pH和铁磁纳米颗粒对菌丝球吸附EE2的影响研究  

Effect of ferromagnetic nanoparticles and pH on adsorption of EE2 by mycelial pellets

作　　者：孔祥震[1] 郭海娟 马放[1] 耿明月 肖霄 KONG Xiangzhen;GUO Haijuan;MA Fang;GENG Mingyue;XIAO Xiao(State Key Laboratory of Urban Water Resources and Environment,Harbin Institute of Technology,Harbin 150001,China;School of Environment,Liaoning University,Shenyang 110036,China)

机构地区：[1]哈尔滨工业大学城市水资源与水环境国家重点实验室,黑龙江哈尔滨150001 [2]辽宁大学环境学院,辽宁沈阳110036

出　　处：《环境保护科学》2022年第2期85-88,101,共5页Environmental Protection Science

基　　金：国家自然科学基金资助项目(51878237)。

摘　　要：以菌丝球作为生物质吸附剂,对17α-乙炔雌二醇(EE2)进行去除效果实验,研究了pH变化和铁磁纳米颗粒的加入对菌丝球吸附EE2的效果影响。结果表明:在pH为5.6时,菌丝球吸附EE2的效果最好,去除率可达99%;菌丝球吸附EE2的效率随着EE2初始浓度的升高而提高,当EE2初始浓度超过一定范围时,由于传质驱动力的降低,使得菌丝球吸附EE2的效率有明显下降;铁磁纳米颗粒的加入对菌丝球吸附EE2有十分明显的抑制作用。Mycelial pellets were used to absorb 17α-ethynylestradiol as the biomass absorbent,and experiments were conducted to investigate the influence of variation of pH and addition of ferromagnetic nanoparticles on removal effects.The results showed that the adsorption effect of EE2 by mycelial pellets was optimal and the removal efficiency could reach 99%at the pH of5.6.The adsorption efficiency increased with the initial EE2 concentration increasing.However when the initial EE2 concentration exceeded the certain range,the adsorption efficiency of EE2 by mycelial pellets decreased obviously with the dcreasing mass transfer driving force.The addition of ferromagnetic nanoparticles inhibited the adsorption efficiency of EE2 by mycelial pellets drastically.

关 键 词：菌丝球 雌激素 PH 铁磁纳米颗粒 17α-乙炔雌二醇 

分 类 号：X52[环境科学与工程—环境工程]