Abstract
Abstract This study aims at providing an economic assessment for incineration plants which recover heat during its incineration pro-cess. In this study, Life Cycle Cost(LCC) of incineration plants is performed based on each regression analysis formula for con-struction cost, operation cost, and heat generation in order to compare economic feasibility. The result shows that the incinerationplant recovering waste heat while processing 80 tons of waste per day increases both initial investment and operation cost butthis type of an incineration plant has economical predominance from the recovered waste heat over the one that does not recoverheat when being operated for more than eleven years if the retrieved heat replaces the use of LNG. And its payback time reachesmore than 19 years in case of selling heat and performing emission trading.Key words : Incineration plant, Waste heat recovery, Life cycle cost, Regression analysis, Economic assessment · Received : December 12, 2013 · Revised : February 11, 2014 · Accepted : April 2, 2014Corresponding Author : Seongju Chang (E-mail : schang@kaist.ac.kr)Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology, W16-404, 291Daehak-ro, Yuseong-gu, Daejeon 305-701, KoreaTel : +82-42-350-3627 / Fax : +82-42-350-4540ⓒThe Korean Institute of Resources Recycling. All rights reserved. This is an open-access article distributed under the termsof the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permitsunrestricted non-commercial use, distribution and reproduction in any medium, provided the original work is properly cited.
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