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ISSN : 2093-2332(Print)
ISSN : 2287-5638(Online)
Journal of Korea Society of Waste Management Vol.35 No.8 pp.721-730

A Study on the Correlation between Heavy Metal Content of Cement Products and Waste Used in Cement Industry

Yong-Jun Kim, Nam-Il Um, Woo-Il Kim, Young-Kee Lee, Ki-Heon Kim
Resource Recirculation Research Division, Environmental Resources Research Department, National Institute of Environmental Research
Corresponding author : Ki-Heon Kim, Director, National Institute of Environmental Research,, 032-560-7503


We investigated the effects of heavy metals in cement in the last 3 years and the amount of waste in the cement manufacturing process. The result shows that the average Cr6+ content in cement products is controlled at 10 mg/kg. Cu and Pb have lower detection tendency in white cement than in ordinary portland cement. In addition, heavy metals such as Cd show a certain level of detection regardless of the input wastes. Copper slag and phosphate gypsum are the main influencing factors on the heavy metals in cement products. In auxiliary fuels, plastics waste and wood waste are considered to affect heavy metals in cement products. Alternative raw materials are considered to be affected by the alternative raw materials managed as byproducts. In the case of supplementary fuels, auxiliary fuels managed as waste instead of auxiliary fuels managed as byproducts affect the heavy metals in cement. This study examined the input amount without considering the heavy metals in each waste. Therefore, the result may vary in different situations, and further research must be conducted to supplement the findings. However, if the heavy-metal contents in the waste are constant, it can be used as a reference material for the control of heavy metals in cement products.

시멘트 산업에 투입되는 폐기물과 시멘트 제품의 중금속 함유량과의 상관관계 분석연구

김용준, 엄남일, 김우일, 이영기, 김기헌
국립환경과학원 자원순환연구과