Optimization of eco-friendly laccase decolorization for monochlorotriazine reactive dyed waste cotton fabrics using response surface methodology

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Eco-friendly enzymatic approach improves decolorization efficiency in cotton fabrics, highlighting potential for textile recycling.

Decolorization efficiencies of 62%, 30%, and 27% were achieved for blue, yellow, and red dyed cotton fabrics, respectively.
Optimal conditions included 0.5% HBT, pH 7, and 50°C, retaining fiber strength above 95% after treatment.
Box–Behnken design response surface methodology was used to optimize laccase treatment parameters effectively.
This approach may enable sustainable textile recycling, providing significant economic and environmental benefits.

Zhou et al. (2025) studied this question.

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