纺织学报 ›› 2021, Vol. 42 ›› Issue (08): 128-134.doi: 10.13475/j.fzxb.20201007107
ZHANG Yuhan1, SHEN Guodong1,2, FAN Wei1,3, SUN Runjun1,3()
摘要:
为解决粉体光催化剂在降解纺织印染废水过程中易团聚、难以回收利用的问题,采用溶剂热法制备芳纶固载BiOBr(BiOBr/AF)复合材料,对材料的微观形貌和结构进行表征与分析,研究了BiOBr/AF在可见光照射下对模拟染色废水的光催化深度降解性能。结果表明:以乙二醇为溶剂,柠檬酸为螯合剂,芳纶为固载基体,于160 ℃下反应12 h,形貌规整的厚片状BiOBr均匀生长于AF载体表面;BiOBr/AF可实现对直接湖蓝5B、弱酸性艳蓝A和活性嫩黄K-4S染料模拟染色废水的深度降解,降解率均高于98%,且具有良好的循环使用稳定性,化学需氧量(COD)和生化需氧量(BOD)降解率均高于70%,深度降解后的COD、BOD值能满足纺织染整工业水污染物排放限值要求。
中图分类号:
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