ANNALS OF MICROBIOLOGY, 64(2):699-706, 2014.
abstract bibtex
abstract bibtex
In this study, four bacterial species isolated from an industrially
polluted region at the Istanbul-Kocaeli border were characterized and
their efficiencies for bioremoval of Cu2+, Ni2+, Cr3+, Zn2+, and Fe2+
were determined in batch and continuous systems. Strain N4c was used for
continuous metal bioremoval in a packed-bed immobilized cell reactor
(ICR) with a working volume of 180 ml. ICR was successfully operated for
treatment of synthetic wastewater containing 200 mg/l Cu2+ and Ni2+ for
140 and 80 h, respectively. Bioremoval efficiency of ICR for Cu2+
reached around 90 % in the last 3 days of operation at a flow rate of 1
ml/min. Ni2+ bioremoval in ICR was less efficient as the system worked
for only 80 h and bioremoval efficiency decreased from 73.3 to 42.8 %
during the operation period. Wastewater containing one or two types of
metal seems to be a good candidate for treatment with immobilized N4c
cells in a continuous system. Survival of the cells in the wastewater
was found to be an important parameter affecting bioremoval efficiency
in both batch and continuous systems. The ICR used in this study can be
scaled up for treatment of industrial wastewaters containing Ni2+ or
Cu2+.
@article{
title = {Continuous metal bioremoval by new bacterial isolates in immobilized cell reactor},
type = {article},
year = {2014},
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pages = {699-706},
volume = {64},
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abstract = {In this study, four bacterial species isolated from an industrially
polluted region at the Istanbul-Kocaeli border were characterized and
their efficiencies for bioremoval of Cu2+, Ni2+, Cr3+, Zn2+, and Fe2+
were determined in batch and continuous systems. Strain N4c was used for
continuous metal bioremoval in a packed-bed immobilized cell reactor
(ICR) with a working volume of 180 ml. ICR was successfully operated for
treatment of synthetic wastewater containing 200 mg/l Cu2+ and Ni2+ for
140 and 80 h, respectively. Bioremoval efficiency of ICR for Cu2+
reached around 90 % in the last 3 days of operation at a flow rate of 1
ml/min. Ni2+ bioremoval in ICR was less efficient as the system worked
for only 80 h and bioremoval efficiency decreased from 73.3 to 42.8 %
during the operation period. Wastewater containing one or two types of
metal seems to be a good candidate for treatment with immobilized N4c
cells in a continuous system. Survival of the cells in the wastewater
was found to be an important parameter affecting bioremoval efficiency
in both batch and continuous systems. The ICR used in this study can be
scaled up for treatment of industrial wastewaters containing Ni2+ or
Cu2+.},
bibtype = {article},
author = {Herand, Binnur Kiratli and Simsek, Esra Karlik and Oncel, Mehmet Salim and Ozkan, Melek},
journal = {ANNALS OF MICROBIOLOGY},
number = {2}
}Downloads: 0