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LOW-TECHNOLOGY STORAGE AND AIR DRYING METHODS TO ACHIEVE CLASS A BIOSOLIDS

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Abstract:

Class A or pathogen-free biosolids are being produced by low-cost, low-technology biosolids treatment processes. The low-technology processes evaluated here are: long-term lagooning, air drying, combined lagooning/air drying, and cake storage. This paper summarizes work completed for a Water Environment Research Foundation project on this topic. Prior research work provides considerable information about these proceses and their pathogen reduction capabilities. The specific operating conditions for these processes are crucial to achieving Class A biosolids material, and summary guidance is included in this paper on process operating conditions and guidelines for these low-technology processes.

Document Type: Research Article

DOI: http://dx.doi.org/10.2175/193864704784138449

Publication date: January 1, 2004

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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