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MODS Metadata of Zeolitic mineral liner as hydraulic and buffering material

roleTerm ( text )
author 
namePart
Agbenyeku, Emmanuel Emem-Obong 
roleTerm ( text )
author 
namePart
Muzenda, Edison 
roleTerm ( text )
author 
namePart
Msibi, Innocent Mandla 
dateAccessioned
2015-04-17T08:38:49Z 
dateAvailable
2015-04-17T08:38:49Z 
dateIssued
2014 
text
Agbenyeku, E.E., Muzenda, E. & Msibi, I.M. 2014. Zeolitic mineral liner as hydraulic and buffering material. In: Proceedings of the International Conference on Earth, Environment and Life Sciences, 107-111. http://dx.doi.org/10.15242/IICBE.C121409. 
identifier ( uri )
http://hdl.handle.net/10210/13683 
abstract
Laboratory tests were done using a bespoke device to investigate landfill leachate seepage through a circular failed geocomposite liner. Pressures simulating actual landfill waste loads were applied to the lining system. The buffering capacity of a natural zeolitic mineral layer was investigated by measuring the leachate seepage rate and anionic (Cl and HCO3) contaminant transport through the geo-composite liner-buffering strata (BS). Simulated landfill waste loads from 25-150kPa were introduced to the system at intervals. The findings showed considerable reduction in seepage rate over the increased pressure. The seepage reduction is ascribed to the reduced liner transmissivity, θ and compressed soil layer. The natural zeolitic soil exhibited poor buffering of Cl ions but showed a fair outcome in the case of HCO3 ions. Data for seepage rates were compared with predicted values from existing equations by Forchheimer and Giroud. The comparisons showed inapplicability to this study and to real life scenarios, if conditions of perfect contact at the polyethylene/soil interface were assumed. Nonetheless, Giroud’s equation for good contact condition gave considerable seepage rate prediction through a failed geo-composite liner. 
languageTerm ( rfc3066 )
en 
publisher
EELS 
accessCondition ( useAndReproduction )
©2014, Agbenyeku, E.E., Muzenda, E. & Msibi, I.M., EELS 
topic
Leachate 
topic
Zeolites - Linings 
topic
Solid waste management 
topic
Hydraulics 
topic
Zeolites - Analysis 
title
Zeolitic mineral liner as hydraulic and buffering material 
genre
Article 

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http://hdl.handle.net/10210/159324
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