Pelletization of biomass waste with potato pulp content
 
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Department of Agricultural and Food Techniques, Mechanical Faculty, Białystok University of Technology, Wiejska 45C, 15-351 Białystok, Poland
 
Int. Agrophys. 2014, 28(1): 85–91
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ABSTRACT
This paper presents the results of a research on the influence of potato pulp content in a mixture with oat bran on the power demand of the pelletization process and on the quality of the produced pellets, in the context of use thereof as a heating fuel. The tests of the densification of the pulp and bran mixture were carried out on a work stand whose main element was a P-300 pellet mill with the ‘flat matrix-densification rolls’ system. 24 h after the pellets left the working system, their kinetic durability was established with the use of a Holmen tester. The research results obtained in this way allowed concluding that increasing the potato pulp content in a mixture with oat bran from 15 to 20% caused a reduction of the power demand of the pellet mill. It was also established that as the pulp content in a mixture with oat bran increases from 15 to 25%, the value of the kinetic durability of the pellets determined using Holmen and Pfost methods decreases.
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