Laboratory of Biochemical Engineering, College of Chemistry and Food Engineering, Federal University of Rio Grande, Rio Grande, Brazil.
Laboratory of Biochemical Engineering, College of Chemistry and Food Engineering, Federal University of Rio Grande, Rio Grande, Brazil.
Bioresour Technol. 2017 Jun;234:472-475. doi: 10.1016/j.biortech.2017.03.066. Epub 2017 Mar 12.
CO biofixation by microalgae and cyanobacteria is an environmentally sustainable way to mitigate coal burn gas emissions. In this work the microalga Chlorella fusca LEB 111 and the cyanobacteria Spirulina sp. LEB 18 were cultivated using CO from coal flue gas as a carbon source. The intermittent flue gas injection in the cultures enable the cells growth and CO biofixation by these microorganisms. The Chlorella fusca isolated from a coal power plant could fix 2.6 times more CO than Spirulina sp. The maximum daily CO from coal flue gas biofixation was obtained with Chlorella fusca (360.12±0.27mgLd), showing a specific growth rate of 0.17±<0.01d. The results demonstrated the Chlorella fusca LEB 111 and Spirulina sp. LEB 18 potential to fix CO from coal flue gas, and sequential biomass production with different biotechnological destinations.
微藻和蓝藻的 CO 固定是一种环境可持续的方式,可以减轻燃煤气体排放。在这项工作中,使用来自烟道气的 CO 作为碳源培养小球藻 LEB 111 和蓝藻 LEB 18。在培养过程中间歇注入烟道气,使这些微生物能够生长和固定 CO。从火力发电厂分离出的小球藻固定 CO 的能力比蓝藻高 2.6 倍。小球藻(360.12±0.27mgLd)获得了最大的每日燃煤烟道气 CO 固定量,比增长率为 0.17±<0.01d。结果表明,小球藻 LEB 111 和蓝藻 LEB 18 有潜力从燃煤烟道气中固定 CO,并进行具有不同生物技术用途的连续生物质生产。