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http://dx.doi.org/10.5658/WOOD.2020.48.6.847

Evaluation of the Amount of Gas Generated through Combustion of Wood Charcoal and Agglomerated Charcoal Depending on Air Ventilation  

JU, Young Min (Division of Wood Chemistry, Department of forest Products, National Institute of Forest Science)
JEONG, Hanseob (Division of Wood Chemistry, Department of forest Products, National Institute of Forest Science)
CHEA, Kwang-Seok (Division of Wood Chemistry, Department of forest Products, National Institute of Forest Science)
AHN, Byung-Jun (Division of Wood Chemistry, Department of forest Products, National Institute of Forest Science)
LEE, Soo Min (Division of Wood Chemistry, Department of forest Products, National Institute of Forest Science)
Publication Information
Journal of the Korean Wood Science and Technology / v.48, no.6, 2020 , pp. 847-860 More about this Journal
Abstract
This study was conducted into combustion characteristics and gases generated by the combustion of charcoal and agglomerated charcoal distributed in the domestic using a combustion chamber based on the average space per crater of a charcoal-grilled restaurant in South Korea. Each of the three types of charcoals and agglomerated wood charcoals was analyzed for fuel and combustion characteristics. In addition, the concentration changes of CO, CO2, NOx, and O2 were measured for 20 minutes depending on ventilation. As a result, CO yield without ventilation was measured in the range of 1390 to 4703 ppm, and CO yield with ventilation decreases about 29.8% to 57.4%. CO2 yield without ventilation was measured in the range of 1.34% to 2.42%, and CO2 yield was about 44.1% to 53.6% when the emission was more than about 1.5% at 10 minutes. The NOx yield was divided into two cases where the NOx yield was continuously increased because of incomplete combustion, emitted ranging from 29 ppm to 47 ppm, and where emission was constant after 1 minute in the range of 9 ppm to 18 ppm. The NOx yield with ventilation tends to be similar to the without ventilation, and NOx yield decreases up to 62.5%. Therefore, it could be used for health risk assessment with the simulation of the usage environment of charcoal and agglomerated wood charcoal.
Keywords
charcoal; agglomerated charcoal; ventilation; combustion; gas emission;
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