在城市固体废物填埋场的基底压缩粘土层中减轻热量
Vihan Jayawardane1,2, Vivi Anggraini3,4, Manh-Vu Tran5
1Civil Engineering Department, School of Engineering, Monash University Malaysia, Jalan Lagoon Selatan, 47500, Bandar Sunway, Selangor Darul Ehsan, Malaysia.
Environmental science and pollution research international
|October 31, 2024
概括
城市固体废物 (MSW) 垃圾填埋场的温度升高可能导致基底裂. 这项研究表明,岩绝缘和冷却管道有效地降低了内温度和干燥,延长了垃圾填埋内使用寿命.
科学领域:
- 环境工程 环境工程
- 地质技术工程 地质技术工程
- 材料科学 材料科学 材料科学
背景情况:
- 城市固体废物 (MSW) 垃圾填埋场的生物降解产生热量,增加废物和基底层温度.
- 高温可能导致水分流失,干燥和压缩粘土层 (CCL) 的裂.
- 破裂的CCL允许不受控制的污染物释放,造成严重的环境风险.
研究的目的:
- 在恒定升高废气温度 (CET) 下,研究CCL中的温度-湿度概况.
- 评估岩绝缘和冷却管道在CCL中减轻热量和干燥的有效性.
- 评估不同隔热厚度和冷却管流量对CCL性能的影响.
主要方法:
- 模拟的高废气温度 (CET) 应用于CCLs.
- 测试了不同厚度的岩绝缘层.
- 采用了不同流速的钢冷却管道.
- 监测了CCL深度内的温度和湿度变化.
主要成果:
- 岩绝缘和冷却管道都显著降低了CCL温度和干燥.
- 岩厚度的增加逐渐降低了CCL温度.
- 在动荡条件下增加冷却管道流速对温度和干燥减少的影响有限.
结论:
- 岩绝缘和冷却管道是MSW垃圾填埋场有效的减热技术.
- 这些方法可以最大限度地减少CCL的干燥,并延长线船的使用寿命.
- 优化绝缘厚度至关重要,而冷却管道的流量在动荡条件下可能会产生较小的影响.
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