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本文讨论了HCFC-22热分解特.性,并研究了HCFC-22初始浓度和反应温度对HCFC-22分解率的影响.实验结果表明,HCFC-22初浓度越低,反应温度越高,HCFC-22分解率越高.根据Arrhenius方程计算, 500~800℃范围内,HCFC-22在氮气和空气气氛下热分解反应的活化能(Eα)分别为248.21、288.89 kJ·mol-1,其相应的指前因子(A)为3.26×1013、3.26×1016s-1.

参考文献

[1] Doherty S;Cunnold D;Manning A .Rapid Growth of Hydrofluoroearbon-134a and Hydrochlorofluorocarbons -141b,142b,and 22 from Advanced Global Atmospheric Gases Experiment(AGAGE) Observations at Cape Grim,Tasmania,and Mace Head.Ireland[J].Journal of Geophysical Research,2004,109:6310-6325.
[2] 张芳,王新明,易志刚,李龙凤,陈尊裕,陈鲁言,Donald R.Blake.珠三角地区大气中HCFC-22的浓度观测和变化趋势初步研究[J].环境科学学报,2006(06):987-991.
[3] 马臻,华伟明,高滋.氟里昂催化分解研究进展[J].化学通报,2001(06):339-344.
[4] Zhang Hongxia;Ng Chingfai;Lai Sukyin .Catalytic Decomposition of Chlorodifluoromethane over Platinum Supported on TiO2-ZrO2 Mixed Oxides[J].Applied Catalysis B:Environmetal,2005,55:301-307.
[5] Wallis, AE;Whitehead, JC;Zhang, K .Plasma-assisted catalysis for the destruction of CFC-12 in atmospheric pressure gas streams using TiO2[J].Catalysis Letters,2007(1/2):29-33.
[6] Takayuki W;Taira T .Water Plasma Generation under Atmospheric Pressure for HCFC Destruction[J].Thin Solid Films,2008,516:4391-4396.
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