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Vattenfall plant tests CO2-scrubbing algae

AFP/The Local · 22 Jul 2010, 18:03

Published: 22 Jul 2010 18:03 GMT+02:00

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The €2 million (18.9 million kronor, $2.57 million) trial run, which will continue

until October 2011, in the depressed Lausitz mining region is one of several

experimental attempts in the sector using algae to slash carbon dioxide output.

"The microalgae use climate-killing CO2 to create valuable biomass," the chairman of Vattenfall Europe Mining and Generation, Hartmuth Zeiss, said in a

statement. "Moreover, the new technology will bring useful know-how to the Lausitz and increase its importance as a region for energy production."

Half the funding for the project called green MiSSiON (Microalgae Supported

CO2 Sequestration in Organic Chemicals and New Energy) comes from Vattenfall, the other half from state and European Union subsidies.

The gas emitted at the Senftenberg brown-coal-fired plant is being pumped

through a kind of broth using algae cultivated in 12 plastic tanks.

"The aim is to find out what kinds of algae work with brown coal dust and

then, how economical this kind of CO2 reduction is," a spokesman for the

Vattenfall division, Axel Happe, told AFP.

The biomass produced in the process can be used to produce biodiesel, to

feed biogas power plants and as a nutritious supplement in fish food, Happe


He said it was difficult to quantify the amount of CO2 emissions normally

Story continues below…

emitted at Senftenberg or estimate how sizeable the reduction could be with

the use of algae, which can scrub 10 times as much CO2 as land-based plants.

However, he said the company aimed to publish initial results in late 2011. A project at the Massachusetts Institute of Technology in 2008 found that

diverting CO2 through an algae broth could reduce emissions by as much as 85 percent.

Vattenfall is the third biggest electricity provider in Germany. Last month, European aerospace giant EADS unveiled what it called the world's first "hybrid" aircraft to run on algae fuel.

AFP/The Local (news@thelocal.se)

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Your comments about this article

12:41 July 23, 2010 by Da Goat
@ last someone has their head screwed on straight and are thinking along the correct lines of recapturing/recycling the co2 from a place that is easy to collect it from and making use of it properly.

even thought the whole CO2 thing is a red herring it is a valuable resource in this case and if someone is willing to pay then use it!
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