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Water Res. 2002 Jul;36(13):3261-4.

Microwave-induced pyrolysis of sewage sludge.

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  • 1Instituto Nacional del Carbon C.S.I.C., Oviedo, Spain. angelmd@incar.csic.es


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 900 degrees C 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 carbonaceous solid residues.

[PubMed - indexed for MEDLINE]
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