Endogenous iron as a photo-Fenton reaction catalyst for the degradation of Pah's in soils

被引：0

作者：

Silva, Paula Tereza de S. E. ^{[2
]}

Locatelli, Marco A. F. ^{[3
]}

Jardim, Wilson F. ^{[3
]}

Neto, Benicio B. ^{[2
]}

da Motta, Mauricio ^{[1
]}

de Castro, Gabriela Ribeiro ^{[1
]}

da Silva, Valdinete Lins ^{[1
]}

机构：

[1] Univ Fed Pernambuco, Dept Engn Quim, BR-50740250 Recife, PE, Brazil

[2] Univ Fed Pernambuco, Dept Quim Fundamental, BR-50740540 Recife, PE, Brazil

[3] Univ Estadual Campinas, Inst Quim, BR-13084862 Campinas, SP, Brazil

来源：

JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY | 2008年 / 19卷 / 02期

关键词：

soil; remediation; petroleum fuel; photo-Fenton; photo-Fenton-like;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Polycyclic aromatic hydrocarbon (PAH) components of diesel fuel are considered hazardous, due to their toxicity. We report the degradation of 16 PAHs using photo-Fenton and photo-Fenton-like processes in two different soil samples (S1 and S2) artificially contaminated with diesel oil. Experimental factorial designs were used to determine the most effective treatment conditions, with a view to achieving economical feasibility. For photo-Fenton reactions, the best degradation conditions resulted in an overall PAH concentration reduction of 94.6% and 95.6% for soils S1 and S2, respectively. The photo-Fenton-like processes also led to satisfactory degradation levels, obtained with only endogenous iron, low hydrogen peroxide concentration, short exposure time and no soil pH adjustment. These results demonstrate the viability of photo-Fenton-like processes to treat PAH contaminated areas.

引用

页码：329 / 336

页数：8

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