Environmental and economic assessment of a greenhouse waste heat exchange |
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| Authors: | R AndrewsAuthor VitaeJM PearceAuthor Vitae |
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| Institution: | Department of Mechanical and Materials Engineering, Queen’s University, 60 Union St. Kingston, ON K7L 3N6, Canada |
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| 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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| Keywords: | Industrial symbiosis Waste heat Exchange Greenhouse Industrial ecology By-product exchange |
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