Utilization of sepiolite materials as a bottom liner material in solid waste landfills

Copyright © 2013 Elsevier Ltd. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Waste management (New York, N.Y.). - 1999. - 34(2014), 1 vom: 13. Jan., Seite 112-24
1. Verfasser: Guney, Yucel (VerfasserIn)
Weitere Verfasser: Cetin, Bora, Aydilek, Ahmet H, Tanyu, Burak F, Koparal, Savas
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2014
Zugriff auf das übergeordnete Werk:Waste management (New York, N.Y.)
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Adsorption Bottom liner Heavy metals Landfills Sepiolite Solid wastes Zeolite Aluminum Silicates mehr... Magnesium Silicates Metals Soil Solid Waste Zeolites 1318-02-1 magnesium trisilicate C2E1CI501T Clay T1FAD4SS2M
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520 |a Landfill bottom liners are generally constructed with natural clay soils due to their high strength and low hydraulic conductivity characteristics. However, in recent years it is increasingly difficult to find locally available clay soils that satisfy the required engineering properties. Fine grained soils such as sepiolite and zeolite may be used as alternative materials in the constructions of landfill bottom liners. A study was conducted to investigate the feasibility of using natural clay rich in kaolinite, sepiolite, zeolite, and their mixtures as a bottom liner material. Unconfined compression tests, swell tests, hydraulic conductivity tests, batch and column adsorption tests were performed on each type of soil and sepiolite-zeolite mixtures. The results of the current study indicate that sepiolite is the dominant material that affects both the geomechanical and geoenvironmental properties of these alternative liners. An increase in sepiolite content in the sepiolite-zeolite mixtures increased the strength, swelling potential and metal adsorption capacities of the soil mixtures. Moreover, hydraulic conductivity of the mixtures decreased significantly with the addition of sepiolite. The utilization of sepiolite-zeolite materials as a bottom liner material allowed for thinner liners with some reduction in construction costs compared to use of a kaolinite-rich clay 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Adsorption 
650 4 |a Bottom liner 
650 4 |a Heavy metals 
650 4 |a Landfills 
650 4 |a Sepiolite 
650 4 |a Solid wastes 
650 4 |a Zeolite 
650 7 |a Aluminum Silicates  |2 NLM 
650 7 |a Magnesium Silicates  |2 NLM 
650 7 |a Metals  |2 NLM 
650 7 |a Soil  |2 NLM 
650 7 |a Solid Waste  |2 NLM 
650 7 |a Zeolites  |2 NLM 
650 7 |a 1318-02-1  |2 NLM 
650 7 |a magnesium trisilicate  |2 NLM 
650 7 |a C2E1CI501T  |2 NLM 
650 7 |a Clay  |2 NLM 
650 7 |a T1FAD4SS2M  |2 NLM 
700 1 |a Cetin, Bora  |e verfasserin  |4 aut 
700 1 |a Aydilek, Ahmet H  |e verfasserin  |4 aut 
700 1 |a Tanyu, Burak F  |e verfasserin  |4 aut 
700 1 |a Koparal, Savas  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Waste management (New York, N.Y.)  |d 1999  |g 34(2014), 1 vom: 13. Jan., Seite 112-24  |w (DE-627)NLM098197061  |x 1879-2456  |7 nnns 
773 1 8 |g volume:34  |g year:2014  |g number:1  |g day:13  |g month:01  |g pages:112-24 
856 4 0 |u http://dx.doi.org/10.1016/j.wasman.2013.10.008  |3 Volltext 
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