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Biosorption of Heavy Metals by Candida albicans

In: Advances in Bioremediation and Phytoremediation

Author

Listed:
  • Ismael Acosta
  • Juan Fernando Cardenas Gonzalez
  • Adriana Sarai Rodriguez Perez
  • Victor Manuel Martinez
  • Maria de Guadalupe Moctezuma Zarate
  • Nancy Cecilia Pacheco Castillo

Abstract

The objective of this work was to study the resistance and removal capacity of heavy metals by the yeast Candida albicans. The resistance of some heavy metals was analyzed: the yeast grows in 2000 ppm of chromium, zinc, lead, and copper, 1500 ppm of arsenic (III), 500 ppm of silver, and little bit in cobalt (300 ppm) and mercury and cadmium (200 ppm). Analyzing its potential to remove heavy metals, it can efficiently remove is as follows: Cr(VI) (76%), lead (57%), silver (51%), cadmium (46%), fairly arsenic(III) (40% with the modified biomass), cobalt (37%), mercury (36%), copper (31%), little bit zinc (22%), and fluoride (10%). We determine the optimal characteristics for chromium(VI) removal in living cells and death biomass. The ideal conditions for the removal of 50 mg/L of Cr(VI) in living cells were 28°C, pH 7.0, and 10 × 106 yeast/mL, with glycerol-like carbon source. In dead yeast biomass, the ideal conditions for removal of metal are 200 mg/L of Cr(VI), 60°C, pH 1.0, 20 h, and 5 g of biomass.

Suggested Citation

  • Ismael Acosta & Juan Fernando Cardenas Gonzalez & Adriana Sarai Rodriguez Perez & Victor Manuel Martinez & Maria de Guadalupe Moctezuma Zarate & Nancy Cecilia Pacheco Castillo, 2018. "Biosorption of Heavy Metals by Candida albicans," Chapters, in: Naofumi Shiomi (ed.), Advances in Bioremediation and Phytoremediation, IntechOpen.
    • Handle: RePEc:ito:pchaps:119666
    DOI: 10.5772/intechopen.72454
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    More about this item

    Keywords

    biosorption; heavy metals; Candida albicans; bioremediation; microorganism;
    All these keywords.

    JEL classification:

    • Q57 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Environmental Economics - - - Ecological Economics

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