Optimization of Aeration for Accelerating Municipal Solid Waste Biodrying

• DOI: 10.14710/ijred.2022.45143
• Publication Date: 2022-06-19T15:02:57Z
• Authors: Panida Payomthip; Sirintornthep Tow...; Chart Chiemchaisri; Suthum Patumsawad; Komsilp Wangyao
• Keywords: TJ807-830; municipal solid waste; 01 natural sciences; biodrying; Renewable energy sources; 6. Clean water; 12. Responsible consumption; mechanical biological treatment; 13. Climate action; refuse-derived fuel; 11. Sustainability; negative aeration; 0105 earth and related environmental sciences

Biodrying technology is commonly used in Thailand to produce refuse-derived fuel (RDF), however, this remains ineffective on high-moisture waste. Air supply key ensuring homogenous temperature development within the waste matrix during biodrying, increasing RDF quality. This study investigated negative aeration local municipal solid biodrying meet standards reduced time. Lysimeter experiments were performed pre-shredded (300 kg/m3) using different patterns. The temperature, vent gas oxygen level, weight loss, and leachate volume process monitored. In addition, treated waste’s moisture, heating values evaluated determine efficiency. results indicate that shorter phases can be achieved continuous aeration. No significant variation was observed layers, with a low standard deviation of 1.96% constant air supply, indicating homogeneous process. contained 15–20% non-detectable methane, evidencing sufficient supply. total heat independent pattern; therefore, unaffected by excess at 95% confidence level. highest loss moisture content reduction 25% 66%, respectively. optimal mode non-excessive aeration, lower value from 2,884.0 4,938.0 kCal/kg, reducing 48.5% 22.2%. quality improved 1.7 times Thailand’s short period 7 days distribution operated under