Growth and nutrient removal in free and immobilized planktonic green algae isolated from pig manure

Jiménez-Pérez, M.V; Castillo, Pedro Miguel Sánchez; Romera, Otilia; Fernández-Moreno, David; Pérez‐Martínez, Carmen

doi:10.1016/j.enzmictec.2003.07.010

Cited by 180 publications

(69 citation statements)

References 31 publications

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“…Estos pretratamientos permiten disminuir la demanda biológica de oxigeno (DBO) del estiércol líquido y su contenido de amonio, también estabilizan su pH, siendo estas condiciones indispensables para el desarrollado adecuado de las microalgas (Costa et al, 2000;Olguín et al, 2001;Jiménez-Pérez et al, 2004;Kebede-Westhead et al, 2004;Wang et al, 2010). Específicamente, Rosales et al, (2007) recomiendan pretratar aeróbicamente la fracción soluble de gallinaza o lixiviado para viabilizar su uso en el cultivo de la microalga Chlorella sorokiniana.…”

Section: Introductionunclassified

Evaluación del crecimiento de la microalga chlorella sorokiniana en diferentes medios de cultivo en condiciones autotroficas y mixotroficas

et al. 2012

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ResumenChlorella sorokiniana es una microalga con alto potencial biotecnológico por su capacidad de sintetizar ácidos grasos de interés industrial, rápido crecimiento y capacidad de adaptación a diferentes fuentes de nutrientes tanto en regímenes autotróficos como mixotroficos e inclusive heterotróficos. El objetivo de este trabajo fue identificar el medio de cultivo que permitiera un máximo crecimiento de C. sorokiniana para su producción masiva. Se evaluaron los medios de cultivo Sueoka, Guillard y Remital (fertilizante NPK: 1, 2, 3, 4, 5g/L), que ofrecen nutrientes en condiciones autotróficas y lixiviado de gallinaza en concentraciones del 30, 50 y 80%, en régimen mixotrófico. Se registró una densidad celular máxima en medio Remital de 86,5±0,75 x 10 7 células/ml y una velocidad específica de crecimiento media de 0,3 generaciones/ día. Los test estadísticos de Tukey y Fisher indicaron que el Remital fue el mejor medio de cultivo y las condiciones autotróficas fueron ideales para el crecimiento de C. sorokiniana. El uso de altas concentraciones de Remital no mejoro significativamente el crecimiento de la microalga. Por tanto, se recomienda el uso de Remital en bajas concentraciones (1g/L) como la mejor opción para la producción masiva de biomasa de C. sorokiniana. Palabras claves:Chlorella sorokiniana, densidad celular, lixiviado de gallinaza, mixotrofia, autotrofia. AbstractChlorella sorokiniana is a microalgae having great biotechnological potential due to its ability to synthesise fatty acids having industrial interest, rapid growth and the ability to adapt to differing nutrient sources in both autotrophic and mixotrophic regimens, and even heterotrophic ones. This work was aimed at identifying the culture medium which would lead ARTÍCULO ORIGINAL/ORIGINAL ARTICLE

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Section: Introductionunclassified

Evaluación del crecimiento de la microalga chlorella sorokiniana en diferentes medios de cultivo en condiciones autotroficas y mixotroficas

et al. 2012

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“…But, algae and aquatic plants offer a realistic time frame for the nutrient recovery from eutrophic water and other contaminated waters rather than the P removal from the soils, and also require less than one-tenth of the area to recover phosphorus compared to terrestrial crops [116]. The characteristic advantages of the system has made the algal ponds and macrophyte wetlands more popular for environmental applications including herbicides [117], heavy metals [118] and antibiotics [119] removal, and is already been explored widely for varieties of wastewater types including animal manure [120]. Anaerobic treatment of manure results in digestate which requires further treatment before discharge, especially for the removal of P and N. Growing microalgae or macrophytes on the anaerobic effluent could be a commendable option considering the valuable byproducts and process efficiency.…”

Section: Phytoremediationmentioning

confidence: 99%

“…Anaerobically treated swine manure has proved to be good medium for algae growth [120][121][122]. Microalgae with its rapid growth potential, better adaptation to various ecological habitats and as an important feedstock for third generation biofuel, can be a best suited strain to grow in the waste waters for its valuable biomass and the nutrient recovery.…”

Section: Algae For Phosphorous Recoverymentioning

confidence: 99%

“…Pretreatment steps like dilution to avoid inhibition and sterilization to prevent the contamination may be required for certain algae systems [121]. Raw and anaerobically digested swine manure has been treated widely by (1) suspended algae in (i) high rate pond systems [128][129][130][131], (ii) mixed algae systems [132] and (iii) mixed algae-bacterial systems [133] or (2) by immobilized algae [120], e.g., algal turf scrubber units [134][135][136]. The harvested algae can be a good high-grade protein supplement for animal feed and also can be used as a slow-release fertilizer [136] which can be directly sprayed as suspension in farm land or stored for future use [137].…”

Section: Algae For Phosphorous Recoverymentioning

confidence: 99%

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Phosphorus Removal and Recovery from Digestate after Biogas Production

Lin¹,

Gan²,

Rajendran³

et al. 2015

Biofuels - Status and Perspective

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“…It is prudent to select strains from the local environment for culture in local conditions (Jimenez-Perez et al 2004;Mata et al 2010). High biomass productivity is important both for lipid productivity and the ability to compete with contaminating strains (Fig.…”

Section: Electronic Supplementary Materialsmentioning

confidence: 99%

Lipid accumulation and anti-rotifer robustness of microalgal strains isolated from Eastern China

et al. 2017

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Large-scale production of biofuels and other highvalue products from microalgae focuses on strain selection with desired characteristics such as high lipid productivity and robustness. However, microalgae often suffer severe biomass losses due to contamination that comes in the form of herbivores, especially rotifers. In this study, we found that the total lipid content of 54 microalgal strains from Eastern China ranged from 12.6 to 59.9% of dry cell weight (dw), with an average of 35.4% dw. Lipid productivity of these microalgal strains varied from 0.04 to 0.14 g L −1 day, and 15 showed lipid production rates over 0.10 g L −1 day −1. The fatty acid profiles of 34 microalgal strains with lipid content over 40% dw were analyzed by gas chromatography. We found that the amount of C18:1 increased with increasing total lipid content, whereas C14:0 and C16:0 showed a negative correlation to the total amount of lipids. An experimental rotifer-microalgae predator-prey model was constructed, and the anti-rotifer robustness of these microalgal strains was evaluated. We found that Didymogenes sp. HN-4 can depress the growth of rotifers significantly. This study demonstrates the biodiversity of the native Chinese microalgae in lipid productivity and robustness, which lays the groundwork for mass algal culture.

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Growth and nutrient removal in free and immobilized planktonic green algae isolated from pig manure

Cited by 180 publications

References 31 publications

Evaluación del crecimiento de la microalga chlorella sorokiniana en diferentes medios de cultivo en condiciones autotroficas y mixotroficas

Evaluación del crecimiento de la microalga chlorella sorokiniana en diferentes medios de cultivo en condiciones autotroficas y mixotroficas

Phosphorus Removal and Recovery from Digestate after Biogas Production

Lipid accumulation and anti-rotifer robustness of microalgal strains isolated from Eastern China

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