Aeration Optimization for the Biodrying of Market Waste Using Negative Ventilation: A Lysimeter Study
บทความในวารสาร
ผู้เขียน/บรรณาธิการ
กลุ่มสาขาการวิจัยเชิงกลยุทธ์
รายละเอียดสำหรับงานพิมพ์
รายชื่อผู้แต่ง: Lwin Y.N.N., Bhatsada A., Towprayoon S.,Patumsawad S., Sutthasil N., Wangyao K.
ผู้เผยแพร่: MDPI
ปีที่เผยแพร่ (ค.ศ.): 2024
Volume number: 6
Issue number: 4
หน้าแรก: 1519
หน้าสุดท้าย: 1536
จำนวนหน้า: 18
นอก: 2571-8797
eISSN: 2571-8797
ภาษา: English-Great Britain (EN-GB)
บทคัดย่อ
This study investigates the optimization of aeration rates for the biodrying of market waste using negative-pressure ventilation. Market waste, characterized by a high moisture content (MC) and rapid decomposition, presents challenges in waste management. Over 12 days, three aeration rates (ARs) of 0.2, 0.4, and 0.6 m3/kg/day were examined, and the most effective continuous ventilation configuration was identified in terms of heat generation, moisture reduction, and biodrying efficiency. The results indicate that the most effective AR for heat retention and moisture removal was 0.2 m3/kg/day, achieving a 6.63% MC reduction and a 9.12% low heating value (LHV) increase. Gas analysis showed that, while AR 0.2 supported high microbial activity during the initial 7 days, AR 0.6 sustained higher overall CO2 production due to its greater aeration rate. The findings also suggest that the biodrying of market waste with a high initial MC can achieve significant weight loss and leachate generation when paired with a high aeration rate of 0.6 m3/kg/day, with a 69.8% weight loss and increased waste compaction being recorded. The study suggests that variable ARs can optimize biodrying, making market waste more suitable for conversion to refuse-derived fuel or landfill pre-treatment and improving waste-to-energy processes and sustainability. © 2024 by the authors.
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