표제지
목차
초록 12
Ⅰ. 서론 14
1.1. 연구 배경 14
Ⅱ. 실험 장치 및 방법 17
2.1. 실험장치 17
2.2. KNO₃ 용액의 보정곡선 20
2.3. 모델이론 21
2.4. KNO₃ 용액 전기투석 23
2.4.1. 전류 및 전압 변화에 따른 KNO₃ 용액 전기투석 24
2.4.2. 유량 변화에 따른 따른 KNO₃ 용액 전기투석 25
2.4.3. 농도 변화에 따른 따른 KNO₃ 용액 전기투석 26
Ⅲ. 결과 및 고찰 28
3.1. KNO₃ 용액의 보정곡선 28
3.2. ED 채널에서 농도 특성 34
3.3. 전류밀도 및 전압 영향 38
3.3.1. 전류밀도 및 전압에 따른 분리 특성 44
3.4. 유량의 영향 48
3.4.1. 유량에 따른 분리 특성 53
3.5. 농도의 영향 57
3.5.1. 농축조 농도의 영향 57
3.5.2. 희석조 농도의 영향 66
Ⅳ. 결론 75
Ⅴ. 참고문헌 77
Abstract 80
Scientific activity 82
Table 1. Basic Parameter used for the 2D model for electrodialysis 19
Figure 1. Schematic of the batch type elcectrodialysis system (top) and photo of the electrodialysis stack (bottom) 18
Figure 2. Calibration curve of KNO₃ solution, Trend line and Coefficient of determination 31
Figure 3. Concentration change by electrodialysis in constant current(left) and constant voltage(right) 32
Figure 4. Voltage and current change by electrodialysis in constant current(left) and constant voltage(right) 33
Figure 5. Concentrate (left) and dilute (right) 2D concentration distribution curves 36
Figure 6. Concentrate (left) and dilute (right) 3D concentration distribution curves 37
Figure 7. Concentrate (left) and dilute (right) concentration change accroding to current density 40
Figure 8. Change in voltage according to current density 41
Figure 9. Concentrate (left) and dilute (right) concentration change accroding to voltage 42
Figure 10. Current change according to voltage 43
Figure 11. Nitrate separation of current density(left) and voltage(right) 46
Figure 12. Specific energy consumption of current density(left) and voltage(right) 47
Figure 13. Concentrate (left) and dilute (right) concentration change according to flow rate at constant current 50
Figure 14. Concentrate (left) and dilute (right) concentration change according to flow rate at constant voltage 51
Figure 15. Voltage(left) and current(right) change of flow rate at constant current and voltage 52
Figure 16. Nitrate separation of flow rate at constant current(left) and voltage(right) 55
Figure 17. Specific energy consumption of flow rate at constant current(left) and voltage(right) 56
Figure 18. Concentrate (left) and dilute (right) of concentrate concentration at constant current 59
Figure 19. Concentrate (left) and dilute (right) of concentrate concentration at constant voltage 60
Figure 20. Voltage(left) and current(right) change of concentrate concentration at constant current and voltage 61
Figure 21. Nitrate separation of concentrate concentration at constant current(left) and voltage(right) 64
Figure 22. Specific energy consumption of concentrate concentration at constant current(left) and voltage(right) 65
Figure 23. Concentrate (left) and dilute (right) of dilute concentration at constant current 68
Figure 24. Concentrate (left) and dilute (right) of dilute concentration at constant voltage 69
Figure 25. Voltage(left) and current(right) change of dilute concentration at constant current and voltage 70
Figure 26. Nitrate separation of dilute concentration at constant current(left) and voltage(right) 73
Figure 27. Specific energy consumption of dilute concentration at constant current(left) and voltage(right) 74