A heterogeneous peroxymonosulfate catalyst built by Fe-based metal-organic framework for the dye degradation
- Authors
- Moazeni, Malihe; Hashemian, Seyed Mehran; Sillanpaa, Mika; Ebrahimi, Afshin; Kim, Ki-Hyun
- Issue Date
- Feb-2022
- Publisher
- ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
- Keywords
- MIL-101(Fe); Metal-organic framework; Peroxymonosulfate; Sulfate radicals; Orange G dye; ANFIS; RSM
- Citation
- JOURNAL OF ENVIRONMENTAL MANAGEMENT, v.303, pp.1 - 14
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF ENVIRONMENTAL MANAGEMENT
- Volume
- 303
- Start Page
- 1
- End Page
- 14
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/138433
- DOI
- 10.1016/j.jenvman.2021.113897
- ISSN
- 0301-4797
- Abstract
- The regulatory control on dyes is an important issue, as their discharge into the environment can pose significant risks to human health. MIL-101(Fe) prepared by a solvothermal method was used as a catalyst to generate sulfate (SO4 center dot- ) and hydroxyl (HO center dot) radicals from peroxymonosulfate (PMS) for the treatment of orange G (OG). The structural properties of MIL-101(Fe) were assessed by a number of characterization approaches (e.g., Fouriertransform infrared spectroscopy). The factors controlling the removal of OG were explored by a response surface methodology with central composite design (RSM-CCD) plus adaptive neuro-fuzzy inference system (ANFIS). The synthetized MIL-101(Fe) had uniform octahedral nanocrystals with rough surfaces and porous structures. The maximum catalytic removal efficiency of OG with MIL-101(Fe)/PMS process was 74% (the final concentration of Fe2+ as 0.19 mg/L and reaction rate of 434.2 mu mol/g/h). The catalytic removal of OG could be defined by the non-linear kinetic models based on RSM. The OG removal efficiency declined noticeably with the addition of radical scavengers such as ethanol (EtOH) and tert-butanol (TBA) along with some mineral anions. Accordingly, MIL-101(Fe)/PMS is identified as an effective remediation option for the dyes based on advanced oxidation process (AOPs) based on high treatment efficiency at low dosage of low cost catalyst.
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