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International Journal of Environmental Research. 2012; 6 (1): 119-128
en Inglés | IMEMR | ID: emr-122452

RESUMEN

Leachate treatment from municipal landfills has been always a major anxiety in waste management due to its high level of various contaminations. In this paper the effect of Nanosized Zero Valent Iron particles [NZVI] in Fenton process for the treatment of high COD strength landfill leachate was scrutinized. The results corroborated this procedure was fast and efficient. In fact, about 87% of initial COD [38 g/L] was reduced in an hour. The various operation conditions such as pH, initial H[2]O[2] concentration, H[2]O[2]/Fe molar ratio and temperature in a batch reactor were investigated. The optimum condition was obtained at pH value of 2, temperature of 40°C and H[2]O[2] to Fe molar ratio equal to 39 by using only 0.07 M of NZVI. In such conditions, 0.08 M H[2]O[2] for the removal of 1 g/L of COD was needed. Furthermore, hydrogen peroxide consumption after Fenton process was evaluated and it was found that it had a direct relationship with COD removal efficiency


Asunto(s)
Peróxido de Hidrógeno , Hierro , Análisis de la Demanda Biológica de Oxígeno , Administración de Residuos
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