Breathable waveguides for combined light and CO2 delivery to microalgae.

Abstract:

:Suboptimal light and chemical distribution (CO2, O2) in photobioreactors hinder phototrophic microalgal productivity and prevent economically scalable production of biofuels and bioproducts. Current strategies that improve illumination in reactors negatively impact chemical distribution, and vice versa. In this work, an integrated illumination and aeration approach is demonstrated using a gas-permeable planar waveguide that enables combined light and chemical distribution. An optically transparent cellulose acetate butyrate (CAB) slab is used to supply both light and CO2 at various source concentrations to cyanobacteria. The breathable waveguide architecture is capable of cultivating microalgae with over double the growth as achieved with impermeable waveguides.

journal_name

Bioresour Technol

journal_title

Bioresource technology

authors

Pierobon SC,Riordon J,Nguyen B,Sinton D

doi

10.1016/j.biortech.2016.03.016

subject

Has Abstract

pub_date

2016-06-01 00:00:00

pages

391-6

eissn

0960-8524

issn

1873-2976

pii

S0960-8524(16)30301-7

journal_volume

209

pub_type

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