표제지
목차
국문요약 12
I. 서론 16
II. 이론적 배경 18
2.1. 인화점과 자연발화온도 18
2.2. 화학물질의 폭발한계 예측 19
2.3. 열발화 이론에 의한 자연발화온도와 발화지연시간의 관계 21
2.4. 순수물질의 물리적 특성 및 연소 특성 22
2.4.1. Ethylbenzene 22
2.4.2. Xylenes 23
III. 혼합물의 인화점 및 최소자연발화온도, 활성화에너지의 예측 24
3.1. 다중회귀분석 24
3.2. 발화온도에 의한 발화지연시간의 예측 모델과 활성화에너지 계산 25
3.3. 실험값과 예측값의 비교방법 및 모형의 적합도 검정 26
IV. 실험 28
4.1. 실험장치 28
4.1.1. 인화점 측정장치 28
4.1.2. 자연발화온도 측정장치 30
4.2. 실험재료 31
4.3. 실험방법 32
4.3.1. 인화점 측정 32
4.3.2. 자연발화온도 측정 32
V. 결과 및 고찰 33
5.1. 순수물질과 혼합물질의 인화점 측정 및 예측과 폭발한계의 계산 33
5.2. 순수물질의 최소자연발화온도 고찰 37
5.2.1. Ethylbenzene의 자연발화온도와 발화지연시간의 측정 37
5.2.2. Xylenes의 자연발화온도 41
5.3. Ethylbenzene과 Xylenes계의 자연발화온도와 활성화에너지 45
5.3.1. Ethylbenzene(0.9)과 Xylenes(0.1)계의 발화온도와 활성화에너지 45
5.3.2. Ethylbenzene(0.7)과 Xylenes(0.3)계의 발화온도와 활성화에너지 49
5.3.3. Ethylbenzene(0.5)과 Xylenes(0.5)계의 발화온도와 활성화에너지 53
5.3.4. Ethylbenzene(0.3)과 Xylenes(0.7)계의 발화온도와 활성화에너지 57
5.3.5. Ethylbenzene(0.25)과 Xylenes(0.75) 계의 발화온도와 활성화에너지 61
5.3.6. Ethylbenzene(0.2)과 Xylenes(0.8) 계의 발화온도와 활성화에너지 65
5.3.7. Ethylbenzene(0.17)과 Xylenes(0.83) 계의 발화온도와 활성화에너지 69
5.3.8. Ethylbenzene(0.15)과 Xylenes(0.85) 계의 발화온도와 활성화에너지 73
5.3.9. Ethylbenzene(0.1)과 Xylenes(0.9) 계의 발화온도와 활성화에너지 77
5.3.10. Ethylbenzene과 Xylenes의 조성변화에 의한 AIT 예측 81
VI. 결론 86
참고문헌 89
ABSTRACT 91
Table 1. Factors influencing the autoignition temperature 18
Table 2. Kosha MSDS of ethylbenzene 22
Table 3. Kosha MSDS of xylenes 23
Table 4. International regulatory compliance methods of setaflash... 28
Table 5. Mole fraction of ethylbenzene and xylenes system 31
Table 6. Experimental and the predicted flash point... 34
Table 7. Antoine coefficient table of ethylbenzene and xylenes 36
Table 8. The prediction flammability limit for ethylbenzene and xylenes 36
Table 9. The prediction flammability limit for... 36
Table 10. Comparison of experimental ignition delay time... 38
Table 11. Comparison of experimental ignition delay time... 42
Table 12. Comparison of experimental ignition delay time... 46
Table 13. Comparison of experimental ignition delay time... 50
Table 14. Comparison of experimental ignition delay... 54
Table 15. Comparison of experimental ignition delay time... 58
Table 16. Comparison of experimental ignition delay time... 62
Table 17. Comparison of experimental ignition delay time... 66
Table 18. Comparison of experimental ignition delay time... 70
Table 19. Comparison of experimental ignition delay time... 74
Table 20. Comparison of experimental ignition delay time... 78
Table 21. Experimental and the predicted... 82
Table 22. The predicted equation of activation energy by AIT... 84
Fig. 1. Photograph of Seta flash apparatus (Setaflash... 29
Fig. 2. Photograph of autoignition temperature apparatus... 30
Fig. 3. Comparison of AIT prediction curves(Eqn.19) with... 35
Fig. 4. Comparison between the experimental and calculated... 39
Fig. 5. Monitoring program of AIT ethylbenzene. 40
Fig. 6. Comparison between the experimental an calculated... 43
Fig. 7. Monitoring program of AIT xylenes. 44
Fig. 8. Comparison of the experimental ignition delay time for... 47
Fig. 9. Monitoring program of AIT ethylbenzene(0.9) and xylenes(0.1) system. 48
Fig. 10. Comparison of the experimental ignition delay time... 51
Fig. 11. Monitoring program of AIT ethylbenzene(0.7) and xylenes(0.3) system. 52
Fig. 12. Comparison of the experimental ignition delay time... 55
Fig. 13. Monitoring program of AIT ethylbenzene(0.5) and xylenes(0.5) system. 56
Fig. 14. Comparison of the experimental ignition delay time... 59
Fig. 15. Monitoring program of AIT ethylbenzene(0.3) and xylenes(0.7) system. 60
Fig. 16. Comparison of the experimental ignition delay time... 63
Fig. 17. Monitoring program of AIT ethylbenzene(0.25) and xylenes(0.75) system. 64
Fig. 18. Comparison of the experimental ignition delay time... 67
Fig. 19. Monitoring program of AIT ethylbenzene(0.2) and xylenes(0.8) system. 68
Fig. 20. Comparison of the experimental ignition delay time... 71
Fig. 21. Monitoring program of AIT ethylbenzene(0.17) and xylenes(0.83) system. 72
Fig. 22. Comparison of the experimental ignition delay time... 75
Fig. 23. Monitoring program of AIT ethylbenzene(0.15) and xylenes(0.85) system. 76
Fig. 24. Comparison of the experimental ignition delay time... 79
Fig. 25. Monitoring program of AIT ethylbenzene(0.1) and xylenes(0.9) system. 80
Fig. 26. Comparison of AIT prediction curves (Eqn.42) with... 83
Fig. 27. Prediction activation energy(Ea) by experimental... 85