Some recent studies have been directed at investigating the feasibility of using anaerobic digestion as a technique to recover Solar energy embodied in the excessive Algal Biomass production as a replacement fuel. The three major issues restricting the economic and technical feasibility of anaerobic Fermentation of algal sludge are: 1) The low energy density of the dewatered sludge as obtained from algal removal techniques, 2) Green algal sludge is relatively resistant to anaerobic biodegradation 3) The high nitrogen content of algal biomass leading to ammonia toxicity in the Anaerobic Digester environment
In addition, recent techniques have been developed for the large scale production of marine micro-algae under heterotrophic growth conditions, by utilizing organic carbon instead of light as an energy source. Heterotrophic algal cultures can attain up to 1,000 times higher densities than photoautotrophic cultures and can be preserved by spray-drying. For more inputs on heterotrophic algea in the context of Biodiesel see: Replacement Diets for Live Algae – from FAO & Biofuels Production from Microalgae after Heterotrophic Growth (PDF)
Key Questions on which
On-going Research are Focussed
Research Links
- International Network for Biofixation of CO2 & Greenhouse Gas Abatement with Microalgae
- The Culture of Coccolithophorid Algae for Carbon dioxide Bioremediation - The culture of coccolithophorid algae is an attractive option for sequestration or recycling of CO2 as they can fix carbon by Photosynthesis as well as in calcium carbonate scales known as coccoliths. They also produce high amounts of Lipids which have a potential application as a renewable fuel. This research paper deals with culturing various species of Coccolithophorid algae for exploring their efficacy in carbon dioxide bioremediation. Researcher: Navid Moheimani, Murdoch University, Perth, Western Australia
- A useful method for searching research articles is to use Google Scholar. Try it, you will be pleasantly surprised.
More articles & news on
algal oil / fuel research: Visitors may kindly have a look at the Oilgae Blog Directory for
relevant blog articles.
Other Related Sections
Blue
Green Algae, Red Algae,
Green
Algae, Marine
Algae, String
Algae, Pond
Algae, Pond
Algae Control, Algae Control
See also: For all aspects of Biodiesel production,
uses, research and case studies, please refer to our Biodiesel Section
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