Abstract：
:The thermogravimetric (TG) experiments of cattle manure were carried out from room temperature to 900°C at five different heating rates (10, 20, 30, 40 and 50°C/min) and the kinetics of the main decomposition process were analyzed with different methods. TG curves indicate that the major decomposition process of cattle manure could be roughly divided into three stages. The average activation energy of each stage calculated by Coats-Redfern method are 68.95, 2.63 and 55.32kJ/mol respectively. The kinetic parameters given by Distributed Activation Energy Model method, Flynn-Wall-Ozawa method and Vyazovkin method are all show that the activation energies keep stable (at around 122.4, 126 and 123.8kJ/mol respectively) under 60% conversion degree and then changed dramatically (ranging from 129.9 to 454.9kJ/mol). Power law (P3) was determined as an appropriate reaction mechanism using master-plots method. The kinetic parameters calculated by Vyazovkin method can give the best agreement with the experimental results.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Chen G,He S,Cheng Z,Guan Y,Yan B,Ma W,Leung DYCdoi
10.1016/j.biortech.2017.06.007subject
Has Abstractpub_date
2017-11-01 00:00:00pages
69-77eissn
0960-8524issn
1873-2976pii
S0960-8524(17)30894-5journal_volume
243pub_type
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