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A Sustainable Ethanol Distillation System

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Author Info

  • Yuelei Yang

    ()
    (Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, Oshawa, ON L1H 7K4, Canada)

  • Kevin Boots

    ()
    (Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, Oshawa, ON L1H 7K4, Canada)

  • Dan Zhang

    ()
    (Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, Oshawa, ON L1H 7K4, Canada)

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    Abstract

    The discarded fruit and vegetable waste from the consumer and retailer sectors provide a reliable source for ethanol production. In this paper, an ethanol distillation system has been developed to remove the water contents from the original wash that contains only around 15% of the ethanol. The system has an ethanol production capacity of over 100,000 liters per day. It includes an ethanol condenser, a wash pre-heater, a main exhaust heat exchanger as well as a fractionating column. One unique characteristic of this system is that it utilizes the waste heat rejected from a power plant to vaporize the ethanol, thus it saves a significant amount of energy and at the same time reduces the pollution to the environment.

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    File URL: http://www.mdpi.com/2071-1050/4/1/92/pdf
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    File URL: http://www.mdpi.com/2071-1050/4/1/92/
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    Bibliographic Info

    Article provided by MDPI, Open Access Journal in its journal Sustainability.

    Volume (Year): 4 (2012)
    Issue (Month): 1 (January)
    Pages: 92-105

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    Handle: RePEc:gam:jsusta:v:4:y:2012:i:1:p:92-105:d:15524

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    Web page: http://www.mdpi.com/

    Related research

    Keywords: ethanol; heat exchanger; distillation; waste heat recovery; fruit and vegetable waste;

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