Journal Pre-proofs Full Length Article Synthesis of spinel ferrite and its role in the removal of free fatty acids from deteriorated vegetable oil Adewale Adewuyi, Adole I. Ogagbolo, Woei Jye Lau, Rotimi A. Oderinde PII: S1004-9541(20)30565-6 DOI: https://doi.org/10.1016/j.cjche.2020.08.054 Reference: CJCHE 1986 To appear in: Chinese Journal of Chemical Engineering Received Date: 15 June 2020 Revised Date: 13 August 2020 Accepted Date: 17 August 2020 Please cite this article as: A. Adewuyi, A.I. Ogagbolo, W. Jye Lau, R.A. Oderinde, Synthesis of spinel ferrite and its role in the removal of free fatty acids from deteriorated vegetable oil, Chinese Journal of Chemical Engineering (2020), doi: https://doi.org/10.1016/j.cjche.2020.08.054 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 The Chemical Industry and Engineering Society of China, and Chemical Industry Press.