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As the challenges and cost for waste management have grown over the years, an interesting development has occurred – the separation and management of individual waste streams. In the wastewater treatment area, options for the disposal of biosolids are continually being assessed, offered and challenged. This assessment focuses on the direct cost associated with postprocessing cost (lime stabilization, landspreading, compost application). Officials must also balance public acceptance for biosolids disposal under the growing guidance of watershed management strategies.

In a parallel fashion, federal and state solid waste regulations call for the continued efforts to “Reduce, Reuse, and Recycle,” particularly as it applies to public entities. Similarly, solid waste managers are also required to look at post-processing cost (recyclables), transportation cost (separate collection for waste and recyclables), and disposal cost (landfills, incineration, compost application).

We now have a unique opportunity to integrate waste management strategies that will allow us to:

Effectively integrate planning to lower overall costs

Create more opportunities for disposal through co-composting (even within watersheds)

Simplify public participation.

Through co-composting of municipal solid waste and biosolids, the integration of “postprocessing,” “transportation,” and “disposal” can be addressed together. Groupe Conporec, of Tracy, Quebec, Canada, is a private solid waste management company that has partnered with a municipality to effectively manage both waste streams. Our discussion will focus on the following topics as it relates to co-composting with biosolids:

Ability to accept biosolids over a wide range of moisture contents

Compost quality with respect to metals concentrations, phosphorus loadings, and watershed management practices (case study – Delaware County, New York, permitting)

Odor controls.

Document Type: Research Article


Publication date: 2000-01-01

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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 These proceedings are not peer reviewed.

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