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本文选用CO、H2、苯、正庚烷作为单一代表物实验,选用苯-正庚烷作为联合代表物实验,考察了氟利昂(R12、R22、R134a)在两种催化剂上的分解情况。实验结果表明:1号和2号催化剂随着温度的升高,催化活性逐渐升高,且在260℃以下都能够有效消除各种有害气体;1号催化剂的催化活性和抗湿性能优于2号催化剂;苯对正庚烷的消除起促进作用,而正庚烷抑制苯的消除;在315℃,R12、R22、R134a在1号催化剂上的分解率高于2号催化剂;在260℃时,R12在1号和2号催化剂上的分解率分别降到了18.7%和1%,R134a的分解率降到了2%,而R22分解率降低较少。
In this paper, CO, H2, benzene and n-heptane were selected as the single representative experiments. Benzene-n-heptane was chosen as the representative of the experiments. The decomposition of freons (R12, R22, R134a) on the two catalysts was investigated. The experimental results show that the catalytic activity of No. 1 and No. 2 catalysts increases with the increase of temperature, and all kinds of harmful gases can be effectively eliminated below 260 ℃. The catalytic activity and moisture resistance of No. 1 catalyst is better than 2 , Benzene promoted the elimination of n-heptane and n-heptane suppressed the elimination of benzene. At 315 ℃, the decomposition rate of R12, R22 and R134a on No. 1 catalyst was higher than that of No. 2 catalyst. At 260 ℃ , The decomposition rate of R12 on catalyst No.1 and No.2 decreased to 18.7% and 1% respectively, the decomposition rate of R134a dropped to 2% and the decomposition rate of R22 decreased less.