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Digesting The Organic Fraction Of Municipal Solid Waste: Moving From Mesophilic (37°C) To Thermophilic (55°C) Conditions

Authors
Journal
Waste Management & Research
0734-242X
Publisher
SAGE Publications
Publication Date
Volume
11
Issue
5
Identifiers
DOI: 10.1006/wmre.1993.1042
Keywords
  • Anaerobic Digestion
  • Thermophilic
  • Mesophilic
  • Solid Waste
  • Organic Fraction Of Msw

Abstract

Abstract This paper shows the possibility of moving in a matter of weeks from mesophilic (37°C) to thermophilic (55°C) conditions in the anaerobic digestion of the organic fraction of municipal solid waste (MSW) at high levels of solids (20%). After the temperature increases, a first pseudo steady-state condition can be reached after a month and a final steady-state condition after 2 months. No particular evidence of digester instability was observed using this approach in changing temperature range. The higher yields obtained in the latter condition (110% larger in terms of specific production) are shown.

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