A Coupled Process Integrating Heavymetal Bioremediation and Biodiesel Production using Oleaginous Microalgae
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Date
2018-06-23T06:46:58Z
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Abstract
The present scenario of our biodiversity shows drastic reduction inthe availability of fossil fuels.Not only does the need for an energy sources has increased, but also increased
the demand for a renewable energy friendly source. The constant production of waste
from industries has polluted the water bodies and ultimately affected the life forms.
Heavy metals have seen to play a very big role in the above. It’s contamination calls for a need of a solution that can help us remove the same from waterbodies. Hence the solution of using micro algae to produce lipid that can be converted to biodiesel and for bioremediation of heavy metals from the waterbodies.
Microalgae cultures were isolated from fresh water bodies and also marine water bodies,
keeping the availability of marine sources in mind. The culture was inoculated in heavy
metal polluted waters to test their response of lipid production and metal bioremediation.
The presence of algae was confirmed using SEM analysis and 18S RNA Sequencing. An
optimization test of 30 trials was carried out. The tests were then validated using
Colorimetric estimation using sulpho-phospho vanillin, Leuco Crystal Violet method and FTIR analysis. This confirmed the production of lipid and the removal of metal particularly arsenic from waste water.
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Chaithanya Lakshmi, Hanna Abdul Hakeem, Shivali Muthappa B, 1NH14BT013, 1NH14BT018, 1NH14BT049