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Investigations on the oxidative degradation by Fenton's oxidation and UV\u2013Fenton's oxidation with EDTA at neutral pH were conducted and degradation of target compound was evaluated. UV\u2013Fenton's oxidation was shown to be efficient over Fenton's oxidation in the degradation of Rhodamine B with removal efficiency of 90.0%. Design of Experiments was performed with Box\u2013Behnken design. Investigation was conducted for the predicted values separately for both Fenton's oxidation and UV\u2013Fenton's oxidation and the Rhodamine B removal was taken as response. Variable parameters biojarosite, H2O2 dosage and EDTA were optimized in the range of 0.1\u20131 g\/L, 2.94\u201329.4 mM and 10\u2013100 mM, respectively. A quadratic regression model is fitted for both Fenton's and UV\u2013Fenton's oxidation. Analysis of variance (ANOVA) is performed and model fit is discussed.<\/jats:p>","DOI":"10.2166\/wst.2022.299","type":"journal-article","created":{"date-parts":[[2022,10,5]],"date-time":"2022-10-05T04:41:30Z","timestamp":1664944890000},"page":"2008-2019","update-policy":"https:\/\/doi.org\/10.2166\/iwapcrossmarkpolicypage","source":"Crossref","is-referenced-by-count":9,"title":["Sustainable replacement of EDTA\u2013Biojarosite for commercial iron in the Fenton's and UV\u2013Fenton's degradation of Rhowedamine B \u2013 a process optimization using Box\u2013Behnken method"],"prefix":"10.2166","volume":"86","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-0203-3629","authenticated-orcid":false,"given":"Bhaskar","family":"S","sequence":"first","affiliation":[{"name":"a Department of Civil Engineering, National Institute of Technology Karnataka, Surathkal, P.O. Srinivasnagar, Mangalore 575025, India"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K. 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Y.","family":"Sreenivasa","sequence":"additional","affiliation":[{"name":"b Department of Studies in Microbiology, University of Mysore, Mysuru, Karnataka 570006, India"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"945","published-online":{"date-parts":[[2022,10,3]]},"reference":[{"key":"key-10.2166\/wst.2022.299-1","doi-asserted-by":"publisher","DOI":"10.1515\/pjct-2017-0015"},{"key":"key-10.2166\/wst.2022.299-2","doi-asserted-by":"publisher","DOI":"10.1016\/j.seppur.2021.119559"},{"key":"key-10.2166\/wst.2022.299-3","doi-asserted-by":"publisher","DOI":"10.1016\/j.desal.2008.03.016"},{"key":"key-10.2166\/wst.2022.299-4","doi-asserted-by":"publisher","DOI":"10.1016\/S0045-6535(99)00211-8"},{"key":"key-10.2166\/wst.2022.299-5","doi-asserted-by":"publisher","DOI":"10.1016\/j.clay.2014.01.020"},{"key":"key-10.2166\/wst.2022.299-6","first-page":"365","article-title":"Green synthesis of Bioleached Flyash Iron Nanoparticles (GBFFeNP) using Azadirachta indica leaves and 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