2. Methods
2.1. Materials
Wood sawdust and corn stover were used in the fMAP experiments. The wood sawdust was a residue from pine wood pelleting process, obtained from Spearfish Pellet Company LLC, and located in Spearfish, South Dakota. The corn stover was obtained from corn crop residue from St. Paul Campus, at the University of Minnesota, Twin Cities. Both biomasses samples were milled and dried at 80 C for 24 h. The main characteristics of the wood sawdust and corn stover are listed in Table 1.