Chapter 2 - Algal Strain Selection
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Introduction
Estimates show that there are over 30,000 different strains of algae. While such a large number might indicate exceptional potential for energy production from algae, in reality, only a small percentage of these could be used to derive energy in an economically sustainable manner. There are a number of reasons behind this fact and these will be detailed in this chapter.
List of Contents
- Importance of Algal Strain Selection
- Parameters for Strain Selection
- Strains with High Oil Content & Suitable for Mass Production
- Bacilliarophy (diatom algae)
- Botryococcusbraunii
- Dunaliella Spp.
- Euglena gracilis
- Isochrysisgalbana
- Nannochloropsissalina
- Neochlorisoleoabundans
- Phaeodactylumtricornutum
- Pleurochrysiscarterae
- Prymnesiumparvum
- Scenedesmusdimorphus
- Tetraselmischui
- Tetraselmissuecica
- Strains with High Carbohydrate Content
- Strains – Factoids
- Challenges & Efforts
- Which is Better - Microalgae or Macroalgae?
- Role of Genetic Engineering in Strain Selection
- Efforts & Examples in Strain Selection
Key Takeaways from the chapter
- Algae strain selection, while likely to be a resource intensive step, is critical for the success of algae energy business.
- There are known species of microalgae that contain high oil content and macroalgae species that are high in carbohydrates.
- Some of the strains suggested by NREL suited for efficient fuel production are the diatoms and the green algae.
- It is estimated that there are over 30,000 strains of algae, and hence choosing the most suitable strain for a specific type of culture medium and for a desired type of final energy product could be a resource intensive exercise.
- Choosing the most suitable algal strain needs consideration of parameters, such as the end products available, energy yield, performance in mass culture, and complexity of structure.
- While microalgae are currently the more preferred choice owing to their high oil content, macroalgae have their advantages as well, and thus could be considered in future as a biofuel feedstock.
List of Tables
- Strains with High Carbohydrate Content
- Macroalgae Strains with High Carbohydrate Content (by dry weight)
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No of Pages : 14 Last Updated : Dec 2011 Price : 100 US $ |
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Related Chapters from the Section I – Concepts & Cultivation