Impact of Feedstock Density on Biodrying for Enhancing Heat Retention and Moisture Reduction

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Published: Aug 30, 2024
Keywords:
Refuse-Derived Fuel Temperature Integration Index Waste Management Thermal Performance Volatile Solids Consumption

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Eka Wahyanti
The Joint Graduate School of Energy and Environment (JGSEE), King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand ; 2Center of Excellence on Energy Technology and Environment (CEE), Ministry of Higher Education Science, Research and Innovation (MHESI), Bangkok 10400, Thailand
https://orcid.org/0000-0001-8642-9382
Abhisit Bhatsada
The Joint Graduate School of Energy and Environment (JGSEE), King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand ; 2Center of Excellence on Energy Technology and Environment (CEE), Ministry of Higher Education Science, Research and Innovation (MHESI), Bangkok 10400, Thailand
https://orcid.org/0000-0001-5007-6386
Sirintornthep Towprayoon
The Joint Graduate School of Energy and Environment (JGSEE), King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand ; 2Center of Excellence on Energy Technology and Environment (CEE), Ministry of Higher Education Science, Research and Innovation (MHESI), Bangkok 10400, Thailand
https://orcid.org/0000-0002-1964-1065
Noppharit Sutthasil
Environmental Health Programme, School of Health Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
https://orcid.org/0000-0003-2744-9425
Suthum Patumsawad
Department of Mechanical and Aerospace Engineering, Faculty of Engineering, King Mongkut's University of Technology North Bangkok, Bangkok 10800, Thailand
https://orcid.org/0000-0003-0669-443X
Komsilp Wangyao
The Joint Graduate School of Energy and Environment (JGSEE), King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand ; 2Center of Excellence on Energy Technology and Environment (CEE), Ministry of Higher Education Science, Research and Innovation (MHESI), Bangkok 10400, Thailand

Abstract

This study examines the effect of varying feedstock densities on the performance of biodrying processes to enhance waste management efficiency. Three different densities of wet- refuse-derived fuel 3 (wet-RDF3) from Bangkok's On Nut Transfer Station were tested using lysimeter reactors with constant aeration rates (0.6 m3/kd.day). Results revealed that a moderate density (230 kg/m3) achieved the highest temperature integration index (7218.01°C) and demonstrated effective moisture reduction and minimal volatile solids consumption. The higher densities improved heat retention and prolonged thermophilic conditions, optimizing the biodrying process. These findings highlight the importance of feedstock density in biodrying, suggesting that optimal density can significantly improve waste drying efficiency and produce better quality refuse-derived fuel. This approach offers a sustainable solution for waste management, particularly in developing countries.

Article Details

Issue
Vol. 38 No. 2 (2024): May-August
Section
Research Articles
Author Biographies

Eka Wahyanti, The Joint Graduate School of Energy and Environment (JGSEE), King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand ; 2Center of Excellence on Energy Technology and Environment (CEE), Ministry of Higher Education Science, Research and Innovation (MHESI), Bangkok 10400, Thailand

1 The Joint Graduate School of Energy and Environment (JGSEE), King Mongkut's University of Technology Thonburi, Bangkok, 10140, Thailand

2 Center of Excellence on Energy Technology and Environment (CEE), Ministry of Higher Education Science,
Research and Innovation (MHESI), Bangkok, 10140, Thailand.

Abhisit Bhatsada, The Joint Graduate School of Energy and Environment (JGSEE), King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand ; 2Center of Excellence on Energy Technology and Environment (CEE), Ministry of Higher Education Science, Research and Innovation (MHESI), Bangkok 10400, Thailand

1 The Joint Graduate School of Energy and Environment (JGSEE), King Mongkut's University of Technology Thonburi, Bangkok, 10140, Thailand

2 Center of Excellence on Energy Technology and Environment (CEE), Ministry of Higher Education Science,
Research and Innovation (MHESI), Bangkok, 10140, Thailand.

Sirintornthep Towprayoon, The Joint Graduate School of Energy and Environment (JGSEE), King Mongkut's University of Technology Thonburi, Bangkok 10140, Thailand ; 2Center of Excellence on Energy Technology and Environment (CEE), Ministry of Higher Education Science, Research and Innovation (MHESI), Bangkok 10400, Thailand

1 The Joint Graduate School of Energy and Environment (JGSEE), King Mongkut's University of Technology Thonburi, Bangkok, 10140, Thailand

2 Center of Excellence on Energy Technology and Environment (CEE), Ministry of Higher Education Science,
Research and Innovation (MHESI), Bangkok, 10140, Thailand.

Noppharit Sutthasil, Environmental Health Programme, School of Health Science, Mae Fah Luang University, Chiang Rai 57100, Thailand

3 Environmental Health Programme, School of Health Science, Mae Fah Luang University, Chiang Rai, 57100, Thailand

Suthum Patumsawad, Department of Mechanical and Aerospace Engineering, Faculty of Engineering, King Mongkut's University of Technology North Bangkok, Bangkok 10800, Thailand

4 Department of Mechanical and Aerospace Engineering, Faculty of Engineering, King Mongkut's University of Technology North Bangkok, Bangkok, 10800, Thailand

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