물질흐름원가회계 및 전과정평가 기법을 활용한 팔라듐 재자원화 공정의 경제성 및 환경성분석
Economic and Environmental Analysis of Palladium Recycling Processes Using MFCA and LCA
신가영(인하대학교); 이성유(인하대학교 순환경제환경시스템전공); 황용우(인하대학교); 강홍윤(인하대학교); 권택관(㈜제이엘이)
40권 2호, 93~105쪽
초록
In this study, economic and environmental effects were analyzed by linking material flow cost accounting (MFCA) and life cycle assessment (LCA) methodologies to the process of recycling palladium in a plated spent catalyst solution. Based on an MFCA analysis of recycling 1 kg of palladium, the results indicated that the positive product cost accounted for 82%, whereas 18% was the negative product cost due to material loss, resulting in a total of approximately KRW 139 million. The cost by mass factor indicated that the material cost, including the expenses for catalysts and chemicals, was the highest (57%), followed by the system cost, such as labor and maintenance costs (32%), and the waste management cost (10%). In addition, greenhouse gas (GHG) emissions of 1.97E+03 kgCO2eq were estimated as output cost by using the emission permit in the Korean emission trading system (K-ETS) market, which is equivalent to KRW 50,922. Although this additional output cost on waste management cost was insignificant when 1 kg of Palladium was recycled, this effect would be significant in the future when the amount of recycling increases. Additionally, if the output cost of GHG emissions is applied to the controlled entities under the K-ETS, the effect on waste management costs will be significant.
Abstract
In this study, economic and environmental effects were analyzed by linking material flow cost accounting (MFCA) and life cycle assessment (LCA) methodologies to the process of recycling palladium in a plated spent catalyst solution. Based on an MFCA analysis of recycling 1 kg of palladium, the results indicated that the positive product cost accounted for 82%, whereas 18% was the negative product cost due to material loss, resulting in a total of approximately KRW 139 million. The cost by mass factor indicated that the material cost, including the expenses for catalysts and chemicals, was the highest (57%), followed by the system cost, such as labor and maintenance costs (32%), and the waste management cost (10%). In addition, greenhouse gas (GHG) emissions of 1.97E+03 kgCO2eq were estimated as output cost by using the emission permit in the Korean emission trading system (K-ETS) market, which is equivalent to KRW 50,922. Although this additional output cost on waste management cost was insignificant when 1 kg of Palladium was recycled, this effect would be significant in the future when the amount of recycling increases. Additionally, if the output cost of GHG emissions is applied to the controlled entities under the K-ETS, the effect on waste management costs will be significant.
- 발행기관:
- 한국폐기물자원순환학회
- 분류:
- 환경공학