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IJNRD
INTERNATIONAL JOURNAL OF NOVEL RESEARCH AND DEVELOPMENT
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ISSN Approved Journal No: 2456-4184 | Impact factor: 8.76 | ESTD Year: 2016
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Paper Title: Kinetic and thermodynamic studies of oxidative degradation of chloro-derivatives of phenol in aqueous phase by classic fenton and photo-fenton processes
Authors Name: Mayur M. Yenkie , Dr. Pratibha S. Agrawal , Dr. M.G. Bhotmange
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IJNRD_186220
Published Paper Id: IJNRD2301227
Published In: Volume 8 Issue 1, January-2023
DOI:
Abstract: Abstract : Fenton oxidation offers itself as plausible treatment technology for complete removal or reduction of concentration of priority organic pollutants within permissible limits specified by environmental protection agencies. In the present investigation classic and UV assisted Fenton and Fenton-like oxidation of some chlorophenols have been studied. Experiments were carried out in a batch scale laboratory photoreactor to evaluate the kinetic and thermodynamic parameters. These studies show that maximum degradation of chlorophenols took place at pH = 3, initial chlorophenol concentration = 3x10-4 mol/L, H2O2/COD = 3.5, [H2O2] = 1.7 mol/L and Fe++/Fe+++ = 0.0093 mmol/L. The concentration decay profile could be better described by the pseudo-first-order model. The energy of activation of both Fenton and Fenton like process for 2CP and 4CP are very small as compared to the activation energy for noncatalytic oxidation of phenol in aqueous solution indicating a rapid degradation reaction path having very low energy of activation. The positive ∆H⧣ values indicating that an external source of energy is required to raise the energy level of reactants for the formation of transition state. The negative values of entropy of activation indicate at a more ordered and rigid transition state then the ground state. The oxidative degradation rate constants obtained are of the order of ≈ 8x10-4 sec-1 at 298 K and Gibbs free energy of activation ΔG# values around 80 kJ/mol-1 implying a reaction with half life of t1/2 ≈ 15 - 20 min and corresponds to a typical reaction that proceeds to completion within few hours.
Keywords: AOP, Classic Fenton, UV-Fenton, Fenton-like, UV-Fenton-like, Degradation, Chlorophenols, Reaction Kinetics, Thermodynamic parameters.
Cite Article: "Kinetic and thermodynamic studies of oxidative degradation of chloro-derivatives of phenol in aqueous phase by classic fenton and photo-fenton processes", International Journal of Novel Research and Development (www.ijnrd.org), ISSN:2456-4184, Vol.8, Issue 1, page no.c203-c210, January-2023, Available :http://www.ijnrd.org/papers/IJNRD2301227.pdf
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ISSN: 2456-4184 | IMPACT FACTOR: 8.76 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.76 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator
Publication Details: Published Paper ID:IJNRD2301227
Registration ID: 186220
Published In: Volume 8 Issue 1, January-2023
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Page No: c203-c210
Country: Nagpur, Maharashtra, India
Research Area: Chemistry
Publisher : IJ Publication
Published Paper URL : https://www.ijnrd.org/viewpaperforall?paper=IJNRD2301227
Published Paper PDF: https://www.ijnrd.org/papers/IJNRD2301227
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ISSN: 2456-4184
Impact Factor: 8.76 and ISSN APPROVED
Journal Starting Year (ESTD) : 2016

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