Use of static magnetic fields to increase CO2 biofixation by the microalga Chlorella fusca

被引：48
|
作者：
Deamici, Kricelle Mosquera [1 ]
Santos, Lucielen Oliveira [2 ]
Vieira Costa, Jorge Alberto [1 ]
机构：
[1] Fed Univ Rio Grande, Coll Chem & Food Engn, Lab Biochem Engn, BR-96203900 Rio Grande, RS, Brazil
[2] Fed Univ Rio Grande, Coll Chem & Food Engn, Lab Biotechnol, BR-96203900 Rio Grande, RS, Brazil
来源：
BIORESOURCE TECHNOLOGY | 2019年 / 276卷
关键词：
Microalgae; Magnetic effect; Carbon dioxide; Biofixation; Chlorella fusca; CARBONIC-ANHYDRASE ACTIVITY; SPIRULINA-PLATENSIS; SCENEDESMUS-OBLIQUUS; DIOXIDE FIXATION; CULTURE; GROWTH; GAS; PHOTOBIOREACTORS; CULTIVATION; OUTDOOR;
D O I：
10.1016/j.biortech.2018.12.080
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
This study aimed to use different conditions of magnetic field (MF) application during Chlorella fusca cultivation and evaluate CO2 biofixation by the microalga through growth kinetics in addition to the biomass composition. For this purpose, we tested different MF intensities applied for 1 h d(-1) and for 24 h. Cultures exposed to the MF for 1 h d(-1) (in both intensities) had greater biomass concentrations (1.42 g L-1) and 34% more productivity in the same time as the control assay. The biofixation rate increased by 50% with 60 mT for 1 h d(-1), and the protein content was enhanced by 30 mT (56.21% w w(-1)). This study was the first to consider the MF effect on CO2 biofixation. MF applied for 1 h d(-1) proved to be an efficient alternative method to increase the CO2 biofixation and growth of C. fusca besides to be an inexpensive and nontoxic method.
引用
收藏
页码：103 / 109
页数：7
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