Pentachlorophenol (PCP) is a kind of persistent organic pollutants (POPS), because of the extensive use of, PCP and residues have caused lasting damage, PCP has been of great concern due to it's persistence in the environment. The distribution and influential factors of PCP in the water of Guangzhou section of Pearl River during the Asian Games and before the Asian Games were studied on this paper. Heterogeneous Fenton has high catalytic activity and could used in a wide range. Degradation rules of PCP by h...