| 摘要 |
Gas and/or liquid exchange between a first area within a bulk material pile and a second area outside the bulk material pile is enabled by creating a substantially horizontal cavity during the formation of the bulk material pile, and establishing a conduit between the cavity and the area outside the bulk material pile during the formation of the bulk material pile. Where the bulk material pile is a solid waste pile, the cavity may be created using a substantially horizontal, elongated leaching chamber, and the conduit may be created with a system of pipes.
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