Carbon nanotubes-incorporated MIL-88B-Fe as highly efficient Fenton-like catalyst for degradation of organic pollutants

  • Hang Zhang
  • Shuo ChenEmail author
  • Haiguang Zhang
  • Xinfei Fan
  • Cong Gao
  • Hongtao Yu
  • Xie Quan
Research Article


Iron-based metal organic frameworks have been verified to be efficient heterogeneous Fenton catalysts due to their open pore channels and highly uniform distribution of metallic centers. In these catalysts, however, the iron element is mainly in the form of Fe(III), which results in a process required to reduce Fe(III) to Fe(II) to initiate Fenton reaction. To address this problem, carbon nanotubes (CNTs) with electron-rich oxygen-functional groups on the surface were incorporated into the metal organic frameworks (MIL-88B-Fe) to improve Fe(II) content for an enhanced Fenton-like performance. The prepared CNT@MIL-88B-Fe (C@M) showed much stronger catalytic ability toward H2O2 than MIL-88B-Fe. The pseudo-first-order kinetic constant for phenol degradation by C@M (0.32 min–1) was about 7 times that of MIL-88B-Fe, and even higher than or comparable to the values of reported heterogeneous Fenton-like catalysts. Moreover, the Fenton-like system could effectively degrade various kinds of refractory organic pollutants and exhibited excellent catalytic activity over a wide pH range (4–9). XPS analysis confirmed that Fe(II) content of the catalyst gradually increased with CNT loadings. Electron spin resonance analysis showed that the signal intensity (•OH) of C@M was much higher than MIL-88B-Fe, which was consistent with the degradation efficiency of pollutants. Furthermore, the Fe(II) content of the catalyst gradually increased along with the oxygen-functional group content of CNTs. The result demonstrated that oxygen-containing functional groups of CNTs have a significant impact on the enhanced catalytic performance of C@M. This study provides a new insight to enhance Fenton reaction by using nanocarbon materials.


Heterogeneous Fenton-like catalysts MIL-88B-Fe CNTs Organic pollutants Mechanism 



This work was supported by National Natural Science Foundation of China (Grant No. 51478075), Department of Science & Technology of Dalian (No. 2018J11CY012), the Program of Introducing Talents of Discipline to Universities (No. B13012), and programme for Changjiang Scholars and Innovative Research Team in University (No. IRT_13R05).

Supplementary material

11783_2019_1101_MOESM1_ESM.pdf (1.7 mb)
Supporting Information


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Copyright information

© Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • Hang Zhang
    • 1
  • Shuo Chen
    • 1
    Email author
  • Haiguang Zhang
    • 1
  • Xinfei Fan
    • 1
  • Cong Gao
    • 1
  • Hongtao Yu
    • 1
  • Xie Quan
    • 1
  1. 1.Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and TechnologyDalian University of TechnologyDalianChina

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