Solar photo-Fenton oxidation of mature landfill leachate : empirical model and chemical inferences

In this study, a stochastic model was applied to investigate the degradation of landfill leachate by solar photo-Fenton processes. The coefficient of determination (R2) between experimental and predicted data ranged from 0.9958-0.9995. The optimal conditions for the initial phase (lasting 5-22 min)...

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Veröffentlicht in:Environmental technology. - 1993. - 43(2022), 19 vom: 03. Aug., Seite 2891-2898
1. Verfasser: Izário Filho, Hélcio José (VerfasserIn)
Weitere Verfasser: Siqueira, Adriano Francisco, Alcântara, Marco Aurélio Kondracki, Aguiar, Leandro Gonçalves, Rós, Patrícia Caroline Molgero Da, Napoleão, Diovana Aparecida Dos Santos, Cavalcanti, Alessandro Sampaio, Brandão, Joaquim Joffre
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Inference mechanisms organic carbon oxidation sanitary landfill solar photo-Fenton stochastic model Water Pollutants, Chemical Hydrogen Peroxide BBX060AN9V Iron E1UOL152H7
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520 |a In this study, a stochastic model was applied to investigate the degradation of landfill leachate by solar photo-Fenton processes. The coefficient of determination (R2) between experimental and predicted data ranged from 0.9958-0.9995. The optimal conditions for the initial phase (lasting 5-22 min) were high Fe2+ level, low pH level, and intermediate H2O2 level. For the second phase, optimal leachate degradation percentages were obtained by maintaining the pH, increasing H2O2, and decreasing Fe2+ to the lowest level. Determination of optimal reaction conditions (such as pH, Fe2+, and H2O2 values) for both degradation phases is of paramount importance for process scale-up. The major contribution of this study was the development of a tool that considers the effects of one or more reactions on organic carbon degradation. This was achieved by assessing the significance of the effects of experimental conditions on model parameters for the fast and slow steps of leachate degradation by advanced oxidation processes 
650 4 |a Journal Article 
650 4 |a Inference mechanisms 
650 4 |a organic carbon oxidation 
650 4 |a sanitary landfill 
650 4 |a solar photo-Fenton 
650 4 |a stochastic model 
650 7 |a Water Pollutants, Chemical  |2 NLM 
650 7 |a Hydrogen Peroxide  |2 NLM 
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650 7 |a Iron  |2 NLM 
650 7 |a E1UOL152H7  |2 NLM 
700 1 |a Siqueira, Adriano Francisco  |e verfasserin  |4 aut 
700 1 |a Alcântara, Marco Aurélio Kondracki  |e verfasserin  |4 aut 
700 1 |a Aguiar, Leandro Gonçalves  |e verfasserin  |4 aut 
700 1 |a Rós, Patrícia Caroline Molgero Da  |e verfasserin  |4 aut 
700 1 |a Napoleão, Diovana Aparecida Dos Santos  |e verfasserin  |4 aut 
700 1 |a Cavalcanti, Alessandro Sampaio  |e verfasserin  |4 aut 
700 1 |a Brandão, Joaquim Joffre  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Environmental technology  |d 1993  |g 43(2022), 19 vom: 03. Aug., Seite 2891-2898  |w (DE-627)NLM098202545  |x 1479-487X  |7 nnns 
773 1 8 |g volume:43  |g year:2022  |g number:19  |g day:03  |g month:08  |g pages:2891-2898 
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