Recyclable, superhydrophobic and effective Ag/TiO 2 @PDMS coated cotton fabric with visible-light photocatalyst for efficient water purification
Cellulose(2022)
摘要
Multifunctional materials for water purification have attracted significant attention due to the increased water pollution problems. However, fabricating the low-cost, effective, and recyclable separation material for wastewater containing various hazardous substances is still a challenge. Herein, we developed an Ag/TiO 2 @PDMS coated cotton fabric with self-cleaning ability, high flux, superior visible-light photocatalytic ability, and recyclability via the “powder + glue” strategy. The composites are superhydrophobic (water contact angle 157°) and show high separation efficiency. After 20 times of repeated use, the separation efficiency remains 16,322 Lm −2 h −1 , and methylene blue (MB) 's degradation rate remains almost unchanged. The high oil purification, catalytic property, excellent stability in harsh conditions, and recyclability enable the material as a satisfactory candidate for water purification. Graphical abstract
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关键词
Recyclability, Superhydrophobic cotton fabric, Visible-light photocatalysis, Anti-fouling, Water–oil separation
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