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Degradação fotoquímica e reuso da água obtida de um efluente têxtil tratado via UV/H2O2

Author(s): Jorge Marcos Rosa | Elesandro Antônio Baptista | José Carlos Curvelo Santana

Journal: Exacta
ISSN 1678-5428

Volume: 8;
Issue: 2;
Start page: 169;
Date: 2010;
Original page

This work aimed to the degradation by photochemistry process and reuse of the water from textile effluent. The pH effect on the degradation of reactive black 5 dye was studied at pH 7, 9 and 11, catalyzed by hydrogen peroxide (H2O2) on ultra-violet (UV) irradiation. After the treatment, all conversion obtained was up to a = 0.96, on the dye degradation at ¿máx = 580 nm for anyone pH used. The treated waters from textile effluents were reused in dyeing of one fabric as some color and its fabric was compared a standard of dyeing using bi-filtered water. It was observed and confirmed from results observed by spectrophotometers and color deviation (minor than 1.0) that the textile effluent with RB5 dye treated by H2O2/UV at pH 7, 9, and 11 can be used in new dyeing.

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