Maximizing biomass productivity and cell density of Chlorella vulgaris by using light-emitting diode-based photobioreactor

Fu, Weiqi; Guðmundsson, Ólafur; Feist, Adam M.; Herjolfsson, G.; Brynjólfsson, Sigurður; Palsson, Bernhard Ø.

doi:10.1016/j.jbiotec.2012.07.004

Cited by 137 publications

(89 citation statements)

References 35 publications

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“…In the majority of previous studies of cultivation of C. vulgaris, the maximum biomass concentration ranged from 800 to 1,200 mg/L [10,11,[16][17][18][19][20][21], although some studies reported much higher concentrations of 1,500 to 12,000 mg/L [22][23][24][25]. However, a range of 800 to 1,200 mg/L can be considered a practically achievable concentration of microalgae in a PBR if we exclude some of the previous cases in which an extremely high biomass concentration was achieved.…”

Section: Optimum Microalgae Concentration In a Membrane Photobioreactormentioning

confidence: 99%

Optimization of Hydraulic Retention Time and Biomass Concentration in Microalgae Biomass Production from Treated Sewage with a Membrane Photobioreactor

Honda

Teraoka

Noguchi

et al. 2017

J. of Wat. & Envir. Tech.

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Treated sewage is a promising source of nitrogen and phosphorus in microalgae biomass production for carbon-neutral biofuel and chemical products. In this study, Chlorella vulgaris was continuously cultivated in membrane photobioreactors (MPBRs) under short hydraulic retention times (HRTs) and with different numbers of submerged membrane modules to investigate potential microalgae productivity when treated sewage was used as a nutrient source. Microalgae biomass concentrations were independent of HRT in MPBRs with one membrane module owing to microalgae biomass deposition on the membrane. Installation of an additional submerged membrane module effectively reduced deposition on the submerged membrane, resulting in increased microalgae biomass concentration and volumetric productivity. Growth kinetics suggested that HRT is the essential parameter influencing the volumetric productivity of microalgae under nutrient-limited conditions, and that optimization of the biomass concentration, which depends on the surface/volume ratio of the photobioreactor and initial light intensity, is critical to maximization of the volumetric productivity under light-limited conditions.

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Section: Optimum Microalgae Concentration In a Membrane Photobioreactormentioning

confidence: 99%

Optimization of Hydraulic Retention Time and Biomass Concentration in Microalgae Biomass Production from Treated Sewage with a Membrane Photobioreactor

Honda

Teraoka

Noguchi

et al. 2017

J. of Wat. & Envir. Tech.

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“…large open ponds, enclosed flat-plate PBRs, vertical column PBRs, panel PBRs and smaller indoor PBRs. Algae cultivated in large outdoor photobioreactors can be used for the production of some bioactive substances (Fu et al 2012). Small indoor bioreactors are often used for laboratory experiments or growth analysis of algal cultures using different indicators, such as e.g.…”

Section: Introductionmentioning

confidence: 99%

Temperature-dependent growth rate and photosynthetic performance of Antarctic symbiotic alga Trebouxia sp. cultivated in a bioreactor

Balarinová¹,

Váczi²,

Barták

et al. 2013

Czech Polar Rep.

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Optimum growth temperature of Trebouxia sp. (re-classified as Asterochloris sp. recently), a symbiotic lichenized alga was evaluated using a batch culture cultivated in a bioreactor. The algae were isolated from lichen thalli of Usnea antarctica collected at the James Ross Island, Antarctica in February 2012. The algae were isolated under laboratory conditions and then cultivated on agar medium at 5°C. When sufficiently developed, the algae were suspended in a BBM liquid medium and cultivated in a photobioreactor for 33 days at either 15, or 10°C. During cultivation, optical density (OD) characterizing culture growth, and effective quantum yield of photosystem II ( PSII ) characterizing photosynthetic performance were measured simultaneously. Thanks to higher  PSII values, faster growth was achieved at 10 o C than 15 o C indicating that Trebouxia sp. might be ranked among psychrotolerant species. Such conclusion is supported also by a higher specific growth rate found during exponential phase of culture growth. The results are discussed and compared to available data on temperaturedependent growth of polar microalgae.Key words: Usnea antarctica, chlorophyll fluorescence, lichen, effective quantum yield, James Ross Island, psychrotolerance, Asterochloris Abbreviations:  PSII -effective quantum yield of photosystem II,  -specific growth rate, OD -optical density, PBRr -photobioreactors

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“…Results of (24) indicate there was higher amount of biomass (measured as dried biomass) when use yellow, white and red light after 7 days of growth than in blue, green and purple light (light intensity 100 μmol/m 2 /s). By (25), the red light is commonly suggested as optimal for biomass productivity in Ch. vulgaris (this microalga has a high concentration of chlorophyll and hence absorbs efficiently in the red wavelength area).…”

Section: Effect Of Lightmentioning

confidence: 99%

Cultivation Of Microalgae (Chlorella vulgaris) For Biodiesel Production

Blinová

Bartošová

Gerulová

2015

Research Papers Faculty of Materials Science and Technology Slovak University of Technology

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Maximizing biomass productivity and cell density of Chlorella vulgaris by using light-emitting diode-based photobioreactor

Cited by 137 publications

References 35 publications

Optimization of Hydraulic Retention Time and Biomass Concentration in Microalgae Biomass Production from Treated Sewage with a Membrane Photobioreactor

Optimization of Hydraulic Retention Time and Biomass Concentration in Microalgae Biomass Production from Treated Sewage with a Membrane Photobioreactor

Temperature-dependent growth rate and photosynthetic performance of Antarctic symbiotic alga Trebouxia sp. cultivated in a bioreactor

Cultivation Of Microalgae (Chlorella vulgaris) For Biodiesel Production

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