木质素
光催化
降级(电信)
材料科学
辐照
可见光谱
牛皮纸
化学工程
复合材料
化学
催化作用
有机化学
物理
工程类
核物理学
电信
光电子学
计算机科学
作者
Wenzhi Li,Dongke Zhang,Zhijie Du,Qiaozhi Ma,Hasan Jameel,Hou‐Min Chang
出处
期刊:Bioresources
[BioResources]
日期:2015-01-05
卷期号:10 (1)
被引量:28
标识
DOI:10.15376/biores.10.1.1245-1259
摘要
Cadium sulfide/titanium dioxide (CdS/TiO2) catalyst was prepared by two different methods: microemulsion-mediated solvothermal hydrolyzation (CdS/TiO2 (SH)) and in-situ sulfurization under supercritical conditions (CdS/TiO2 (SS)).The photocatalysts were characterized by nitrogen adsorption-desorption, X-ray diffraction, X-ray photoelectron spectra, UV-Vis absorption spectra, and PL spectra.Photodegradation reactions of three monomeric and one dimeric lignin model compounds, and kraft pine lignin (Indulin AT) were carried out at room temperature in a weak alkaline aqueous system by visible light irradiation with air bubbling.Quantitative results showed that these lignin model compounds and kraft lignin were effectively degraded.While both phenolic and non-phenolic lignin units are reactive, the phenolic units appeared to react faster and preferentially reacted.
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