ISSN: 2048-9145

Pharmaceutical Bioprocessing

Algal Technology

  Algae are present in all existing habitats where light is available. Algae can potentially produce 1,000-4,000 gallons of oil/acre/yr, which is significantly higher than soybeans (48 gallons of oil/acre/yr) and other oil crops. Algae are not traditional foods or feeds. They can be cultivated in large open ponds or in closed photo bioreactors located on non-arable land, and can grow under a wide variety of climate and water conditions. There are four major types of cultivation conditions for algae: photoautotrophic, heterotrophic, mixotrophic and photoheterotrophic cultivation. Photoautotrophic cultivation occurs when algae use light as the energy source, and inorganic carbon (e.g. carbon dioxide) as the carbon source to form chemical energy through photosynthesis. This is the most commonly used cultivation condition for algae growth. When algae use organic carbon as both the energy and carbon sources, it is called heterotrophic cultivation.  

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