Mechanical durability of briquettes made of energy crops and wood residues
2014
Ivanova, T., Czech Univ. of Life Sciences, Prague (Czech Republic) | Kolarikova, M., Czech Univ. of Life Sciences, Prague (Czech Republic) | Havrland, L., Czech Univ. of Life Sciences, Prague (Czech Republic) | Passian, L., Czech Univ. of Life Sciences, Prague (Czech Republic)
Briquettes from biomass seem to be promising, rapidly growing and high quality source of biofuel and challenge to fossil fuels. Briquettes’ mechanical quality, first of all mechanical durability, is very important parameter from the viewpoint of transportation and the other manipulations, it describe the visual appearance of briquettes, which has impact on their market price. The present research paper is focused on determination and comparison of mechanical durability of briquettes produced from selected energy crops. Biomass of high yielding annual and perennial crops such as miscanthus, giant reed, giant knotweed, sweet sorghum and industrial hemp, which may be perspective source of renewable energy in appropriate areas, was briquetted in the pure state or as mixture with wood biomass. Totally twenty tree kinds of briquettes was produced by hydraulic piston press and its mechanical durability was then determined according to European standards for solid biofuels. Addition of wood residues in the form of wood savings and wood sawdust increased the durability in most of the materials.
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