Circular Economy and Fly Ash Management
This book presents a number of innovative uses of fly ash. Fly ash is a fine powder that is a byproduct of burning pulverized coal in thermal power plants. It is a pozzolan – a substance containing aluminous and siliceous material that when mixed with lim
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Circular Economy and Fly Ash Management
Circular Economy and Fly Ash Management
Sadhan Kumar Ghosh Vimal Kumar Editors
Circular Economy and Fly Ash Management
123
Editors Sadhan Kumar Ghosh Department of Mechanical Engineering Jadavpur University Kolkata, West Bengal, India
Vimal Kumar Centre for Fly Ash Research and Management New Delhi, Delhi, India
ISBN 978-981-15-0013-8 ISBN 978-981-15-0014-5 https://doi.org/10.1007/978-981-15-0014-5
(eBook)
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Preface
The generation, management, treatment and disposal of fly ash all over the world have been regarded as serious issues of solid waste. Fly ash is a coal combustion residue of coal-/lignite-based thermal power plants (C/LBTPS). Global energy demand is set to increase by almost 50% in the period 2016–2040. Coal, the most abundant fossil fuel on the planet, is relatively cheap with some of the largest deposits in regions that are relatively stable politically, such as China, India and the USA. In the last half-century, coal has been a dominant player in energy generation worldwide and is projected to maintain its dominance in decades to come. Much of this growth will continue to be concentrated in the developing world, primarily China and India, and will propel the need for energy in general and coal in particular. India is the third largest producer of coal. Indian coal has high ash content, nearly 30–45%, and produces a large quantity of fly ash at C/LBTPS. Nearly 73% of India’s total installed power generation capacity is thermal, of which coal-based generation is 90%. Nearly 35–40% fly ash in bituminous or sub-bitum
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