Photo Electrolytic Process in A Simulated Textile Effluent Treatment and Its Cost for Application

Paula da Silva Carvalho, Peterson Bueno de Moraes, Mariana Lopes de Sousa, Paulo Renato Matos Lopes, Dejanira de Franceschi de Angelis, Ederio Dino Bidoia


A textile effluent treatment (Remazol Dark Blue HR dye - CI Reactive Blue 89) was realizaed to investigate the effect of electrolysis associated with photochemical process. It was used a reactor containing a 70% TiO2/30% RuO2 electrode (dimensionally stable anode – DSA) and an ultraviolet lamp. Experiments parameters were: 125 of current density and solution composition as 10,000 mg.L-1 NaCl, 1,320 mg.L-1 Na2CO3 and 200 mg.L-1 dye. The influence of flow-rate, initial pH and UV radiation were determined by absorbance, color, toxicity, monochloroamine, pH and conductivity analyses. In conclusion, the treatment proved to be very efficient and it promoted total color removal in 5 minutes.

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