Enhanced degradation and recycling of reactive dye wastewater using cobalt loaded MXene catalysts

This study introduces a novel method for treating reactive dye wastewater using cobalt-loaded MXene catalysts and peroxymonosulfate (PMS). The Co@MXene catalyst effectively activated PMS, leading to 97.1% degradation of C.I. Reactive Red 195 within 36 minutes under optimized conditions. The addition of NaCl further enhanced the degradation rate. The catalyst demonstrated high reusability, maintaining 93.5% degradation efficiency after ten cycles. The treated wastewater was successfully reused for dyeing cotton fabrics, highlighting the potential for sustainable textile dyeing practices.

Dawu Shu, Xinqi Zhang, Bo Han, Wanxin Li, Bingxin Wang, Chengshu Xu