Bioremediation of Pb-contaminated soil based on microbially induced calcite precipitation

Varenyam Achal; Xiangliang Pan; Daoyong Zhang; Qinglong Fu

doi:10.4014/jmb.1108.08033

Bioremediation of Pb-contaminated soil based on microbially induced calcite precipitation

Varenyam Achal, Xiangliang Pan^*, Daoyong Zhang, Qinglong Fu

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

110 Scopus citations

Abstract

To remediate lead (Pb)-contaminated soils, it is proposed that microbially induced calcite precipitation (MICP) would provide the best alternative to other remediation technologies. In this study, Pb bioremediation in soils was investigated using the calcite-precipitating bacterium Kocuria flava. Results indicate that the Pb is primarily associated with the carbonate fraction in bioremediated soil samples. The bioavailability of Pb in contaminated soil was reduced so that the potential stress of Pb was alleviated. This research provides insight into the geochemistry occurring in the MICP-based Pb-remediated soils, which will help in remediation decisions.

Original language	English
Pages (from-to)	244-247
Number of pages	4
Journal	Journal of Microbiology and Biotechnology
Volume	22
Issue number	2
DOIs	https://doi.org/10.4014/jmb.1108.08033
State	Published - Feb 2012
Externally published	Yes

Keywords

Bioremediation
Calcite
Dehydrogenase
Kocuria flava
Urease

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10.4014/jmb.1108.08033

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abstract = "To remediate lead (Pb)-contaminated soils, it is proposed that microbially induced calcite precipitation (MICP) would provide the best alternative to other remediation technologies. In this study, Pb bioremediation in soils was investigated using the calcite-precipitating bacterium Kocuria flava. Results indicate that the Pb is primarily associated with the carbonate fraction in bioremediated soil samples. The bioavailability of Pb in contaminated soil was reduced so that the potential stress of Pb was alleviated. This research provides insight into the geochemistry occurring in the MICP-based Pb-remediated soils, which will help in remediation decisions.",

keywords = "Bioremediation, Calcite, Dehydrogenase, Kocuria flava, Urease",

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AU - Achal, Varenyam

AU - Pan, Xiangliang

AU - Zhang, Daoyong

AU - Fu, Qinglong

PY - 2012/2

Y1 - 2012/2

N2 - To remediate lead (Pb)-contaminated soils, it is proposed that microbially induced calcite precipitation (MICP) would provide the best alternative to other remediation technologies. In this study, Pb bioremediation in soils was investigated using the calcite-precipitating bacterium Kocuria flava. Results indicate that the Pb is primarily associated with the carbonate fraction in bioremediated soil samples. The bioavailability of Pb in contaminated soil was reduced so that the potential stress of Pb was alleviated. This research provides insight into the geochemistry occurring in the MICP-based Pb-remediated soils, which will help in remediation decisions.

AB - To remediate lead (Pb)-contaminated soils, it is proposed that microbially induced calcite precipitation (MICP) would provide the best alternative to other remediation technologies. In this study, Pb bioremediation in soils was investigated using the calcite-precipitating bacterium Kocuria flava. Results indicate that the Pb is primarily associated with the carbonate fraction in bioremediated soil samples. The bioavailability of Pb in contaminated soil was reduced so that the potential stress of Pb was alleviated. This research provides insight into the geochemistry occurring in the MICP-based Pb-remediated soils, which will help in remediation decisions.

KW - Bioremediation

KW - Calcite

KW - Dehydrogenase

KW - Kocuria flava

KW - Urease

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SN - 1017-7825

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SP - 244

EP - 247

JO - Journal of Microbiology and Biotechnology

JF - Journal of Microbiology and Biotechnology

IS - 2

ER -

Bioremediation of Pb-contaminated soil based on microbially induced calcite precipitation

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Keywords

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