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110离子交换树脂担载催化剂净化低浓度PH3

Keywords: 磷化氢,催化氧化,离子交换树脂,载体,过渡金属离子

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Abstract:

以110丙烯酸系阳离子交换树脂作为载体,Pd(Ⅱ)-Cu(Ⅱ)为主催化剂,制成担载型过渡金属催化剂。以N2为载气,对反应温度、氧含量、催化剂用量3个因素进行催化氧化净化低浓度PH3研究。实验结果表明,在氧含量为3.7%,温度为72℃时,催化剂的催化活性较高;PH3净化效率随催化剂用量增大而提高。在优化后的实验条件下,考察催化剂以CO为载气时催化剂对PH3的净化效率,虽然净化效果比以N2为载气时差,但反应较稳定,持续时间较长,有较好的抗杂毒性,且催化剂具有再生性能。

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