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Ash Ponds and Ash Disposal Systems

V.S. Raju, etc. (Herausgeber)

Buch | Hardcover
425 Seiten
2001
Narosa Publishing House (Verlag)
978-81-7319-092-6 (ISBN)
75,95 inkl. MwSt
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This book addresses the subject of disposal of ash by wet or dry techniques, in ash ponds or ash mounds. It discusses the minimization of environmental impact, and policy issues and strategies for safe management of ash disposal systems.
The quantity of ash generated from the combustion of coal at various thermal power plants is expected to reach the level of 100 million tonnes per annum by the year 2000. Even with an optimistic utilization level of 30 percent, 70 million tonnes of unutilized ash will have to be disposed of in a safe manner on large tracts of land. This book addresses the subject of disposal of ash by wet or dry techniques, in ash ponds or ash mounds. The latest information relating to slurry transport systems, dry handling as well as design and operation of ash ponds and ash mounds is presented. Minimization of environmental impact, reclamation of old ash ponds and utilization/bulk storage of ash in embankments and fills are covered. Policy issues and strategies for safe management of ash disposal systems are discussed. Design engineers should find the topics of hydraulic design, pump selection, dense phase pneumatic conveying, raising of dyke heights, residual sediment discharge control, human settlements on ash ponds, ash embankments, structural fills and control of pollution to be of great utility.
This book should provide useful information for operation and maintenance engineers at thermal power plants; researchers working in the area of ash disposal and utilization; students of civil engineering and mechanical engineering; policy makers in the power sector as well as the environmental sector; and consulting engineers involved in design and construcion of ash disposal systems.

Part 1 Ash Disposal - Slurry Transport: Hydraulic Design of Ash Disposal Pipeline; Hydraulic Transportation of Fly Ash at Higher Concentration; Improvization of Ash Handling Technology at Farakka; Pumps for Slurry Transport. Part 2 Ash Disposal - Dry Handling: Pneumatic Conveying of Dry Flyash - Concept and System Design; Dense Phase Pneumatic Conveying of Flyash at PSEB Ropar and Hirakud Power Project Sambalpur; Operational Experience of Dry Ash Handling at NCPP Dadri; Recent Developments in Dry Ash Handling. Part 3 Geotechnical Characteristics of Ash: Geotechnical Characterization of Pond Ash; Spatial Variation of Ash Characteristics in and Ash Pond; Geotechnical Characteristics of Compacted Soil-Flyash for Embankment of Ash Pond. Part 4 Ash Ponds and Ash Mounds - Design, Construction and Operation: Ash Ponds and Decanting Systems - Design, Construction and Operational Aspects; Raising the Height of Dykes of Ash Ponds - Design and Construction Aspects; Ash Mounds for Dry Ash Disposal - Design, Construction and Operational Aspects; Long-Term Monitoring of Phreatic Surface in Ash Ponds; Residual Sediment Discharge Control in Ash Disposal Ponds; Ash Disposal Case Study Relating to Guru Gobind Singh Super Thermal Plant, Ropar. Part 5 Reclamation of Ash Ponds: Human Settlement on Ash Ponds - Design, Construction and Environmental Aspects; "In Situ" Densification of Deposited Ash Slurry. Part 6 Ash Embankments and Ash Fills: Flyash in Construction of Roads and Embankments; Structural Filling with Ash - a Case Study; Fly Ash - a Potential Filling Material in Civil Engineering Works; Role Geosynthetics in Construction of Flyash Dykes and Other Structural Fills. Part 7 Monitoring and Control of Pollution - Air, Surface Water and Ground Water: Management of Ash Ponds and Ash Mounds for Pollution Control in Coal-Based Thermal Power Stations; Ash Disposal on Land - Environmental Concerns and Land Management Strategies; Environmental Impacts of Ash Ponds and Measures for Pollution Control; Assessment of Ground Water Contamination Potential Around Ash Ponds Through Field Sampling - a Review; Ground Water Contamination Around Ash Ponds; Control of Pollution - Air, Surface Water and Ground Water; Geo-Environmental Aspects of Fly Ash Utilization and Disposal. Part 8 Future Vision: Technology Vision for India up to 2000; Flyash Utilization - a Mission Mode Approach; Bulk Utilization of Flyash in Roads and Embankments; Fly Ash - Technology Options for Converting a Liability into an Asset; Dry Handling, Usage and Disposal of Ash; Safety Aspects of Disposal Lagoons for Ashes.

Erscheint lt. Verlag 17.1.2001
Zusatzinfo maps
Verlagsort New Delhi
Sprache englisch
Gewicht 1077 g
Themenwelt Naturwissenschaften Biologie Ökologie / Naturschutz
Technik Elektrotechnik / Energietechnik
ISBN-10 81-7319-092-5 / 8173190925
ISBN-13 978-81-7319-092-6 / 9788173190926
Zustand Neuware
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