Kinetics of the degradation of humic acids

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Abstract

Processes of thermal decarboxylation and dehydration of humic acids are represented by a sum of independent first-order reactions, which are characterized by certain kinetic parameters. The authors estimated the effect of preheating of peat on the change in the total contribution of identified reactions in the temperature ranges 100-250, 250-450 and 450-800°C. A probable chemical structure of reactions sites is proposed.

Original languageEnglish
Pages (from-to)30-41
Number of pages12
JournalSolid Fuel Chemistry
Volume37
Issue number6
Publication statusPublished - 2003

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ASJC Scopus subject areas

  • Fuel Technology

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