Hydraulic Conductivity and Adsorption Parameters for Pollutant Transport Through Montmorillonite and Modified Montmorillonite Clay Liner Materials

2009 ◽  
pp. 422-422-17 ◽  
Author(s):  
IM-C Lo ◽  
HM Liljestrand ◽  
DE Daniel
Keyword(s):  
Hydraulic Conductivity ◽  
Pollutant Transport ◽  
Montmorillonite Clay ◽  
Adsorption Parameters ◽  
Clay Liner ◽  
Modified Montmorillonite

scholarly journals Hydraulic and Swell–Shrink Characteristics of Clay and Recycled Zeolite Mixtures for Liner Construction in Sustainable Waste Landfill

2021 ◽  
Vol 13 (13) ◽  
pp. 7301
Author(s):  
Marcin K. Widomski ◽  
Anna Musz-Pomorska ◽  
Wojciech Franus
Keyword(s):  
Hydraulic Conductivity ◽  
Exchange Capacity ◽  
Saturated Hydraulic Conductivity ◽  
Clay Soils ◽  
Compacted Clay ◽  
Clay Liner ◽  
Compacted Clay Liner ◽  
Drying And Rewetting ◽  
Swelling Characteristics ◽  
Shrinkage And Swelling

This paper presents research considering hydraulic as well as swelling and shrinkage characteristics of potential recycled fine particle materials for compacted clay liner for sustainable landfills. Five locally available clay soils mixed with 10% (by mass) of NaP1 recycled zeolite were tested. The performed analysis was based on determined plasticity, cation exchange capacity, coefficient of saturated hydraulic conductivity after compaction, several shrinkage and swelling characteristics as well as, finally, saturated hydraulic conductivity after three cycles of drying and rewetting of tested specimens and the reference samples. The obtained results showed that addition of zeolite to clay soils allowed reduction in their saturated hydraulic conductivity to meet the required threshold (≤1 × 10−9 m/s) of sealing capabilities for compacted clay liner. On the other hand, an increase in plasticity, swelling, and in several cases in shrinkage, of the clay–zeolite mixture was observed. Finally, none of the tested mixtures was able to sustain its sealing capabilities after three cycles of drying and rewetting. Thus, the studied clayey soils mixed with sustainable recycled zeolite were assessed as promising materials for compacted liner construction. However, the liner should be operated carefully to avoid extensive dissication and cracking.

Use of crystal violet to prepare SBR-montmorillonite clay nanocomposites

e-Polymers ◽  
2011 ◽  
Vol 11 (1) ◽  
Author(s):  
Sugata Chakraborty ◽  
Saptrashi Kar ◽  
Saikat Dasgupta ◽  
Rabindra Mukhopadhyay ◽  
Samar Bandyopadhyay
Keyword(s):  
Crystal Violet ◽  
Montmorillonite Clay ◽  
Styrene Butadiene Rubber ◽  
Clay Nanocomposites ◽  
Butadiene Rubber ◽  
Modified Montmorillonite ◽  
Clay Slurry ◽  
Styrene Butadiene ◽  
Master Batch

AbstractPresent study describes the preparation and characterization of crystal violet modified-montmorillonite clay nanocomposites by latex blending technique. Coagulation of the latex-clay slurry produced nanocomposites master batch. The master batch was compounded with Styrene Butadiene rubber (SBR). WAXD and TEM provided the evidences of formation of nanocomposite. Remarkable improvements in the mechanical properties were found by addition of small amount of modified clay.

Adsorption of anionic dyes from aqueous solution using polyelectrolyte PDADMAC-modified-montmorillonite clay

2020 ◽  
Vol 208 ◽  
pp. 407-422
Author(s):  
Rachid Ait Akbour ◽  
Jamila El Gaayda ◽  
Fatima Ezzahra Titchou ◽  
Aïcha Khenifi ◽  
Hanane Afanga ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Montmorillonite Clay ◽  
Anionic Dyes ◽  
Modified Montmorillonite
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