期刊
WATER RESEARCH
卷 36, 期 13, 页码 3261-3264出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0043-1354(02)00017-9
关键词
sewage sludge; drying; pyrolysis; dielectric heating; microwaves
This paper describes a new method for pyrolyzing sewage sludge using a microwave furnace. It was found that if just the raw wet sludge is treated in the microwave, only drying of the sample takes place. However, if the sludge is mixed with a small amount of a suitable microwave absorber (such as the char produced in the pyrolysis itself) temperatures of up to 900degreesC can be achieved, so that pyrolysis takes place rather than drying. Microwave treatments were also compared with those carried out in a conventional electric furnace, as well as the characteristics of their respective carbonaccous solid residues. (C) 2002 Elsevier Science Ltd. All rights reserved.
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