9 An Insight into Microbial Remediation of Hexavalent Chromium …
213
Table 9.1
(continued)
Microbial species Source
Substrate/Medium
Tolerance
Cr (mgL −1
)
Initial Cr 6+
(mgL −1
)
Cr 6+
removal (%)
Reaction
Time/HRT (h)
References
Bacillus
sphaericus
Tannery waste
contaminated
soil
NA
500
500
91.7
78
Kathiravan et al.
(2010a)
Pseudomonas
viridiflava
Cr(VI)
contaminated
Soil
TMM
1560
10.4
43
24
Viti et al. (2006)
Staphylococcus
gallinarum
W-61
Tannery
effluents
LB
644.8
26
100
56
Alam and Ahmad
(2011)
Arthrobacter
aurescens
Cr(VI)
contaminated
aquifer soil
(core)
VB
1000
60
100
408
Horton et al.
(2006)
HRT
Hydraulic retention time, NA
Nutrient agar, PYGA
Potato yeast glucose agar, NB
Nutrient broth, LB
Lysogeny broth, PYG
Peptone yeast extract glucose,
MM
iThayer-Martin agar, ZMA
Zobell Marine agar