Archive - Oct 18, 2008

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"It's exciting because it's achievable," says Peter van den Dorpel, as he looks over the big plastic tubes full of various shades of green algae. His company has designed, produced and marketed the crop in its bid to be the first to provide the aviation industry with a feasible alternative to fossil fuel. In an enormous greenhouse near Roosendaal in the south of The Netherlands, most of the greenhouse is growing tomatoes with impressive efficiency, with one corner dedicated to the cultivation of algae - in a similarly efficient way, according to Mr van den Dorpel. "It's actually like growing tomatoes; the algae need similar things," he says.

This crop uses the warmth, light and a steady feed of carbon dioxide and nutrients to reproduce faster than any other plant on earth. The amount of algae in these tubes can double daily. And that is both the attraction and the problem with algae as a commercial crop. What Algae-Link's system claims to crack, possibly for the first time, is the problem of clogging. A patented internal cleaning system keeps the set-up harvesting twenty-four hours a day.

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