Assessment of the total organic carbon and conductivity in consecutive dyeings with reactive dyestuffs using treated effluent by UV/H2O2 photocatalysis
Adilson da Silva Leite, Luiz Barco, Nelson Barros Trindade, Maurício de Campos Araujo, Jorge Marcos Rosa, Elias Basile Tambourgi, José Carlos Curvelo Santana
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The paper was monitored the conductivity (g·L-1 of NaCl), the absorbances values (Abs) and the amount of TOC (total organic carbon), before and after five consecutive dyeings made with reuse water, obtained from treated effluent by UV/H2O2 photocatalysis. All rates of decolorization were above 92%,...
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The paper was monitored the conductivity (g·L-1 of NaCl), the absorbances values (Abs) and the amount of TOC (total organic carbon), before and after five consecutive dyeings made with reuse water, obtained from treated effluent by UV/H2O2 photocatalysis. All rates of decolorization were above 92%, the removal of total organic carbon was above 89% in all treatments and the economy of NaCl was from 3.10 in the first recipe, 3.17 in the second, 3.49 in the third, 3.79 in the fourth and 4.05 in the fifth recipe. The five dyeings compared with same dyeings made with deionized water presented a color deviation (ΔE*) below 1. The conventional dyeings would consume 80 L/kg against 40 L/kg used in the dyeing process proposed in this study, representing a great economy of water, with no discharge of effluents
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Assessment of the total organic carbon and conductivity in consecutive dyeings with reactive dyestuffs using treated effluent by UV/H2O2 photocatalysis
Adilson da Silva Leite, Luiz Barco, Nelson Barros Trindade, Maurício de Campos Araujo, Jorge Marcos Rosa, Elias Basile Tambourgi, José Carlos Curvelo Santana
Assessment of the total organic carbon and conductivity in consecutive dyeings with reactive dyestuffs using treated effluent by UV/H2O2 photocatalysis
Adilson da Silva Leite, Luiz Barco, Nelson Barros Trindade, Maurício de Campos Araujo, Jorge Marcos Rosa, Elias Basile Tambourgi, José Carlos Curvelo Santana
Fontes
Journal of chemistry and chemical engineering (Fonte avulsa) |