GO-ATP复合材料的制备及吸附性能研究

Deqiang Xia,Lianfang Ben,Ruting Yang,Liming Gan,Weihua Lv,Fusong Hu

Non-Metallic Mines（2018）

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Abstract

采用改进Hummers法联合超声剥离制备氧化石墨烯(GO),以GO和凹凸棒土(ATP)为前体物、壳聚糖为结合剂制备氧化石墨烯-凹凸棒土功能材料(GO-ATP),用FTIR、TEM、SEM及BET等对制备的材料进行结构表征.结果表明,GO-ATP表面分布有大量的褶皱和空穴,呈现近乎透明的形貌,说明壳聚糖改性凹凸棒的加入能够很好地阻止GO的团聚.对亚甲基蓝(MB)的静态吸附试验表明,GO-ATP能够快速吸附水中的亚甲基蓝,吸附符合二级动力学模型.

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