Biotechnologies for bulk production of microalgal biomass: from mass cultivation to dried biomass acquisition

Biotechnology for Biofuels and Bioproducts

Review

Fengzheng Gao¹  Baosheng Ge²  Song Qin³  Wenjun Li³  Hongli Cui³  Kang Wang⁴ 

[1] Bioprocess Engineering, AlgaePARC, Wageningen University, P.O. Box 16, 6700 AA, Wageningen, Netherlands;Laboratory of Sustainable Food Processing, ETH Zürich, 8092, Zurich, Switzerland;Laboratory of Nutrition and Metabolic Epigenetics, ETH Zürich, 8603, Schwerzenbach, Switzerland;College of Chemical Engineering and Center for Bioengineering and Biotechnology, China University of Petroleum (East China), 266580, Qingdao, China;Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, No. 19, Chunhui Road, Laishan District, 264003, Yantai, Shandong, China;Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, No. 19, Chunhui Road, Laishan District, 264003, Yantai, Shandong, China;University of Chinese Academy of Sciences, 100049, Beijing, China;

关键词: Microalgal biotechnology;    Biomass;    Cultivation;    Harvesting;    Drying;    Biological contaminant control;   

DOI  :  10.1186/s13068-023-02382-4

 received in 2023-04-19, accepted in 2023-08-11,  发布年份 2023

来源: Springer

【 摘 要 】

Microalgal biomass represents a sustainable bioresource for various applications, such as food, nutraceuticals, pharmaceuticals, feed, and other bio-based products. For decades, its mass production has attracted widespread attention and interest. The process of microalgal biomass production involves several techniques, mainly cultivation, harvesting, drying, and pollution control. These techniques are often designed and optimized to meet optimal growth conditions for microalgae and to produce high-quality biomass at acceptable cost. Importantly, mass production techniques are important for producing a commercial product in sufficient amounts. However, it should not be overlooked that microalgal biotechnology still faces challenges, in particular the high cost of production, the lack of knowledge about biological contaminants and the challenge of loss of active ingredients during biomass production. These issues involve the research and development of low-cost, standardized, industrial-scale production equipment and the optimization of production processes, as well as the urgent need to increase the research on biological contaminants and microalgal active ingredients. This review systematically examines the global development of microalgal biotechnology for biomass production, with emphasis on the techniques of cultivation, harvesting, drying and control of biological contaminants, and discusses the challenges and strategies to further improve quality and reduce costs. Moreover, the current status of biomass production of some biotechnologically important species has been summarized, and the importance of improving microalgae-related standards for their commercial applications is noted.

【 授权许可】

CC BY   
© BioMed Central Ltd., part of Springer Nature 2023

【 图 表 】

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