Abstract
The paper focuses on the determination of fuel consumption (CO2 emission) and exhaust emissions such as CO, HC, NOx, and PM in the process of timber extraction and transport. A complex assessment of fuel consumption and exhaust emissions was performed for the entire, fully mechanized supply chain including, tree felling, delimbing, and bucking with a harvester, timber extraction with a forwarder and transport with a truck. The performed investigations determined unit exhaust emissions (referred to 1 m3 of timber) for the entire technological process and its individual stages. The investigations of the exhaust emissions and fuel consumption were performed under actual conditions of typical forest operations and transport. State-of-the-art portable emissions measurement system equipment was used for the measurements. The fuel consumption was determined through the carbon balance method. The investigations were performed for the process of extraction and transport of pulpwood. The measurements were performed on location in the town of Bębnikąt near Poznań, in a pinewood forest, typical of this part of Europe. The analysis includes the transport of timber to the lumberyard on a distance of 31.4 km. The total fuel consumption for the entire mechanized supply chain was 2.10 dm3/m3. The total exhaust emissions, however, amounted to: CO—8.91 g/m3, HC—1.19 g/m3, NOx—45.32 g/m3, PM—4.04 g/m3.
Highlights
Based on the results of meteorological observations, it is observable that the Earth’s climate is undergoing certain changes (Raisanen et al 2004)
The paper focuses on the determination of fuel consumption (CO2 emission) and exhaust emissions such as CO, HC, NOx, and PM in the process of timber extraction and transport
The investigations of the exhaust emissions and fuel consumption were performed under actual conditions of typical forest operations and transport
Summary
Based on the results of meteorological observations, it is observable that the Earth’s climate is undergoing certain changes (Raisanen et al 2004). White et al (2010) in Report of EPA (Environmental Protection Agency) based on decades of research on humans and animals confirms that particulate matter is carcinogenic and significantly contributes to the development of cancer, lung cancer in particular (Environmental Protection Agency 2002). It is, Eur J Forest Res (2017) 136:153–160 fully justified to perform any works related to the assessment and reduction of the exhaust emissions from engines, including those used in forestry. In the process of timber extraction, combustion of fuel is associated with commonly used machinery such as harvesters, forwarders, trucks, etc
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