Underground coal gasification - Part I: Field demonstrations and process performance

被引：128
|
作者：
Perkins, Greg [1 ]
机构：
[1] Martin Parry Technol, Brisbane, Qld 4001, Australia
来源：
PROGRESS IN ENERGY AND COMBUSTION SCIENCE | 2018年 / 67卷
关键词：
Underground coal gasification; Fluid flow; Chemical reaction; Field demonstrations; CAVITY GROWTH; ENERGY; MODEL; WATER;
D O I：
10.1016/j.pecs.2018.02.004
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Underground coal gasification can convert deep coal resources into synthesis gas for use in the production of electricity, fuels and chemicals. This paper provides a review of the various methods of undertaking underground coal gasification and observations from demonstrations of the process in the field. A general representation of the underground process is presented, along with an identification of the various zones and associated governing phenomena. The main factors affecting the performance of underground coal gasification, such as coal rank, depth and thickness and oxidant composition and injection rate are examined in detail. A brief assessment of the economic and environmental considerations relevant to underground coal gasification projects is presented. Finally, guidelines for site and oxidant selection are provided based on the learnings from prior demonstration projects. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：158 / 187
页数：30
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