Journal Pre-proofs Visible light-induced activation of peroxymonosulfate in the presence of fer- ric ions for the degradation of organic pollutants Najmul Hasan, Saewung Kim, Min Sik Kim, Nguyen Thi Thao Nguyen, Changha Lee, Jungwon Kim PII: S1383-5866(19)35608-4 DOI: https://doi.org/10.1016/j.seppur.2020.116620 Reference: SEPPUR 116620 To appear in: Separation and Purification Technology Received Date: 6 December 2019 Revised Date: 23 January 2020 Accepted Date: 23 January 2020 Please cite this article as: N. Hasan, S. Kim, M. Sik Kim, N. Thi Thao Nguyen, C. Lee, J. Kim, Visible light- induced activation of peroxymonosulfate in the presence of ferric ions for the degradation of organic pollutants, Separation and Purification Technology (2020), doi: https://doi.org/10.1016/j.seppur.2020.116620 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2020 Elsevier B.V. All rights reserved.