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Wastewater treatment from biodiesel production via a coupled photo-Fenton-aerobic sequential batch reactor (SBR) system.

Water science and technology : a journal of the International Association on Water Pollution Research (2012-07-07)
Ximena María Vargas Ramírez, Gina Maria Hincapié Mejía, Kelly Viviana Patiño López, Gloria Restrepo Vásquez, Juan Miguel Marín Sepúlveda
ABSTRACT

A coupled system of the photo-Fenton advanced oxidation technique and an aerobic sequential batch reactor (SBR) was used to treat wastewater from biodiesel production using either palm or castor oil. The photo-Fenton reaction and biological process were evaluated individually and were effective at treating the wastewater; nevertheless, each process required longer degradation times for the wastewater pollutants compared with the coupled system. The proposed coupled photo-Fenton/aerobic SBR system obtained a 90% reduction of the chemical oxygen demand (COD) in half of the time required for the biological system individually.

MATERIALS
Product Number
Brand
Product Description

Sigma-Aldrich
Castor oil
Sigma-Aldrich
Castor oil, meets testing specifications per USP
Sigma-Aldrich
Castor oil, tested according to Ph. Eur.