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An Integrated Approach to the Utilization of Low Rank Coals and Biofuel

 

作者: Subhasis Sen, Meera Sen, Nandita Moitra,  

 

期刊: Energy Sources  (Taylor Available online 1999)
卷期: Volume 21, issue 7  

页码: 567-572

 

ISSN:0090-8312

 

年代: 1999

 

DOI:10.1080/00908319950014506

 

出版商: Informa UK Ltd

 

关键词: Char;Coal;Hydrocarbon;Low Temperature Carbonization;Tar;Vegetal Wastes

 

数据来源: Taylor

 

摘要:

While suggesting an integrated approach for utilization of inferior low rank coals for power in India, the importance of low temperature carbonization followed by retrieval of all value-based products has been stressed. It is further suggested that tar, obtained in the process, could be hydrogenated and fractionated in a central plant for conversion to hydrocarbons. High ash char, the principal product of pyrolysis, has been experimentally found to be amenable to beneficiation, yielding suitable fractions for power generation, briquetting, or blending. Experimental studies have shown that forest litters and agricultural wastes, containing significant proportions of spore, cuticle, and exine considered as precursors of hydrocarbon-generating coal macerals also yield large quantities of tar, ammonical liquor, and the principal product, char, which can be respectively utilized for the production of petroleum substitutes, value-based chemicals, and source material for blending, briquette making, and char-water slurries, opening up new avenues for fuel utilization and conservation.

 

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