2010
DOI: 10.1590/s0103-50532010000600019
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Diesel degradation in soil by fenton process

Abstract: Este trabalho descreve a utilização do processo Fenton para degradação de diesel em solo e destaca aspectos comuns em situações reais de contaminação que podem afetar a eficiência da remediação. Foi observado que a maior parte dos hidrocarbonetos presentes no diesel com menos de 14 carbonos foi perdida por volatilização antes da remediação. Em solo franco, cerca de 80% do diesel foi degradado enquanto que em solo franco-argiloso a degradação foi inferior a 20%. Adições múltiplas de H 2 O 2 proporcionaram degra… Show more

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Cited by 25 publications
(8 citation statements)
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“…Most of the remediation studies to degrade oil hydrocarbons employing H 2 O 2 and Na 2 S 2 O 8 were performed at acidic pH (≤ 3) by Fe-catalyzed chemical oxidation (Kong et al, 1998;Goi et al, 2006;Do et al, 2010;Villa et al, 2010;Pardo et al, 2014) (Table 1). Due to 314 detrimental effects of this initial acidification, efforts were made to perform chemical 315 oxidation of oil hydrocarbons at circumneutral pH by using catalytic ability of basic oxygen 316 furnace slag (Tsai and Kao, 2009), soluble Fe(III) or Fe(II) with chelating agents (CAs) like 317 EDTA or trisodium citrate or citric acid (Lu et al, 2010;Pardo et al, 2014;Xu et al, 2016b;318 Xu et al, 2017), magnetite (Usman et al, 2012a;Jamialahmadi et al, 2015) and zero-319 valent Fe (Jamialahmadi et al, 2015).…”
Section: Magnetite-catalyzed Chemical Oxidation Vs Common Oxidation mentioning
confidence: 99%
“…Most of the remediation studies to degrade oil hydrocarbons employing H 2 O 2 and Na 2 S 2 O 8 were performed at acidic pH (≤ 3) by Fe-catalyzed chemical oxidation (Kong et al, 1998;Goi et al, 2006;Do et al, 2010;Villa et al, 2010;Pardo et al, 2014) (Table 1). Due to 314 detrimental effects of this initial acidification, efforts were made to perform chemical 315 oxidation of oil hydrocarbons at circumneutral pH by using catalytic ability of basic oxygen 316 furnace slag (Tsai and Kao, 2009), soluble Fe(III) or Fe(II) with chelating agents (CAs) like 317 EDTA or trisodium citrate or citric acid (Lu et al, 2010;Pardo et al, 2014;Xu et al, 2016b;318 Xu et al, 2017), magnetite (Usman et al, 2012a;Jamialahmadi et al, 2015) and zero-319 valent Fe (Jamialahmadi et al, 2015).…”
Section: Magnetite-catalyzed Chemical Oxidation Vs Common Oxidation mentioning
confidence: 99%
“…26 Desde então, os processos Fenton vêm sendo amplamente empregados para a remediação de solos contaminados com diversos poluentes, particularmente hidrocarbonetos derivados de petróleo. 6,27,28 Em geral, o uso de formas solúveis de ferro (II) permite uma eficiente degradação de poluentes. Entretanto, as reações devem ser realizadas em meio ácido (pH 2 a 3), de maneira a se evitar a precipitação de óxidos férricos que apresentam menor capacidade de catálise 3 e que tendem a reduzir a permeabilidade do solo.…”
Section: Processos Fenton Aplicados Na Remediação De Solosunclassified
“…When spilled on the soil, the NAPL will be exposed to wind and heat for a certain time which might be sufficient to evaporate the light NAPL fraction (Villa et al, 2010). In soils, NAPL may undergo biodegradation, governed by microorganisms, leading to the loss of contaminants (Wiedmeier et al, 1999) and the modification of initial NAPL composition.…”
Section: Introductionmentioning
confidence: 99%