Screening of Fresh Water Microalgae from Eastern Region of India for Sustainable Biodiesel Production

Nayak, Manoranjan; Jena, Jayashree; Bhakta, S.; Rath, Swagat S.; Sarika, Chandragiri; Rao, B. Venkateswara; Pradhan, Nilotpala; Thirunavoukkarasu, M.; Mishra, Santosh Kumar; Panda, Prasanna Kumar; Prasad, R. B. N.; Sukla, Lala Behari; Mishra, B.K.

doi:10.1080/15435075.2011.588764

Cited by 26 publications

(5 citation statements)

References 36 publications

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“…The lipid content of the algal biomass was determined gravimetrically. The fatty acid composition in algal oil was carried out as per the procedure reported earlier [26].…”

Section: Growth Kinetic Parameters and Co 2 Consumption Ratementioning

confidence: 99%

Maximizing Biomass Productivity and CO2 Biofixation of Microalga, Scenedesmus sp. by Using Sodium Hydroxide

Nayak¹

2013

J. Microbiol. Biotechnol.

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A series of experiments were carried out with three native strains of microalgae to measure growth rates, biomass, and lipid productivities. Scenedesmus sp. IMMTCC-6 had better biomass growth rate and higher lipid production. The growth, lipid accumulation, and carbon dioxide (CO2) consumption rate of Scenedesmus sp. IMMTCC-6 were tested under different NaOH concentrations in modified BBM. The algal strain showed the maximum specific growth rate (0.474/day), biomass productivity (110.9 mg l(-1) d(-1)), and CO2 consumption rate (208.4 mg l(-1) d(-1)) with an NaOH concentration of 0.005 M on the 8(th) day of cultivation. These values were 2.03-, 6.89-, and 6.88-fold more than the algal cultures grown in control conditions (having no NaOH and CO2). The CO2 fixing efficiency of the microalga with other alternative carbon sources like Na2CO3 and NaHCO3 was also investigated and compared. The optimized experimental parameters at shake-flask scale were implemented for scaling up the process in a self-engineered photobioreactor. A significant increase in lipid accumulation (14.23% to 31.74%) by the algal strain from the logarithmic to stationary phases was obtained. The algal lipids were mainly composed of C16/C18 fatty acids, and are desirable for biodiesel production. The study suggests that microalga Scenedesmus sp. IMMTCC-6 is an efficient strain for biodiesel production and CO2 biofixation using stripping solution of NaOH in a cyclic process.

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“…The lipid content of the algal biomass was determined gravimetrically. The fatty acid composition in algal oil was carried out as per the procedure reported earlier [26].…”

Section: Growth Kinetic Parameters and Co 2 Consumption Ratementioning

confidence: 99%

Maximizing Biomass Productivity and CO2 Biofixation of Microalga, Scenedesmus sp. by Using Sodium Hydroxide

Nayak¹

2013

J. Microbiol. Biotechnol.

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“…A self-designed simple rectangular photobioreactor with a working volume of 12 L was used for microalgae cultivation (Nayak et al, 2011) and maintained at a temperature of 25 ± 1°C. A fluorescent lamp in an enclosed glass tube submerged in the culture medium was used to provide continuous light (24 h) of around 60 µmol photons m -2 day -1 at the surface of the photobioreactor.…”

Section: Photobioreactor (Pbr) Operationmentioning

confidence: 99%

Cultivation of freshwater microalga <i>Scenedesmus</i> sp. using a low-cost inorganic fertilizer for enhanced biomass and lipid yield

Nayak

Thirunavoukkarasu

Mohanty

2016

J. Gen. Appl. Microbiol.

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“…E-mail: zhuxun@cqu.edu.cn Color versions of one or more of the figures in the article can be found online at www.tandfonline.com/ljge. and valuable by-products (Nayak et al 2011;Gaurav, Srivastava, Singh 2012;Singh and Sharma 2012) with higher rates (Ong et al 2010;Kao et al 2012). Furthermore, microalgae growth will not compete with food crops for land.…”

Section: Introductionmentioning

confidence: 98%

Numerical Simulation of Light/Dark Cycle Frequency of Microalgae Fluid in a Helical Tubular Photobioreactor for Carbon Dioxide Capture

Zhu

Chen

et al. 2015

International Journal of Green Energy

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In the present study, three-dimensional numerical simulations are conducted on hydrodynamics and light-intensity distribution of microalgae fluid flow in a helical tubular photobioreactor for CO 2 capture. The effect of incident direction of the light illumination is discussed and the light/dark cycle frequency experienced by the microalgae fluid in the cross-section of the photobioreactor is investigated. The simulation results reveal the steadily nonhorizontal and unsymmetrical Dean roll-cells of the microalgae fluid flow in the cross-section of the helical tube. The external light projecting onto the helical tubular photobioreactor from the center is a better way for microalgae cultivation. The light/dark cycle frequency of the microalgae fluid flow is calculated based on the light-intensity distribution inside the photobioreactor. The light/dark cycle frequency keeps constant for the same stream trace of the microalgae flow while varies with different flow regions. Meanwhile, the light/dark cycle frequency increases with the increase in microalgae fluid velocity. The suitable demarcation between the light and the dark zone depends on the shape and the location of the Dean roll-cells.

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Screening of Fresh Water Microalgae from Eastern Region of India for Sustainable Biodiesel Production

Cited by 26 publications

References 36 publications

Maximizing Biomass Productivity and CO2 Biofixation of Microalga, Scenedesmus sp. by Using Sodium Hydroxide

Maximizing Biomass Productivity and CO2 Biofixation of Microalga, Scenedesmus sp. by Using Sodium Hydroxide

Cultivation of freshwater microalga <i>Scenedesmus</i> sp. using a low-cost inorganic fertilizer for enhanced biomass and lipid yield

Numerical Simulation of Light/Dark Cycle Frequency of Microalgae Fluid in a Helical Tubular Photobioreactor for Carbon Dioxide Capture

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