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PEO基MOFs杂化泡沫材料对四环素和Cu2+吸附性能

李微 宁雨阳 刘宁 高明杰

李微, 宁雨阳, 刘宁, 高明杰. PEO基MOFs杂化泡沫材料对四环素和Cu2+吸附性能[J]. 环境工程, 2023, 41(7): 76-85. doi: 10.13205/j.hjgc.202307011
引用本文: 李微, 宁雨阳, 刘宁, 高明杰. PEO基MOFs杂化泡沫材料对四环素和Cu2+吸附性能[J]. 环境工程, 2023, 41(7): 76-85. doi: 10.13205/j.hjgc.202307011
CAO Ruining, LI Zhen, YAN Yulong, PENG Lin, HAN Donghang, NIU Yueyuan, DUAN Xiaolin, XU Yinjie. EFFECT OF DILUTION RATIO ON MEASUREMENT OF PM2.5 DURING DILUTION SAMPLING PROCESS OF COKING COAL CHARGING FLUE[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(8): 127-136. doi: 10.13205/j.hjgc.202308016
Citation: LI Wei, NING Yuyang, LIU Ning, GAO Mingjie. ADSORPTION PERFORMANCE OF PEO-BASED MOFs HYBRID FOAM MATERIALS ON TETRACYCLINE AND Cu2+[J]. ENVIRONMENTAL ENGINEERING , 2023, 41(7): 76-85. doi: 10.13205/j.hjgc.202307011

PEO基MOFs杂化泡沫材料对四环素和Cu2+吸附性能

doi: 10.13205/j.hjgc.202307011
基金项目: 

沈阳市科技计划项目(22322310);辽宁省教育厅科学研究项目(lnqn202010);辽宁省科技厅自然科学基金(2019ZD0671)

详细信息
    作者简介:

    李微(1982-),女,副教授,主要研究方向为污水处理技术。liweilengjinyue@163.com

    通讯作者:

    李微(1982-),女,副教授,主要研究方向为污水处理技术。liweilengjinyue@163.com

ADSORPTION PERFORMANCE OF PEO-BASED MOFs HYBRID FOAM MATERIALS ON TETRACYCLINE AND Cu2+

  • 摘要: 通过冰模板-冷冻干燥法合成了金属有机骨架杂化泡沫MIL-100(Fe)/PEO,利用X射线衍射、氮气吸附脱附、扫描电镜、TG-DSC技术,对杂化泡沫表面结构形态与元素组成进行表征分析,通过吸附实验分析了杂化泡沫吸附性能的影响因素及吸附动力学、吸附热力学和吸附等温线模型,利用循环再生稳定性实验研究了杂化泡沫分离再生稳定性。结果表明:MIL-100(Fe)/PEO杂化泡沫具有较强的机械强度和丰富的多孔结构,且保留了MIL-100(Fe)自身的特性;MIL-100(Fe)/PEO投加量为30 mg,吸附时间为12 h,四环素和Cu2+初始浓度为30 mg/L,pH为中性时,MIL-100(Fe)/PEO对TC和Cu2+的最大吸附量达到85.02,87.66 mg/g;材料的吸附过程符合拟二级动力学与Langmuir等温吸附模型,是一个放热、自发的过程;在循环吸附8次后,MIL-100(Fe)/PEO对TC和Cu2+的去除率均保持在70%左右。MIL-100(Fe)/PEO杂化泡沫是一种高效稳定的吸附剂,在废水中四环素和Cu2+复合污染物去除方面具有广阔的应用前景。
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