Waste water treatment of a textile industry with collector solar
Journal Title: Revista Lasallista de Investigación - Year 2007, Vol 4, Issue 2
Abstract
Introduction. Solar decontamination of waste waters with dye used in textile industries, by the use of photosensibilators, will avoid the arrival of organic compounds to hydric resources, as it happens with some dyes. This will also allows that potabilization plants are able to capture waters that are easier to treat, and to lower the extinction risk for aquatic plants and animals. This treatment is a clean technology because it uses solar energy, which does not contaminate, uses not polluting photosensibilators and does not generate toxic sub products or mud because organic compounds have a mineralization process. Besides, photosensibilators can be recovered and reused. Objective. To treat waste water from textile industries. Material and methods. A cylindrical parabolic composed solar collector was used. Based on the results obtained in the research of degradation of reactive orange 84 dye, the best conditions were chosen for degradation and mineralization from that research in order to apply them to a waste water from a tricots dyeing industry containing that colorant. Results. The best conditions were those obtained with the AM3 ( 77,77%) rehearsals, were we used 80 mg/L of TiO2, 3 mL H2O2/L and air. The mineralization percentage was 66, 29%, and this was the maximum obtained in the rehearsals with waste water and it was under these same conditions. Conclusion. Six experiments were made with three replicas for each one. We worked with three waste water lots, containing different colorants, though there were reactive orange 84 in all of them. We got good percentages of color decrease at 604 nm.
Authors and Affiliations
Luis Fernando Garcés Giraldo, Gustavo Antonio Peñuela Mesa
Keywords
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