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RISS 인기검색어
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- 저자 : ( Junhwa Kown ) (검색결과 1 건)
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( Youngjae Ko ),( Jun-gu Kang ),( Younghyun Kwon ),( Ha-nyoung Yoo ),( Youngjin Lee ),( Junhwa Kown ),( Tae-wan Jeon ),( Sun-kyoung Shin ) 한국폐기물자원순환학회(구 한국폐기물학회) 2019 ISSE 초록집 Vol.2019 No.-
There is a growing interest in waste recycling and energy recovery around the world. In Korea, efforts are being made to maximize the utilization of incineration heat as the incineration tax reduction policy is implemented. However, in some industries, it is difficult to separate wastes due to physical and economic reasons. Particularly, there is a problem that some incombustible wastes are brought into incineration facilities, and the incidence of incineration residues (bottom ash) exceeds 40% based on statistical data. Incombustible wastes supplied into the incinerator cause deterioration of plants and have a negative impact on the recovery of incineration heat energy due to reduced calorific value of wastes supplied to the incinerator. In this study, the actual survey on the industrial waste incineration facilities in Korea was investigated, and the physical and chemical characteristics of waste and the material flow in the facilities were analyzed. In order to determine the ratio incombustible wastes, we firstly analyzed the composition ratio of each composition by weight through sorting of wastes. Secondly, we conducted the ignition loss analysis of each composition samples. As a result, the average ratio of incombustible wastes treated at the industrial waste incineration facilities (4 sites) was about 26.7% and the amount of combustible was about 63.0%. In addition, the ratio of the incineration residues was estimated through the moisture correction of the residues discharged after the incineration process. The analysis result was about 26.4%, which is similar to the incombustibility of the input waste (26.7%). Also, the calorific value of each composition samples was analyzed. The calorific value of the waste (including designated waste) supplied to the incinerator was estimated to be about 4,000 ~ 5,000kcal/kg. As a result of the actual survey, the ratio of incombustibles in the wastes treated at the industrial waste incineration facilities was estimated to be about 26%, and the calorific value of the wastes was enough to maintain the proper temperature (900~1,100 oC) of the combustion chamber. However, it is necessary to establish a more thorough management system for wastes mixed with a large amount of incombustibles such as some construction wastes and illegal landfill wastes.
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