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Mathematical Modeling for Underground Coal Gasification by Preeti Aghalayam

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CHAPTER 1

INTRODUCTION

Underground coal gasification, or UCG, is proposed as a clean coal technology for the future. While there has been some practice of UCG in recent history in Russia (Olness 1982) and Australia (Blinderman et al. 2008) the widespread deployment and commercialization of the technique are still not evident. UCG presents several features that are very attractive at first glance, and the worldwide communities of proponents of UCG, while small, are confident about the potential it affords.

The current world reserves of coal are estimated to be approximately 980 billion tons. The United States of America, Russia, China, Australia, and India top the charts as far as the estimated reserves of coal are concerned. Recent data collected ...

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