材料科学
煅烧
降级(电信)
复合数
异质结
纳米颗粒
化学工程
光催化
环境修复
催化作用
纳米复合材料
污染物
纳米技术
复合材料
污染
有机化学
计算机科学
化学
光电子学
生物
生态学
电信
工程类
作者
Weilong Shi,Yongming Fu,Chen‐chen Hao,Feng Guo,Yubin Tang
标识
DOI:10.1016/j.mtcomm.2022.104449
摘要
Heterogeneous photo-Fenton technology is a kind of technology based on the in-situ generation of highly active and oxidized free radicals that can degrade most of the organic pollutants. As for the study, MnFe2O4/MXene (Ti3C2Tx) composites were obtained from a simple calcination strategy for photo-Fenton degradation of tetracycline (TC). The results of the characterization exhibit that MXene nanosheets could uniformly dispersed MnFe2O4 nanoparticles, which both improved the utilization rate of visible light over MnFe2O4 and effectively alleviate the agglomeration of MnFe2O4 nanoparticles as a support. The optimal sample (MT-10) displays the outstanding degradation efficiency (93.8%) of TC under the conditions of TC concentration (10 mg/L), catalyst dosage (100 mg/L), H2O2 dose (0.4 mL) and pH value (pH = 3). In addition, the as-prepared MnFe2O4/MXene composite also shows good cycle stability, magnetic recovery, and low biotoxicity. These findings expand the scope of MXene in synthesizing and designing efficient and stable composite material in environmental remediation field.
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