Self-floating Luffa Sponge Photocatalyst

Recoverable & efficient degradation

C/P co-doped g-C3N4/MoS2 S-scheme heterojunction on natural luffa sponge enables efficient visible-light-driven PMS activation for degrading recalcitrant organics, with easy recovery.

Liping, Zhang · Weiwei, Wang · Yangyang, Luo · Huitong, Li · Lifang, Wang · Yujing, Cui · Runchao, Sun · Zhang, Cun

Chemical Engineering Journal 2026

Specifications

Apparent rate constant enhancement

{'zh': '11.7', 'en': '11.7'} ×

COD removal rate

{'zh': '71–79', 'en': '71–79'} %

Advantages

Recoverable catalyst

The catalyst is supported on natural luffa sponge, providing self-floating properties and easy recovery after use, eliminating the need for additional immobilization.

Stable long-term operation

In continuous-flow experiments, the system maintained a stable COD removal rate of 71%–79% over 720 min, demonstrating robust practical potential.

Applications

• Photocatalytic degradation：Enhance visible-light degradation of recalcitrant organics
• Advanced oxidation water treatment：Activate PMS to generate reactive oxygen species for advanced industrial wastewater treatment
• Biomass-based catalyst supports：Use natural luffa sponge for self-floating and easy recovery of catalyst