Ultrasonic Coal-Wash for De-Ashing and De-Sulfurization electronic resource Experimental Investigation and Mechanistic Modeling / by B. Ambedkar.
Material type: TextSeries: Springer ThesesPublication details: Berlin, Heidelberg : Springer Berlin Heidelberg, 2012Description: XVIII, 126 p. online resourceContent type: text Media type: computer Carrier type: online resourceISBN: 9783642250170Subject(s): chemistry | Chemistry, Physical organic | Chemical engineering | Acoustics in engineering | Chemistry | Industrial Chemistry/Chemical Engineering | Physical Chemistry | Engineering AcousticsDDC classification: 660 LOC classification: TP155-156Online resources: Click here to access onlineLiterature review -- Assessment of fly-ash erosion potential of indian coals -- Experimental studies on ultrasonic coal beneficiation -- Experimental studies and mechanistic modeling of reagent-based ultrasonic coal de-sulfurization -- Assessment of benefits from ultrasonic coal-wash (uscw) -- Summary, conclusions and recommendations.
This study focuses on the physical aspects of ultrasonic de-ashing and de-sulfurization, such as cavitation, streaming and their combined effects. Ambedkar Balraj proposes an ultrasound-assisted coal particle breakage mechanism and explores aqueous and solvent-based ultrasonic techniques for de-ashing and de-sulfurization. Ambedkar designs a Taguchi L-27 fractional-factorial matrix to assess the individual effects of key process variables. In this volume he also describes process optimization and scale-up strategies. The author provides a mechanism-based model for ultrasonic reagent-based coal de-sulfurization, proposes a flow diagram for ultrasonic methods of high-throughput coal-wash and discusses the benefits of ultrasonic coal-wash. Coal will continue to be a major fuel source for the foreseeable future and this study helps improve its use by minimising ash and sulfur impurities.
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