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Sustainability 2017, 9(10), 1823; doi:10.3390/su9101823

Experimental Study of the Viability of Low-Grade Biofuels in Small-Scale Appliances

1
Industrial Engineering School, University of Vigo, Campus Lagoas-Marcosende, s/n, 36310 Vigo, Spain
2
VSB-TU Ostrava, Centre ENET, Bulk Solid Centre, 17. listopadu 15, 70833 Ostrava, Czech Republic
*
Author to whom correspondence should be addressed.
Received: 5 September 2017 / Revised: 2 October 2017 / Accepted: 6 October 2017 / Published: 11 October 2017
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Abstract

This experimental work aims to study the viability of making use of agricultural and forest residues as an alternative to produce biofuels for commercial devices. It focuses on the feasibility of three non-commercial biomass fuels in an underfed biomass pilot combustor with a power range of 7–12 kWth (500–800 kW/m2). To carry out the investigation, the repeatability of the facility was studied using fuel with a high ash content. The relative deviations in the main parameters considered (combustion rate, gaseous emissions and particulate matter emissions) were below 10%. A feasibility analysis was performed by comparing the result obtained with a barley and leaf pellet with that obtained with a commercial wood pellet as a reference. The parameters used in this study were the operational parameters of the plant as well as the particle concentration and distribution, fouling and slagging. Comparing the results of the different fuels, it was determined that 25% leaf + 75% wood pellet (lp25) could be used as a commercial pellet with the incorporation of an additive. However, the two other fuels presented undesirable behavior characterized by high particle concentrations and notable amounts of slag. View Full-Text
Keywords: biomass combustion; air-staging; slagging; fouling; biofuels biomass combustion; air-staging; slagging; fouling; biofuels
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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

Regueiro, A.; Jezerská, L.; Patiño, D.; Pérez-Orozco, R.; Nečas, J.; Žídek, M. Experimental Study of the Viability of Low-Grade Biofuels in Small-Scale Appliances. Sustainability 2017, 9, 1823.

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