins are >99%, >98.6% and 99.35% respectively. After passing through fluidized absorption facility for flue gas purification of MSW incineration, when the concentration of O2 is 11%, the emission concentration of every components in flue gas are: SO2 is 20∼50mg/Nm3, NOx is 130∼270 mg/Nm3, HCl is 7∼12 mg/Nm3, HF is ∼8 mg/Nm3, CO2 is7∼8%, dust is 23∼67 mg/Nm3, Cr is 0.2172 mg/Nm3, Cu is 0.0454 mg/Nm3, Pb is 0.2963 mg/Nm3, Zn is 0.2074 mg/Nm3, Fe is 2.834 mg/Nm3, As is 1.112 × 10−3 mg/Nm3, Hg is 2.38 × 10−4 mg/Nm3 and dioxins is 0.1573 ng/Nm3. These emission concentrations are all lower than the Chinese emission standards. Some of them come close to the emission standards of developed country.
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Silaen, Armin, Bin Wu, Chenn Q. Zhou, and William Breen. "Numerical Model of FGD Unit in Power Plant." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37720.

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Numerical model technique was employed to model the reactive multiphase flow inside a flue gas desulfurization (FGD) unit. The model was divided into two parts: (a) the absorption tower model and (b) the reaction tank model. Eulerian-Lagrangian approach was employed in the absorption tower model. Discrete phase model was used to model the limestone slurry droplets and the SO2 absorption by the limestone slurry was included in the model. Eulerian-Eulerian approach was employed in the reaction tank model where the oxidation of the slurry to form gypsum was modeled. The absorption tower model and the reaction tank model are coupled. Parametric studies were performed to investigate the SO2 removal efficiency of the unit.
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Buecker, Brad. "Important Concepts of Wet-Limestone Flue Gas Desulfurization." In ASME 2008 Power Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/power2008-60064.

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Many utilities are installing wet flue gas desulfurization (FGD) systems to comply with tighter sulfur dioxide regulations. These installations will introduce many utility engineers and other technical personnel to a sometimes complex air pollution control technology. This paper outlines fundamental concepts of wet limestone FGD, particularly in the most common design, spray towers. Topics will include liquid-to-gas ratio, chemistry operating parameters, limestone grinding and classification, materials selection for a rugged environment, byproduct disposal, and scrubber performance monitoring. The paper will also briefly review cutting-edge alternatives to spray towers.
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Guo, Bin, Zhe Zhu, Ailing Ren, and Yuanming Guo. "Leaching characteristics of semidry flue gas desulfurization products." In 2009 International Conference on Energy and Environment Technology (ICEET 2009). IEEE, 2009. http://dx.doi.org/10.1109/iceet.2009.387.

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Werncke Vieira, Lara, Tiago Haubert Andriotty, Paulo Smith Schneider, Augusto Delavald Marques, Jakeline Osowski Tomazi, and GUILHERME LACERDA DE OLIVEIRA. "ENERGY PENALTY MODEL FOR FLUE GAS DESULFURIZATION SYSTEMS." In Brazilian Congress of Thermal Sciences and Engineering. ABCM, 2018. http://dx.doi.org/10.26678/abcm.encit2018.cit18-0832.

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Reports on the topic "Flue Gas Desulfurization slurry"

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Gardner, N., M. Keyvani, and A. Coskundeniz. Flue gas desulfurization by rotating beds. Office of Scientific and Technical Information (OSTI), January 1992. http://dx.doi.org/10.2172/7170260.

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Author, Not Given. Confined zone dispersion flue gas desulfurization demonstration. Office of Scientific and Technical Information (OSTI), February 1992. http://dx.doi.org/10.2172/7296798.

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Author, Not Given. Confined zone dispersion flue gas desulfurization demonstration. Office of Scientific and Technical Information (OSTI), December 1992. http://dx.doi.org/10.2172/6634187.

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Moore, Joe, Preom Sarkar, and Djuna Gulliver. Biological Treatment of Flue Gas Desulfurization Wastewater. Office of Scientific and Technical Information (OSTI), February 2021. http://dx.doi.org/10.2172/1766571.

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Gardner, N., M. Keyvani, and A. Coskundeniz. Flue gas desulfurization by rotating beds. Final technical report. Office of Scientific and Technical Information (OSTI), December 1992. http://dx.doi.org/10.2172/10103400.

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Michael W. Grutzeck, Maria DiCola, and Paul Brenner. BUILDING MATERIALS MADE FROM FLUE GAS DESULFURIZATION BY-PRODUCTS. Office of Scientific and Technical Information (OSTI), March 2006. http://dx.doi.org/10.2172/881574.

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Wu, M. M., D. C. McCoy, R. O. Scandrol, M. L. Fenger, J. A. Withum, and R. M. Statnick. PRODUCTION OF CONSTRUCTION AGGREGATES FROM FLUE GAS DESULFURIZATION SLUDGE. Office of Scientific and Technical Information (OSTI), May 2000. http://dx.doi.org/10.2172/794137.

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National Energy Technology Laboratory. Advanced Flue Gas Desulfurization (AFGD) Demonstration Project, A DOE Assessment. Office of Scientific and Technical Information (OSTI), August 2001. http://dx.doi.org/10.2172/787341.

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G. Blythe, B. Marsh, S. Miller, C. Richardson, and M. Richardson. ENHANCED CONTROL OF MERCURY BY WET FLUE GAS DESULFURIZATION SYSTEMS. Office of Scientific and Technical Information (OSTI), June 2001. http://dx.doi.org/10.2172/828035.

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Unknown. ENHANCED CONTROL OF MERCURY BY WET FLUE GAS DESULFURIZATION SYSTEMS. Office of Scientific and Technical Information (OSTI), June 2001. http://dx.doi.org/10.2172/794238.

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