Removal of organic matter from wastewater coming from fruit juice production using solar photo-Fenton process

The results showed that highest COD and polyphenols removal were obtained in experiments with 1100 mg H2O2/L and 100 mg Fe2+/L

Rodrigo Poblete; Ernesto Cortés; Norma Pérez; Marcos Valdivia; Manuel I. Maldonado

2021

Scholarcy highlights

  • The grape juice production generates an industrial wastewater that has a high concentration of organic matter and several polyphenols, such as ethanol
  • The aim of this work was to determine the optimal concentration of the reagents involved in a solar photo-Fenton process in the treatment of wastewater coming from juice
  • The process was analysed in a factorial design, as a function of H2O2 and Fe2+ concentration
  • The results showed that highest COD and polyphenols removal were obtained in experiments with 1100 mg H2O2/L and 100 mg Fe2+/L
  • In treatments with higher COD removal, 2-metil-1-propanol was detected as an intermediate of ethanol oxidation. These results proved that solar photo-Fenton is a suitable approach for treating the refractory organic matter from grape juice

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