Experimental study demonstrates rapid basic violet 3 dye removal using a carbon nanotube-MXene composite, suggesting an efficient approach for industrial wastewater treatment.
Carcinogenic basic violet 3 (BV3) has severe hazards, requiring efficient extraction methods. The study demonstrates solvothermal MWCNT-MXene adsorbent fabrication to remove BV3 from aqueous solutions. The composite exhibited 99% BV3 adsorption in 30 min and a maximum capacity of 263.2 mg g−1. Langmuir isotherm and pseudo-second-order kinetics behavior suggest monolayer chemisorption on energetically homogenous active sites. MXene's numerous surface functional groups and MWCNTs’ π-conjugated graphitic framework enable several adsorption mechanisms, including electrostatic contact, π–π stacking, and hydrogen bonding.
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Srivastava et al. (2026) studied this question.
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