期刊
BIOSYSTEMS ENGINEERING
卷 149, 期 -, 页码 1-10出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.biosystemseng.2016.06.002
关键词
Biomass; Dielectric Properties; Moisture Content; Pine Pellets; Peanut-Hull Pellets; Hardwood pellets
资金
- National Institute for Food and Agriculture, Agriculture Systems and Technology: Engineering Products and Processes [2013-01367, 2013-67021-21125]
The production of pelleted biomass represents a significant emerging industry in the United States. Solid biomass can be formed from the waste products of different natural and manufactured products. In this study, the effects of temperature and pellet material type on the dielectric properties were investigated. The resulting information was used to develop temperature- and material-independent moisture prediction equations. Dielectric properties of peanut-hull, pine, and hardwood pellets were measured at microwave frequencies for temperatures between 10 degrees C and 50 degrees C and at moisture contents between 4.9% and 16.0%. Further work was performed in investigating the dielectric properties of pine, peanut-hull, and hardwood pellets to determine whether a unified calibration for moisture content might be developed. Results showed that a temperature-compensated calibration for moisture content could be developed for different pellet types with standard errors of calibration between 0.50% and 1.04%. In addition, a unified calibration for pine, peanut-hull and hardwood pellets at 20 degrees C was developed that provides moisture content for the materials with a standard error of calibration between 0.48% and 0.56%. (C) 2016 IAgrE. Published by Elsevier Ltd. All rights reserved.
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