期刊
BIORESOURCE TECHNOLOGY
卷 202, 期 -, 页码 142-151出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2015.11.062
关键词
Biofuels; Cyanobacteria; Photobioreactor; MIMS; Biotechnology
资金
- Ministry of Education, Youth and Sports of the Czech Republic within the National Sustainability Program I (NPU I) [LO1415]
- GA CR [15-17367S]
- European Union FP7 collaborative project Direct biological conversion of solar energy to volatile hydrocarbon fuels by engineered cyanobacteria [256808]
- German Federal Ministry of Education and Research (e:Bio project CyanoGrowth) [FKZ 0316192]
The prediction of the world's future energy consumption and global climate change makes it desirable to identify new technologies to replace or augment fossil fuels by environmentally sustainable alternatives. One appealing sustainable energy concept is harvesting solar energy via photosynthesis coupled to conversion of CO2 into chemical feedstock and fuel. In this work, the production of ethylene, the most widely used petrochemical produced exclusively from fossil fuels, in the model cyanobacterium Synechocystis sp. PCC 6803 is studied. A novel instrumentation setup for quantitative monitoring of ethylene production using a combination of flat-panel photobioreactor coupled to a membrane-inlet mass spectrometer is introduced. Carbon partitioning is estimated using a quantitative model of cyanobacterial metabolism. The results show that ethylene is produced under a wide range of light intensities with an optimum at modest irradiances. The results allow production conditions to be optimized in a highly controlled setup. (C) 2015 Elsevier Ltd. All rights reserved.
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