Isolation and Selection of Indigenous Bacteria Resistant Nickel and Chromium from Nickel Post Mining Land in Pomalaa, Indonesia

Authors : Yolanda Fitria Syahri, Djunarlin Tojang, Baharuddin, Ahmad Yani, Fachruddin.

Volume/Issue : Volume 3 - 2018, Issue 11 - November

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Nickel is used for various commercial and industrial needs. The main problem currently arising from the nickel post mining land in Pomalaa is the high level of heavy metals Ni and Cr in soil. The use of microorganisms to reduce the toxic metals on contaminated soils is environmentally friendly. This research was conducted to obtain indigenous bacteria that were resistant to the content of Ni and Cr at a concentration of 10 ppm. The research methods carried out to achieve the research objectives are isolation and selection. The selection results from 96 indigenous single bacteria that were regenerated on solid NB media obtained 41 bacterial isolates which had density and the ability to grow very fast (+++) i.e. bacteria that could grow at

Keywords : indigenous bacteria; chromium; nickel; mining.


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