BIOLEACHING OF SOME HEAVY METALS FROM POLLUTED SOILS

被引：16

作者：

Sur, Ioana Monica Berar ^{[1
]}

Micle, Valer ^{[1
]}

Avram, Simona ^{[1
]}

Senila, Marin ^{[2
]}

Oros, Vasile ^{[3
]}

机构：

[1] Tech Univ Cluj Napoca, Fac Mat Sci & Engn, Dept Environm Engn, Cluj Napoca 400641, Romania

[2] INCDO INOE Res Inst Analyt Instrumentat, Cluj Napoca 400293, Romania

[3] N Univ Baia Mare, Baia Mare, Romania

来源：

ENVIRONMENTAL ENGINEERING AND MANAGEMENT JOURNAL | 2012年 / 11卷 / 08期

关键词：

bioleaching; contaminated soil; heavy metals; microorganisms; THIOBACILLUS-FERROOXIDANS; SEWAGE-SLUDGE;

D O I：

10.30638/eemj.2012.173

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

In this paper are presented preliminary studies regarding the utilization of microorganisms for the decontamination of soils polluted with heavy metals. The concentration of heavy metals was determined by inductive coupled plasma atomic emission spectroscopy (ICP-AES). It has been confirmed that the studied area is polluted with Zn, Pb, Cr, Fe, Cu, Cd, Mn, the concentrations exceeding in most cases the alert threshold and the intervention threshold. The experiments led to the conclusion that this area needs reclaiming which can be done by bioleaching. This is a biologic treatment method, which uses microorganisms to encourage the solubility and the extraction of heavy metals from polluted soils.

引用

页码：1389 / 1393

页数：5

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