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IJBT Vol.06(1) [January 2007] >


Title: Nitrogen and phosphorous scavenging potential in microalgae
Authors: Singh, Nirbhay Kumar
Dhar, Dolly Wattal
Keywords: nutrients
scavenging
potential
microalgae
nitrogen
phosphorus
Issue Date: Jan-2007
Publisher: CSIR
IPC CodeInt. Cl. ⁸ C02F3/32
Abstract: Growth potential and N and P scavenging ability was examined in microalgal strains grown under secondary treated sewage effluent. The mean dry weight and the pigments were highest in microalgae under standard BG-11 medium in comparison to those grown in sewage effluent. There was a marked reduction in available nitrogen and phosphorous with the growth of microalgae in the sewage water. A significant correlation coefficient between N and P removal and dry weight and pigments has indicated the usefulness of sewage effluent for cultivation of microalgae with the efficient N and P scavenging ability. Chlorella vulgaris was most efficient in scavenging ammonical nitrogen while nitrate-scavenging ability was highest in Oscillatoria. All the microalgal genera also removed available phosphorous efficiently.
Page(s): 52-56
ISSN: 0972-5849
Source: IJBT Vol.06(1) [January 2007]

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