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Immobilized microbial reactor for heavy metal pollution control
, Iyengar L., Venkobachar C.
Published in Inderscience Publishers
Volume: 6
Issue: 2-3
Pages: 277 - 284
The copper removal potential of Pseudomonas aeruginosa immobilized on different adsorbent resins has been studied. Duolite S-761 was found to be the most suitable matrix for bacterial immobilization. Column studies were conducted using virgin as well as bacteria-immobilized resin. The experimental results reveal that resin with immobilized cells as sorbent increased the column capacity by more than 100%. Sorbed copper (II) could be desorbed using citrate buffer, and the bacteria immobilized reactor could be reused for removal of copper(II) with more than 90% efficiency. Further, the immobilized microbes were found to be viable. Hydrochloric acid (0.1 N) was able to desorb almost 100% of the sorbed metal, but the viability of the cells was affected, as expected.
About the journal
JournalInternational Journal of Environment and Pollution
PublisherInderscience Publishers
Open AccessNo