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Microalgae based biofertilizers: A biorefinery approach to phycoremediate wastewater and harvest biodiesel and manure

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Title Microalgae based biofertilizers: A biorefinery approach to phycoremediate wastewater and harvest biodiesel and manure
Not Available
 
Creator S.A.Khan. G.K Sharma. F. A. Malla. A. Kumar. Rashmi. N. Gupta.
 
Subject Phycoremediation, Wastewater, Biorefinery, Chlorella Biodiesel, Biofertilizers
 
Description Not Available
The most important requirement of the agrarian advancement is resilient nutrient source for agriculture
without jeopardizing the environmental assets and economy of the country. An algal biorefinery
approach is the prime requirement for the sustainable production of biodiesel and biofertilizers after
remediation of wastewater. In the present study, the microalgae Chlorella minutissima, Scendesmus spp
and Nostoc muscorum and their consortium were used for the biorefinery approach. C. minutissima has
shown maximum phycoremediation potential when compared to other possible microalga and their
consortium. Experimental results showed that removal of NH4
þ-N, NO3
-N, PO4
3-P, TDS, BOD5 and COD
were found to be 92, 87, 85, 96, 90 and 81% respectively. The maximum dry biomass was observed in
C. minutissima followed by Scendesmus spp, and N. muscorum, i.e., 0.45 ± 0.01 g L 1, 0.44 ± 0.02 g L 1,
0.14 ± 0.03 g L 1 respectively. The nutrient fraction of nitrogen and phosphorus were maximum in
C. minutissima, i.e., 5.46 ± 0.27 and 0.85 ± 0.03 respectively. The lipid productivity recorded maximum in
Scendesmus (81.23 ± 4.5 mg L 1) followed by N. muscorum (14.29 ± 8.7 mg L 1) and C. minutissima
(11.33 ± 5.6 mg L 1). Using this biomass as manure one can save the chemical fertilizer of worth about
5584 $ (US Dollar) ha 1 yr 1. The present study not only supports the sustainable phytoremediation,
biodiesel production, and organic manure utilization directly but indirectly to combat climate change
scenario through minimizing greenhouse gases production.
Not Available
 
Date 2020-05-16T07:10:31Z
2020-05-16T07:10:31Z
2019-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/35699
 
Language English
 
Relation Not Available;
 
Publisher Elsevier