| Pressure Distribution of LFG in a Landfill with Vertical Extraction System |
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| 引用本文： | PENG Xu? y,YU Yi,LIU Guo? tao. Pressure Distribution of LFG in a Landfill with Vertical Extraction System[J]. 保鲜与加工, 2003, 0(1): 92-95 |
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| 作者姓名： | PENG Xu? y YU Yi LIU Guo? tao |
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| 摘 要： | In present engineering practice of landfill gas pollution control and its recovery, technical parameters such as extraction flow and radius of influence of a extraction well must be determined by field tests. A mathematical model for LFG migration under a vertical extraction well is established, which comprehensively reflects affects of several parameters including LFG generation rate, extraction flow, air permeability, buried depth of a extraction well and features of the cover layer. By using the model, pressure distribution of LFG around a vertical extraction well in a landfill can be calculated, the radius of influence of the well can also be determined.
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| 关 键 词： | landfill gas migration pressure distribution extraction well modeling |
| 修稿时间： | 2002-09-23 |
Pressure Distribution of LFG in a Landfill with Vertical Extraction System |
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| PENG Xu? y,YU Yi,LIU Guo? tao. Pressure Distribution of LFG in a Landfill with Vertical Extraction System[J]. Storage & Process, 2003, 0(1): 92-95 |
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| Authors: | PENG Xu? y YU Yi LIU Guo? tao |
| |
| Abstract: | In present engineering practice of landfill gas pollution control and its recovery, technical parameters such as extraction flow and radius of influence of a extraction well must be determined by field tests. A mathematical model for LFG migration under a vertical extraction well is established, which comprehensively reflects affects of several parameters including LFG generation rate, extraction flow, air permeability, buried depth of a extraction well and features of the cover layer. By using the model, pressure distribution of LFG around a vertical extraction well in a landfill can be calculated, the radius of influence of the well can also be determined. |
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| Keywords: | landfill gas migration pressure distribution extraction well modeling |
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