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Temperature rise and weight loss characteristics of wheat straw under microwave heating

Authors
Journal
Journal of Analytical and Applied Pyrolysis
0165-2370
Publisher
Elsevier
Volume
107
Identifiers
DOI: 10.1016/j.jaap.2014.02.003
Keywords
  • Microwave Pyrolysis
  • Temperature Rise
  • Weight Loss
  • Heat And Mass Transfer

Abstract

Abstract The temperature rise and weight loss characteristics of wheat straw and their mixture under microwave irradiation have been investigated in the laboratory with a fixed bed microwave reactor. The influences of both the microwave power and the additives on the temperature rise and weight loss characteristics of wheat straw are the focuses of this work, which aims to explore a new theoretical foundation for advanced pyrolysis methods. The temperature rise curves show that pure wheat straw had a weak capability to absorb microwave energy, while the mixture of wheat straw and pyrolytic residue had a very strong absorption capability. The ability to absorb microwave energy of the mixture increased with increasing amount of pyrolytic residue. These results are in good agreement with the results of the weight loss curves. Thus, it is feasible to pyrolyze wheat straw in microwave fields by addition of small amounts of pyrolytic residue.

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