Ability of a Local Bacillus cereus DS1 Isolate of Dematallization of Heavy Metals

Eman H Qatie, Nibras M Al- hasani, Alia F Hachim, Ameena G Alsudani, Sanaa Kh Maied


Bacillus cereusDS1 isolate obtained from oil contaminated soil sample, has been isolated in the previous experiments. It was selected for its ability to degrade Nickel protoporphyrin disodium as a model of a heavy metal organic compound .In this research we report capability of the bacterial isolate of growing on Vanadium oxide octaethyl porphyrin with concentration of 20 mg / l as a carbon source. Result showed less efficiency to grow with existence of this substrate .Effect of other compounds used as a chloride metals was investigated .Bacterial strain exhibited a deferent pattern of growth with addition of this metals .The results shown an obvious growth inhibition in state of using Zn metal, when added Cu stimulated the growth activity. Such isolate can be interesting in improving oil quality.

Keywords: bacteria, protoporphyrins, heavy metals, dematallization and crud oil


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ISSN (Paper)2224-3208 ISSN (Online)2225-093X

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