Biolife, Volume 3, Issue 2, 2015
DOI: http://dx.doi.org/10.17812/blj2015.32.6a


Research Article:




El-Sayed1, A.B. Battah M. G2 and Wehedy, E3*

1Algal Biotechnology Unit, National Research Centre, Dokki- Cairo, Egypt
2,3 Botany Department, Faculty of Science, Benha University, Egypt


*Email: eman.link@ymail.com


Abstract


Consumption of organic and inorganic carbon by the green alga Chlorella vulgaris was determined. Artificial carbon dioxide was laboratory prepared by nitric acid and calcium carbonate reaction. The exhausts carbon dioxide from algal growth container was trapped by KOH to form soluble potassium carbonate.  Concerning organic carbon, corn soaking water (corn steam liquor) was used. The ex-grown alga Chlorella vulgaris in full BG-II media was tested under different concentrations of wastes. Growth parameters were dry weight, total chlorophyll and total carotenes. The percent of carbon dioxide capture was found to be 32.5% within 30cm culture depth. Thus, 67.5% of the injected CO2 were drained off again to the outer media. Dry weight during indoor growth was proportionally associated with the enriched waste volume due to extra organic carbon supplementation and other required nutrients mainly nitrogen, phosphorous and potassium. The best result was obtained (≥0.3g.d-1 of biomass) with cultures that supported by over than 10ml.l-1 wastes in the presence of BG-II growth media. Otherwise, alga able to grow well at 10- 30 m.l-1 of wastes in the absence of both BG-II growth media and carbon dioxide, but varied on their growth-reaching time. Cells reached their maximum growth after 7 days of incubation.

Key words:
Chlorella vulgaris, corn steam liqour, organic carbon, photobioreactor



Published online on  5th April, 2015
© 2015 Published by Global Science Publishing Group, USA


How to Cite this Article

El-Sayed, A.B. Battah M. G and Wehedy, E (2015). Utilization efficiency of artificial carbon dioxide and corn steam liquor by Chlorella vulgaris. Biolife, 3(2), pp 391-402. doi:10.17812/blj2015.32.6a

Link to this article: http://biolifejournal.com/10.17812_blj2015.32.6.html
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Utilization efficiency of artificial carbon dioxide and corn steam liquor by Chlorella vulgaris
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