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Forests 2017, 8(8), 296; doi:10.3390/f8080296

Air Curtain Burners: A Tool for Disposal of Forest Residues

1
Department of Forest Sciences, Seoul National University, Seoul 08826, Korea
2
Department of Forestry and Wildland Resources, Humboldt State University, Arcata, CA 95521, USA
*
Author to whom correspondence should be addressed.
Received: 17 July 2017 / Revised: 9 August 2017 / Accepted: 10 August 2017 / Published: 14 August 2017
(This article belongs to the Special Issue Forest Operations, Engineering and Management)
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Abstract

Open pile burning (OPB) forest residues have been limited due to several concerns, including atmospheric pollution, risk of fire spread, and weather conditions restrictions. Air Curtain Burner (ACB) systems could be an alternative to OPB and can avoid some of the negative effects that may result from OPB. The main objective was to compare the burning consumption rates and costs of two types of ACB machines, the S-220 and BurnBoss. In addition, we tested a hand-pile burning (HPB) consumption rate for a comparison with BurnBoss unit. The S-220’s burning consumption rates ranged between 5.7 and 6.8 green metric ton (GmT)/scheduled machine hour (SMH) at a cost between US $12.8 and US $10.8/GmT, respectively. Costs were 70% higher when using the BurnBoss unit. Burning residue consumption rates and cost of disposal were considerably different: they were highly dependent on machine size, species, and fuel age of forest residues. Particularly, BurnBoss test burned over 40% more than HPB method and produced clean burn by airflow. The results from this study suggest that ACBs can be a useful tool to dispose of forest residues piled in many forests areas with less concerns of air quality and fire escape risks. View Full-Text
Keywords: open pile burning; burning consumption rates; costs; hand-pile burning; clean burn open pile burning; burning consumption rates; costs; hand-pile burning; clean burn
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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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Lee, E.; Han, H.-S. Air Curtain Burners: A Tool for Disposal of Forest Residues. Forests 2017, 8, 296.

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