Digesting one million tons of organic residuals

Article Abstract:

Around 1 million tons a year of organic residuals (wet weight) are currently digested across the world for conversion to biogas and stabilized residual matter. The solid wastes treated include mixed wastes and source separated biowastes. The investment costs for anaerobic digestion are between 1.2 times and 1.5 times greater than for aerobic composting. Anaerobic digestion has several clear control points, such as rate and yield of gas production, and is therefore well suited to a structure of Hazard Assessment Critical Control Points-based recycling.

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Three sorts for commercial food residuals

Article Abstract:

A five month composting program, Three Sorts and You're Out, was organized by the Alameda County, California Community Food Bank. The project helped feed hungry people through discarded produce and provide animal feed and compost feedstock through residuals. Trucks collected about 115 tons of recoverable organics. The project helped wholesalers to avoid additional charges for produce disposal and to claim income tax credits. A list of recommendations for initiating future programs for the recovery of commercial food waste is given.

Reports, Compost

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Managing fast growth and residuals in Fox Valley: case study in Wisconsin

Article Abstract:

A feasibility study is underway in Fox Valley, Wisconsin, to determine the technical, organizational, regulatory and economic impacts of collecting organic residuals in a single processing facility. The creation of such a facility is expected to reduce waste management costs for farms, municipal agencies and industries in the region, as well as generate revenue from soil amendment product sales and facilitate compliance with environmental regulations.

Wisconsin, Planning, Waste minimization, Waste reduction

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