Bioleaching for the Removal of Arsenic from Mine Tailings by Psychrotolerant and<i> </i>Mesophilic<i> </i>Microbes<i> </i>at Markedly Continental Climate Temperatures
This study investigated the biological removal of heavy metals from mine tailings in Kazakhstan using acidophilic microorganism strains <i>Acidithiobacillus</i><i> </i><i>ferrivorans</i><i> </i>535 and <i>Acidithiobacillus</i><i> <...
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doaj-f3b30f1694d24e9892f8edd63c9fd79d2020-11-25T04:02:09ZengMDPI AGMinerals2075-163X2020-10-011097297210.3390/min10110972Bioleaching for the Removal of Arsenic from Mine Tailings by Psychrotolerant and<i> </i>Mesophilic<i> </i>Microbes<i> </i>at Markedly Continental Climate TemperaturesKuanysh N. Seitkamal0Nariman K. Zhappar1Valentin M. Shaikhutdinov2Aigerim K. Shibaуeva3Sadia Ilyas4Ilya V. Korolkov5Hyunjung Kim6LLP “Scientific-analytical center “Biomedpreparat”, Stepnogorsk, 3 microdistrict-9, Stepnogorsk, Akmola Region 021500, KazakhstanLLP “Scientific-analytical center “Biomedpreparat”, Stepnogorsk, 3 microdistrict-9, Stepnogorsk, Akmola Region 021500, KazakhstanLLP “Scientific-analytical center “Biomedpreparat”, Stepnogorsk, 3 microdistrict-9, Stepnogorsk, Akmola Region 021500, KazakhstanLLP “Scientific-analytical center “Biomedpreparat”, Stepnogorsk, 3 microdistrict-9, Stepnogorsk, Akmola Region 021500, KazakhstanDepartment of Mineral Resources and Energy Engineering, Jeonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju, Jeonbuk 54896, KoreaL.N. Gumilyov Eurasian National University, Satpaev str. 5, Nur-Sultan 010008, KazakhstanDepartment of Mineral Resources and Energy Engineering, Jeonbuk National University, 567, Baekje-daero, Deokjin-gu, Jeonju, Jeonbuk 54896, KoreaThis study investigated the biological removal of heavy metals from mine tailings in Kazakhstan using acidophilic microorganism strains <i>Acidithiobacillus</i><i> </i><i>ferrivorans</i><i> </i>535 and <i>Acidithiobacillus</i><i> </i><i>ferrooxida</i><i>ns</i> 377. The experiments were conducted in shake flasks at pH 1.6, various temperatures (28 °C, 18 °C, and 8 °C), and 10% solid concentration (w/v). The results of inductively coupled plasma optical emission spectroscopy and X-ray diffraction analyses showed that arsenic was particularly efficiently removed at 28 °C. At this temperature, <i>A. </i><i>ferrooxidans</i><i> </i>377 was more efficient at removal than the other strain. Meanwhile, <i>A.</i> f<i>errivorans</i> 535 was more efficient than <i>A. </i><i>ferrooxidans</i> 377 at 8 °C. One of the more significant findings to emerge from this study is that arsenic can be removed at a low temperature and high solid concentration. The results of this study support the idea that microorganisms can be used for removing arsenic via a combination of biooxidation and chemical methods.https://www.mdpi.com/2075-163X/10/11/972Acidithiobacillus ferrivoransAcidithiobacillus ferrooxidansarsenic removalbioleachingmine tailings |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Kuanysh N. Seitkamal Nariman K. Zhappar Valentin M. Shaikhutdinov Aigerim K. Shibaуeva Sadia Ilyas Ilya V. Korolkov Hyunjung Kim |
spellingShingle |
Kuanysh N. Seitkamal Nariman K. Zhappar Valentin M. Shaikhutdinov Aigerim K. Shibaуeva Sadia Ilyas Ilya V. Korolkov Hyunjung Kim Bioleaching for the Removal of Arsenic from Mine Tailings by Psychrotolerant and<i> </i>Mesophilic<i> </i>Microbes<i> </i>at Markedly Continental Climate Temperatures Minerals Acidithiobacillus ferrivorans Acidithiobacillus ferrooxidans arsenic removal bioleaching mine tailings |
author_facet |
Kuanysh N. Seitkamal Nariman K. Zhappar Valentin M. Shaikhutdinov Aigerim K. Shibaуeva Sadia Ilyas Ilya V. Korolkov Hyunjung Kim |
author_sort |
Kuanysh N. Seitkamal |
title |
Bioleaching for the Removal of Arsenic from Mine Tailings by Psychrotolerant and<i> </i>Mesophilic<i> </i>Microbes<i> </i>at Markedly Continental Climate Temperatures |
title_short |
Bioleaching for the Removal of Arsenic from Mine Tailings by Psychrotolerant and<i> </i>Mesophilic<i> </i>Microbes<i> </i>at Markedly Continental Climate Temperatures |
title_full |
Bioleaching for the Removal of Arsenic from Mine Tailings by Psychrotolerant and<i> </i>Mesophilic<i> </i>Microbes<i> </i>at Markedly Continental Climate Temperatures |
title_fullStr |
Bioleaching for the Removal of Arsenic from Mine Tailings by Psychrotolerant and<i> </i>Mesophilic<i> </i>Microbes<i> </i>at Markedly Continental Climate Temperatures |
title_full_unstemmed |
Bioleaching for the Removal of Arsenic from Mine Tailings by Psychrotolerant and<i> </i>Mesophilic<i> </i>Microbes<i> </i>at Markedly Continental Climate Temperatures |
title_sort |
bioleaching for the removal of arsenic from mine tailings by psychrotolerant and<i> </i>mesophilic<i> </i>microbes<i> </i>at markedly continental climate temperatures |
publisher |
MDPI AG |
series |
Minerals |
issn |
2075-163X |
publishDate |
2020-10-01 |
description |
This study investigated the biological removal of heavy metals from mine tailings in Kazakhstan using acidophilic microorganism strains <i>Acidithiobacillus</i><i> </i><i>ferrivorans</i><i> </i>535 and <i>Acidithiobacillus</i><i> </i><i>ferrooxida</i><i>ns</i> 377. The experiments were conducted in shake flasks at pH 1.6, various temperatures (28 °C, 18 °C, and 8 °C), and 10% solid concentration (w/v). The results of inductively coupled plasma optical emission spectroscopy and X-ray diffraction analyses showed that arsenic was particularly efficiently removed at 28 °C. At this temperature, <i>A. </i><i>ferrooxidans</i><i> </i>377 was more efficient at removal than the other strain. Meanwhile, <i>A.</i> f<i>errivorans</i> 535 was more efficient than <i>A. </i><i>ferrooxidans</i> 377 at 8 °C. One of the more significant findings to emerge from this study is that arsenic can be removed at a low temperature and high solid concentration. The results of this study support the idea that microorganisms can be used for removing arsenic via a combination of biooxidation and chemical methods. |
topic |
Acidithiobacillus ferrivorans Acidithiobacillus ferrooxidans arsenic removal bioleaching mine tailings |
url |
https://www.mdpi.com/2075-163X/10/11/972 |
work_keys_str_mv |
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