Potentials of bentonite enhanced termite mound soil for bottom lining in waste containment system
| Autor: | Adebola A. Adekunle, Adedayo A. Badejo, Omobolaji Taofeek Opafola, Olayemi J Adeosun |
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| Rok vydání: | 2020 |
| Předmět: |
termite mound
bentonite lcsh:Environmental effects of industries and plants Geography Planning and Development Compaction Maximum dry density Landfill liner Management Monitoring Policy and Law Pollution lcsh:TD194-195 landfill liner Containment Hydraulic conductivity Bentonite Environmental science compaction Geotechnical engineering Leachate Water content hydraulic conductivity Nature and Landscape Conservation |
| Zdroj: | Journal of Degraded and Mining Lands Management, Vol 7, Iss 3, Pp 2185-2191 (2020) |
| ISSN: | 2502-2458 2339-076X |
| Popis: | The sole purpose of a compacted landfill liner is to contain and mitigate the impact of leachate on the environment. This research assessed the engineering properties of bentonite enhanced termite mound mixture to ascertain their suitability as an alternate landfill liner. The mixture of mound soil and bentonite was proportioned by percentage weight as (100:0), (95:5), (90:10) and (85:15) respectively. The compaction analysis reveals an optimum moisture content ranging from 13.80% to 18.52% and a maximum dry density that varied from 1.72 g/cm 3 to 1.88 g/cm 3 . The hydraulic conductivity result of 15% bentonite-mound soil mixture (0.23 x 10 -9 m/s) established hydraulic conductivity less than 1 x 10 -9 m/s, which satisfied the criteria for landfill liner. Hence, a mixture of 15% bentonite enhanced mound soil is found suitable as an alternate bottom liner. |
| Databáze: | OpenAIRE |
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