Characteristic of Treatment Process from Municipal Solid Waste Incineration (MSWI) Bottom Ash

doi:None

All Issue

2009 Vol.46, Issue 6 Preview Page Next Page

Characteristic of Treatment Process from Municipal Solid Waste Incineration (MSWI) Bottom Ash 생활폐기물 소각 바닥재의 처리 공정 특성 연구: 엄남일, 한기천, 유광석, 김형석, 안지환
Nam-Il Um, Gi-Chun Han, Kwang-Suk You, Hyung-Seok Kim and Ji-Whan Ahn

31 December 2009. pp. 767-775

PDF

Abstract

In this study, we investigated the application of mineral process technology such as classification, magnetic separation, eddy-current separation and density separation, as well as the environmental stabilization of MSWI bottom ash during washing process with carbonation reaction, for the effective pre-treatment method. As the result, coarse iron, ferrous oxide and non-ferrous metal were separated by dry magnetic and eddy-current separation based on the particle size. And the decrease of chloride and heavy metal leaching concentration and the recovery of fine ferrous oxide were researched through the washing and density separation. Also, we planned the flowsheet for pre-treatment of bottom ash.

Keywords

Municipal solid waste

Bottom ash

Magnetic separation

Eddy-current separation

Density separation

Carbonation reaction

본 연구에서는 생활폐기물 소각 바닥재의 처리공정 특성을 연구하고자 분리 특성 및 안정화 특성을 연구하였다. 자원처리 기술인 입도분리(sizing), 자력선별(magnetic separation), 와류정전선별(eddy-current separation), 비중선별 그리고 수세처리를 이용하여 분리특성을 확인하였으며, 특히 수세처리 시 탄산화 반응을 일으켜 불용성 염화물의 제거와 중금속 용출량의 감소를 유도하여 바닥재의 안정화 특성을 확인하였다. 그 결과 입도 분급을 통해 확인된 철편(iron), 산화철(ferrous oxide), 비철금속(non-ferrous metal) 염화물은 자력선별, 와류정전선별, 비중선별 그리고 수세처리에 의해 분리가 가능하였다. 또한, 수세처리 시 탄산화 반응을 통해 90% 이상의 염화물을 제거시킬 수 있었으며, 납과 구리의 용출량을 각각 0.3 ppm과 0.2 ppm을 0.01 ppm이하로 감소시켰다. 생활폐기물 소각바닥재를 대상으로 한 각 처리기술의 연구 결과를 통해 처리 공정도를 계획하여, 효율적인 전처리 방법을 유도하였다.

키워드

생활 폐기물 소각 바닥재

자력선별

와류정전선별

비중선별

탄산화 반응

References

안지환, 2006, “생활폐기물 소각 바닥재의 처리 기술,” 한국지구시스템공학회지, Vol. 43, pp. 1-10.
안지환, 한기천, 김형석, 2001, “생활폐기물 소각재 중 바닥재의 특성,” J. of Korean Inst. of Resources Recycling, Vol. 10, pp. 48-57.
엄남일, 한기천, 유광석, 조희찬, 안지환, 2007, “생활폐기물 소각 바닥재의 자력선별에 따른 ferrous material의 분리 특성,” J. of Korean Inst. of Resources Recycling, Vol. 16, pp. 19-26.
조영도, 엄남일, 한기천, 안지환, 이경훈, 반봉찬, 2007, “생활폐기물 소각 바닥재의 수세처리에 따른 염화물 특성,” 한국지구시스템공학회지, Vol. 44, pp. 1-7.
환경부, 2007, 2006 전국 폐기물 발생 및 처리 현황.
Ahn, J.H., Um, N.I., Han, G.H., You, K.S. and Cho, H.C., 2006, “Effect of carbonation in removal of chlorice from municipal solid waste incineration bottom ash,” Geosystem Engineering, Vol. 9, pp. 247-251.
Chimenos, J.M., Fernadez, A.I., Miralles, L., Segarra, M. and Espiell, F., 2003, “Short-term natural weathering of MSWI bottom as a function of particle size,” Waste Management, Vol. 23, pp. 887-895.
Gerven, T.V., Keer, E.V., Arickx, S., Jaspers, M., Warters, G. and Vandecasteele, C., 2005, “Carbonation of MSWIbottom ash to decrease heavy metal leaching, in view of recycling,” Waste Management, Vol. 25, pp. 291-300.
Polettini, A. and Pomi, R., 2004, “The leaching behavior of incinerator bottom ash as affected by accelerated ageing,” Journal of hazardous Materials, Vol. 113, pp. 209-215.
Rem, P.C., Vries, C.D., Van Kooy, L.A., Bevilacqua, P. and Reuter, M.A., 2004, “The Amsterdam pilot on bottom ash,” Minerals Engineering, Vol. 17, pp. 363-365.
Wiles, C. and P. Shepherd, 1999, “Beneficial use and recycling of municipal waste combustion residues comprehensive resource document,” Nation Renewable Energy Laboratory (NREL), Vol. 3, pp. 6-11.
Xing, W. and Hendriks, C., 2006, “Decontamination of granular wastes by mining separation techniques,” Journal of Cleaner Production, Vol. 14, pp. 748-753.

Information

Publisher :The Korean Society of Mineral and Energy Resources Engineers
Publisher(Ko) :한국자원공학회
Journal Title :Journal of the Korean Society for Geosystem Engineering
Journal Title(Ko) :한국지구시스템공학회지
Volume : 46
No :6
Pages :767-775

[1] 안지환, 2006, “생활폐기물 소각 바닥재의 처리 기술,” 한국지구시스템공학회지, Vol. 43, pp. 1-10.

[2] 안지환, 한기천, 김형석, 2001, “생활폐기물 소각재 중 바닥재의 특성,” J. of Korean Inst. of Resources Recycling, Vol. 10, pp. 48-57.

[3] 엄남일, 한기천, 유광석, 조희찬, 안지환, 2007, “생활폐기물 소각 바닥재의 자력선별에 따른 ferrous material의 분리 특성,” J. of Korean Inst. of Resources Recycling, Vol. 16, pp. 19-26.

[4] 조영도, 엄남일, 한기천, 안지환, 이경훈, 반봉찬, 2007, “생활폐기물 소각 바닥재의 수세처리에 따른 염화물 특성,” 한국지구시스템공학회지, Vol. 44, pp. 1-7.

[5] 환경부, 2007, 2006 전국 폐기물 발생 및 처리 현황.

[6] Ahn, J.H., Um, N.I., Han, G.H., You, K.S. and Cho, H.C., 2006, “Effect of carbonation in removal of chlorice from municipal solid waste incineration bottom ash,” Geosystem Engineering, Vol. 9, pp. 247-251.

[7] Chimenos, J.M., Fernadez, A.I., Miralles, L., Segarra, M. and Espiell, F., 2003, “Short-term natural weathering of MSWI bottom as a function of particle size,” Waste Management, Vol. 23, pp. 887-895.

[8] Gerven, T.V., Keer, E.V., Arickx, S., Jaspers, M., Warters, G. and Vandecasteele, C., 2005, “Carbonation of MSWIbottom ash to decrease heavy metal leaching, in view of recycling,” Waste Management, Vol. 25, pp. 291-300.

[9] Polettini, A. and Pomi, R., 2004, “The leaching behavior of incinerator bottom ash as affected by accelerated ageing,” Journal of hazardous Materials, Vol. 113, pp. 209-215.

[10] Rem, P.C., Vries, C.D., Van Kooy, L.A., Bevilacqua, P. and Reuter, M.A., 2004, “The Amsterdam pilot on bottom ash,” Minerals Engineering, Vol. 17, pp. 363-365.

[11] Wiles, C. and P. Shepherd, 1999, “Beneficial use and recycling of municipal waste combustion residues comprehensive resource document,” Nation Renewable Energy Laboratory (NREL), Vol. 3, pp. 6-11.

[12] Xing, W. and Hendriks, C., 2006, “Decontamination of granular wastes by mining separation techniques,” Journal of Cleaner Production, Vol. 14, pp. 748-753.

Journal of the Korean Society of Mineral and Energy Resources Engineers ISSN:2288-0291(Print) 2288-2790(Online) 한국자원공학회지

All Issue