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AuthorDas P.
AuthorThaher M.
AuthorAbdulQuadir M.
AuthorKhan S.
AuthorChaudhary A.
AuthorAl-Jabri H.
Available date2020-04-16T06:56:48Z
Publication Date2019
Publication NameBioresource Technology
ResourceScopus
ISSN9608524
URIhttp://dx.doi.org/10.1016/j.biortech.2018.12.108
URIhttp://hdl.handle.net/10576/14247
AbstractIn this study, a halotolerant Tetraselmis sp. was selected for 11-month outdoor semi-continuous cultivation in one sq. m raceway tank in the Qatari desert. A fraction of the culture was harvested using ferric chloride, and the growth media was returned to the tank. The recycling of culture media continued till the culture salinity reached 8% NaCl; 90% culture was then harvested, and the remaining culture fraction was used as inoculum for a new cultivation cycle. The growth of Tetraselmis sp. was not affected by incremental salinity although the intracellular metabolites varied; the average biomass productivity was 17.8 g/m2/d. Harvesting efficiency was slightly affected by the increase in salinity. Iron content in the harvested biomass was in the range of 1.5-3.3%, and acidic solution (pH = 1.48) was able to recover 91.3% iron from the harvested biomass. Nonetheless, Tetraselmis sp. could be grown continuously throughout the year in Qatar's climate condition.
SponsorThe authors would like to acknowledge the support of Qatar National Research Fund (QNRF, a member of Qatar Foundation) for providing the funding (under grant NPRP8-646-2-272 ) for this study.
Languageen
PublisherElsevier Ltd
SubjectCoagulant recovery
Coagulation-flocculation
Long-term cultivation
Media recycling
Tetraselmis
TitleLong-term semi-continuous cultivation of a halo-tolerant Tetraselmis sp. using recycled growth media
TypeArticle
Pagination35-41
Volume Number276
dc.accessType Abstract Only


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