Nowadays, the discharge of wastewater causes serious environmental pollution, affecting the living environment and the health of human beings. So the problem of wastewater treatment is imminent. In this context, the PVDF/SMA/CdS membranes had oil-water separation and dye degradation effects were prepared by using non-solvent phase transition and in-situ deposition methods. Its separation efficiency reached more than 98%, and the oil-water removal rate was at more than 90% after 5 times of recycling. Under visible light irradiation, it could completely degrade methylene blue solution (MB, 10 mg·L, pH=3) within 20 min, cochineal solution (Ponceau 4R) within 12 min, and chromium blue-black R (EBR) solution within 6 min, and the degradation rate was at more than 95% after 5 cycles. Therefore, the PVDF/SMA/CdS membrane can effectively treat wastewater. This study opens up a promising avenue for wastewater treatment technology with high potential for application.

中文翻译：

---

兼具分离和染料降解功能的PVDF/SMA/CdS Fenton类膜的制备及性能研究

如今，废水的排放造成了严重的环境污染，影响了生存环境和人类的健康。因此废水处理问题迫在眉睫。在此背景下，采用非溶剂相变和原位沉积方法制备了具有油水分离和染料降解作用的PVDF/SMA/CdS膜。其分离效率达到98%以上，循环使用5次后，油水去除率达到90%以上。可见光照射下，20 min内可完全降解亚甲蓝溶液（MB，10 mg·L，pH=3），12 min内可完全降解胭脂红溶液（丽春红4R），6 min内可完全降解铬蓝黑R（EBR）溶液分钟，5个循环后降解率在95%以上。因此，PVDF/SMA/CdS膜可以有效处理废水。这项研究为废水处理技术开辟了一条充满希望的途径，具有很高的应用潜力。