Environmental and Economic Assessment of a Greenhouse Waste Heat Exchange

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Date
2011
Authors
Andrews, Robert
Pearce, Joshua M.
Keyword
Industrial Symbiosis , Waste Heat , Exchange , Waste Exchange , Greenhouse , Industrial Ecology , By-Product Exchange , Heat Exchanger
Abstract
As the economic costs of energy and the negative externalities associated with the combustion of fossil fuels threaten the economic viability of greenhouses in northern climates there is a renewed interest in the use of waste heat. This paper presents a technical and economic methodology to determine the viability of establishing waste heat greenhouses using the waste heat from industrial processes in northern climates. A case study is presented of an exchange between a tomato greenhouse and a flat glass manufacturing plant, which found the waste heat system is significantly more economic to operate than a purely natural gas system.
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