Studies on the removal of dyes from a synthetic textile effluent using barley husk in static-batch mode and in a continuous flow,packed-bed,reactor |
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Authors: | Robinson Tim Chandran Bennett Sathya Naidu G Nigam Poonam |
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Affiliation: | Laboratory of General and Agricultural Microbiology, Department of Agricultural Biotechnology, Agricultural University of Athens, Votanikos, Greece. |
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Abstract: | Yarrowia lipolytica LGAM S(7)1 presented remarkable growth on industrial glycerol used as sole carbon substrate. Nitrogen-limited flask cultures were accompanied by restricted synthesis of reserve lipid, whilst amounts of citric acid were produced extracellularly. On the contrary, high amounts of reserve lipid (up to 3.5 g/l, 43% w/w of lipids in dry biomass) were produced in highly aerated continuous cultures. Lipid production was favoured at low specific dilution rates whilst fat-free material yield increased over the whole range of D (h(-1)). The maximum volumetric productivity obtained was 0.12 g lipid/1 h. Storage lipid composition did not present remarkable changes in the specific dilution rates tested. Oleate and linoleate were the dominant cellular fatty acids. |
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