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The presented paper covers the research of combustion products of selected natural and synthetic polymers and their key properties in terms of toxic effects on living organisms and the visibility in the area affected by fire. The samples of silver birch (Betula verrucosa Ehrh.), common oak (Quercus robur L.), Norway spruce (Picea abies (L.) Karst.), polyethylene and polypropylene were investigated. The examined materials were compared in the regard to their toxicity of the combustion products based on the carbon m...

The aim of this paper is to thermo-analytically study the process of heat generation during flame and flameless combustion of lignocellulos pellets dust made from various types of raw materials. The heat release rate of the test samples was measured by a cone calorimeter. Different heat fluxes (30, 35, 40, 45 and 50 kW.m-2) were used to determine the behaviour of three different types of lignocellulose pellets dust under a thermal load. The mass loss and the time to ignition was continuously monitored during each ...

Biochar is a porous, carbon-rich material produced by heating of organic matter to temperatures between 300 °C and 1000 °C in an environment with limited or no oxygen. During the past decade, numerous articles focusing on the use of biochar have been published, but have shown inconsistent results. Reactions in the soil after the addition of biochar depend on the characteristics of biochar, soil, climate and soil-inhabiting organisms. However, due to high variability in the quality of biochar, its effects on soils ...