Pb biosorption by Leclercia adecarboxylata: Protective and immobilized mechanisms of extracellular polymeric substances
Chemical Engineering Journal(2019)
Abstract
•High concentration of Pb2+ could inhibit the growth and metabolism of PSBs.•EPS can build a protective barrier for inhibiting Pb2+ penetrating into cells.•S-EPS played a more important role than LB-EPS and TB-EPS in Pb2+ immobilization.•Complexation is the dominant mechanism to remove Pb2+ in EPS.
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Key words
Pb,Phosphate solubilizing bacteria,Biosorption,Protective,Extracellular polymeric substances
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