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Secure pipe lead through bush for drainage of gas and leachate from waste dumps, including those for special wastes
Secure pipe lead through bush for drainage of gas and leachate from waste dumps, including those for special wastes
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机译：固定穿过衬套的管道引线，以排出废物场（包括特殊废物场）中的气体和渗滤液
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摘要
A novel pipe lead through bush penetrates the sealing layer(s) of waste dumps. These dumps are asphalt-sealed and receive e.g. domestic-, industrial- and special wastes. The seal is especially suitable for the interception and drainage of leachate and gas from the waste dump. The dump sealing system comprises a mineral sealing layer, asphalt base layer, asphalt sealing layer and a dewatering layer. The pipe is passed through these layers, and connected to a disposal line. Polyethylene (PE), especially high density polyethylene (HDPE) are used for the disposal (6), and if appropriate, the drainage or leachate line (4). Where these pipe(s) come into contact with the asphalt sealing system of the waste dump, they have a coating (10) of polyvinylidine fluoride.
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