212
A. Naz et al.
Table 9.1
Source and performance of microbial strains for the removal of Cr 6+
from contaminated water
Microbial species Source
Substrate/Medium
Tolerance
Cr (mgL −1
)
Initial Cr 6+
(mgL −1
)
Cr 6+
removal (%)
Reaction
Time/HRT (h)
References
Bacillus firmus
Electroplating
effluents
polluted soil
PYGA
49,650
104
100
144
Sau et al. (2008)
Bacillus
sp.Ev3
Industrial
wastewater
LB
4800
100
91
96
Rehman et al.
(2008)
Bacillus
sp.
JDM-2-1
Industrial
wastewater
LB
4800
100
85
96
Zahoor and
Rehman (2009)
Bacillus
maroccanus
Tannery waste
contaminated
soil
TMM+0.2%gluconate
2080
10.4
56-69
96
Viti et al. (2003)
Bacillus
maroccanus
ChrC22
Tannery waste
contaminated
soil
TMM+0.2%
gluconate
1456
10.4
56-69
96
Viti et al. (2003)
Bacillus
amyloliquefaciens
Sukinda
chromite mine
soil
NA
900
100
100
144
Das et al. (2014)
Bacillus subtilis
Tannery waste
contaminated
soil
Ca-M9 MM
800
50
100
65
Mangaiyarkarasi
et al. (2011)
Bacillus
sphaericus
Serpentine soil
PYG
800
20
62
48
Pal and Paul
(2004)
(continued)