AI Article Synopsis
- The marine microalgae Nannochloropsis oceanica was successfully cultivated in wastewater from four different industries, showing promising biomass and lipid productivity.
- Biomass productivity ranged from 21.78 to 27.78 mg L(-1) d(-1), and lipid productivity varied from 5.59 to 6.81 mg L(-1) d(-1), with notable eicosapentaenoic acid (EPA) content.
- The study indicates that wastewater could be a viable growth medium for producing biodiesel compliant with European standards, particularly showing similar EPA content from the pesticide industry and municipal sewage compared to conventional growth mediums.
Article Abstract
The eicosapentaenoic acid rich marine eustigmatophyte Nannochloropsis oceanica was grown in wastewaters sampled from four different industries (i.e. pesticides industry, pharmaceutical industry, activated sludge treatment plant of municipality sewage and petroleum (oil) industry). Under the wastewater based growth conditions used in this study, the biomass productivity ranged from 21.78±0.87 to 27.78±0.22mgL(-1)d(-1) in relation to freeze dried biomass, while the lipid productivity varied between 5.59±0.02 and 6.81±0.04mgL(-1)d(-1). Although comparatively higher biomass, lipid and EPA productivity was observed in Conway medium, the %EPA content was similarly observed in pesticides industry and municipal effluents. The results highlight the possibility of selectively using wastewater as a growth medium, demonstrating the elevated eicosapentaenoic acid content and biodiesel properties, that complies with the European standards for biodiesel.
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| http://dx.doi.org/10.1016/j.biortech.2016.07.083 | DOI Listing |
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