Spirulina platensis Growth in Open Raceway Ponds Using Fresh Water Supplemented with Carbon, Nitrogen and Metal Ions

Costa, Jorge Alberto Vieira; Colla, Luciane Maria; Filho, Paulo Duarte Guimarães

doi:10.1515/znc-2003-1-214

Cited by 44 publications

(3 citation statements)

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“…A. platensis species has the ability to exist and grow in various types of water like seawater [28], freshwater [29], aquaculture wastewater [30], industrial wastewater [31], agriculture wastewater [32], and domestic wastewater [33]. A. platensis is a filamentous, spiral-shaped, blue-green alga that culture in alkaline water, with pH up to 11 [20].…”

Section: Introductionmentioning

confidence: 99%

Potential Applications of Native Cyanobacterium Isolate (Arthrospira platensis NIOF17/003) for Biodiesel Production and Utilization of Its Byproduct in Marine Rotifer (Brachionus plicatilis) Production

et al. 2021

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To achieve strong, successful and commercial aqua-biotechnological microalgae applications, screening, isolation, molecular identification, and physiological characterizations are needed. In the current study, a native cyanobacteria strain Arthrospira platensis NIOF17/003 was isolated from the surface water of El-Khadra Lake, a saline-alkaline lake located in Wadi El-Natrun, Egypt. The cyanobacterium was phylogenetically identified by 16S rRNA molecular marker and deposited in the GenBank database (accession number MW396472). The late exponential phase of A. platensis NIOF17/003 was reached at the 8th day of growth using Zarrouk medium, with a recorded dry weight (DW) of 0.845 g L−1. The isolated strain showed 52% of protein, 14% of carbohydrate, biomass productivity of 143.83 mg L−1 day−1, 8.5% of lipid, and lipid productivity of 14.37 mg L−1 day−1. In general, the values of cetane number, iodine value, cold filter plugging point (52.9, 85.5 g I2/100 g oil, and −2.2 °C, respectively) of the isolated fatty acid methyl esters are in accordance with those suggested by international standards. Besides, applying algal-free lipid (FL) as biodiesel byproduct in the production of rotifer (Brachionus plicatilis) revealed that a 0.6 g L−1 FL significantly increased the rotifer population females carrying eggs, confirming that FL can be used efficiently for B. plicatilis production. The current study concluded that the new isolate A. platensis NIOF17/003 is a promising strain for double sustainable use in biodiesel production and aquaculture feed.

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Section: Introductionmentioning

confidence: 99%

Potential Applications of Native Cyanobacterium Isolate (Arthrospira platensis NIOF17/003) for Biodiesel Production and Utilization of Its Byproduct in Marine Rotifer (Brachionus plicatilis) Production

et al. 2021

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“…The higher concentration value was in accordance with those achievable in open ponds and closed PBRs alike prior to harvesting. 47 , 48 Additionally, to evaluate any potential impact of photosynthesis on biogas upgrading, experiments were performed under continuous illumination between 3 and 5 klux (40.5–67.5 μmol m –2 s –1 ) (similar to those used for Spirulina cultivation). For ease of following the paper, from this point forward, all low-algal-concentration experiments will be denoted as LON and all those with high algal concentrations will be denoted as HON.…”

Section: Experiments and Methodsmentioning

confidence: 99%

Design, Commissioning, and Performance Assessment of a Lab-Scale Bubble Column Reactor for Photosynthetic Biogas Upgrading with Spirulina platensis

Bose

O’Shea

Lin

et al. 2021

Ind. Eng. Chem. Res.

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The two-step bubble column-photobioreactor photosynthetic biogas upgrading system can enable simultaneous production of biomethane and value-added products from microalgae. However, due to the influence of a large number of variables, including downstream processes and the presence of microalgae, no unanimity has been reached regarding the performance of bubble column reactors in photosynthetic biogas upgrading. To investigate this further, the present work documents in detail, the design and commissioning of a lab-scale bubble column reactor capable of treating up to 16.3 L/h of biogas while being scalable. The performance of the bubble column was assessed at a pH of 9.35 with different algal densities of Spirulina platensis at 20 °C in the presence of light (3–5 klux or 40.5–67.5 μmol m –2 s –1 ). A liquid/gas flow (L/G) ratio of 0.5 allowed consistent CO 2 removal of over 98% irrespective of the algal density or its photosynthetic activity. For lower concentrations of algae, the volumetric O 2 concentration in the upgraded biomethane varied between 0.05 and 0.52%, thus providing grid quality biomethane. However, for higher algal concentrations, increased oxygen content in the upgraded biomethane due to both enhanced O 2 stripping and the photosynthetic activity of the microalgae as well as clogging and foaming posed severe operational challenges.

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“…The present study deals with the application of artificial intelligence techniques coupled with Box-Behnken (BB) design to model the process parameters for biosorption of cadmium below 1 ppm using live Spirulina (Arthrospira) sp. (A. indica, A. maxima and A. platensis) as adsorbent in lab scale open race way pond (0.5 m long, 0.4 m wide and 0.075 m deep) with Zarrouk medium [13,14]. A continuous process is developed for desorption of cadmium from Spirulina (Arthrospira) plantensis.…”

Section: Introductionmentioning

confidence: 99%

Applications of Box–Behnken experimental design coupled with artificial neural networks for biosorption of low concentrations of cadmium using Spirulina (Arthrospira) spp.

Madhu¹,

Kiran²,

Kalpana³

et al. 2017

REFFIT

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The present study deals with the application of artificial intelligence techniques coupled with Box–Behnken (BB) design to model the processparameters for biosorption of cadmium using live Spirulina (Arthrospira) spp. as adsorbent in open race way pond with Zarrouk medium. Thebiomass concentration of Spirulina spp. decreased to half at 4 ppm Cd (II) after 8 days. Based on the LCt50 values, 3.69 ppm (8th day),Spirulina (Arthospira) maxima showed maximum tolerance. Considerable growth and bioaccumulation of Spirulina spp. is observed below1 ppm and tolerant up to 3 ppm. The cadmium adsorption on Spirulina spp. showed good correlation (R2 = 0.99) when applied to Freundlichequation and data fit into pseudo second order kinetics. A four factorial, three blocks and three level Box–Behnken design with initialconcentration (1 ppb to 5 ppb), biosorbant dosage (0.1 gdw to 0.2 gdw), agitation speed (12 rpm to 16 rpm) and pH (6 to 8) as independentvariables and percentage adsorption as dependent variable were selected for study. The data were further processed using artificial neuralnetwork model and DIRECT algorithm for better optimization. The final Cd (II) concentration of <0.5 ppb was achieved with 1 ppb initialconcentration under optimal conditions. A continuous desorption process was also developed for removal of cadmium from Spirulina (Arthrospira)sp.

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Spirulina platensis Growth in Open Raceway Ponds Using Fresh Water Supplemented with Carbon, Nitrogen and Metal Ions

Cited by 44 publications

References 1 publication

Potential Applications of Native Cyanobacterium Isolate (Arthrospira platensis NIOF17/003) for Biodiesel Production and Utilization of Its Byproduct in Marine Rotifer (Brachionus plicatilis) Production

Potential Applications of Native Cyanobacterium Isolate (Arthrospira platensis NIOF17/003) for Biodiesel Production and Utilization of Its Byproduct in Marine Rotifer (Brachionus plicatilis) Production

Design, Commissioning, and Performance Assessment of a Lab-Scale Bubble Column Reactor for Photosynthetic Biogas Upgrading with Spirulina platensis

Applications of Box–Behnken experimental design coupled with artificial neural networks for biosorption of low concentrations of cadmium using Spirulina (Arthrospira) spp.

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