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Efficiency of CO2 fixation by microalgae in a closed …
https://pubmed.ncbi.nlm.nih.gov/23567690/
In this study, a closed raceway pond was constructed by covering a normal open raceway pond with a specially designed transparent cover, which directly touched the surface of microalgal culture media. This cover prevented supplied CO2 escaping into atmosphere and thus increased the retention time of CO2.
Open Raceway Pond - an overview | ScienceDirect Topics
https://www.sciencedirect.com/topics/engineering/open-raceway-pond
Microalgae are inoculated and cultivated in the raceway, and the paddle wheel promotes the circulation of culture media or wastewater in the raceway. Since the open raceway pond system is operated outdoors, microalgae could perform photosynthesis under sunlight.
(PDF) Improved raceway ponds for microalgae production
https://www.researchgate.net/publication/261431116_Improved_raceway_ponds_for_microalgae_production
raceway pond, such as culture depth, fluid flow, turbulence an d mixing, heat exchange, and CO 2 addition. A number of theoretical and experimental activities have …
Microalgae culture in raceway open ponds for bioenergy production
https://ocj.com/2012/10/microalgae-culture-in-raceway-open-ponds-for-bioenergy-production/
Raceway open ponds – The benefits and costs Open raceways are typically made of a closed loop, oval shaped recirculation channels, filled with large water volumes at low depths over high surface areas, with adequate mixing and circulation to maintain microalgae growth productivity. Mixing and circulation is usually provided via paddlewheel systems.
Optimization of a raceway pond system for wastewater …
https://pubmed.ncbi.nlm.nih.gov/30744439/
Light supply and distribution among the microalgae culture is one of the major challenges of photo-bioreactor design, with many studies focusing on microalgae culture systems such as raceway ponds (RWP), widely used and cost-effective systems for algal biomass production.
CN101659922B - Closed raceway pond microalgae …
https://patents.google.com/patent/CN101659922B/en
The invention provides a closed raceway pond microalgae culture system, which consists of a carbon supply area, a culture area and an oxygen removal area and is closed by adopting an anti-fog film and a water seal mode. The bottom part of the culture area is provided with a heat exchange pipeline; the head space of the culture area is provided with a circulating ventilation …
Design of raceway ponds for producing microalgae
https://www.researchgate.net/publication/277498795_Design_of_raceway_ponds_for_producing_microalgae
Raceway ponds typically consist of two parallel straight channels interconnected by two hairpin bends (Fig. 1), with water depths typically ranging from 0.2 to 1.0 m (Han et al. 2019).
Efficiency of CO2 fixation by microalgae in a closed …
https://www.sciencedirect.com/science/article/abs/pii/S0960852413003817
The CO 2 gas–liquid mass transfer and CO 2 fixation efficiency by microalgae in the closed raceway pond were investigated, and the model of CO 2 fixation by microalgae was developed. Through the model, the CO 2 fixation efficiency increased to 95% under intermittent gas sparging. Previous article Next article Keywords Microalgae Fixation efficiency
Raceway pond - Wikipedia
https://en.wikipedia.org/wiki/Raceway_pond
Raceway pond used for the cultivation of microalgae. The water is kept in constant motion with a powered paddle wheel. A raceway pond is a shallow artificial pond used in the cultivation of algae . The pond is divided into a rectangular grid, with each rectangle containing one channel in the shape of an oval, like an automotive raceway circuit.
Large-Scale Production of Algal Biomass: Raceway Ponds
https://link.springer.com/chapter/10.1007/978-3-319-12334-9_2
Raceway ponds are widely used in commercial production of algal biomass. They are effective and inexpensive, but suffer from a relatively low productivity and vagaries of weather. This chapter discusses design and operation of raceways for large-scale production of algal biomass. Keywords Microalgae Raceway ponds High-rate algal ponds
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