Improvement in modular scalability of polymeric thin-film photobioreactor for autotrophic culturing of Haematococcus pluvialis using industrial flue gas

[Display omitted] •A scale-up of bubble column PBR made from polymer film was investigated.•The column characteristics were investigated with various gas flow rate.•Hydrodynamic properties and liquid circulation rate were investigated.•When column volume 3.5-fold increased, biomass productivity was...

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Bibliographic Details
Published in:Bioresource technology 2018-02, Vol.249, p.519-526
Main Authors: Choi, Yoon Young, Hong, Min Eui, Jin, Eon Seon, Woo, Han Min, Sim, Sang Jun
Format: Article
Language:English
Subjects:
Autotrophic
Autotrophic Processes
Biomass
Bubble column photobioreactor
Chlorophyta
Haematococcus pluvialis
Hydrodynamic property
Microalgae
Photobioreactors
Scale-up
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Summary:[Display omitted] •A scale-up of bubble column PBR made from polymer film was investigated.•The column characteristics were investigated with various gas flow rate.•Hydrodynamic properties and liquid circulation rate were investigated.•When column volume 3.5-fold increased, biomass productivity was maintained. The aim of this study is investigate the effect of column diameter (D), height/diameter (H/D) ratio, and gas flow rate on microalgae cultivation, Haematococcus pluvialis. Bubble column reactors with various D and H/D ratio were tested to assess the hydrodynamic properties and biomass production performance. Then, H. pluvialis was cultured under outdoor autotrophic conditions using industrial flue gas. By optimizing the reactor module, reactor volume increased to 354% with minimized biomass loss. Compared to the control, developed module showed biomass and astaxanthin productivity of 0.052 versus 0.053 g/L/day, and 1.48 versus 1.47 mg/L/day, respectively. Consequently, biomass productivity was maintained with increased reactor scale, and the result is applicable to the scale up of overall microalgae cultivation process.
ISSN:0960-8524
1873-2976
DOI:10.1016/j.biortech.2017.10.060