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- Title
Use of sugarcane filter cake and nitrogen, phosphorus and potassium fertilization in the process of bioremediation of soil contaminated with diesel.
- Authors
Tellechea, Fernando; Martins, Marco; da Silva, Alexsandro; da Gama-Rodrigues, Emanuela; Martins, Meire
- Abstract
This study evaluated the use of sugarcane filter cake and nitrogen, phosphorus and potassium (NPK) fertilization in the bioremediation of a soil contaminated with diesel fuel using a completely randomized design. Five treatments (uncontaminated soil, T1; soil contaminated with diesel, T2; soil contaminated with diesel and treated with 15 % (wt) filter cake, T3; soil contaminated with diesel and treated with NPK fertilizer, T4; and soil contaminated with diesel and treated with 15 % (wt) filter cake and NPK fertilizer, T5) and four evaluation periods (1, 60, 120, and 180 days after the beginning of the experiment) were used according to a 4 × 5 factorial design to analyze CO release. The variables total organic carbon (TOC) and total petroleum hydrocarbons (TPH) remaining in the soil were analyzed using a 5 × 2 factorial design, with the same treatments described above and two evaluation periods (1 and 180 days after the beginning of the experiment). In T3 and T5, CO release was significantly higher, compared with the other treatments. Significant TPH removal was observed on day 180, when percent removal values were 61.9, 70.1, 68.2, and 75.9 in treatments T2, T3, T4, and T5, respectively, compared with the initial value (T1).
- Subjects
BIOREMEDIATION; SOIL remediation; SOIL pollution; NITROGEN; PHOSPHORUS; POTASSIUM; FERTILIZERS
- Publication
Environmental Science & Pollution Research, 2016, Vol 23, Issue 18, p18027
- ISSN
0944-1344
- Publication type
Article
- DOI
10.1007/s11356-016-6965-x