Abstract
The aim of this study is to determine the calorific values, chemical composition (proximate and ultimate analysis, micro and macro elements) and cell structure (composition of lignocellulose) of Miscanthus x giganteus biomass cultivated in Croatian. Research results represents the average values of biomass (n = 108) cultivated at two locations in Croatia (Bistra, Medvednica), during the three-year research period, three harvest periods (autumn, winter, spring) per year and two fertilizer treatments (N0 i N50). Determined average values of some important parameters are: low calorific value - 17.25 MJ/kg, ash content - 1.49 %, carbon content - 48.75 %, nitrogen content - 0.47 %, sulfur content - 0.07 %, cellulose content - 49.22 % and lignin content - 29.25 %. The obtained results have shown that Miscanthus x giganteus has potential to be a significant source of good quality raw material in the production of solids biofuels.
Highlights
Miscanthus is a lignocellulosic perennial grass that has received significant interest because it displays a number of characteristics that make it a good source of biomass
Based on performance of these fields, the authors Leto et al, (2016) conclude that dry matter yields of Miscanthus x giganteus grown in different agro-ecological conditions in Croatia without irrigation and in drought years can be competitive to the yields realized in the most favourable south European habitats with application of irrigation
Chemical composition and cell structure of Miscanthus x giganteus biomass cultivated in Croatia
Summary
Miscanthus is a lignocellulosic perennial grass that has received significant interest because it displays a number of characteristics that make it a good source of biomass. Chemical composition (proximate and ultimate analysis, micro and macro elements) and cell structure (composition of lignocellulose) of Miscanthus x giganteus biomass cultivated in Croatia. The results obtained from this research refer to the average values (n = 108) of biomass cultivated at two locations in Croatia (Bistra, Medvednica), during a three-year period, three harvest periods per year (autumn, winter, spring) and two fertilizer treatments (N0 and N50). Proximate and ultimate analysis, micromicro elements and lignocellulosic composition are considered to be among the essential parameters in evaluation of biomass in the direct combustion process. The main properties of raw materials as energy sources are included into investigation and the mentioned values are presented in Tables 1,2,3,4 and 5. Methods Before the analysis, all samples were dried in order to analysis of the biomass grown from different countries
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