Electro-Fenton degradation of cellulose using graphite/PTFE electrodes modified by 2-ethylanthraquinone
Electro-Fenton degradation of cellulose using graphite/PTFE electrodes modified by 2-ethylanthraquinone
复制标题
2-乙基蒽醌改性石墨/PTFE电极电芬顿降解纤维素
DOI：
10.1016/j.carbpol.2011.07.021
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发表时间：
2011-10
影响因子：
11.2
通讯作者：
Li, Gang
中科院分区：
文献类型：
--
作者：
Wang, Zhong-Xu;Yang, Fang;Chen, Yu-Lu;Gao, Peng;Li, Gang
This paper reports an investigation on the degradation of cellulose via electro-Fenton method. The electrodes chosen were graphite/PTFE electrodes modified by 2-ethylanthraquinone (EAQ). The presence of EAQ greatly improved the rate of hydrogen peroxide formation on air-fed graphite/PTFE electrodes, which was determined by a UV spectroscopic method using molybdate as the color agent. Hydrogen peroxide can react with Fe2+to form hydroxyl radicals in an acidic medium, which accelerates cellulose degradation by cleaving the glycosidic bonds between glucose units. The degradation products of the cellulose contain soluble sugar and 5-HMF, which were fully characterized by1H NMR and13C NMR.
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