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Element Desorption from and Crystal Dissolution of a Smectite by Interaction with the Bacteria Escherichia coli and/or Varied Amino Acids

Author

Listed:
  • K Semhi
  • S Bani

    (Sultan Qaboos University, Oman)

  • N Clauer

    (Institut de Physique du Globe de Strasbourg (UdS-CNRS), France)

  • A Sayeigh

    (Ministry of Municipality Affairs and Urban Planning, Bahrain)

Abstract

Three-week experiments were completed to evaluate the interaction of the bacteria Escherichia coli and amino acids (glutamic acid, alanine, arginine, serine and leucine) on the dissolution and/or desorption rates of a smectite-type clay mineral. A systematic dominant leaching of Na confirms that the initial smectite was Na-enriched. The bacteria Escherichia coli induced leaching of a Si/Al ratio far from that released by either the amino acids or by a combination of the bacteria and amino acids. Conversely, this ratio is close to the value of the smectite itself. Therefore, the bacteria has a probable dissolution impact rather than a desorption action. This preferential action is indirectly corroborated by a low removal of Na by the bacteria. Removal impact of the bacteria on the smectite decreased when mixed with any of the amino acid.

Suggested Citation

  • K Semhi & S Bani & N Clauer & A Sayeigh, 2019. "Element Desorption from and Crystal Dissolution of a Smectite by Interaction with the Bacteria Escherichia coli and/or Varied Amino Acids," International Journal of Environmental Sciences & Natural Resources, Juniper Publishers Inc., vol. 23(1), pages 06-22, December.
    • Handle: RePEc:adp:ijesnr:v:23:y:2019:i:1:p:06-22
    DOI: 10.19080/IJESNR.2019.23.556103
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    Keywords

    earth and environment journals; environment journals; open access environment journals; peer reviewed environmental journals; open access; juniper publishers; ournal of Environmental Sciences; juniper publishers journals ; juniper publishers reivew;
    All these keywords.

    JEL classification:

    • R00 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General - - - General
    • Z0 - Other Special Topics - - General

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