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

Experimental Investigation and Mechanistic Modeling

  • B.¬†Ambedkar

Part of the Springer Theses book series (Springer Theses)

Table of contents

About this book

Introduction

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.

Keywords

Acoustic Cavitation Acoustic Streaming Coal-Wash Micro-Jets Taguchi L-27 fractional-factorial matrix Ultrasound de-ashing Ultrasound de-sulfurization ash impurities sulfur impurities

Authors and affiliations

  • B.¬†Ambedkar
    • 1
  1. 1., Dept. of Chemical EngineeringIndian Institute of Technology MadrasChennaiIndia

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