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Ultrasonic Coal-Wash for De-Ashing and De-Sulfurization

Experimental Investigation and Mechanistic Modeling

  • Book
  • © 2012

Overview

Authors:
  1. B. Ambedkar

    1. , Dept. of Chemical Engineering, Indian Institute of Technology Madras, Chennai, India

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  • Nominated by the Indian Institute of Technology Madras, India as an outstanding PhD thesis
  • Detailed description of physical aspects of ultrasonic de-ashing and desulfurization
  • Exploration of aqueous and solvent-based ultrasonic techniques for de-ashing and de-sulfurization
  • Includes supplementary material: sn.pub/extras

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (7 chapters)

  1. Front Matter

    Pages i-xix
    Download chapter PDF

  2. Introduction

    • B. Ambedkar
    Pages 1-6

  3. Literature Review

    • B. Ambedkar
    Pages 7-27

  4. Assessment of Fly-Ash Erosion Potential of Indian Coals

    • B. Ambedkar
    Pages 29-40

  5. Experimental Studies on Ultrasonic Coal Beneficiation

    • B. Ambedkar
    Pages 41-71

  6. Experimental Studies and Mechanistic Modeling of Reagent-Based Ultrasonic Coal De-Sulfurization

    • B. Ambedkar
    Pages 73-88

  7. Assessment of Benefits from Ultrasonic Coal-Wash (USCW)

    • B. Ambedkar
    Pages 89-93

  8. Summary, Conclusions and Recommendations

    • B. Ambedkar
    Pages 95-96

  9. Back Matter

    Pages 97-125
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Keywords

About this book

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.

Authors and Affiliations

  • , Dept. of Chemical Engineering, Indian Institute of Technology Madras, Chennai, India

    B. Ambedkar

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