Utilization of Fly Ash in Mine Stowing: An investigation to assess the suitability of fly ash and pond ash for stowing in underground coal mines - Softcover

Mishra, Devi Prasad

 
9783846598047: Utilization of Fly Ash in Mine Stowing: An investigation to assess the suitability of fly ash and pond ash for stowing in underground coal mines
Softcover
ISBN 10: 3846598046 ISBN 13: 9783846598047
Verlag: LAP LAMBERT Academic Publishing, 2011

Inhaltsangabe

In recent years, fly ash is a subject of worldwide concern due to considerable environmental importance. It has been recognised that use of fly ash in stowing or backfilling of mines is an attractive solution to its disposal problems. Characteristics of fly ash and its response to imposed load must be studied beforehand for its effective utilization in stowing. This research work presents the physico-chemical characterization of fly ash of two thermal power stations located in the eastern part of India utilizing Talcher coal as fuel for power generation to assess their suitability for stowing in underground coal mines. An effort has been made to enhance the settling of fly ash particles and water drainage from the hydraulically stowed pond ash using polymeric flocculant. Besides, the geotechnical properties, viz. the compaction and consolidation properties of the fly ash are studied in this research. Lastly, the competency of stowed pond ash in taking load of the overlying strata has also been predicted. This research will be useful for the mining professionals, researchers, and students as a guide to assess the suitability of fly ash for stowing and help in its bulk utilization.

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Reseña del editor

In recent years, fly ash is a subject of worldwide concern due to considerable environmental importance. It has been recognised that use of fly ash in stowing or backfilling of mines is an attractive solution to its disposal problems. Characteristics of fly ash and its response to imposed load must be studied beforehand for its effective utilization in stowing. This research work presents the physico-chemical characterization of fly ash of two thermal power stations located in the eastern part of India utilizing Talcher coal as fuel for power generation to assess their suitability for stowing in underground coal mines. An effort has been made to enhance the settling of fly ash particles and water drainage from the hydraulically stowed pond ash using polymeric flocculant. Besides, the geotechnical properties, viz. the compaction and consolidation properties of the fly ash are studied in this research. Lastly, the competency of stowed pond ash in taking load of the overlying strata has also been predicted. This research will be useful for the mining professionals, researchers, and students as a guide to assess the suitability of fly ash for stowing and help in its bulk utilization.

Biografía del autor

Devi Prasad Mishra, Assistant Professor, Dept. of Mining Engg., ISM, Dhanbad received his Ph.D in Mining Engg. from IIT, Kharagpur and M.Tech in Mine Planning and Design from ISM. His areas of specialization are stowing with fly ash, mine ventilation and environmental Engg. He is a recipient of Dr. Rajendra Prasad Memorial Prize from IE (India).

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Verlag
LAP LAMBERT Academic Publishing
Erscheinungsdatum
2011
Sprache
Englisch
ISBN 10 
3846598046
ISBN 13 
9783846598047
Einband
Tapa blanda
Anzahl der Seiten
172
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Verantwortliche Person
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