Changes in nutrient profile of soil subjected to bioleaching for removal of heavy metals using Acidithiobacillus thiooxidans

Journal of Hazardous Materials
R NareshKumar, R Nagendran

Abstract

Studies were carried out to assess changes in nitrogen, phosphorus and potassium contents in soil during bioleaching of heavy metals from soil contaminated by tannery effluents. Indigenous sulfur oxidizing bacteria Acidithiobacillus thiooxidans isolated from the contaminated soil were used for bioremediation. Solubilization efficiency of chromium, cadmium, copper and zinc from soil was 88, 93, 92 and 97%, respectively. However, loss of nitrogen, phosphorus and potassium from the soil was 30, 70 and 68%, respectively. These findings indicate that despite its high potential for removal of heavy metals from contaminated soils, bioleaching results in undesirable dissolution/loss of essential plant nutrients. This aspect warrants urgent attention and detailed studies to evaluate the appropriateness of the technique for field application.

References

Jul 20, 2001·Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering·A T LombardiA A Mozeto
Jul 21, 2001·Journal of Hazardous Materials·C N MulliganB F Gibbs
May 18, 2004·Journal of the Air & Waste Management Association·Kyung-Suk ChoHyung-Min Choi

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Citations

Sep 30, 2014·Journal of Environmental Management·Eunseong LeeHyunjung Kim
Nov 6, 2010·Bioresource Technology·Baoping XinChangbo Zhou
Mar 24, 2010·Journal of Hazardous Materials·Shen-Yi Chen, Sheng-Hsien Pan
May 26, 2009·Journal of Hazardous Materials·R Naresh Kumar, R Nagendran
May 18, 2016·Biotechnology Advances·Jorge D García-GarcíaRafael Moreno-Sánchez
Jun 1, 2018·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Haifei LiDongsheng Zhang

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