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Hokkaido University Collection of Scholarly and Academic Papers >
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Effects of pyrolysis temperature and feedstock type on particulate matter emission characteristics during biochar combustion
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| Title: | Effects of pyrolysis temperature and feedstock type on particulate matter emission characteristics during biochar combustion |
| Authors: | Itoh, Takanori Browse this author →ORCID | | Fujiwara, Nana Browse this author | | Iwabuchi, Kazunori Browse this author →KAKEN DB | | Narita, Takumi Browse this author | | Mendbayar, Dolgormaa Browse this author | | Kamide, Mitsushi Browse this author | | Niwa, Shinobu Browse this author | | Matsumi, Yutaka Browse this author →KAKEN DB |
| Keywords: | PM2.5 | | Biomass combustion | | Biomass stove | | Torrefaction | | Fuel upgrading | | Pretreatment |
| Issue Date: | Jul-2020 |
| Publisher: | Elsevier |
| Journal Title: | Fuel Processing Technology |
| Volume: | 204 |
| Start Page: | 106408 |
| Publisher DOI: | 10.1016/j.fuproc.2020.106408 |
| Abstract: | Aiming to reduce the emission of particulate matter (PM) during biomass combustion, we investigated the effects of pyrolysis temperature and feedstock type on the chemical properties of biochar and PM emission characteristics during subsequent combustion. Wood- and manure-based char samples were prepared at pyrolysis temperatures ranging from 200 to 500 °C and combusted in a laboratory-scale tube furnace at 850 °C. Due to the removal of volatile matter (VM), the total PM emission factor (EF) of the wood char decreased with increasing pyrolysis temperature, becoming negligible with pyrolysis at temperatures over 400 °C. For manure char, although pyrolysis removed VM and reduced the total PM EF from 12.5 ± 2.7 to 5.8 ± 2.9 mg/g-fuel, the high ash content precluded any effect on the emission of ash-derived PM. The occurrence of ash-derived PM resulted from release of Na, Mg, K, and Ca and was enhanced at higher combustion temperatures. We demonstrated that the pyrolysis of low-ash biomass effectively reduces the risk of PM emission. However, the efficacy of thermal treatment of high-ash biomass is limited but might be improved with further treatment, such as ash removal. |
| Rights: | https://creativecommons.org/licenses/by/4.0/ |
| Relation: | http://crossmark.crossref.org/dialog/?doi=10.1016/j.fuproc.2020.106408&domain=pdf |
| Type: | article |
| URI: | http://hdl.handle.net/2115/76998 |
| Appears in Collections: | 農学院・農学研究院 (Graduate School of Agriculture / Faculty of Agriculture) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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Submitter: 伊藤 貴則
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