Preparation of Polyvinyl Alcohol/Graphene Oxide Composites and Their Adsorption Properties
2020
Yanyan Dong, Manuel J. Lis Arias, Chengye Hu, Wendan Wu, Liping Liang, Xinlan Mou and Xu Meng
The polyvinyl alcohol/graphene oxide (PVA/GO) hydrogel was prepared. It was confirmed that the adsorption performance of polyvinyl alcohol/graphene oxide hydrogel composite material was improved, and it does not cause secondary pollution. According to adsorption experiments, it was found that PVA/ GO adsorbent with a content of 30 % graphene oxide has the best comprehensive performance. The suitable environment of adsorption was under 25°C, 12-18 h for adsorption time and acidic conditions. The suitable adsorbent dosage was 0.3g and the suitable concentration of the dye was 10 mg/L.
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