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Photobioreactor - Wikipedia
https://en.wikipedia.org/wiki/Photobioreactor
Analysis of productivity in raceway photobioreactor using …
https://www.sciencedirect.com/science/article/pii/S0960852421005654
The pressure drop calculated with CFD in the raceway photobioreactor for different circulation velocities is compared to the Manning equation. 2.2. Individual cell trajectories. The cell trajectories inside the RWP were calculated in a Lagrangian frame of reference applying the Discrete Random Walk Model (DRW) provided for ANSYS FLUENT.
Raceway bioreactor | Kitely
https://www.kitely.com/market/product/3742515/Raceway-bioreactor
Simple 16-prim raceway photobioreactor for growing algae or cyanobacteria on a research scale. Touch the paddlewheel to make it turn and circulate the culture. Search terms: education, teaching, biology
Analysis of productivity in raceway photobioreactor using …
https://pubmed.ncbi.nlm.nih.gov/33964810/
Raceway photobioreactors (RWPs) are the most common and affordable device for the mass culture of microalgae but due to geometry and the requirement of low input power, its photosynthetic performance is low. ... Analysis of productivity in raceway photobioreactor using computational fluid dynamics particle tracking coupled to a dynamic ...
t0020 Comparison of Photobioreactor and Raceway …
https://www.researchgate.net/figure/t0020-Comparison-of-Photobioreactor-and-Raceway-Production-Methods-2_tbl2_288214319
A photobioreactor is a closed system that allows monoculture of microalgae for prolonged durations with high biomass productivity, short harvesting time, and low risk of …
Photobioreactors - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/chemistry/photobioreactors
For example, it was estimated that the energy input to operate air-lift photobioreactor was around 350% higher compared to raceway pond [65]. Furthermore, an energy assessment carried out by Stephenson et al. [67] indicated that using an air-lift photobioreactor to cultivate microalgae for biodiesel production could lead to net negative energy ...
Linear active disturbance rejection control for a raceway …
https://www.sciencedirect.com/science/article/pii/S0967066119300206
The proposed controller is validated on a full-scale Raceway photobioreactor, whose results show a significant improvement in the accuracy of pH regulation and, consequently, a positive influence on biomass production. Moreover, a classical feedforward approach has been used for comparison purposes. The performance of the robust technique is ...
Open Raceway Pond - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/engineering/open-raceway-pond
Combination of photobioreactor and open pond raceway is called hybrid two-stage cultivation. At first, the conditions are controlled by photobioreactor, and then, the pond exposes the cells to nutrient stresses, which enhances the synthesis of the desired lipid products (Huntley and Redalje, 2007; Rodolfi et al., 2009).
Algae Farm Cost Model: Considerations for …
https://www.osti.gov/servlets/purl/1485133
Specifically, a dual photobioreactor (PBR)/open raceway pond (ORP) cultivation system was evaluated with respect to capital and operational costs, productivity, and culture health, and compared to an ORP-only cultivation system. In the dual (or “hybrid”) system, a cyclic flow PBR was used to provide inoculum for two open raceway ponds after ...
Modelling and pH Control in Raceway and Thin-Layer …
https://res.mdpi.com/d_attachment/energies/energies-14-01099/article_deploy/energies-14-01099-v2.pdf
sp. in a thin-layer photobioreactor, with an area of 32 m2, could reach 42 g m 2 day 1 while using a raceway, with the same area, the maximum productivity was barely half this value: 24 g m 2 day 1 [6]. It should be noted that the process of production of microalgae, as any biological process has nonlinear and complex dynamics.
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