出版社：Polish Society of Ecological Engineering (PTIE)
摘要：In this studies the influence of the dose and ratio of chemical reagents (Fe2 and H2O2) on the efficiency of COD removal and changes of BOD5/COD ratio in landfill leachate was analysed.The molar Fe2 /H2O2 ratio was lower than 1 and amounted to: 1:10, 1:5, 1:3, three research series with 1; 2.5 and 5 g/L Fe2 concentration.A higher efficiency in removing BOD than COD, and therefore the decrease of BOD5/COD ratio in effluent was stated.The efficiency of COD removal from leachate was from 58.34% (Fe2 0.5 g/L, Fe2 /H2O2 1:5) to 8.33% (Fe2 = 0.1 g/L, Fe2 /H2O2 = 1:10), while the efficiency of BOD removal ranged from 62 to 77%.With the molar ratio Fe2 /H2O2 equal 1:5 the BOD5/COD ratio was the largest for each of the analysed Fe2 doses.The lowest BOD5/COD ratio was observed for the Fe2 dose 0.1 g/L and molar ratio of reagents 1:3.
