The reaction performance of the Fe-based Fenton system could be enhanced through different improvement methods.Firstly,some researchers found that adding other reagents such as chelator in reaction system can expand the range of pH and accelerate the conversion rate from Fe3+ to Fe2+.Secondly,it is proposed that heterogeneous systems can overcome the shortcomings of homogeneous systems that its pH applicable scope is small and iron ions easily tend to form precipitation.Finally,the traditional Fe-based Fenton system can be improved by combination with other processes such as electrochemical processes and microbial degradation processes.
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