Press release/Articles
World Resources Forum 2013, Davos,Oct 7th, 2013
Workshop: Biofuels from Algae
Slides and presentation displayed at the WRF workshop in Davos, Switzerland on October 7th, 2013.
View the slides and the poster..
SWAT technology of the ASIO flocculator and the Salsnes SF500
The SF500 over the period of several months of testing underwent 7 different versions. The integration of the flocculator and the SF500 have been highlighted in several deliverables. The SWAT technology after extensive testing at the two sites, yielded a result of more than 95% algae recovery while using less than 0.08 kWh/m3 of algae for energy consumption.
The results were disseminated at the International Water Association Leading Edge Technology platform at Bordeaux, France and the SWAT prototype presentations were made at the World Resource Forum at Davos in Switzerland. More.....
SWAT presentations at IWA-LET in Bordeaux, France, June 2-6 2013
Abstract
An existing commercial prímary wastewater sieve treatment technology in conjunction with a flocculator was modified and investigated for removal of microalgae grown in wastewater or in pure medium for different micro-algal applications. Dependig´ng on the species >90% of the microalgae recovery from water was achieved. Scientific knowledge well known from the wastewater industry was used to integrate a flocculator and Salsnes Filter. The project aims to: recover micro algae from wastewater or assist in cleaning up of eutrophic water bodies, and use the harvested microalgae for bioenergy, biofuels and other applications thus making wastewater an important nutrient resource and reduce overall costs of harvesting microalgae.
Poster presentation
The poster number 518 was presented at the conference under the Theme 5: Resource recovery from Wastewater
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Summary after the initial trials of the new harvesting technology.
The initial stages of bench-scale sieve tests show that flocculation processes may be required to achieve acceptable harvesting efficiency and capacity. This is, however, very dependent on the type of algae, and extensive pilot scale harvesting experiments is still to be done. The development of the new technology is yet at a very early but promising stage, with the goal of 95% algae recovery at 40% lower costs than the best state of the art technology within reach.