Co-processing: An energy recovery option for cities

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Co-processing is a technology for reusing waste as raw material or fuel, mainly in energy intensive industries, where it combines material/energy reuse and the final disposal/destination of solid waste in a single operation. It can contribute to the conservation of natural resources by replacing conventional energy sources (i.e. fossil fuels) and other raw materials with energy and materials recovered from waste, as well as reducing the waste generated in the manufacturing process, and so its overall environmental impact.

This type of treatment produces refuse-derived fuel (RDF) from urban solid waste, using its calorific value in furnaces and thermoelectric power plants. Co-processing often takes advantage of thermal waste-to-energy (WtE) by recovering its energy content. This presents one of the highest potentials for waste use, since the waste is incorporated into the manufacturing process. This solution is intended to encourage the private sector to reconsider ways of obtaining raw materials and energy, while also emphasizing the role of governments in creating enabling public policies.

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