A strategy to maximize astaxanthin production from Haematococcus pluvialis in a cost-effective process by utilizing a PBR-LGP-PBR array (PLPA) hybrid system using light guide panel (LGP) and solar cells

[Display omitted] •LGP was placed between each PBR in the PLPA hybrid system.•The arrangement of dense PBRs prevented cell growth inhibition.•The ROI was increased by 6.55 times at the 10-ton scale.•The ROI was increased by 4.71 times at the 100-ton scale.•Payout time was reduced by 1.37 times than...

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Bibliographic Details
Published inBioresource technology Vol. 376; p. 128902
Main Authors Lee, Ju Yeon, Yu, Byung Sun, Chang, Won Seok, Sim, Sang Jun
Format Journal Article
LanguageEnglish
Published England Elsevier Ltd 01.05.2023
Subjects
Astaxanthin
Biomass
Chlorophyceae
Chlorophyta
Cost-Benefit Analysis
Culture volume per area
Economic feasibility
H. pluvialis
Light
Photobioreactors
PLPA hybrid system
H. pluvialis
Economic feasibility
Astaxanthin
PLPA hybrid system
Culture volume per area
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Summary:[Display omitted] •LGP was placed between each PBR in the PLPA hybrid system.•The arrangement of dense PBRs prevented cell growth inhibition.•The ROI was increased by 6.55 times at the 10-ton scale.•The ROI was increased by 4.71 times at the 100-ton scale.•Payout time was reduced by 1.37 times than conventional system at the 100-ton scale. This study evaluated economic feasibility through production efficiency, return on investment (ROI) and payout time of a hybrid system using a photobioreactor (PBR)-light guide panel (LGP)-PBR array (PLPA) and solar cells developed for astaxanthin and ω-3 FA simultaneous production of Haematococcus pluvialis. The economic feasibility of the PLPA hybrid system (8 PBRs) and the PBR-PBR-PBR array (PPPA) system (8 PBRs) was evaluated for producing high-value products while effectively reducing CO2. Introducing a PLPA hybrid system has increased the amount of culture per area by 1.6 times. Also, the shading effect was effectively suppressed with an LGP placed between each PBR, increasing biomass and astaxanthin productivity by 3.39-fold and 4.79-fold, respectively compared to the untreated H. pluvialis cultures. In addition, ROI increased by 6.55 and 4.71 times, and the payout time was reduced by 1.34 and 1.37 times, respectively in 10 and 100-ton scale processes.
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ISSN:0960-8524
1873-2976
DOI:10.1016/j.biortech.2023.128902