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CO-BIO-DRYING OF MUNICIPAL SOLID WASTE AND SLUDGE

In the field of Municipal Solid Waste (MSW) management, one of the technologies who attracted a growing interest in the latest years is the mechanical/biological treatment (MBT) as a pre-treatment of waste before combustion. The final material from these processes, named generally Refuse Derived Fuel (RDF), after a refining stage can be incinerated or sent to coal fired power stations or to cement kilns. (Session A7: Composting (I))

The present paper concerns the critical analysis of a new way of treating sewage sludge. The need of new solutions related to a thermal way for sewage sludge management depends on the trend of the sludge sector in the European Union: landfilling will be no longer performed and the agricultural use of sludge could have more and more stringent limitations. The idea at the base of this paper is related to the possibility of co-treatment of two waste streams: residual municipal solid waste and sewage sludge. The aim is to exploit the exothermal reactions from the bio-chemical oxidation obtained through bio-drying. Same experimental data on pilot scale are presented together with a critical analysis of this approach.

Copyright:	© IWWG International Waste Working Group
Quelle:	General Session A (Oktober 2007)
Seiten:	10
Preis:	€ 0,00
Autor:	Dr.-Ing. Dipl. Marco Ragazzi Dr.-Ing. Dipl. Elena Cristina Rada Leonardo Fortarel
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