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@ARTICLE{Loomba:894426,
author = {Loomba, Varun and von Lieres, Eric and Huber, Gregor},
title = {{H}ow {D}o {O}perational and {D}esign {P}arameters {E}ffect
{B}iomass {P}roductivity in a {F}lat-{P}anel
{P}hoto-{B}ioreactor? {A} {C}omputational {A}nalysis},
journal = {Processes},
volume = {9},
number = {8},
issn = {2227-9717},
address = {Basel},
publisher = {MDPI},
reportid = {FZJ-2021-03218},
pages = {1387},
year = {2021},
abstract = {Optimal production of microalgae in photo-bioreactors
(PBRs) largely depends on the amount of light intensity
received by individual algal cells, which is affected by
several operational and design factors. A key question is:
which process parameters have the highest potential for the
optimization of biomass productivity? This can be analyzed
by simulating the complex interplay of PBR design,
hydrodynamics, dynamic light exposure, and growth of algal
cells. A workflow was established comprising the simulation
of hydrodynamics in a flat-panel PBR using computational
fluid dynamics, calculation of light irradiation inside the
PBR, tracing the light exposure of individual cells over
time, and calculation the algal growth and biomass
productivity based on this light exposure. Different PBR
designs leading to different flow profiles were compared,
and operational parameters such as air inlet flowrate,
microalgal concentration, and incident light intensity were
varied to investigate their effect on PBR productivity. The
design of internal structures and lighting had a significant
effect on biomass productivity, whereas air inlet flowrate
had a minimal effect. Microalgal concentration and incident
light intensity controlled the amount of light intensity
inside the PBR, thereby significantly affecting the overall
productivity. For detailed quantitative insight into these
dependencies, better parameterization of algal growth models
is required.},
cin = {IBG-1 / IBG-2},
ddc = {570},
cid = {I:(DE-Juel1)IBG-1-20101118 / I:(DE-Juel1)IBG-2-20101118},
pnm = {2171 - Biological and environmental resources for
sustainable use (POF4-217)},
pid = {G:(DE-HGF)POF4-2171},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000690285500001},
doi = {10.3390/pr9081387},
url = {https://juser.fz-juelich.de/record/894426},
}