Evaluation of selected properties of briquettes from recovered paper and board

https://doi.org/10.17221/61/2013-RAECitation:Brožek M. (2015): Evaluation of selected properties of briquettes from recovered paper and board. Res. Agr. Eng., 61: 66-71.
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Worldwide increasing energy demand is today permanently covered by a majority of non-renewable energy sources, namely by coal, crude oil and natural gas. This causes the rapid decline of their reserves and the time gets near when they will be run out. Therefore in the last years the exploitation of renewable energy sources has been permanently preferred. One of alternative fuel forms is fuel on the basis of paper waste. In this paper the results of tests are published, which were carried out using six sorts of recovered paper and board (group and grade 1.05, 1.06, 2.02, 2.05, 2.07 and 2.08 according to CSN EN 643:2002), pressed into the form of briquettes. During the tests following briquettes parameters were watched: moisture content, ash amount, gross calorific value, length and diameter, weight, density, rupture force and mechanical durability. It was proved that briquettes made from recovered paper and board compared with briquettes from wood waste are of high density, high mechanical durability and for their rupture, relatively high force is necessary. But at the same time they have high ash amount and low gross calorific value.
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