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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2021.6
- 수록면
- 14 - 23 (10page)
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초록· 키워드
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The mineralization analysis of wastewater is important for the growth of flora and fauna. The mineralization along with the degradation of 4-NP has been studied using homogeneous Fenton oxidation process. The mineralization of 4-NP has been reported in terms of chemical oxygen demand (COD) removal % and total organic carbon (TOC) removal %. The main parameters that affect the mineralization and degradation of 4-NP i.e. initial pH (1 – 5), reaction time (0 – 60 min), the concentration of hydrogen peroxide (1 – 5 mM) and concentration of ferrous ions (0.05 – 0.5 mM) have been optimized. In the present study, optimum reaction conditions for mineralization and degradation of 4-NP are observed at pH 3, 4 mM of H₂O₂ concentration, 0.2 mM of Fe2+ concentration and in 40 min of reaction time. At the optimum condition, COD removal and TOC removal were 50% and 60.3%, respectively along with 93.6% of 4-NP degradation. At optimized conditions, intermediate products obtained after homogeneous degradation of 4-NP were identified based on LC-MS spectra analysis. The degradation of 4-NP followed, second order reaction rate. The present study showed the higher degradation and mineralization of 4-NP as compared to available studies on 4-NP.
목차
ABSTRACT
1. Introduction
2. Material and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (45)
참고문헌 신청
Zhao B, Mele G, Pio I, Li J, Palmisano L, Vasapoll G. Degradation of 4-nitrophenol (4-NP) using Fe-TiO2 as a heterogeneous photo-Fenton catalyst. J. Hazard. Mater. 2010;176:569-574.
Sun S-P, Lemley T. p-Nitrophenol degradation by a heterogeneous Fenton-like reaction on nano-magnetite: Process optimization, kinetics, and degradation pathways. J. Mol. Catal. A Chem. 2011;349:71-79.
Liotta LF, Gruttadauria M, Carlo GD, Perrini G, Librando V. Heterogeneous catalytic degradation of phenolic substrates: Catalysts activity. J. Hazard. Mater. 2009;162:588-606.
Fathi Z, Keshmirizadeh E. Use of Fenton Reagent as Advanced Oxidative Process for Removal of Basic and Acid Red Dyes from Aqueous Solutions. J. Appl. Chem. Res. 2015;9:7-19.
Song Y, Xiao L. Comparison treatment of various chlorophenols by electro-Fenton method: relationship between chlorine content and degradation. J. Hazard. Mater. 2005;118:85-92.
Sun S-P, Lemley T. p-Nitrophenol degradation by a heterogeneous Fenton-like reaction on nano-magnetite: Process optimization, kinetics, and degradation pathways. J. Mol. Catal. A Chem. 2011;349:71-79.
Liotta LF, Gruttadauria M, Carlo GD, Perrini G, Librando V. Heterogeneous catalytic degradation of phenolic substrates: Catalysts activity. J. Hazard. Mater. 2009;162:588-606.
Fathi Z, Keshmirizadeh E. Use of Fenton Reagent as Advanced Oxidative Process for Removal of Basic and Acid Red Dyes from Aqueous Solutions. J. Appl. Chem. Res. 2015;9:7-19.
Song Y, Xiao L. Comparison treatment of various chlorophenols by electro-Fenton method: relationship between chlorine content and degradation. J. Hazard. Mater. 2005;118:85-92.
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