[Treatment of sludge liquor produced in deep dehydration by photoelectro-Fenton process].
Photoelectro-Fenton process was developed to treat the sludge liquor produced in deep dehydration. The results indicated that pollutants could be removed efficiently from the sludge liquor. Under the optimum condition of pH 3.0, H2O2 concentration of 65.3 mmol x L(-1), FeSO4 concentration of 6.53 mmol x L(-1) [ n(Fe2+): n (H2O2) = 1:10], 7.5V, the COD removal efficiency reached 59.0 % after 20 min treatment. The removal efficiency of TOC, TN, NH: -N and TP could reach 49. 3% , 20. 6% , 73.6% and 96.5% , respectively. This study would provide the reference for photoelectro-Fenton process in real wastewater treatment.
Xian-Li
XL
Wang
Shi-Feng
SF
Wang
Jun-Feng
JF
Wu
Wen-Hong
WH
Pu
Chang-Zhu
CZ
Yang
Jing-Dong
JD
Zhang
Jia-Kuan
JK
Yang
D003890:Desiccation; D005290:Ferric Compounds / Q000737:chemistry; D006861:Hydrogen Peroxide / Q000737:chemistry; D007501:Iron; D012722:Sewage; D014865:Waste Disposal, Fluid / Q000379:methods*; D062065:Wastewater
D005290:Ferric Compounds; D006861:Hydrogen Peroxide; D007501:Iron; D012722:Sewage; D062065:Wastewater; C045076:Fenton's reagent; C024823:ferric sulfate