표제지
목차
Abstract (초록) 17
Ⅰ. 서론 19
Ⅱ. 재료 및 방법 25
1. 우드펠릿 전소발전소로부터 배출되는 회분의 활용을 위한 기초 조사 25
1) 실험방법 25
2. 염류 토양에서 우드펠릿 전소 발전소로부터 배출되는 회분 처리에 미치는 영향 29
1) 실험방법 29
3. 중금속 오염토양에서 우드펠릿 전소 발전소로부터 배출되는 회분 처리에 미치는 영향 40
1) 실험방법 40
4. 통계분석 53
Ⅲ. 결과 및 고찰 54
1. 우드펠릿 전소발전소로부터 배출되는 회분의 활용을 위한 기초 조사 54
1) 회분의 이화학적 특성 분석 54
2) 회분의 물리적 특성 분석 56
3) 회분의 유해물질 용출 특성 조사 59
2. 염류토양에서 우드펠릿 전소 발전소로부터 배출되는 회분 처리에 미치는 영향 63
1) 염류토양에서 회분처리에 따른 양분 용출 특성 조사 63
2) 염류토양에서 회분처리에 따른 작물 및 토양에 미치는 영향 73
3) 염류토양을 개선하기 위한 회분 적용 및 비료와 혼합 처리에 따른 작물 및 토양에 미치는 영향 85
3. 중금속 오염토양에서 우드펠릿 전소 발전소로부터 배출되는 회분 처리에 미치는 영향 99
1) 회분의 중금속 (Pb, Zn, Ni, Cd, Cu) 흡착 실험 99
2) 중금속 토양에서 회분처리에 따른 작물 및 토양에 미치는 영향 123
Ⅳ. 결론 137
Ⅴ. 참고문헌 139
Table 1. The amount of waste and saturation rate of landfill. 21
Table 2. Soil chemical properties of greenhouse 30
Table 3. Soil chemical properties of heavy metal soil 50
Table 4. Chemical properties of Bottom Ash (BA) 55
Table 5. Surface area of Bottom Ash (BA) 56
Table 6. Dissolution characteristics of bottom ash by the time 60
Table 7. Dissolution characteristics of bottom ash by the pH 62
Table 8. Chemical properties of the saline soils with different level of BA 84
Table 9. Chemical properties of the soil in plastic houses with different level of BA 98
Table 10. Determination of the parameters for the Freundlich and Langmuir isotherm of heavy metal(Pb, Zn, Ni, Cd, Cu) using BA 114
Table 11. Analysis of heavy metals absorption by parts of crops with bottom ash in heavy metal soil. 129
Table 12. Passivation and residual content of heavy metal with bottom ash in soil 136
Fig. 1. Amount of energy generated using wood pellets. 20
Fig. 2. Picture of bottom ash use to experiment 25
Fig. 3. Picture of saline soil from the greenhouses to use experiment. 31
Fig. 4. Schematic diagram for BA column experiment. 33
Fig. 5. Pot experiment with BA in saline soil. 36
Fig. 6. Field experiment with BA in saline soil. 38
Fig. 7. Watch dog (left) and image of watch dog intalled on field for water content (right). 39
Fig. 8. Location of heavy metal soils and collected of heavy metal soils. 51
Fig. 9. Pot experiment with BA in heavy metals soil. 52
Fig. 10. Functional group of bottom ash through FT-IR 57
Fig. 11. Scanning electron microscopic (SEM) images (Left) of bottom ash and energy dispersive X-ray spectroscopy (EDS) spectrum (Right). 58
Fig. 12. Change pH of dissolution elution water from bottom ash. 62
Fig. 13. pH and EC concentrations during column experiment with three replications. Error bar means average and standard deviation, replicate 3. 65
Fig. 14. NH₄⁺-N concentrations during column experiment. (A) comparison NH₄⁺ -N during column experiment, (B) comparison cumulative NH₄⁺ -N... 68
Fig. 15. NO₃⁻-N concentrations during column experiment. (A) comparison NO₃⁻-N during column experiment, (B) comparison cumulative NO₃⁻N... 72
Fig. 16. Growth of letter with BA in saline soil. 74
Fig. 17. Fresh weight of the lettuce under the different throughput of bottom ash in saline soils. Different letter indicates significantly different at the 5% level by Tukey's test. Vertical bars represent standard deviations (n=3). 75
Fig. 18. Dry weight of the lettuce under the different throughput of bottom ash in saline soils. Different letter indicates significantly different at the 5% level by Tukey's test. Vertical bars represent standard deviations (n=3). 76
Fig. 19. Nitrogen uptake of leaf and root of the lettuce under the different throughput of bottom ash in saline soils. Different letter indicates significantly different at the 5% level by Tukey's test. Vertical bars represent standard deviations(n=3) 79
Fig. 20. Phosphorus uptake of leaf and root of the lettuce under the different throughput of bottom ash in saline soils. Different letter indicates significantly different at the 5% level by Tukey's test. Vertical bars represent... 80
Fig. 21. As & B content of shoot and root of the lettuce. Different letter indicates significantly different at the 5% level by Tukey's test. Vertical bars... 81
Fig. 22. Growth of tomato with BA in plastic house 86
Fig. 23. Investigation weight and perimeter of tomato with bottom ash from biomass power plant in plastic houses. Different letter indicates significantly... 87
Fig. 24. Investigation sugar content and acidity of tomato with bottom ash from biomass power plant in plastic houses. Different letter indicates significantly... 88
Fig. 25. Nutrient uptake of the plant under the different throughput of bottom ash in plastic house. Different letter indicates significantly different at the 5% level by Tukey's test. Vertical bars represent standard deviations (n=3) 91
Fig. 26. Phosphorus uptake of the plant under the different throughput of bottom ash in plastic house, A: tomato, B: root C: leaf, D: stem. Different letter indicates significantly different at the 5% level by Tukey's test. Vertical bars... 94
Fig. 27. Measurement of moisture content in a plastic house during the cultivation period 97
Fig. 28. Removal rate about each heavy meatal(Pb, Zn, Ni, Cd, Cu) of BA. Vertical bars represent standard deviations (n=3). 100
Fig. 29. Effect of weight on the heavy metal adsorption by BA. Vertical bars represent standard deviations (n=3). 102
Fig. 30. Effect of contact time on heavy metal adsorption by BA. Vertical bars represent standard deviations (n=3). 104
Fig. 31. Adsorption isotherms for the heavy metal(Pb, Zn, Ni, Cd, Cu) from BA 108
Fig. 32. Effect of pH on the heavy metal adsorption by BA. Vertical bars represent standard deviations (n=3). 110
Fig. 33. Effect of temperature on the heavy metal adsorption by BA. Vertical bars represent standard deviations (n=3). 111
Fig. 34. Freundlich isotherm equations of heavy metals(Pb, Zn, Ni, Cd, Cu) using BA (A: Pb, B: Zn, C: Ni, D: Cd, E: Cu). 117
Fig. 35. Langmuir isotherm equations of heavy metals(Pb, Zn, Ni, Cd, Cu) using BA (A: Pb, B: Zn, C: Ni, D: Cd, E: Cu). 120
Fig. 36. Comparison of TEM, SEM and EDS image using mapping before and after adsorption of heavy metal(Pb, Zn, Ni, Cd, Cu) using BA(Left: TEM,... 122
Fig. 37. Crop growth with bottom ash in heavy metal soil. 124
Fig. 38. Investigation of pea growth with bottom ash from biomass power plant in heavy metal soil. Number of leaves, length of pisell, length of root. Different... 126
Fig. 39. Mobility of heavy metals by part of crop with bottom ash about Pb, Zn, Ni, Cd, Cu. A: Cd, B: Cu, C: Ni, D: Zn, E: Pb. Vertical bars represent... 133