coal gasification and its applications pdf

Coal Gasification And Its Applications Pdf

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This book addresses the science and technology of the gasification process and the production of electricity, synthetic fuels and other useful chemicals. Pursuing a holistic approach, it covers the fundamentals of gasification and its various applications. In addition to discussing recent advances and outlining future directions, it covers advanced topics such as underground coal gasification and chemical looping combustion, and describes the state-of-the-art experimental techniques, modeling and numerical simulations, environmentally friendly approaches, and technological challenges involved.

Henry, John P.

Coal Gasification and Its Applications

Underground coal gasification UCG is an industrial process which converts coal into product gas. UCG is an in-situ gasification process, carried out in non-mined coal seams using injection of oxidants and steam. The product gas is brought to the surface through production wells drilled from the surface. The predominant product gases are methane , hydrogen , carbon monoxide and carbon dioxide. Ratios vary depending upon formation pressure, depth of coal and oxidant balance. Gas output may be combusted for electricity production. Alternatively, the gas output can be used to produce synthetic natural gas, or hydrogen and carbon monoxide can be used as a chemical feedstock for the production of fuels e.

Coal gasification and its application

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Underground coal gasification

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Effect of operating parameters on coal gasification

Coal combustion and gasification are the processes to utilize coal for production of electricity and many other applications. Global energy demand is increasing day by day. Coal is an abundant source of energy but not a reliable source as it results into high CO 2 emissions. Energy industries are expected to decrease the CO 2 emission to prevent global warming.

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Recent Advances and Future Challenges

By David A. Bell , Brian F. Towler and Maohong Fan. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means electronic, mechanical, photocopying, recording or otherwise without the prior written permission of the publisher. Because of rapid advances in the medical sciences, in particular, independent verification of diagnoses and drug dosages should be made.

Skyrocketing energy costs have spurred renewed interest in coal gasification.

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