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A bioseparation process for removing lead(II) ions from waste water by using C. vulgaris
Author(s) -
Aksu Zümriye,
Kutsal Tülin
Publication year - 1991
Publication title -
journal of chemical technology and biotechnology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.64
H-Index - 117
eISSN - 1097-4660
pISSN - 0268-2575
DOI - 10.1002/jctb.280520108
Subject(s) - chlorella vulgaris , biosorption , adsorption , sorption , sorbent , freundlich equation , metal ions in aqueous solution , chemistry , metal , heavy metals , aqueous solution , water treatment , wastewater , nuclear chemistry , environmental chemistry , algae , environmental science , environmental engineering , botany , organic chemistry , biology
Biosorption of heavy metals by microbial cells has been recognized as a potential alternative to existing technologies for removing heavy metals from industrial waste waters. Many aquatic microorganisms, such as algae, can take up dissolved metals from their surroundings to their cells. In this study, the adsorption of lead(II) ions was investigated in a single‐staged batch reactor. Chlorella vulgaris, a green alga, was used as the sorbent. The sorption phenomenon was expressed by the Freundlich adsorption isotherm and this expression was used for the calculation of residual or adsorbed metal ion concentration at equilibrium (C eq or C x,eq ) at a given ‘volume of waste water containing heavy metal ion/quantity of alga (V 0 /X 0 )’ ratio in a single‐staged batch reactor. Experimental C eq and C x,eq values were compared to calculated ones. Applications in waste water treatment for lead(II) removal have been suggested.