Using FeGAC/H2O2 process for landfill leachate treatment.
Due to the growing concern of highly contaminated landfill leachate problems in Taiwan, an innovative advanced catalytic oxidation (FeGAC/H(2)O(2)) process was developed and employed in this research to treat the landfill leachate from central Taiwan. Experimental results indicated that the FeGAC/H(2)O(2) process could effectively remove organic compounds from landfill leachate. The presence of iron oxide coated granular activated carbon (FeGAC) greatly improved the oxidative ability of H(2)O(2) for the removal of humic acids, fulvic acids and non-humic substance from leachate. For instance, at pH 6, the removal efficiencies of FeGAC/H(2)O(2) and H(2)O(2) processes were 70% and 8%, respectively. FeGAC/H(2)O(2) combined both advantages of FeGAC and H(2)O(2) where FeGAC had good organics adsorption ability and could effectively catalyse the hydrogen peroxide oxidation reaction for organics removal.
Fan
Huan-Jung
HJ
Department of Environmental Engineering, Hungkuang University, No. 34 Chung-Chie Road, Shalu, Taichung County, Taiwan 433, Taiwan, ROC. fan@sunrise.hk.edu.tw <fan@sunrise.hk.edu.tw>
Chen
Ien-Whei
IW
Lee
Ming-Hsien
MH
Chiu
Tzuchen
T
D000327:Adsorption; D001578:Benzopyrans / Q000032:analysis / Q000302:isolation & purification; D002244:Carbon / Q000737:chemistry*; D002384:Catalysis; D005290:Ferric Compounds / Q000737:chemistry*; D006812:Humic Substances / Q000032:analysis; D006861:Hydrogen Peroxide / Q000737:chemistry*; D006863:Hydrogen-Ion Concentration; D013624:Taiwan; D014874:Water Pollutants, Chemical / Q000737:chemistry*
D001578:Benzopyrans; D005290:Ferric Compounds; D006812:Humic Substances; D014874:Water Pollutants, Chemical; C000499:ferric oxide; D002244:Carbon; D006861:Hydrogen Peroxide; C005023:fulvic acid