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Material and moisture balance in a full-scale bio-drying MBT system for solid recovered fuel production

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Title: Material and moisture balance in a full-scale bio-drying MBT system for solid recovered fuel production
Authors: Ham, Geun-Yong Browse this author
Matsuto, Toshihiko Browse this author →KAKEN DB
Tojo, Yasumasa Browse this author →KAKEN DB
Matsuo, Takayuki Browse this author
Keywords: Bio-drying MBT
Material balance
Water removal
Material recirculation
Solid recovered fuel recovery
Issue Date: Jan-2020
Publisher: Springer
Journal Title: Journal of material cycles and waste management
Volume: 22
Issue: 1
Start Page: 167
End Page: 175
Publisher DOI: 10.1007/s10163-019-00925-2
Abstract: Bio-drying MBT is a type of mechanical biological treatment (MBT) system and reduces moisture content of the MSW to improve the separation of combustible fractions. In this study, a full-scale biocell-type bio-drying MBT system was investigated. The mass balance of waste component was estimated by composition and characterization of waste and tonnage data. During separation of biodried outputs, 62% of plastics and 54% of paper were recovered as RPF material. Wood was decreased by reduction in particle size and 90% of biodried wood is returned to next reactor. Changes of mixed fine caused by fine wood particle and the loss of organic matters and 60% of it were returned. Daily water removal during 17-days of bio-drying was simulated through the model using the operation data. Among the four operation phases, the longest stabilization phase was expected to main water removal period, but half of water removal occurred at initial two stages and phase IV for only 6 days in total due to the high waste temperature for sanitization (phase I and II) and high airflow rate for cooling. Decreasing waste temperature at phase III resulted in low water evaporation.
Rights: The final publication is available at
Type: article (author version)
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 松藤 敏彦

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