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Biological removal of gaseous sulfur dioxide through the reduction to hydrogen sulfide by means of Desulfovibrio desulfuricans.

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Title: Biological removal of gaseous sulfur dioxide through the reduction to hydrogen sulfide by means of Desulfovibrio desulfuricans.
Authors: Papi, S.1, Papic, Lj.1, Montalvo, S.2, Borja, R.3
Source: International Biodeterioration & Biodegradation. Jan2018, Vol. 126, p21-27. 7p.
Subjects: Microbial remediation, Sulfur dioxide mitigation, Hydrogen sulfide, Desulfovibrio desulfuricans, Sulfate-reducing bacteria, Chemical kinetics
Abstract: The biological removal of gaseous sulfur dioxide using the sulfate reducing bacteria Desulfovibrio desulfuricans is studied. Laboratory-scale bioreactors were designed to generate sulfur dioxide in them through a chemical reaction. To evaluate the biological reduction, three kinetics (in triplicate) were taken in batch mode with loads of 15, 20 and 25 mmol of SO 2 generated in the gas phase per liter of culture medium in the liquid phase. Lactate was used as substrate (electron donor) and carbon source. The experimental results showed a 100% SO 2 reduction for all the evaluated loads. The tests lasted 24, 72 and 192 h, with lower, intermediate and higher loads, respectively. The total sulfide (S 2− ) produced varied between 75 and 126 mg for the tests with lower and higher load, respectively. These amounts were composed of a fraction in the aqueous phase (287 and 533 mg of S 2− /L) and another in the gas phase (0.9 × 10 8 and 2.7 × 10 8 μg H 2 S/m 3 ). The mass ratio between product formation (sulfide) and electron donor consumption (expressed as COD) ranged from 81% to 90% of the theoretical value (0.67 mg of sulfide produced per mg of COD consumed). [ABSTRACT FROM AUTHOR]
Copyright of International Biodeterioration & Biodegradation is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 126597434
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Label: Title
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  Data: Biological removal of gaseous sulfur dioxide through the reduction to hydrogen sulfide by means of Desulfovibrio desulfuricans.
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  Data: <searchLink fieldCode="AR" term="%22Papi%2C+S%2E%22">Papi, S.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Papic%2C+Lj%2E%22">Papic, Lj.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Montalvo%2C+S%2E%22">Montalvo, S.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Borja%2C+R%2E%22">Borja, R.</searchLink><relatesTo>3</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22International+Biodeterioration+%26+Biodegradation%22">International Biodeterioration & Biodegradation</searchLink>. Jan2018, Vol. 126, p21-27. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Microbial+remediation%22">Microbial remediation</searchLink><br /><searchLink fieldCode="DE" term="%22Sulfur+dioxide+mitigation%22">Sulfur dioxide mitigation</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrogen+sulfide%22">Hydrogen sulfide</searchLink><br /><searchLink fieldCode="DE" term="%22Desulfovibrio+desulfuricans%22">Desulfovibrio desulfuricans</searchLink><br /><searchLink fieldCode="DE" term="%22Sulfate-reducing+bacteria%22">Sulfate-reducing bacteria</searchLink><br /><searchLink fieldCode="DE" term="%22Chemical+kinetics%22">Chemical kinetics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The biological removal of gaseous sulfur dioxide using the sulfate reducing bacteria Desulfovibrio desulfuricans is studied. Laboratory-scale bioreactors were designed to generate sulfur dioxide in them through a chemical reaction. To evaluate the biological reduction, three kinetics (in triplicate) were taken in batch mode with loads of 15, 20 and 25 mmol of SO 2 generated in the gas phase per liter of culture medium in the liquid phase. Lactate was used as substrate (electron donor) and carbon source. The experimental results showed a 100% SO 2 reduction for all the evaluated loads. The tests lasted 24, 72 and 192 h, with lower, intermediate and higher loads, respectively. The total sulfide (S 2− ) produced varied between 75 and 126 mg for the tests with lower and higher load, respectively. These amounts were composed of a fraction in the aqueous phase (287 and 533 mg of S 2− /L) and another in the gas phase (0.9 × 10 8 and 2.7 × 10 8 μg H 2 S/m 3 ). The mass ratio between product formation (sulfide) and electron donor consumption (expressed as COD) ranged from 81% to 90% of the theoretical value (0.67 mg of sulfide produced per mg of COD consumed). [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of International Biodeterioration & Biodegradation is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1016/j.ibiod.2017.09.023
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        Text: English
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        Type: general
      – SubjectFull: Sulfur dioxide mitigation
        Type: general
      – SubjectFull: Hydrogen sulfide
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      – SubjectFull: Desulfovibrio desulfuricans
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      – SubjectFull: Sulfate-reducing bacteria
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      – SubjectFull: Chemical kinetics
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      – TitleFull: Biological removal of gaseous sulfur dioxide through the reduction to hydrogen sulfide by means of Desulfovibrio desulfuricans.
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            – D: 01
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              Text: Jan2018
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              Y: 2018
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              Value: 126
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