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无机离子对磷钨酸光催化活性艳橙脱色降解影响

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Indexed by:会议论文

Date of Publication:2008-11-05

Page Number:339

Key Words:活性艳橙 无机离子 磷钨酸 偶氮染料 脱色降解 光催化反应

Abstract:本文以多金属氧酸盐—磷钨酸(H3PW12040)为光催化剂,以偶氮染料活性艳橙(KGN)为模型化合物,研究了常见无机离子对磷钨酸光催化KGN脱色降解的影响。研究表明:N03-、P04 3-对KGN溶液降解有一定的促进作用,但随着NO3-浓度的增大,该促进作用不再增大,当P04 3-浓度高于0.15mmol/L时,随着P04 3-浓度的增大,光催化反应发生抑制,并且随着浓度的增长,抑制作用有增强的趋势。

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