dc.contributor |
Háskóli Íslands |
dc.contributor |
University of Iceland |
dc.contributor.author |
Fu, Weiqi |
dc.contributor.author |
Guðmundsson, Steinn |
dc.contributor.author |
Wichuk, Kristine |
dc.contributor.author |
Palsson, Sirus |
dc.contributor.author |
Pálsson, Bernhard Ö |
dc.contributor.author |
Salehi-Ashtiani, Kourosh |
dc.contributor.author |
Brynjolfsson, Sigurdur |
dc.date.accessioned |
2018-11-19T10:58:38Z |
dc.date.available |
2018-11-19T10:58:38Z |
dc.date.issued |
2019-03 |
dc.identifier.citation |
Fu, W., Gudmundsson, S., Wichuk, K., Palsson, S., Palsson, B. O., Salehi-Ashtiani, K., & Brynjólfsson, S. (2019). Sugar-stimulated CO2 sequestration by the green microalga Chlorella vulgaris. Science of The Total Environment, 654, 275-283. doi:https://doi.org/10.1016/j.scitotenv.2018.11.120 |
dc.identifier.issn |
0048-9697 |
dc.identifier.issn |
1879-1026 (eISSN) |
dc.identifier.uri |
https://hdl.handle.net/20.500.11815/905 |
dc.description |
Post-print (lokagerð höfundar) opið á:
https://systemsbiology.hi.is/wp-content/uploads/2018/11/Sugar-stimulated-CO2-sequestration-by-the-green-microalga-Chlorella-vulgaris-draft.pdf |
dc.description.abstract |
To convert waste CO2 from flue gases of power plants into value-added products, bio-mitigation technologies show promise. In this study, we cultivated a fast-growing species of green microalgae, Chlorella vulgaris, in different sizes of photobioreactors (PBRs) and developed a strategy using small doses of sugars for enhancing CO2 sequestration under light-emitting diode illumination. Glucose supplementation at low levels resulted in an increase of photoautotrophic growth-driven biomass generation as well as CO2 capture by 10% and its enhancement corresponded to an increase of supplied photon flux. The utilization of urea instead of nitrate as the sole nitrogen source increased photoautotrophic growth by 14%, but change of nitrogen source didn't compromise glucose-induced enhancement of photoautotrophic growth. The optimized biomass productivity achieved was 30.4% higher than the initial productivity of purely photoautotrophic culture. The major pigments in the obtained algal biomass were found comparable to its photoautotrophic counterpart and a high neutral lipids productivity of 516.6 mg/(L·day) was achieved after optimization. A techno-economic model was also developed, indicating that LED-based PBRs represent a feasible strategy for converting CO2 into value-added algal biomass. |
dc.description.sponsorship |
This research was supported by the Icelandic Technology Development Fund, the Geothermal Research Group (GEORG) Fund and NYUAD faculty research funds (AD060). |
dc.format.extent |
275-283 |
dc.language.iso |
en |
dc.publisher |
Elsevier BV |
dc.relation.ispartofseries |
Science of The Total Environment;654(1) |
dc.rights |
info:eu-repo/semantics/embargoedAccess |
dc.subject |
Environmental Engineering |
dc.subject |
Waste Management and Disposal |
dc.subject |
Pollution |
dc.subject |
Environmental Chemistry |
dc.subject |
Chlorella vulgaris |
dc.subject |
CO2 capture |
dc.subject |
Microalga |
dc.subject |
Umhverfisverkfræði |
dc.subject |
Úrgangur |
dc.subject |
Mengun |
dc.subject |
Koltvíoxíð |
dc.subject |
Grænþörungar |
dc.title |
Sugar-stimulated CO2 sequestration by the green microalga Chlorella vulgaris |
dc.type |
info:eu-repo/semantics/article |
dcterms.license |
© 2018 Elsevier B.V. All rights reserved. |
dc.description.version |
Peer Reviewed |
dc.identifier.journal |
Science of The Total Environment |
dc.identifier.doi |
10.1016/j.scitotenv.2018.11.120 |
dc.relation.url |
https://systemsbiology.hi.is/wp-content/uploads/2018/11/Sugar-stimulated-CO2-sequestration-by-the-green-microalga-Chlorella-vulgaris-draft.pdf |
dc.contributor.department |
Rannsóknarsetur í kerfislíffræði (HÍ) |
dc.contributor.department |
Center for Systems Biology (UI) |
dc.contributor.department |
Iðnaðarverkfræði-, vélaverkfræði- og tölvunarfræðideild (HÍ) |
dc.contributor.department |
Faculty of Industrial Eng., Mechanical Eng. and Computer Science (UI) |
dc.contributor.school |
Verkfræði- og náttúruvísindasvið (HÍ) |
dc.contributor.school |
School of Engineering and Natural Sciences (UI) |