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Coal Fired Flue Gas Mercury Emission Controls
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Book Synopsis Coal Fired Flue Gas Mercury Emission Controls by : Jiang Wu
Download or read book Coal Fired Flue Gas Mercury Emission Controls written by Jiang Wu and published by Springer. This book was released on 2015-03-17 with total page 157 pages. Available in PDF, EPUB and Kindle. Book excerpt: Mercury (Hg) is one of the most toxic heavy metals, harmful to both the environment and human health. Hg is released into the atmosphere from natural and anthropogenic sources and its emission control has caused much concern. This book introduces readers to Hg pollution from natural and anthropogenic sources and systematically describes coal-fired flue gas mercury emission control in industry, especially from coal-fired power stations. Mercury emission control theory and experimental research are demonstrated, including how elemental mercury is oxidized into oxidized mercury and the effect of flue gas contents on the mercury speciation transformation process. Mercury emission control methods, such as existing APCDs (air pollution control devices) at power stations, sorbent injection, additives in coal combustion and photo-catalytic methods are introduced in detail. Lab-scale, pilot-scale and full-scale experimental studies of sorbent injection conducted by the authors are presented systematically, helping researchers and engineers to understand how this approach reduces the mercury emissions in flue gas and to apply the methods in mercury emission control at coal-fired power stations. Readers will arrive at a comprehensive understanding of various mercury emission control methods that are suitable for industrial applications. The book is intended for scientists, researchers, engineers and graduate students in the fields of energy science and technology, environmental science and technology and chemical engineering.
Book Synopsis Control of mercury emissions from coalfired electric utility boilers interim report including errata dated 32102 by :
Download or read book Control of mercury emissions from coalfired electric utility boilers interim report including errata dated 32102 written by and published by DIANE Publishing. This book was released on with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mercury Control by : Evan J. Granite
Download or read book Mercury Control written by Evan J. Granite and published by John Wiley & Sons. This book was released on 2015-01-20 with total page 479 pages. Available in PDF, EPUB and Kindle. Book excerpt: This essential handbook and ready reference offers a detailed overview of the existing and currently researched technologies available for the control of mercury in coal-derived gas streams and that are viable for meeting the strict standards set by environmental protection agencies. Written by an internationally acclaimed author team from government agencies, academia and industry, it details US, EU, Asia-Pacific and other international perspectives, regulations and guidelines.
Book Synopsis Mercury Emission and its Control in Chinese Coal-Fired Power Plants by : Jinsong Zhou
Download or read book Mercury Emission and its Control in Chinese Coal-Fired Power Plants written by Jinsong Zhou and published by Springer. This book was released on 2015-01-13 with total page 154 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Mercury Emission and its Control in Chinese Coal-Fired Power Plants" focuses on investigating mercury emissions samplings and measurement in Chinese coal-fired power plants, mercury emission estimations and future trends, mercury speciation transformation during coal combustion, mercury control and mercury stability in byproducts. The book not only introduces mercury emissions from actual coal-fired power plants, but also presents studies on the mechanism of mercury emission and its control. This is a valuable reference for engineering thermal physicists, thermal engineers, and chemical engineers. Jinsong Zhou, Zhongyang Luo, and Mengxiang Fang are Professors in the College of Mechanical and Energy Engineering, Zhejiang University, China. Yanqun Zhu is Associate Professor in the College of Mechanical and Energy Engineering, Zhejiang University, China.
Book Synopsis Clean Coal Technology by : Barry Leonard
Download or read book Clean Coal Technology written by Barry Leonard and published by DIANE Publishing. This book was released on 2008-12 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Clean Coal Technology Demo. Program, the Power Plant Improvement Initiative, and the Clean Coal Power Initiative are gov¿t. and industry co-funded programs. Their goal is to demonstrate a new generation of innovative coal-utilization technologies in a series of projects carried out across the country. These demonstrations are conducted on a commercial scale to prove the technical feasibility of the technologies and to provide technical and financial info. for future applications. Recently, it has been determined that mercury emitted by coal-fired power plants is detrimental to human health and to the environ. This report describes 3 projects that demonstrate technologies that remove mercury from coal and reduce other pollutants as well. Ill.
Book Synopsis Clean Air Act by : John B. Stephenson (au)
Download or read book Clean Air Act written by John B. Stephenson (au) and published by DIANE Publishing. This book was released on 2005-12 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: In March 2005, the EPA issued a rule that will limit mercury emissions (ME) -- a toxic element that causes neurological problems -- from coal-fired power plants, the nation's largest ind'l. source of ME. Under the rule, ME are to be reduced from a baseline of 48 tons/yr. to 38 tons in 2010 & to 15 tons in 2018. The ME target for 2010 is based on the level of ME achievable with technol. for controlling other pollutants -- which also capture some mercury -- because it believed emerging mercury controls had not been adequately demonstrated. This report: describes the use, availability, & effectiveness of technol. to reduce ME at power plants; & identifies the factors that influence the cost of these technol. & reports on available cost estimates. Tables.
Book Synopsis Coal-Fired Electricity and Emissions Control by :
Download or read book Coal-Fired Electricity and Emissions Control written by and published by . This book was released on 2018-05 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: The most abundant energy source in our world is coal. Coal-fired power generation comes with significant costs to environment and human health. The water runoff from coal washeries carries pollution loads of heavy metals that contaminate ground water, rivers, and lakes e thus affecting aquatic flora and fauna. Fly-ash residue and pollutants contaminate soil and are especially harmful to agricultural activities. Most importantly for human health, combustion of coal releases emissions of sulfur dioxide (SO2), nitrogen oxides (NOx), particulate matter (PM), carbon monoxide (CO), volatile organic compounds (VOCs), and various trace metals like mercury, into the air through stacks that can disperse this pollution over large areas. All educated people in the world are worried about the environmental problems caused by coal based power plants. The burning of coal adds mainly to increase acid rain and hence increase air pollution which in turn is a cause of global warming, harm to flora and fauna and damage of property. Environmental regulations for coal-fired power plants in the world cover a comprehensive range of very tedious requirements. New regulations were implemented from 2014 in China, USA and European Union which fixed the `emission limits¿ very low for SO2 , NOx, mercury particulate for coal-fired power generation plants. Now it is the time to evaluate emission control technologies whether the technologies can be helpful in achieving the new lower emission limits. Coal-fired Electricity and Emissions Control covers innovative trends and reviews dealing emissions of carbon dioxide (CO2), sulfur dioxide (SO2), and nitric oxide (NO) from thermal power plants and its control strategy. The analysis shows that aggressive pollution control regulations such as mandating flue gas desulfurization, introduction and tightening of emission standards for all criteria pollutants, and updating procedures for environment impact assessments, are imperative for regional clean air and to reduce health impacts. It presents insights into the coal fired power plants using modern technologies pollute less than firstborn designs due to these new technologies that filter the flue gases in stacks; however various pollutants are still being emitted in several times higher amounts than natural gas based and other power plants.
Book Synopsis Advances in Ultra-low Emission Control Technologies for Coal-Fired Power Plants by : Yongsheng Zhang
Download or read book Advances in Ultra-low Emission Control Technologies for Coal-Fired Power Plants written by Yongsheng Zhang and published by Woodhead Publishing. This book was released on 2019-07-12 with total page 273 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Ultra-low Emission Control Technologies for Coal-Fired Power Plants discusses the emissions standards of dust, SO2, NOx and mercury pollution, also presenting the key technologies available to control emissions in coal-fired power plants. The practical effects of ultra-low emissions projects included help the reader understand related implications in plants. Emphasis is placed on 300MW subcritical, 600MW subcritical, 660MW supercritical and 1000MW ultra-supercritical coal-fired units. The influence of different pollutant control units, such as wet electrostatic precipitator, desulfurization equipment and the electrostatic precipitator are also analyzed, and the pollutant levels before and after retrofitted ultra-low emissions are compared throughout. Provides a unique analysis of advanced technologies, such as dust-removal, desulfurization and denitrification used for ultra-low emissions in coal-fired power plants Introduces emission standards for dust, SO2, NOx and Mercury pollution from coal-fired power plants in China, the US and Europe Provides solutions to reducing emissions based on technological advances in China Analyzes the environmental and economic effects of these technologies
Book Synopsis Multipollutant emission control technology options for coalfired power plants prepared by E. Stratos Tavoulareas and Wojciech Jozewicz. by :
Download or read book Multipollutant emission control technology options for coalfired power plants prepared by E. Stratos Tavoulareas and Wojciech Jozewicz. written by and published by DIANE Publishing. This book was released on with total page 139 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Fossil Fuel Emissions Control Technologies by : Bruce G. Miller
Download or read book Fossil Fuel Emissions Control Technologies written by Bruce G. Miller and published by Butterworth-Heinemann. This book was released on 2015-05-15 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: An expert guide to emission control technologies and applications, Fossil Fuels Emissions Control Technologies provides engineers with a guide to link emission control strategies to available technologies, allowing them to choose the technology that best suits their individual need. This includes reduction technologies for Nitrogen Oxides, Sulfur Oxides, Mercury and Acid Gases. In this reference, the author explains the most critical control technologies and their application to real-world regulatory compliance issues. Numerous diagrams and examples emphasizing pollution formation mechanisms, key points in pollutant control, and design techniques are also included. Provides numerous diagrams and examples to emphasize pollution formation mechanisms Coverage of critical control technologies and their application to real-world solutions Explains Sulfur Oxides, Acid Gases, Nitrogen Oxides Formation and Organic HAPs, Control and Reduction Technologies Covers Particulate Matter and Mercury Emissions Formation and Reduction Technologies
Book Synopsis Trace Element Behaviour in Pulverised Fuel Fired Power Plants by : Harald Thorwarth
Download or read book Trace Element Behaviour in Pulverised Fuel Fired Power Plants written by Harald Thorwarth and published by Cuvillier Verlag. This book was released on 2007 with total page 145 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Emission and Control of Trace Elements from Coal-Derived Gas Streams by : Yongchun Zhao
Download or read book Emission and Control of Trace Elements from Coal-Derived Gas Streams written by Yongchun Zhao and published by Woodhead Publishing. This book was released on 2019-07-12 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Emission and Control of Trace Elements from Coal-Derived Gas Streams presents an up-to-date and focused analysis on Trace element (TEs) emissions and control strategies during coal utilization. This book provides insights into how TE’s in coal are distributed from different coal-forming periods, coal ranks and coal-bearing regions. As the emission and control of TEs during coal utilization are a significant concern, this book introduces TEs in coal and pollution in an accessible way before discussing why they occur and how they are distributed during various stages of coal forming, also considering various regions and countries. Specific types of TEs in relation to partition in coal combustion, coal fires, gasification and coal feed furnace are then analyzed, providing the reader with practical knowledge to apply to their own research or projects. This book is an essential reference for energy engineers researching and working in coal technology, with a specific focus on emission control, as well as graduate students and researchers in energy engineering, environmental, thermal and chemical engineering who have an interest in trace element emission and control from coal utilization. Presents characteristics of TE emissions during coal utilization in laboratory-scale experiments, industrial furnaces and power plants Considers different legislation and case studies from various regions and countries Includes contributions from world renowned experts Presents a concise and focused analysis on TE emissions and control strategies
Book Synopsis Fundamental Understanding of Mercury Removal from Coal Combustion by : Erdem Sasmaz
Download or read book Fundamental Understanding of Mercury Removal from Coal Combustion written by Erdem Sasmaz and published by Stanford University. This book was released on 2011 with total page 195 pages. Available in PDF, EPUB and Kindle. Book excerpt: Coal-fired power plants are a major anthropogenic source of worldwide mercury (Hg) emissions. Since mercury is considered to be one of the most toxic metals found in the environment, Hg emissions from coal-fired power plants is of major environmental concern. Mercury in coal is vaporized into its gaseous elemental form throughout the coal combustion process. Elemental Hg can be oxidized in subsequent reactions with other gaseous components (homogeneous) and solid materials (heterogeneous) in coal-fired flue gases. While oxidized Hg in coal-fired flue gases is readily controlled by its adsorption onto fly ash and/or its dissolution into existing solution-based sulfur dioxide (SO2) scrubbers, elemental Hg is not controlled. The extent of elemental Hg formed during coal combustion is difficult to predict since it is dependent on the type of coal burned, combustion conditions, and existing control technologies installed. Therefore, it is important to understand heterogeneous Hg reaction mechanisms to predict the speciation of Hg emissions from coal-fired power plants to design and effectively determine the best applicable control technologies. In this work, theoretical and experimental investigations have been performed to investigate the adsorption and in some cases the oxidation, of Hg on solid surfaces, e.g., calcium oxide (CaO), noble metals and activated carbon (AC). The objective of this research is to identify potential materials that can be used as multi-pollutant sorbents in power plants by carrying out both high-level density functional theory (DFT) electronic structure calculations and experiments to understand heterogeneous chemical pathways of Hg. This research uses a fundamental science-based approach to understand the environmental problems caused by coal-fired energy production and provides solutions to the power generation industry for emissions reductions. Understanding the mechanism associated with Hg and SO2 adsorption on CaO will help to optimize the conditions or material to limit Hg emissions from the flue gas desulfurization process. Plane-wave DFT calculations were used to investigate the binding mechanism of Hg species and SO2 on the CaO(100) surface. The binding strengths on the high-symmetry CaO adsorption sites have been investigated for elemental Hg, SO2, mercury chlorides (HgCl and HgCl2) and mercuric oxide (HgO). It has been discovered that HgCl, HgCl2, and SO2 chemisorb on the CaO(100) surface at 0.125 ML coverage. Binding energies of elemental Hg are minimal indicating a physisorption mechanism. Noble metals such as palladium (Pd), gold (Au), silver (Ag), and copper (Cu) have been proposed to capture elemental Hg. Plane-wave DFT calculations have been carried out to investigate the mercury interactions with Pd binary alloys and overlays in addition to pure Pd, Au, Ag, and Cu surfaces. It has been determined that Pd has the highest mercury binding energy in comparison to other noble metals. In addition, Pd is found to be the primary surface atom responsible for increasing the adsorption of Hg with the surface in both Pd binary alloys and overlays. Deposition of Pd overlays on Au and Ag has been found to enhance the reactivity of the surface by shifting the d-states of surface atoms up in energy. The possible binding mechanisms of elemental Hg onto virgin, brominated and sulfonated AC fiber and brominated powder AC sorbents have been investigated through packed-bed experiments in a stream of air and simulated flue gas conditions, including SO2, hydrogen chloride (HCl), nitrogen oxide (NO) nitrogen dioxide (NO2). A combination of spectroscopy and plane-wave DFT calculations was used to characterize the sorption process. X-ray photoelectron spectroscopy (XPS) and x-ray absorption fine structure (XAFS) spectroscopy were used to analyze the surface and bulk chemical compositions of brominated AC sorbents reacted with Hg0. Through XPS surface characterization studies it was found that Hg adsorption is primarily associated with halogens on the surface. Elemental Hg is oxidized on AC surfaces and the oxidation state of adsorbed Hg is found to be Hg2+. Though plane-wave DFT and density of states (DOS) calculations indicate that Hg is more stable when it is bound to the edge carbon atom interacting with a single bromine bound atop of Hg, a model that includes an interaction between the Hg and an additional Br atom matches best with experimental data obtained from extended x-ray absorption fine structure (EXAFS) spectroscopy. The flue gas species such as HCl and bromine (Br2) enhance the Hg adsorption, while SO2 is found to decrease the Hg adsorption significantly by poisoning the active sites on the AC surface. The AC sorbents represent the most market-ready technology for Hg capture and therefore have been investigated by both theory and experiment in this work. Future work will include similar characterization and bench-scale experiments to test the metal-based materials for the sorbent and oxidation performance.
Book Synopsis Big Stone II Power Plant and Transmission Project by :
Download or read book Big Stone II Power Plant and Transmission Project written by and published by . This book was released on 2009 with total page 410 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Trace Element Emissions by : Leslie L. Sloss
Download or read book Trace Element Emissions written by Leslie L. Sloss and published by . This book was released on 2000 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The American Energy Initiative, Part 5: Recent E.P.A. Rulemakings Relating to Boilers ..., Serial No. 112-41, April 15, 2011, 112-1 Hearing, * by :
Download or read book The American Energy Initiative, Part 5: Recent E.P.A. Rulemakings Relating to Boilers ..., Serial No. 112-41, April 15, 2011, 112-1 Hearing, * written by and published by . This book was released on 2012 with total page 428 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Controlling SO2 emissionsa review of technologies by : Ravi K. Srivastava
Download or read book Controlling SO2 emissionsa review of technologies written by Ravi K. Srivastava and published by DIANE Publishing. This book was released on 2000 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt:
