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Mineralogical characterization of tobacco stalk ash.

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Title: Mineralogical characterization of tobacco stalk ash.
Authors: Buragohain, Ananya1 (AUTHOR) buragohainananya94@gmail.com, Vartic, Victoria2 (AUTHOR) victoria.vartic@gmail.com, Lalmuanpuii, Rebecca1,3 (AUTHOR) becky.hmar@gsc.edu.in, Khawlhring, Lalrammawia1 (AUTHOR) myliwast@gmail.com, Mamatkulov, Kahramon2 (AUTHOR) kahramon@jinr.ru, Arzymanyan, Grigory2 (AUTHOR) arzuman@jinr.ru, Yushin, Nikita2 (AUTHOR) ynik_62@mail.ru, Nekhoroshkov, Pavel2 (AUTHOR) p.nekhoroshkov@gmail.com, Zinicovscaia, Inga2 (AUTHOR) zinikovskaia@mail.ru, Muthukumaran, Rajendra Bose1 (AUTHOR) mzut071@mzu.edu.in
Source: Environmental Science & Pollution Research. Jun2026, Vol. 33 Issue 21, p10777-10794. 18p.
Subject Terms: *Ash (Combustion product), *Soil pollution, *Wood ash, *Mineralogical chemistry, *Hazardous substances, *Pollution, *Calcium carbonate, *Combustion
Abstract: The biomass ash generated from the smoldering combustion of tobacco stalk (stem, petiole, and midrib), during the production of "tuibur," a "smokeless" tobacco product of Northeast India (NEI), is dispersed in soil. The tobacco stalk ash (TSA) was examined. Despite a common mineralogy, owing to smoldering combustion, TSA has exhibited different microstructures and chemical compositions. Widespread deposition of fine to ultrafine aggregates of ash over the inorganic mineral crystallites was observed. At the end of smoldering combustion, none of the volatile gases were released during the crystallization as manifested by smooth-faced nanoscale inorganic mineral crystallites. The presence of calcite, potassium chloride, potassium aluminum silicate, magnesian calcite, and calcium silicate hydrate as sub-micron scale crystallites in TSA is consistent with the high calcium content and lower silicon content of tobacco stem/midrib. The poorly resolved signals with broadened diffraction peaks and the lower peak intensities reflect the nanoscale attributes and poorly crystallized silicate mineral phases of TSA. Two polymorphs of calcium carbonate, i.e., calcite and aragonite, were observed. The concentrations of potential hazardous elements (PHEs) including Cd (400 ± 10 μg/kg), Cr (10.1 ± 0.05 mg/kg), Pb (2.3 ± 0.12 mg/kg), and Ni (16.8 ± 0.80 mg/kg) in the bulk of ash were determined. Thus, the disposal of TSA can cause the contamination of PHEs and toxic organic pollutants on the soil and in groundwater, posing negative environmental risks. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
FullText Text:
  Availability: 0
Header DbId: enr
DbLabel: Energy & Power Source
An: 195342015
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Mineralogical characterization of tobacco stalk ash.
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  Data: <searchLink fieldCode="AR" term="%22Buragohain%2C+Ananya%22">Buragohain, Ananya</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> buragohainananya94@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Vartic%2C+Victoria%22">Vartic, Victoria</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> victoria.vartic@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Lalmuanpuii%2C+Rebecca%22">Lalmuanpuii, Rebecca</searchLink><relatesTo>1,3</relatesTo> (AUTHOR)<i> becky.hmar@gsc.edu.in</i><br /><searchLink fieldCode="AR" term="%22Khawlhring%2C+Lalrammawia%22">Khawlhring, Lalrammawia</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> myliwast@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Mamatkulov%2C+Kahramon%22">Mamatkulov, Kahramon</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> kahramon@jinr.ru</i><br /><searchLink fieldCode="AR" term="%22Arzymanyan%2C+Grigory%22">Arzymanyan, Grigory</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> arzuman@jinr.ru</i><br /><searchLink fieldCode="AR" term="%22Yushin%2C+Nikita%22">Yushin, Nikita</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> ynik_62@mail.ru</i><br /><searchLink fieldCode="AR" term="%22Nekhoroshkov%2C+Pavel%22">Nekhoroshkov, Pavel</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> p.nekhoroshkov@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Zinicovscaia%2C+Inga%22">Zinicovscaia, Inga</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> zinikovskaia@mail.ru</i><br /><searchLink fieldCode="AR" term="%22Muthukumaran%2C+Rajendra+Bose%22">Muthukumaran, Rajendra Bose</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mzut071@mzu.edu.in</i>
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  Data: <searchLink fieldCode="JN" term="%22Environmental+Science+%26+Pollution+Research%22">Environmental Science & Pollution Research</searchLink>. Jun2026, Vol. 33 Issue 21, p10777-10794. 18p.
– Name: Subject
  Label: Subject Terms
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  Data: *<searchLink fieldCode="DE" term="%22Ash+%28Combustion+product%29%22">Ash (Combustion product)</searchLink><br />*<searchLink fieldCode="DE" term="%22Soil+pollution%22">Soil pollution</searchLink><br />*<searchLink fieldCode="DE" term="%22Wood+ash%22">Wood ash</searchLink><br />*<searchLink fieldCode="DE" term="%22Mineralogical+chemistry%22">Mineralogical chemistry</searchLink><br />*<searchLink fieldCode="DE" term="%22Hazardous+substances%22">Hazardous substances</searchLink><br />*<searchLink fieldCode="DE" term="%22Pollution%22">Pollution</searchLink><br />*<searchLink fieldCode="DE" term="%22Calcium+carbonate%22">Calcium carbonate</searchLink><br />*<searchLink fieldCode="DE" term="%22Combustion%22">Combustion</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The biomass ash generated from the smoldering combustion of tobacco stalk (stem, petiole, and midrib), during the production of "tuibur," a "smokeless" tobacco product of Northeast India (NEI), is dispersed in soil. The tobacco stalk ash (TSA) was examined. Despite a common mineralogy, owing to smoldering combustion, TSA has exhibited different microstructures and chemical compositions. Widespread deposition of fine to ultrafine aggregates of ash over the inorganic mineral crystallites was observed. At the end of smoldering combustion, none of the volatile gases were released during the crystallization as manifested by smooth-faced nanoscale inorganic mineral crystallites. The presence of calcite, potassium chloride, potassium aluminum silicate, magnesian calcite, and calcium silicate hydrate as sub-micron scale crystallites in TSA is consistent with the high calcium content and lower silicon content of tobacco stem/midrib. The poorly resolved signals with broadened diffraction peaks and the lower peak intensities reflect the nanoscale attributes and poorly crystallized silicate mineral phases of TSA. Two polymorphs of calcium carbonate, i.e., calcite and aragonite, were observed. The concentrations of potential hazardous elements (PHEs) including Cd (400 ± 10 μg/kg), Cr (10.1 ± 0.05 mg/kg), Pb (2.3 ± 0.12 mg/kg), and Ni (16.8 ± 0.80 mg/kg) in the bulk of ash were determined. Thus, the disposal of TSA can cause the contamination of PHEs and toxic organic pollutants on the soil and in groundwater, posing negative environmental risks. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=195342015
RecordInfo BibRecord:
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    Identifiers:
      – Type: doi
        Value: 10.1007/s11356-026-38008-z
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 18
        StartPage: 10777
    Subjects:
      – SubjectFull: Ash (Combustion product)
        Type: general
      – SubjectFull: Soil pollution
        Type: general
      – SubjectFull: Wood ash
        Type: general
      – SubjectFull: Mineralogical chemistry
        Type: general
      – SubjectFull: Hazardous substances
        Type: general
      – SubjectFull: Pollution
        Type: general
      – SubjectFull: Calcium carbonate
        Type: general
      – SubjectFull: Combustion
        Type: general
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      – TitleFull: Mineralogical characterization of tobacco stalk ash.
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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