" High value-added chemicals and BIoreSIns from alGae biorefineries produced from CO2 provided by industrial emissions "

TECHNICAL ARTICLES

In this section, you can access to the latest technical information related to the BISIGODOS project topic.

New method for algae comprehensive utilization: Algae-derived biochar enhances algae anaerobic fermentation for short-chain fatty acids production

Interest in the resource utilization of algae has gradually increased due to the frequent occurrence of harmful algal blooms. Here, biochar derived from algae was applied to algae anaerobic fermentation for short-chain fatty acids (SCFAs) production. In the presence of algae-derived biochar, the concentration of SCFAs within 4?d (4334?mg COD/L) was approximately doubled compared to the control (2016?mg COD/L), and the fermentation time for maximal SCFAs yield was shortened. Biochar improved the disruption of algae to release more intracellular macromolecular organics. Altering algae hydrolysis, the activity of hydrolase and the contents of functional gene were advantageous to SCFAs accumulation by providing more micromolecular organics in the presence of biochar. Additionally, the relative abundance and survival of acid-forming bacteria were enhanced significantly. Furthermore, biochar accelerated the electron transport and energy synthesis in the biological system, driving the biological reactions that allow microorganisms to function and life to flourish.

» Author: Xu Duan, Yunzhi Chen, Yuanyuan Yan, Leiyu Feng, Yinguang Chen, Qi Zhou

» Reference: 10.1016/j.biortech.2019.121637

» Publication Date: 01/10/2019

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This project has received funding from the European Union Seventh Framework Programme (FP7/2007-2013) under grant agreement n° [613680].

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