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<p>Microalgal biomass is utilized as a raw material in many industries, such as food, feed, nutraceuticals, biofuels, and wastewater treatment. Integration of mass production of algal biomass in dairy processing wastewater (DPWW) is suitable sustainable biorefinery products conversion in a circular bioeconomy approach. Data show that microalga <i>Neochloris sp.</i>, can remove COD with a maximum efficiency of 92%. Nitrogen and phosphate removal were 93.2% and 63%, respectively. The maximum biomass obtained is 1.6&#xa0;g L<sup>− 1</sup>, with a 26.8% DCW lipid. The chlorophyll, carotenoids, proteins, and polysaccharides obtained from <i>Neochloris sp</i>. are 29, 16.9 mg g<sup>− 1</sup> DW, 42.2%, and 29.4%, respectively. The oil profile of alga demonstrated that C12, C14, C16, C18, C18:2, C18:1, C20:1, C20:0, and C22:0 were the main fatty acids. These fatty acids have applications as anti-microbial, biofuels, animal feeds, pharmaceuticals and nutraceuticals. Microalgae can be developed as biocatalysts for the bioremediation of pollutants from the dairy processing industry and produce low-cost biomass, while also offering multiple benefits to biofuel sectors and the environment.</p>

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Sustainable microalgae cultivation and resource recovery from dairy processing wastewater for high value bioproducts and pollutant removal

  • 期刊论文

  • 发表日期：

    2026年1月2日

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  • Sabeela Beevi Ummalyma

摘要

Microalgal biomass is utilized as a raw material in many industries, such as food, feed, nutraceuticals, biofuels, and wastewater treatment. Integration of mass production of algal biomass in dairy processing wastewater (DPWW) is suitable sustainable biorefinery products conversion in a circular bioeconomy approach. Data show that microalga Neochloris sp., can remove COD with a maximum efficiency of 92%. Nitrogen and phosphate removal were 93.2% and 63%, respectively. The maximum biomass obtained is 1.6 g L− 1, with a 26.8% DCW lipid. The chlorophyll, carotenoids, proteins, and polysaccharides obtained from Neochloris sp. are 29, 16.9 mg g− 1 DW, 42.2%, and 29.4%, respectively. The oil profile of alga demonstrated that C12, C14, C16, C18, C18:2, C18:1, C20:1, C20:0, and C22:0 were the main fatty acids. These fatty acids have applications as anti-microbial, biofuels, animal feeds, pharmaceuticals and nutraceuticals. Microalgae can be developed as biocatalysts for the bioremediation of pollutants from the dairy processing industry and produce low-cost biomass, while also offering multiple benefits to biofuel sectors and the environment.