Abstract
In this communication, synthesis of iron silicate (IS) doped hydroxylation iron (IS-FeOOH) and its catalytic activity in ozonation of p-chloronitrobenzene (pCNB) was reported and the mechanisms of pCNB removal were deduced. The XRD and HR-TEM analyses indicated that the IS-FeOOH were mainly composed by amorphous IS and FeOOH. IS-FeOOH exhibited significant catalytic activities. The EPR spectrum results showed that IS-FeOOH could promote ozone decomposition into hydroxyl radicals (·OH), resulting in the increased removal of pCNB. The catalytic reusability studies demonstrated that IS-FeOOH kept its catalytic activity in five consecutive cycles.
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