유기물자원화 (Journal of the Korea Organic Resources Recycling Association)

  • 제27권1호
  • /
  • Pages.65-75
  • /
  • 2019
  • /
  • 1225-6498(pISSN)
  • /
  • 2508-3015(eISSN)
유기성자원학회 (Korea Organic Resources Recycling Association)
권호 표지
DOI QR코드

DOI QR Code

사업장 열적처리 잔재물의 특성에 따른 매립저감 가능성 연구

A Study on Landfill Reduction Possibility by Characteristics of Industrial Thermal Treatment Residues

  • 이수영 (국립환경과학원 환경자원연구부) ;
  • 김규연 (국립환경과학원 환경자원연구부) ;
  • 전태완 (국립환경과학원 환경자원연구부) ;
  • 신선경 (국립환경과학원 환경자원연구부)
  • 투고 : 2019.02.27
  • 심사 : 2019.03.24
  • 발행 : 2019.03.30
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

정부는 '자원순환기본법'의 제정 및 '폐기물관리법'의 개정으로 폐자원의 재활용 방향성을 확대하고 재활용 다양화 등 처리개선을 통한 미처리폐기물의 매립제로화를 추진하고 있다. 2015년 기준 국내 전체 폐기물 매립처분량은 38,308 톤/일이며 그중 사업장배출시설계폐기물의 매립처분량은 23,577 톤/일로 매립폐기물 중 약 62 %를 차지하고 있다. 본 연구에서는 주로 유기성 및 가연성 물질의 연소 및 소각, 특정 성분의 추출 및 공정 구성에서 활용된 후 폐기처분되는 열적처리잔재물의 특성을 파악하여 재활용 관련 기준에 따른 매립저감 효과 예측 및 매립 처분 감소 가능량을 추산하여 고찰하였다. 그 결과, 사업장배출시설계폐기물의 매립처분량은 전체 매립량의 약 62 %로, 이 중 소각재, 연소재 등의 열적처리잔재물류가 45.1 %을 차지하고 있다. 2035년 국가 매립목표 1 % 달성을 위해 열적처리 잔재물이 매립억제 주요대상 폐기물로 판단되었다. 또한 열적처리 잔재물의 재활용 기준을 확대하고 매립억제 정책 추진 시 현재 매립처분량 대비 약 5~42 %의 매립감소가 가능할 것으로 추산되었으며 매립처분 최소화를 위해 폐자원 재활용 유형의 다양성 확대와 재활용 제품의 의무사용 확대 방안이 필요할 것으로 판단되었다.

The government is promoting recycling of waste resources through the enactment of Fundamental Law on Resource Circulation, the revision of the Wastes Control Act and zero-landfilling of untreated waste through improved processes such as recycling and diversification. As of 2015, the total amount of landfilled waste is 38,308 ton/day in Korea. The amount of landfilled waste from industrial sectors is 23,577 ton/day, accounting for 62 % of total landfilled waste. In the study, we investigated the characteristics of the thermal treatment residue among inorganic wastes and estimated the landfill reduction potential according to the relevant recycling criteria, which can go through recycling paths. As a result, it is estimated that about 5~42 % of the landfilled waste can be reduced in case mandatory recycling and landfill suppression policies such as recycling criteria for thermal processing residues and expansion of recycling obligation targets should be implemented. In order to minimize landfill disposal, it is necessary to expand the diversity of waste recycling type and the usage of recycled products.

키워드

DOGSBE_2019_v27n1_65_f0001.png 이미지

Fig. 1. Sharing status of landfill industrial waste.

DOGSBE_2019_v27n1_65_f0002.png 이미지

Fig. 2. Results of moisture and LOI (%).

Table 1. Classification of Samples in the study

DOGSBE_2019_v27n1_65_t0001.png 이미지

Table 2. Current Status of Inorganic Waste Management by the All-baro System (2015)

DOGSBE_2019_v27n1_65_t0002.png 이미지

Table 3. XRF Analysis Result of Industrial Thermal Treatment Residues (%)

DOGSBE_2019_v27n1_65_t0003.png 이미지

Table 4. Results of Heavy Metal Leaching and Contents Analysis Reference Review

DOGSBE_2019_v27n1_65_t0004.png 이미지

Table 5. Estimation of Landfill Reduction Potential

DOGSBE_2019_v27n1_65_t0005.png 이미지

Table 6. Review on Recyclability of Inorganic Wastes by Evaluation Criteria

DOGSBE_2019_v27n1_65_t0006.png 이미지

참고문헌

  1. Park, S. W., "Enforcement of the fundamental law of resource circulation and waste management : the EU's resource efficiency policy trend", J of Korea Society of Waste Management, 34(3), pp. 215-223. (2017). https://doi.org/10.9786/kswm.2017.34.3.215
  2. Park, S. W., "Disposal of municipal soild waste and energy recovery from incinerated waste: focus on OECD countries", J of Korea Society of Waste Management, 34(1), pp. 1-12. (2017). https://doi.org/10.9786/kswm.2017.34.1.1
  3. Ministry of environment, Status of waste generation and disposal in korea (2015).
  4. All-baro system, http://www.allbaro.or.kr, (2016).
  5. Park, S. O., Um, N. I., Kim, W. I., Choi, H. H., Yoon, C. W., Kim, T. H., Kang, Y. Y., Jeon, T. W., and Shin, S. K., "A study on copper and copper alloy characteristics of waste generated in smelting process", J of Korea Society of Waste Management, 33(3), pp. 285-293. (2016). https://doi.org/10.9786/kswm.2016.33.3.285
  6. Kim, W. I., Jeong, M. J., Jeong, Y. W., Cho, N. H., Kim, Y. J., Kim, M. J., Jeon, T. W., and Shin, S. K., "Study on management of industrial waste for alternative resource of natural materials(III)", National Institute of environmental Research, pp. 1-39. (2015).
  7. Park, J. S., "Physico-chemical characteristics of municipal solid waste generated from T city and leaching characteristics of the incineration ash", J. of KORRA, 18(2), pp. 84-92. (2010).
  8. Park, D. W., Choi, H. N., Woo, N. C., Kim, H. J., and Chung, D., "Evaluation of leaching potential of heavy metals from bottom ashes generated in coal-fired powerplants in korea", J. Soil & Groundwater Env., 18(7), pp. 32-40. (2013). https://doi.org/10.7857/JSGE.2013.18.7.032
  9. Maeng, J. H., Kim, T. Y., and Suh, D. H., "Minimizing environmental impact in accordance with the thermal power plant ash management", Korea Environment Institute, pp. 1-216. (2014).
  10. Rhee, S. H., and Yoon, H. H., "Study on physicochemical property and extraction characteristics of spent foundry sands", J of Korea Society of Waste Management, 21(8), pp. 851-858. (2004).
  11. Choi, S. W., Kim, V., Chang, W. S., and Kim, E. Y., "The Present Situation of Production and Utilization of Steel Slag in Korea and Other Countries", J of the Korea Concrete Institute, 19(6), pp. 28-33. (2007).
  12. Kim, Y. J., and Chung, M. H., "Study on the reuse and recycling of the used foundry sands", J of KORRA, 18(4), pp. 38-44. (2010).
  13. Lee, W. C., Shin, D. C., and Dong, J. I., "Investigation of characteristics of incinerator bottom ash and assessment for recycle due to the change of MSW composition", Applied Chemistry for Engineering, 25(1), pp. 103-106. (2014). https://doi.org/10.14478/ace.2014.1007
  14. Gorai, B. et al., "Characteristics and utilisation of copper slag-a review", Resources, Conservation and Recycling, 39(4), pp. 299-313. (2003). https://doi.org/10.1016/S0921-3449(02)00171-4
  15. Jeong, S. K., Kim, W. I., Shin, S. K., Kang, Y. Y., Yeon, J. M., Kim, M. S., Cho, Y. A., Kim, N., and Oh, G. J., "Study on Leaching Behavior on Dust Produced from Metal Manufacturing Processes", J of Korea Society of Waste Management, 29(7), pp. 642-649. (2012).
  16. Lee, S. H., "Study on tne environmental hazard of waste foundry by mold type and proper management plan", Korea Institute of Industrial Technology, pp. 1-148. (1997).
  17. Rhee, S. W., "Stabilization of spent foundry sand to recycle as auxiliary material in pavement subbase", J of Korea Society of Waste Management, 31(6), pp. 646-653. (2014). https://doi.org/10.9786/kswm.2014.31.6.646