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Sustainability 2012, 4(1), 92-105; doi:10.3390/su4010092

A Sustainable Ethanol Distillation System

* ,
Faculty of Engineering and Applied Science, University of Ontario Institute of Technology, Oshawa, ON L1H 7K4, Canada
* Author to whom correspondence should be addressed.
Received: 2 November 2011 / Revised: 19 December 2011 / Accepted: 20 December 2011 / Published: 4 January 2012
(This article belongs to the Special Issue Sustainable Manufacturing)
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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.
Keywords: ethanol; heat exchanger; distillation; waste heat recovery; fruit and vegetable waste ethanol; heat exchanger; distillation; waste heat recovery; fruit and vegetable waste
This is an open access article distributed under the Creative Commons Attribution License (CC BY) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Yang, Y.; Boots, K.; Zhang, D. A Sustainable Ethanol Distillation System. Sustainability 2012, 4, 92-105.

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