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090			_aB-20443
245	1	0	_aHydrogen production by sequential dark and photofermentation using wet biomass hydrolysate of Spirulina platensis: Response surface methodological approach
490	0		_vInternational Journal of Hydrogen Energy, 46(10), p.7137-7146, 2021
520	3		_aMicroalgae and cyanobacteria can be used as a potential biomass to produce hydrogen from stored glycogen and starch through fermentation and photofermentation. In this study, the potential of algal biomass i.e. Spirulina platensis hydrolysate as a substrate for sequential fermentative (I-stage)and photo-fermentative (II-stage)biohydrogen production was evaluated. Response Surface Methodology (RSM)was employed to find the optimum photofermentation conditions. From the preliminary optimization experiments, it was found that the significantly affecting factors for H2 production were pH, dilution fold (D.F.)of fermentate and Fe(II)sulfate concentration during photofermentation (second stage). In the present study, 1 percent (w/v)Spirulina platensis hydrolyzate produced 23.06 ± 3.63 mmol of H2 with yield of 1.92 ± 0.20 mmol H2/g COD reduced. In the second stage experiment 1510 ± 35 mL/l hydrogen was produced using inoculum volume-20.0 percent (v/v)and inoculum age-48 h of co-culture of Rhodobacter sphaeroides NMBL-01 and Bacillus firmus NMBL-03 under conditions pH-5.95, D.F. of dark fermentate-20.30 folds, Fe(II)sulfate concentration-0.412 ?M, temperature-32±2 °C and light intensity-2.5 klux.
650	1	4	_aALGAE
650	1	4	_aSPIRULINA PLATENSIS
650	1	4	_aBIOHYDROGEN
650	1	4	_aFERMENTATION
650	1	4	_aPHOTOFERMENTATION
650	1	4	_aRSM
700	1	2	_aPandey, A.
700	1	2	_aSinha, P.
700	1	2	_aPandey, A.
856	4	0	_uhttps://drive.google.com/file/d/1RtlH0gjAt_9I5Mh5h7DHNQw7O7TWqCaG/view?usp=drivesdk _zPara ver el documento ingresa a Google con tu cuenta: @cicy.edu.mx
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