Isolation Of Bacteria With Potential As Mercury (Hg) Bioremediation From Kahayan River
DOI:
https://doi.org/10.19109/qe4sv930Keywords:
amalgamation, AAS, Kahayan River, gold mineAbstract
Kayahan River, located in Central Kalimantan, is one of the rivers used for traditional gold mining with amalgamation techniques in its processing. The use of this technique has the potential to pollute and damage the environment. This study aims to analyze the ability of bacteria as mercury (Hg) bioremediation agents at various concentrations. The methods applied include inoculation of sediment samples into Zobell 2216 E media, purification of bacteria growing on NA media, and identification of bacteria and testing of Hg degradation capabilities using Atomic Absorption Spectrophotometer (AAS). The results showed that isolate 34 was able to accumulate 132.73 ppm of Hg from the initial 250 ppm Hg in the media (53.09% reduction), while isolate 108 was able to accumulate 139.68 ppm (55.87% reduction).
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