Abstract: Aiming at treating with the pollution of ciprofloxacin hydrochloride in wastewater,graphene oxide-cellulose composite membrane (GOCE) and magnetic graphene oxide-cellulose composite membrane (FGCE) are prepared separately by phase inversion technique with a mixing solution of ionic liquid and dimethyl sulfoxide as solvent,which are used to remove ciprofloxacin hydrochloride.The effects of graphene oxide content,nano-Fe3O4 content,ciprofloxacin hydrochloride concentration,solution temperature,solution pH,coexisting anion and cation,water quality and regenerative times on the adsorption performance of composite membrane to ciprofloxacin hydrochloride are studied.The results show that the composite membrane FGCE that contains 5.0 wt% of graphene oxide and 4.0 wt% of magnetic nano-Fe3O4 (relative to the mass of microcrystalline cellulose) shows an equilibrium ciprofloxacin hydrochloride adsorption capacity of 21.67 mg/g when the initial concentration of ciprofloxacin hydrochloride is 50 mg·L-1,the temperature is set at 25℃ and solution pH is 6.7.The adsorption rate can reach 91.97% when the initial concentration of ciprofloxacin hydrochloride is 10 mg·L-1.
刘欣然, 李明雪, 张博, 李朋广, 高瑞昶. 纤维素复合膜吸附处理盐酸环丙沙星[J]. 现代化工, 2019, 39(6): 166-171.
LIU Xin-ran, LI Ming-xue, ZHANG Bo, LI Peng-guang, GAO Rui-chang. Treatment of ciprofloxacin hydrochloride by cellulose composite membrane. Modern Chemical Industry, 2019, 39(6): 166-171.
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