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Experimental studies on energy recovery from plasma-treated textile sludge.

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Title: Experimental studies on energy recovery from plasma-treated textile sludge.
Authors: Mariappan, Rajendran1 (AUTHOR) rajenergypsg@gmail.com, Sivagami, S. M.2 (AUTHOR), Murugesan, Mohanraj1 (AUTHOR)
Source: Environment, Development & Sustainability. Nov2025, Vol. 27 Issue 11, p28111-28133. 23p.
Subject Terms: *Plasma materials processing, *Energy conversion, *Cost analysis, *Solid waste, *Waste recycling, *Textile waste, *Waste gases
Abstract: Textile sludge is the solid residue remaining after the effluent treatment process. The treatment and disposal of textile sludge is a major challenge. In this research, an attempt has been made to study the characteristics of plasma-treated textile sludge. A plasma-firing gun is operated inside a closed chamber for plasma treatment. Vitrified slag is obtained as a result of this plasma treatment and the gaseous output is studied under the influence of various established thermal process concepts. Since plasma treatment is a thermal transfer process, the energy consumption and its recovery are studied. Thermodynamic efficiency as per calculations is 49%. The exhaust gas contains CO, CO2, and hydrogen at high temperatures (above 100 °C) and can be utilized for thermal energy recovery. The exhaust gas can be further reformed to improve its calorific value by adding steam, CO2 and oxygen. Efficiency reaches 73% in CO2 reformation, and it is 59% and 58% for oxygen and steam reformation, respectively, based on experimental observations. A weight reduction of 55–62% and a volume reduction of 42% are observed. The quality of syngas evaluation through equivalence ratio evaluation proves that higher efficiencies are achievable through steam reformation. Textile sludge generation of Tamilnadu state of India data is considered and cost and payback period are estimated around 8 years. Cost reducing suggestions in Indian context is explained. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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Header DbId: enr
DbLabel: Energy & Power Source
An: 189634208
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Items – Name: Title
  Label: Title
  Group: Ti
  Data: Experimental studies on energy recovery from plasma-treated textile sludge.
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  Label: Authors
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  Data: <searchLink fieldCode="AR" term="%22Mariappan%2C+Rajendran%22">Mariappan, Rajendran</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> rajenergypsg@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Sivagami%2C+S%2E+M%2E%22">Sivagami, S. M.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Murugesan%2C+Mohanraj%22">Murugesan, Mohanraj</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Environment%2C+Development+%26+Sustainability%22">Environment, Development & Sustainability</searchLink>. Nov2025, Vol. 27 Issue 11, p28111-28133. 23p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: *<searchLink fieldCode="DE" term="%22Plasma+materials+processing%22">Plasma materials processing</searchLink><br />*<searchLink fieldCode="DE" term="%22Energy+conversion%22">Energy conversion</searchLink><br />*<searchLink fieldCode="DE" term="%22Cost+analysis%22">Cost analysis</searchLink><br />*<searchLink fieldCode="DE" term="%22Solid+waste%22">Solid waste</searchLink><br />*<searchLink fieldCode="DE" term="%22Waste+recycling%22">Waste recycling</searchLink><br />*<searchLink fieldCode="DE" term="%22Textile+waste%22">Textile waste</searchLink><br />*<searchLink fieldCode="DE" term="%22Waste+gases%22">Waste gases</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Textile sludge is the solid residue remaining after the effluent treatment process. The treatment and disposal of textile sludge is a major challenge. In this research, an attempt has been made to study the characteristics of plasma-treated textile sludge. A plasma-firing gun is operated inside a closed chamber for plasma treatment. Vitrified slag is obtained as a result of this plasma treatment and the gaseous output is studied under the influence of various established thermal process concepts. Since plasma treatment is a thermal transfer process, the energy consumption and its recovery are studied. Thermodynamic efficiency as per calculations is 49%. The exhaust gas contains CO, CO2, and hydrogen at high temperatures (above 100 °C) and can be utilized for thermal energy recovery. The exhaust gas can be further reformed to improve its calorific value by adding steam, CO2 and oxygen. Efficiency reaches 73% in CO2 reformation, and it is 59% and 58% for oxygen and steam reformation, respectively, based on experimental observations. A weight reduction of 55–62% and a volume reduction of 42% are observed. The quality of syngas evaluation through equivalence ratio evaluation proves that higher efficiencies are achievable through steam reformation. Textile sludge generation of Tamilnadu state of India data is considered and cost and payback period are estimated around 8 years. Cost reducing suggestions in Indian context is explained. [ABSTRACT FROM AUTHOR]
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RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1007/s10668-024-05857-y
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 23
        StartPage: 28111
    Subjects:
      – SubjectFull: Plasma materials processing
        Type: general
      – SubjectFull: Energy conversion
        Type: general
      – SubjectFull: Cost analysis
        Type: general
      – SubjectFull: Solid waste
        Type: general
      – SubjectFull: Waste recycling
        Type: general
      – SubjectFull: Textile waste
        Type: general
      – SubjectFull: Waste gases
        Type: general
    Titles:
      – TitleFull: Experimental studies on energy recovery from plasma-treated textile sludge.
        Type: main
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          Name:
            NameFull: Mariappan, Rajendran
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            NameFull: Sivagami, S. M.
      – PersonEntity:
          Name:
            NameFull: Murugesan, Mohanraj
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          Dates:
            – D: 01
              M: 11
              Text: Nov2025
              Type: published
              Y: 2025
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            – Type: issn-print
              Value: 1387585X
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              Value: 27
            – Type: issue
              Value: 11
          Titles:
            – TitleFull: Environment, Development & Sustainability
              Type: main
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