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Algae bioreactor information


A close up of microalgae – Pavlova sp.

An algae bioreactor is used for cultivating micro or macroalgae. Algae may be cultivated for the purposes of biomass production (as in a seaweed cultivator), wastewater treatment, CO2 fixation, or aquarium/pond filtration in the form of an algae scrubber.[1] Algae bioreactors vary widely in design, falling broadly into two categories: open reactors and enclosed reactors. Open reactors are exposed to the atmosphere while enclosed reactors, also commonly called photobioreactors, are isolated to varying extents from the atmosphere. Specifically, algae bioreactors can be used to produce fuels such as biodiesel and bioethanol, to generate animal feed, or to reduce pollutants such as NOx and CO2 in fuel gases of power plants. Fundamentally, this kind of bioreactor is based on the photosynthetic reaction, which is performed by the chlorophyll-containing algae itself using dissolved carbon dioxide and sunlight. The carbon dioxide is dispersed into the reactor fluid to make it accessible to the algae. The bioreactor has to be made out of transparent material.

  1. ^ Zhu, Yunhua; Schmidt, Andrew; Valdez, Peter; Snowden-Swan, Lesley; Edmundson, Scott (2022-03-21). "Hydrothermal Liquefaction and Upgrading of Wastewater-Grown Microalgae: 2021 State of Technology". doi:10.2172/1855835. OSTI 1855835. S2CID 247648577. {{cite journal}}: Cite journal requires |journal= (help)

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