Weiguo Pan – författare
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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 presentedsystematically, 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.
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This book introduces the theory and applications of nanometer photocatalysis, and it briefly presents the concept of photocatalysts, photocatalytic reaction mechanisms and kinetics, and photocatalytic reactor design. In addition, the use of photocatalysis in the control of flue-gas pollutants is discussed in detail.
The book also describes how a photocatalytic reactor is designed and implemented to evaluate the photocatalytic oxidation capacity of different photocatalysts on elemental mercury in a simulated flue gas. After that, the effect of photocatalysts on the SO2, NOx and Hg removal in the flue gas is studied. Photocatalytic cleaning technology can be applied not only in gas pollutant cleaning at power plants, but also in wastewater purification.
Readers gain a comprehensive understanding of possible mercury emission control methods and the industrial applications of these technologies.
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1 851 kr
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This book systematically describes the latest research in low-temperature selective catalytic reduction catalysts, providing a theoretical basis and technical support. It first introduces the characteristics and formation mechanism of NOx and presents the control technology of nitrogen oxides at this stage along with the mechanism of low-temperature selective catalytic reduction reactions. In addition, the preparation methods and characterization techniques of these catalysts have been introduced. From this, readers can master the main technical methods required in low-temperature selective catalytic reduction catalyst research. Furthermore, it also covers the anti-poisoning mechanism of Mn-based, Ce-based, Fe-based, Cu-based and low-temperature selective catalytic reduction catalysts, presenting readers with the latest research achievements. Given its scope, this book appeals to a broad readership, particularly professionals at universities as well as engineers engaged in low-temperature selective catalytic reduction fields. It also can be treated as a valuable reference for scholars studying the field.