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Study on the Adsorption of Methylene Blue by Oxytetracycline Bacterial Residue Activation Carbon

[Objective] The research aims to study the adsorption of methylene blue by oxytetracycline bacterial residue activation carbon.[Method]Oxytetracycline bacterial residue activation carbon is the adsorbent,and the effects of p H,adsorption temperature and rotation speed on adsorption for methylene blue are studied. Pseudo-first-order and pseudo-second-order models are used to fit the kinetic data. [Result] The adsorption capacity increases with the increase of p H,and is the maximum at 35 ℃. When rotation speed is up to 150 r / min,the adsorption capacity is the maximum. Kinetic study results show that the kinetic data are well described by the pseudo-second-order kinetic model. [Conclusion]The research could provide the scientific basis for scientific research and reasonable utilization of oxytetracycline bacterial residue activation carbon adsorbing methylene blue.