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The Western Lake Superior Sanitary District (WLSSD) initiated a Master Planning process to review its current biosolids program and to develop a plan that provides for long-term sustainability in terms of economics, environmental stewardship, and community values. Because WLSSD recognizes that acceptable markets for biosolids products are of paramount importance to the successful development of a sustainable biosolids management program, the WLSSD commissioned a biosolids market study. The goals of the market study was to evaluate relevant product development and market opportunities for WLSSD's existing Field GreenĀ® (Class B anaerobically digested biosolids cake) and a potential Class A biosolids cake product and Class A biosolids soil amendment product(s). Potential end users, required product characteristics, market potential, and potential market constraints, were evaluated so that WLSSD would have the needed information to make a final business decision regarding the development of future biosolids products.

The market study included a review of the existing Class B biosolids land application program. In addition, a survey was conducted of agencies throughout North America that operate innovative biosolids processing and end use systems in which their biosolids products are being marketed as soil amendments. Local and regional market surveying was also conducted within the greater Duluth metropolitan area (and northern Minnesota) to identify market constraints, opportunities, and service and other fee potential structures for Class A and Class B products in agriculture, horticulture, forestry, sod and biomass production. The methodology used in the market analysis is presented as well as the findings, conclusions and recommendations. The WLSSD is currently using this information to develop a plan which provides for the greatest flexibility and sustainability in their biosolids management program.

Document Type: Research Article


Publication date: January 1, 2007

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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 These proceedings are not peer reviewed.

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