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TG-MS as a technique for a better monitoring of the pyrolysis, gasification and combustion of two kinds of sewage sludge

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Abstract

Sewage sludge disposal is a difficult task owing to increasingly restrictive re-use policies. Its final destination will obviously depend on its nature and composition but the generation of energy is a significant option. The thermochemical conversion requires exhaustive gas emission controls. In this regard, this paper offers the results of the use of mass spectrometry together with a thermogravimetric analysis system used to study the thermal conversion processes of two kinds of sewage sludge under different atmospheres simulating pyrolysis, gasification and combustion. This TG-MS combination indicates that gasification is the best process for one kind of sludge while a co-combustion process is more suitable for the other.

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Authors and Affiliations

  1. Chemical Engineering Department, University of León, IRENA-ESTIA, Avda. Portugal 41, León, 24071, Spain

    L. F. Calvo, M. E. Sánchez, A. Morán & A. I. García

Authors
  1. L. F. Calvo
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  2. M. E. Sánchez
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  3. A. Morán
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  4. A. I. García
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Calvo, L.F., Sánchez, M.E., Morán, A. et al. TG-MS as a technique for a better monitoring of the pyrolysis, gasification and combustion of two kinds of sewage sludge. Journal of Thermal Analysis and Calorimetry 78, 587–598 (2004). https://doi.org/10.1023/B:JTAN.0000046121.14253.38

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  • DOI: https://doi.org/10.1023/B:JTAN.0000046121.14253.38

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