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Abstract:
针对城市污水厂尾水中残余有机物(以富里酸为例)可生化性差的问题,采用溶胶-凝胶法制备了镧(La)、氮(N)共掺杂的改性TiO_2光催化剂,用XRD、UV-Vis对材料结构和性能进行表征,考察了La、N掺杂量对催化氧化降解富里酸的影响,并分析了光催化氧化对富里酸的三维荧光特性、UV_(254)、COD和可生化性的影响。结果表明:La、N共掺杂可使TiO_2晶粒细化,增加可见光和紫外光的吸收,La、N掺杂量分别为0.05%、10%的TiO_2光催化剂氧化降解富里酸120 min,UV_(254)去除率为97.92%,比未掺杂TiO_2提高了36.32%;La、N共掺杂TiO_2光催化剂可破坏富里酸...
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Source :
净水技术
Year: 2018
Issue: 12
Volume: 37
Page: 91-97,120
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 8
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