Ecological Costs Applied in the Bleaching of Cotton： A Study for an Optimized Process
Ecological Costs Applied in the Bleaching of Cotton： A Study for an Optimized Process
摘要
The aim of this paper was to study three variables in hydrogen peroxide bleaching of cotton fabrics： the amount of hydrogen peroxide （H2O2）, peroxide stabilizer （Na2SiO3） and the process temperature. The factorial planning of two levels and three factors was done in order to obtain an optimized recipe for subsequent comparison with commons recipes used in industry. Were evaluated the brightness （DL）, energy consumption （dQ）, H2O2 residual （Rox）, processing time and ecological costs.
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