The coupling effects of electric field and clay mineralogy on clay aggregate stability

Purpose This paper aims to investigate the effect of clay mineralogy on aggregate stability under the consideration of soil particle surface electric field in electrolyte solution. Materials and methods Aggregates of montmorillonite, kaolinite, and their compounds in different mass ratio were used a...

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Bibliographic Details
Published in:Journal of soils and sediments 2015-05, Vol.15 (5), p.1159-1168
Main Authors: Xu, Chen-Yang, Yu, Zheng-Hong, Li, Hang
Format: Article
Language:English
Subjects:
Aggregates
Clay
Drought
Earth and Environmental Science
Electric fields
Environment
Environmental Physics
Kaolinite
Mineralogy
Montmorillonite
Sec 3 • Remediation and Management of Contaminated or Degraded Lands • Research Article
Silt
Soil aggregates
Soil Science & Conservation
Soils
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Summary:Purpose This paper aims to investigate the effect of clay mineralogy on aggregate stability under the consideration of soil particle surface electric field in electrolyte solution. Materials and methods Aggregates of montmorillonite, kaolinite, and their compounds in different mass ratio were used as experimental materials. The degree to which the aggregates broke down under different electrolyte concentrations was evaluated both qualitatively and quantitatively. The aggregate breakdown process was observed with a video microscope. Furthermore, the percentage of particles (micro-aggregates and single particles) in diameter of
ISSN:1439-0108
1614-7480
DOI:10.1007/s11368-015-1063-0