Fed-batch cultivation with CO2 and monoethanolamine: Influence on Chlorella fusca LEB 111 cultivation, carbon biofixation and biomolecules production

被引：33

作者：

Rosa, G. M. ^{[1
]}

Morais, M. G. ^{[2
]}

Costa, J. A. V. ^{[1
]}

机构：

[1] Fed Univ Rio Grande, Biochem Engn Lab, Coll Chem & Food Engn, Rio Grande, RS, Brazil

[2] Fed Univ Rio Grande, Lab Microbiol & Biochem, Coll Chem & Food Engn, Rio Grande, RS, Brazil

来源：

BIORESOURCE TECHNOLOGY | 2019年 / 273卷

关键词：

Absorbent; Carbon dioxide; Green alga; Lipids; Protein; DIOXIDE FIXATION; SCENEDESMUS SP; SPIRULINA SP; WASTE-WATER; BIOMASS; STORAGE; GROWTH; GAS; DEGRADATION; MICROALGAE;

D O I：

10.1016/j.biortech.2018.11.010

中图分类号：

S2 [农业工程];

学科分类号：

0828 ;

摘要：

The aim of this study was to evaluate the interaction between the periodic addition of monoethanolamine (MEA) and CO2 during the cultivation of Chlorella fusca LEB 111. For this purpose, MEA has been added in abiotic assays, followed by fed-batch cultures with that green alga and the absorbent. BG-11 medium shown a higher potential of CO2 absorption with MEA addition, and the bicarbonate was the chemical species of carbon prevailing in the chemical equilibrium. The periodic addition of MEA did not reduce the kinetics of growth, promoted a higher accumulation of DIC (81.4 mg L-1) in the medium and protein (44.0% w w(-1)) and lipid (30.8% w w(-1)) concentrations in the biomass of C. fusca LEB 111. Therefore, it was demonstrated that fed-batch culture with MEA increased CO2 fixation and the biomolecule synthesis as proteins and lipids.

引用

页码：627 / 633

页数：7

共 25 条

[1] Bioprocess strategies for enhancing biomolecules productivity in Chlorella fusca LEB 111 using CO2 a carbon source
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Santos, Lucielen O.
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[7] CO2 Biofixation by the Cyanobacterium Spirulina sp. LEB 18 and the Green Alga Chlorella fusca LEB 111 Grown Using Gas Effluents and Solid Residues of Thermoelectric Origin
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