Abstract
In this study, the removal of methylene blue (MB) by the coupling of black carbon (BC) and TiO2 was investigated. The effects of different parameters such as catalyst dose, sorbent, initial concentrations of dye, pH of the solutions, recycles on discoloration, and chemical oxidation demand (COD) reduction of MB were monitored to optimize the reaction conditions. The discoloration and COD conversation rate of MB obtained by the coupling process were 100% after 90 min irradiation. The synergistic effect of MB-adsorption on BC followed by degradation through TiO2 photocatalysis was proved by FT–IR spectrophotometer. The BC as by-product of natural materials is a promising adsorbent for waste water treatment.
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