Heterotrophic Bacterial Leaching of Zinc and Arsenic from Artificial Adamite

Marek Kolenčík; Hana Vojtková; Martin Urík; Mária Čaplovičová; Jaromír Pištora; Michael Cada; Aneta Babičová; Huan Feng; Yu Qian; Illa Ramakanth

doi:10.1007/s11270-017-3400-y

Heterotrophic Bacterial Leaching of Zinc and Arsenic from Artificial Adamite

Marek Kolenčík, Hana Vojtková, Martin Urík, Mária Čaplovičová, Jaromír Pištora, Michael Cada, Aneta Babičová, Huan Feng, Yu Qian, Illa Ramakanth

Earth and Environmental Studies

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

16 Scopus citations

Abstract

Artificial adamite [Zn₂(AsO₄)(OH)] is a convenient structural model because it is isostructural with other rock-forming minerals in secondary ore deposits formed in cementation zones. Microbial activity in these zones accelerates mineral biogeochemical deterioration and metal release, and our results confirmed that Pseudomonas, Rhodococcus and Cupriavidus strains accelerate adamite leaching by 10 to 465 times compared to controls. Here, the Pseudomonas chlororaphis ZK-1 bacterial strain in a static 42-day cultivation proved more effective than Rhodococcus and Cupriavidus by leaching over 90% arsenic and 10% zinc from adamite in one-step in vitro. We evaluated adamite with the VESTA visualization system for electronic and structural analysis, and our results enhance understanding of zinc and arsenic biogeochemical cycles and mobilization, and highlight bacteria’s beneficial natural and biotechnological application in environmental geochemistry and biohydrometallurgy.

Original language	English
Article number	224
Journal	Water, Air, and Soil Pollution
Volume	228
Issue number	6
DOIs	https://doi.org/10.1007/s11270-017-3400-y
State	Published - Jun 2017

Keywords

Adamite
Arsenic
Bacterial leaching
Biodeterioration
Pseudomonas chlororaphis
Zinc

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10.1007/s11270-017-3400-y

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title = "Heterotrophic Bacterial Leaching of Zinc and Arsenic from Artificial Adamite",

abstract = "Artificial adamite [Zn2(AsO4)(OH)] is a convenient structural model because it is isostructural with other rock-forming minerals in secondary ore deposits formed in cementation zones. Microbial activity in these zones accelerates mineral biogeochemical deterioration and metal release, and our results confirmed that Pseudomonas, Rhodococcus and Cupriavidus strains accelerate adamite leaching by 10 to 465 times compared to controls. Here, the Pseudomonas chlororaphis ZK-1 bacterial strain in a static 42-day cultivation proved more effective than Rhodococcus and Cupriavidus by leaching over 90% arsenic and 10% zinc from adamite in one-step in vitro. We evaluated adamite with the VESTA visualization system for electronic and structural analysis, and our results enhance understanding of zinc and arsenic biogeochemical cycles and mobilization, and highlight bacteria{\textquoteright}s beneficial natural and biotechnological application in environmental geochemistry and biohydrometallurgy.",

keywords = "Adamite, Arsenic, Bacterial leaching, Biodeterioration, Pseudomonas chlororaphis, Zinc",

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year = "2017",

month = jun,

doi = "10.1007/s11270-017-3400-y",

language = "English",

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T1 - Heterotrophic Bacterial Leaching of Zinc and Arsenic from Artificial Adamite

AU - Kolenčík, Marek

AU - Vojtková, Hana

AU - Urík, Martin

AU - Čaplovičová, Mária

AU - Pištora, Jaromír

AU - Cada, Michael

AU - Babičová, Aneta

AU - Feng, Huan

AU - Qian, Yu

AU - Ramakanth, Illa

PY - 2017/6

Y1 - 2017/6

N2 - Artificial adamite [Zn2(AsO4)(OH)] is a convenient structural model because it is isostructural with other rock-forming minerals in secondary ore deposits formed in cementation zones. Microbial activity in these zones accelerates mineral biogeochemical deterioration and metal release, and our results confirmed that Pseudomonas, Rhodococcus and Cupriavidus strains accelerate adamite leaching by 10 to 465 times compared to controls. Here, the Pseudomonas chlororaphis ZK-1 bacterial strain in a static 42-day cultivation proved more effective than Rhodococcus and Cupriavidus by leaching over 90% arsenic and 10% zinc from adamite in one-step in vitro. We evaluated adamite with the VESTA visualization system for electronic and structural analysis, and our results enhance understanding of zinc and arsenic biogeochemical cycles and mobilization, and highlight bacteria’s beneficial natural and biotechnological application in environmental geochemistry and biohydrometallurgy.

AB - Artificial adamite [Zn2(AsO4)(OH)] is a convenient structural model because it is isostructural with other rock-forming minerals in secondary ore deposits formed in cementation zones. Microbial activity in these zones accelerates mineral biogeochemical deterioration and metal release, and our results confirmed that Pseudomonas, Rhodococcus and Cupriavidus strains accelerate adamite leaching by 10 to 465 times compared to controls. Here, the Pseudomonas chlororaphis ZK-1 bacterial strain in a static 42-day cultivation proved more effective than Rhodococcus and Cupriavidus by leaching over 90% arsenic and 10% zinc from adamite in one-step in vitro. We evaluated adamite with the VESTA visualization system for electronic and structural analysis, and our results enhance understanding of zinc and arsenic biogeochemical cycles and mobilization, and highlight bacteria’s beneficial natural and biotechnological application in environmental geochemistry and biohydrometallurgy.

KW - Adamite

KW - Arsenic

KW - Bacterial leaching

KW - Biodeterioration

KW - Pseudomonas chlororaphis

KW - Zinc

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DO - 10.1007/s11270-017-3400-y

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JO - Water, Air, and Soil Pollution

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ER -

Heterotrophic Bacterial Leaching of Zinc and Arsenic from Artificial Adamite

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