将Keggin型铁取代杂多酸阴离子PW11O39Fe(Ⅲ)(H2O)4-(PW11Fe)通过离子交换作用负载在阴离子交换树脂D301R上,制备了负载型光催化剂PW11Fe/D301R,并用于可见光催化降解水溶液中有机染料污染物罗丹明B(RhB),考察了罗丹明B的初始浓度、催化剂用量、pH值以及不同阴离子对光催化降解效果的影响.实验结果表明,当催化剂用量为0.5g时,200 W金卤灯照射0.01 mmol/L RhB水溶液30 min,RhB的降解率可达100％,为高效利用太阳光能去除水体有机染料污染物提供了一条可供选择的新途径.
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