结垢
光催化
降级(电信)
膜
化学工程
膜污染
碳化硅
腐植酸
化学
材料科学
环境化学
废物管理
催化作用
冶金
有机化学
工程类
电信
肥料
生物化学
计算机科学
作者
Sahar Sakhaie,Fariborz Taghipour
出处
期刊:Chemosphere
[Elsevier]
日期:2023-07-01
卷期号:328: 138593-138593
被引量:4
标识
DOI:10.1016/j.chemosphere.2023.138593
摘要
The utilization of membranes in the water industry has been growing rapidly; however, the technology still experiences problems with fouling. A potential solution is to immobilize photocatalyst particles on the surface of the membranes to encourage in situ degradation of the organic contaminants contributing to the fouling. In this study, we developed a photocatalytic membrane (PM) by coating a silicon carbide membrane with Zr/TiO2 sol. The performance of the PM in degrading different concentrations of humic acid was evaluated comparatively under UV irradiation of two wavelengths, 275 and 365 nm. The results indicated that (i) the PM achieved high levels of humic acid degradation, (ii) the photocatalytic activity of the PM reduced the formation of fouling and hence the loss of permeability, (iii) the formation of fouling was reversible; no trace of fouling was observed after cleaning, and (iv) the PM showed high durability during multiple rounds of operation.
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