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Materials 2015, 8(4), 1413-1427; doi:10.3390/ma8041413

A Review of Pellets from Different Sources

Department of Mechanical Engineering, Energy and Materials, Industrial Engineering School, University of Extremadura, Av. Elvas s/n, 06006 Badajoz, Spain
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Author to whom correspondence should be addressed.
Academic Editor: Maryam Tabrizian
Received: 23 January 2015 / Revised: 3 March 2015 / Accepted: 20 March 2015 / Published: 27 March 2015
(This article belongs to the Section Energy Materials)
View Full-Text   |   Download PDF [397 KB, uploaded 27 March 2015]   |  

Abstract

The rise in pellet consumption has resulted in a wider variety of materials for pellet manufacture. Thus, pellet industry has started looking for alternative products, such as wastes from agricultural activities, forestry and related industries, along with the combination thereof, obtaining a broad range of these products. In addition, the entry into force of EN ISO 17225 standard makes wood pellet market (among other types) possible for industry and household purposes. Therefore, wastes that are suitable for biomass use have recently increased. In this study, the main characteristics of ten kinds of laboratory-made pellets from different raw materials were analyzed. Thus, we have focused on the most limiting factors of quality standards that determine the suitability for biomass market, depending on the kind of pellet. The results showed considerable differences among the analyzed pellets, exceeding the limits established by the standard in almost all cases, especially concerning ash content and N and S composition. The requirements of the studied standard, very demanding for certain factors, disable the entry of these densified wastes in greater added value markets. View Full-Text
Keywords: pellets; characterization; standard; biomass; waste; bulk density; durability; ultimate analysis pellets; characterization; standard; biomass; waste; bulk density; durability; ultimate analysis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Miranda, T.; Montero, I.; Sepúlveda, F.J.; Arranz, J.I.; Rojas, C.V.; Nogales, S. A Review of Pellets from Different Sources. Materials 2015, 8, 1413-1427.

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