Forskningspodden #104: Off-gassing in wood pellets
Today, wood pellets are often used as fuel for heat and power generation. However, when stored, fresh wood pellets produced from fresh sawdust can self-heat and emit gasses (off-gassing). Self-heating may lead to fires while off-gassing of toxic gasses such as carbon monoxide is a human health and environmental hazard.
Workson Siwale’s research focuses on off-gassing and investigates how wood extractives influence the emission of gasses. Understanding the mechanisms behind off-gassing better, can inform raw material selection and pre-treatment so as to produce pellets with reduced off-gassing abilities. In our conversation, Workson explains the contributions of his research for sustaining product quality, and we learn more about the environmental and health benefits that can come out of improvements in pellets handling.
Workson Siwale’s licentiate thesis can be downloaded from DiVA: Understanding the Influence of Wood Extractives on Off-Gassing during Storage of Wood Pellets
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