Biological CO2mitigation from coal power plant by Chlorella fusca and Spirulina sp.
CO2biofixation 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 CO2from coal flue gas as a carbon source. The intermittent flue gas injection in the cultures enable the cells growth and CO2biofixation by these microorganisms. The Chlorella fusca isolated from a coal power plant could fix 2.6 times more CO2than Spirulina sp. The maximum daily CO2from coal flue gas biofixation was obtained with Chlorella fusca (360.12±0.27mgL-1d-1), showing a specific growth rate of 0.17±<0.01d-1. The results demonstrated the Chlorella fusca LEB 111 and Spirulina sp. LEB 18 potential to fix CO2from coal flue gas, and sequential biomass production with different biotechnological destinations.
Laboratory of Biochemical Engineering, College of Chemistry and Food Engineering, Federal University of Rio Grande, Rio Grande, Brazil.
Jessica Hartwig
JH
Duarte
Laboratory of Biochemical Engineering, College of Chemistry and Food Engineering, Federal University of Rio Grande, Rio Grande, Brazil.
Etiele Greque
EG
de Morais
Laboratory of Biochemical Engineering, College of Chemistry and Food Engineering, Federal University of Rio Grande, Rio Grande, Brazil.
Elisângela Martha
EM
Radmann
Laboratory of Biochemical Engineering, College of Chemistry and Food Engineering, Federal University of Rio Grande, Rio Grande, Brazil. Electronic address: jorgealbertovc@terra.com.br.
Jorge Alberto Vieira
JAV
Costa
D000393:Air Pollutants / Q000032:analysis / Q000378:metabolism*; D001673:Biodegradation, Environmental; D001709:Biotechnology; D002245:Carbon Dioxide / Q000032:analysis / Q000378:metabolism*; D002708:Chlorella / Q000254:growth & development / Q000378:metabolism*; D003031:Coal; D058086:Microalgae / Q000254:growth & development / Q000378:metabolism*; D011210:Power Plants; D053545:Spirulina / Q000254:growth & development / Q000378:metabolism*
D000393:Air Pollutants; D003031:Coal; D002245:Carbon Dioxide
Biofixation; Cyanobacteria; Flue gas; Global warming; Microalgae