Abstract
Quality of pellets produced from agricultural wood residues specific to the Prut river basin This paper presents an overview of the prospects for the use of agricultural wood residues, specific to the climatic zone adjacent to the Prut River and the qualitative characteristics of densified solid biofuels in the form of pellets produced from the main types of the agricultural wood biomass, taken from agricultural plantations in the Republic of Moldova and Botosani, Iasi, Vaslui and Galați counties in Romania. The aim of the paper is to establish the energy potential of the main indigenous agricultural wood residues and to analyze the quality of the pellets produced from these residues. The research results showed that the pellets produced from the studied agricultural residues mainly meet ENPlus 3 requirements for most qualitative parameters, except for those produced from blackberry and currant residues. Residues from the prunning of some types of fruit shrubs can be used to produce pellets by creating mixtures of different proportions, and their qualitative characteristics can be significantly improved by thermo-chemical pre-treatment of the raw material. Keywords: plant biomass, densified solid biofuels, pellets, biofuel, energy potential, agricultural wood residues.
Highlights
Several researchers have shown that the mechanismAgricultural wood residues collected on both banks of forming cohesion bonds when densifying pellets of the Prut River served as the object of research
The research results showed that the pellets produced from the studied agricultural residues mainly meet ENPlus 3 requirements for most qualitative parameters, except for those produced from blackberry and currant residues
For the areas metioned above, the main sources suitable to be used as raw material for the production of densified solid biofuels (DSBF) are agricultural wood residues, in particular those of apple, plum, cherry, sweet cherry and pear trees, walnut bushes, as well as vines [4; 5]
Summary
Agricultural wood residues collected on both banks of forming cohesion bonds when densifying pellets of the Prut River served as the object of research. Of the pelletizing pressure depending on the sample The theoretical potential is the maximum amount plasticity, the Poisson ratio, the friction coefficient and of energy that can be obtained from the residues the compression ratio [31], though the values generated from one hectare with the condition it is fully calculated according to these recommendations are used for energy purposes. It is determined by means of approximate and need to be specified for certain the following relationship: conditions [17].
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