Table 4 Supernatant Hg removal after aggregation and sedimentation of Hg amended culture medium with/without Yarrowia spp. cultivation
From: Mercury removal during growth of mercury tolerant and self-aggregating Yarrowia spp.
Aggregation condition | Supernatant Hg removal (%) |
|---|---|
Without yeast biomass (negative control) | |
Medium containing 32 µg Hg ml−1 with NH3 alum salt | 17.9 (1.0) |
Medium containing 32 µg Hg ml−1 with Na alum salt | 19.6 (0.7) |
Medium containing 32 µg Hg ml−1 with K alum salt | 18.1 (0.7) |
With Idd1 biomass | |
Culture biomass (in medium containing 32 µg Hg ml−1) without alum salt treatment | 91.3 (0.7) |
Culture biomass (in medium containing 32 µg Hg ml−1) with NH3 alum salt | 90.4 (0.3) |
Culture biomass (in medium containing 32 µg Hg ml−1) with Na alum salt | 93.8 (0.4) |
Culture biomass (in medium containing 32 µg Hg ml−1) with K alum salt | 88.9 (0.6) |
With Idd2 biomass | |
Culture biomass (in medium containing 32 µg Hg ml−1) without alum salt treatment | 94.8 (0.3) |
Culture biomass (in medium containing 32 µg Hg ml−1) with NH3 alum salt | 90.8 (0.3) |
Culture biomass (in medium containing 32 µg Hg ml−1) with Na alum salt | 93.4 (0.4) |
Culture biomass (in medium containing 32 µg Hg ml−1) with K alum salt | 92.2 (0.7) |