Microalgae Cultivation for the Biotransformation of Birch Wood Hydrolysate and Dairy Effluent. Lage, S., Kudahettige, N., Ferro, L., Matsakas, L., Funk, C., Rova, U., & Gentili, F. Catalysts, 9(2):150, February, 2019. ![Microalgae Cultivation for the Biotransformation of Birch Wood Hydrolysate and Dairy Effluent [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex In order to investigate environmentally sustainable sources of organic carbon and nutrients, four Nordic green microalgal strains, Chlorella sorokiniana, Chlorella saccharophila, Chlorella vulgaris, and Coelastrella sp., were grown on a wood (Silver birch, Betula pendula) hydrolysate and dairy effluent mixture. The biomass and lipid production were analysed under mixotrophic, as well as two-stage mixotrophic/heterotrophic regimes. Of all of the species, Coelastrella sp. produced the most total lipids per dry weight (~40%) in the mixture of birch hydrolysate and dairy effluent without requiring nutrient (nitrogen, phosphorus, and potassium—NPK) supplementation. Overall, in the absence of NPK, the two-stage mixotrophic/heterotrophic cultivation enhanced the lipid concentration, but reduced the amount of biomass. Culturing microalgae in integrated waste streams under mixotrophic growth regimes is a promising approach for sustainable biofuel production, especially in regions with large seasonal variation in daylight, like northern Sweden. To the best of our knowledge, this is the first report of using a mixture of wood hydrolysate and dairy effluent for the growth and lipid production of microalgae in the literature.
@article{lage_microalgae_2019,
title = {Microalgae {Cultivation} for the {Biotransformation} of {Birch} {Wood} {Hydrolysate} and {Dairy} {Effluent}},
volume = {9},
issn = {2073-4344},
url = {http://www.mdpi.com/2073-4344/9/2/150},
doi = {10/gjb3cx},
abstract = {In order to investigate environmentally sustainable sources of organic carbon and nutrients, four Nordic green microalgal strains, Chlorella sorokiniana, Chlorella saccharophila, Chlorella vulgaris, and Coelastrella sp., were grown on a wood (Silver birch, Betula pendula) hydrolysate and dairy effluent mixture. The biomass and lipid production were analysed under mixotrophic, as well as two-stage mixotrophic/heterotrophic regimes. Of all of the species, Coelastrella sp. produced the most total lipids per dry weight ({\textasciitilde}40\%) in the mixture of birch hydrolysate and dairy effluent without requiring nutrient (nitrogen, phosphorus, and potassium—NPK) supplementation. Overall, in the absence of NPK, the two-stage mixotrophic/heterotrophic cultivation enhanced the lipid concentration, but reduced the amount of biomass. Culturing microalgae in integrated waste streams under mixotrophic growth regimes is a promising approach for sustainable biofuel production, especially in regions with large seasonal variation in daylight, like northern Sweden. To the best of our knowledge, this is the first report of using a mixture of wood hydrolysate and dairy effluent for the growth and lipid production of microalgae in the literature.},
language = {en},
number = {2},
urldate = {2021-06-07},
journal = {Catalysts},
author = {Lage, Sandra and Kudahettige, Nirupa and Ferro, Lorenza and Matsakas, Leonidas and Funk, Christiane and Rova, Ulrika and Gentili, Francesco},
month = feb,
year = {2019},
pages = {150},
}
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Of all of the species, Coelastrella sp. produced the most total lipids per dry weight (~40%) in the mixture of birch hydrolysate and dairy effluent without requiring nutrient (nitrogen, phosphorus, and potassium—NPK) supplementation. Overall, in the absence of NPK, the two-stage mixotrophic/heterotrophic cultivation enhanced the lipid concentration, but reduced the amount of biomass. Culturing microalgae in integrated waste streams under mixotrophic growth regimes is a promising approach for sustainable biofuel production, especially in regions with large seasonal variation in daylight, like northern Sweden. 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