인문학
사회과학
자연과학
공학
의약학
농수해양학
예술체육학
복합학
DBpia AI
AI 에이전트
AI 아이디어
AI 리더
AI 뷰어
Citeasy
크롬 서지관리 다운로드
지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
피인용 0
초록·키워드
The incineration rate of combustible household waste discharged using standard waste bags in Seoul city increased by about 6 times compared to about 20 years ago, reaching 58% as of 2022. From 2018 to 2022, the waste metals mixed in standard waste bags of Seoul city are the source of incinerated-iron, the discharge of which increases every year. However, the proportion recovered as incinerated-iron is varied, ranging from 4.7% to 39.7%, and the recovery rate is decreasing over the years. The proportion of incinerated-iron recovered from bottom ash is 1.2% to 2.1%, and the proportion of incinerated-iron among the recovered metals is 94.3% to 99.6%. All recovered incinerated-iron is sold, but its price is lower than the market price. The low recovery rate and low selling price are the current problems of incinerated-iron of Seoul. The recovery rate can be affected by the type of incoming waste, the performance of the magnetic separator, and the size and shape of incinerated-iron, and continuous research is needed to analyze these interrelationships. In addition, the low sales price of incinerated-iron is related to its quality and use. Incinerated-iron is recovered as iron oxide and sold with the incineration bottom ash still on the surface, greatly reducing usage. Future research is needed to improve the recovery quality of incinerated-iron and expand its uses.
본문·목차
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