通过改进的 Hummers 法制备氧化石墨烯 ( GO) ，并利用扫描电子显微镜、紫外可见分光光度计、傅里叶红外分光光度计和 X 射线衍射仪对其形貌和结构进行表征; 同 时研究了 GO 添加量、溶液 pH、接触时间、溶液温度和金霉素( CTC) 和亚甲基蓝( MB) 的 初始质量浓度对 GO 吸附金霉素和亚甲基蓝的影响，并进行吸附动力学方程和吸附等温 线拟合． 结果表明: GO 对 MB 的吸附去除率要远高于对 CTC 的吸附去除率; GO 对 CTC 和 MB 的吸附更符合准二阶动力学和 Langmuir 模型; 在 300 K 时，对 CTC 和 MB 的最大吸附 量分别为 265. 25 mg /g 和 1 095. 70 mg /g; CTC 和 MB 在 GO 上的吸附是自发的吸热反应， 升高温度有利于吸附反应的进行

A modified Hummers method is adopted in the study of the graphene oxide ( GO) ． Morphological and structural characterization are performed by means of scanning electron microscopy，UV-visible spectrophotometer， Fourier transform infrared spectroscopy and X-ray diffraction scan analyses． Meanwhile，the effects of GO addition，solution pH，contact time，solution temperature，the initial mass concentration of chlortetracycline ( CTC) and methylene blue ( MB) are investigated into the adsorption of chlortetracycline and methylene blue by GO; The adsorption kinetic equations and adsorption isotherms are fitted． The results show that the adsorption removal rate of MB by GO is much higher than that of CTC; the CTC and MB adsorption onto GO fit well with the pseudo-second-order kinetic model and the Langmuir isotherm model respectively; the maximum adsorption capacity for CTC and MB are 265. 25 mg /g and 1095. 70 mg /g at 303 K respectively; the adsorption of CTC and MB onto GO is a spontaneous endothermic reaction，and the elevated temperature is favorable for the adsorption reaction．