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Title
World Bank - Integrated Resource Recovery
The Co-composting of Domestic Solid
and Human Wastes
Abstract
This report is part of a joint global research, development, and
demonstration effort of the United Nations Development Programme and the World
Bank. It reviews current literature and practices on the co-composting of
human waste (fresh nightsoil or sewage sludge) together with the organic
fraction of domestic solid waste (as well as with other wastes).
The report describes the composting process, reviews various co-composting
systems, and discusses health aspects such as pathogen destruction.
The uses of compost as a soil conditioner, mulch, fertilizer or for
land reclamation are also described.
The report also develops several cost/benefit models for economic
analysis of co-composting operations and outlines the economics of the process
as a whole. The focus of the analytical methodology is on developing countries.
The computer models are written for use on widely available microcomputers
and are designed so that they can be adapted to site-specific
economic conditions. A copy of the computer models is available on request.
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