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UID:20250813T115240EDT-7514eE9Tn6@132.216.98.100
DTSTAMP:20250813T155240Z
DESCRIPTION:PhD Oral Defence of Bhalamurugan Gatamaneni Loganathan\, Biores
 ource Engineering\n\nThe current research evaluated the influence of vario
 us media (BG11\, MN8\, MZM) including simulated dairy wastewater (10D\, 10
 D+Y) on the growth\, biomass productivity and lutein content of an under-e
 xamined algal strain Chlorella variabilis. The study demonstrated that the
  algal strain performed better in 10D with a biomass productivity of 0.037
  g/L/day and enhanced lutein content to 9.6 mg/g. The results from this st
 udy also proved that 10D could be used as a cultivation medium for the lar
 ge scale production of the alga with huge economic benefits. In order to o
 vercome the problems associated with culture crashes\, it was decided to e
 mploy a microalgal consortia for further studies. The effect of light wave
 lengths (blue\, red\, amber\, amber+blue and cool-fluorescent) on the grow
 th\, biomass productivity\, and lutein content of the microalgal consortia
  composed of Chlorella variabilis and Scenedesmus obliquus cultivated on s
 imulated dairy wastewater was evaluated and the results showed that cool f
 luorescent light was the best choice with a biomass productivity of 0.042 
 g/L/day and lutein content of 7.22 mg/g when compared to other light treat
 ments. A Central Composite design was employed to optimize the biomass pro
 ductivity\, lutein content and pollutant removal capability of the microal
 gal consortia with respect to inoculum concentration\, light intensity and
  time. It was found that at optimal conditions of 40% inoculum concentrati
 on\, 25 µmol m-2s-1 and time of 10 days\, the microalgal consortia had a b
 iomass productivity of 29.13 mg/L/day and lutein content of 12.59 mg/g. Th
 e lutein content exhibited in this study is the highest ever reported for 
 any microalgal consortia studied so far and could be a commercial source o
 f lutein in the future. Finally\, based on the results obtained from the o
 ptimization study\, the effect of the microalgal consortia as a biofertili
 zer on the plant growth of corn and soybean was also evaluated. The result
 s demonstrated that 40% algal concentration showed better plant growth in 
 both corn and soybean with improved secondary characteristics when compare
 d to other treatments. Overall\, the thesis showed that the microalgal con
 sortia of Chlorella variabilis and Scenedesmus obliquus could be the first
  of its kind with the potentiel of being incorporated into a biorefinery c
 oncept with huge multifaceted benefits.\n\nEveryone in the 9IÖÆ×÷³§Ãâ·Ñ communit
 y is welcome to attend a PhD Oral Defence. Please join us in celebrating t
 he accomplishments of our PhD candidates.\n
DTSTART:20200325T171500Z
DTEND:20200325T171500Z
LOCATION:R2-013\, Raymond Building\, CA\, QC\, St Anne de Bellevue\, H9X 3V
 9\, 21111 Lakeshore Road
SUMMARY:PhD Oral Defence: Micro-algae assisted bioremediation of simulated 
 dairy effluent and valorization
URL:/macdonald/channels/event/phd-oral-defence-micro-a
 lgae-assisted-bioremediation-simulated-dairy-effluent-and-valorization-320
 905
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