doiSerbia

Exergy characteristics of rice husks

Zhang Yaning (School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China + University of Minnesota, Department of Bioproducts and Biosystems Engineering, St. Paul, USA)
Gao Xiaoyan (School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China)
Bingxi Li (School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China)
Zhang Haochun (School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China)
Wang Qian (School of Energy Science and Engineering, Harbin Institute of Technology, Harbin, China)

The comprehensive exergy characteristics of thirty two rice husk samples including exergy values (moisture related, S related, ash related, and LHV related) and exergy percentages (moisture related, S related, ash related, and LHV related) were investigated in this study. The results show that the moisture related exergy, S related exergy, ash related exergy, and LHV related exergy are in the ranges of 0-327.93, 0-67.78, 17.88-131.97, and 10577.05-19297.54 KJ/kg, respectively, for the rice husks. The exergy values of rice husks are in the range of 10918.01-19445.76 KJ/kg, and they are mainly determined by the LHV related exergy (96.81-99.70%), followed by moisture related exergy (0-2.66%), ash related exergy (0.11-0.78%), and S related exergy (0-0.43%).

Keywords: exergy characteristics, rice husk, distribution, percentag