In this work, it was studied the optimization of the photochemical process using H 2 O 2 /UV in order to reduce the concentration of ammonia in leachate. It was used landfills leachate previously treated in the development of studies. A photochemical reactor with the capacity of 1.7 liters equipped with refrigeration system and recirculation of leachate was employed in the research. The influence of temperature, the light bulb power, the concentration of H 2 O 2 and treatment time were tested during the study. A removal of 97% of ammonia was observed at 90 min.
This study aimed to use the following treatment technology: TiO 2 photocatalysis and Fenton reaction for the remediation of mixture of textile dyes. For the photocatalytic treatment it was obtained a reduction in color of 80% and Chemical Oxygen Demand of 60% using for this 600 mg L
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