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During the biomass densification can be recognized various technological variables and also material parameters which significantly influences the final solid biofuels quality. The paper deals with the experimental research of the relationship between technological variables and material parameters during densification of acacia wood sawdust. The main goal of presented experimental research is to determine the relationship between compression pressure, pressing temperature and raw material moisture content and par...

Fused Deposition Modeling (FDM) is one of the most used technology in the 3D printing field. There is many kind of 3D printers with different design and parameters, such work temperature, deposition speed and others. All of these parameters affect the final parts. Produced parts are made from different materials and therefore there are also different mechanical properties. So it depend what for the produced parts are designed, if there are just for design introducing or even for real use as conventional produced p...

Processing the waste paper produces huge amounts of waste - papermaking sludge. This kind of waste includes around 50 % of inorganic material and high proportion of water. Its current economic recovery is very limited, which affects the overall efficiency of recycling paper. However, the elementary and chemical composition has a high potential for wider and more economically efficient use in various industrial fields. The object of this paper is research of composition and physical properties of such sludge from o...