Worm treatment produces "class A" biosolids

Article Abstract:

The Orange County Environmental Protection Dept., the city of Ocoee, FL, American Earthworm Co. and Mid Florida Mining conducted a pilot study designed to evaluate the effectiveness of pathogen stabilization of biosolids using vermiculture. Samples of worms and biosolids were analyzed by Tri-Tech Laboratories for the four pathogen indicators in the EPA's 40 CFR Part 503 regulations. Results show a significant reduction of total coliform and fecal coliform in the biosolids, indicating the effectiveness of vermiculture as a stabilization method for wastewater residuals.

Methods, Recycling (Waste, etc.), Recycling, Orange County, Florida

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Biosolids benefit agricultural land

Article Abstract:

The biosolids provided by the Bio Gro program of the Wheelabrator Water Technologies Inc. increases the water holding capacity and organic content of the alluvial soils in Arizona and flood damaged soils in Missouri. A 2% colloidal solution containing biosolids from wastewater treatment plants is pumped into solar beds and air dried to increase its solid content to 72%. The biosolids are provided free but the farmers pay for their transportation and spreading. Tests carried out indicate the feasibility of the composting and land application programs.

Usage, Services, Agricultural policy, Missouri, Phoenix, Arizona, Organic wastes, Wheelabrator Technologies Inc. Bio Gro Div.

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Making waves on Hawaii

Article Abstract:

Hawaii has begun developing recycling and composting programs but this start has been hampered by difficulties due to shipping costs and physical distance of markets. In spite of obstacles posed by overlapping state and local bureaucracies, some businesses still go into recycling. They are hopeful that joint ventures with foreign firms and the promotion of waste alternatives through education, market development and state procurement initiatives would enable Hawaiian recyclers to overcome their marketing and processing capability problems.

Analysis, Hawaii, Recycling industry

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