Analysis on Storage Off-Gas Emissions from Woody, Herbaceous, and Torrefied Biomass
- Tumuluru, Jaya Shankar
- Lim, C. Jim
- Bi, Xiaotao T.
- Kuang, Xingya
- Melin, Staffan
- Yazdanpanah, Fahimeh
- Sokhansanj, Shahab
DOIAbstract
Wood chips, torrefied wood chips, ground switchgrass, and wood pellets were tested for off-gas emissions during storage. Storage canisters with gas-collection ports were used to conduct experiments at room temperature of 20 °C and in a laboratory oven set at 40 °C. Commercially-produced wood pellets yielded the highest carbon monoxide (CO) emissions at both 20 and 40 °C (1600 and 13,000 ppmv), whereas torrefied wood chips emitted the lowest of about <200 and <2000 ppmv. Carbon dioxide (CO₂) emissions from wood pellets were 3000 ppmv and 42,000 ppmv, whereas torrefied wood chips registered at about 2000 and 25,000 ppmv, at 20 and 40 °C at the end of 11 days of storage. CO emission factors (milligrams per kilogram of biomass) calculated were ...
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