中文摘要：

利用冻干法将氧化石墨烯（GO）和碳纳米管（CNTs）的混合液凝胶制备成碳气凝胶，并通过扫描电镜（SEM）和傅里叶变换红外（FTIR）光谱对该气凝胶进行表征．通过考查吸附剂的量、pH值、初始浓度以及时间对吸附的影响来了解碳气凝胶吸附铀（VI）元素的过程，结果显示，碳气凝胶可以有效移除水溶液中的铀（VI）元素，是一种有潜力的吸附剂．

英文摘要：

Carbon aerogels were prepared, using a freeze-drying method, from graphene oxide （GO） and carbon nanotube （CNT） hybrid hydrogels. The resulting aerogels were characterized using scanning electron microscopy and Fourier-transformed infrared spectroscopy. The adsorption of U（VI） on the GO-CNT aerogels was studied as a function of solid dosage, pH value, initial concentration, and contact time. The results showed that GO-CNT aerogels have high uraniurn（VI） removal capacities, and are promising sorbents.