Landfilling: Geotechnology

Rowe, R. Kerry; VanGulck, Jamie F.

doi:10.1002/9780470666883.ch47

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Influence Factors1

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2014

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“…Effect of leachate collection pipe. Rowe [36] reported that the rate of clogging of the drain will also be reduced with smaller pipe spacing since the mass loading of organics and inorganics entering a single collection pipe decreases. Rowe [34] also found that the larger the pipe spacing the higher the clogging rate and hence both the sooner the leachate mound began to increase and the higher the mound by numerical model analysis.…”

Section: Influence Factorsmentioning

confidence: 99%

Influence Factors in Clogging of Landfill Leachate Collection System

Bian

Liu

2014

AMR

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A common failure mode for landfills is clogging of the leachate collection system. Based on the studies of clogging about landfill leachate collection system, the influence factors about clog were comprehensively and systematically analyzed .The results show that calcium is the dominant mineral of the dry mass of clog material, and CaCO3 is the main component of the clog. The growth of biomass, minerals precipitation and deposition of suspend inorganic particles are the three major mechanisms for the clogging of LCSs. However, the clogging rate and extend of LCSs is affected by particle size of the granular media, pipe spacing and pipe diameter, filter-separator layer, mass loading, saturated or unsaturated conditions and temperature. These conclusions have profound guiding significance for the design and operation of landfill leachate collection system.

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Section: Influence Factorsmentioning

confidence: 99%