[Gasification] Algae - photobioreactor picture

[Philippe Raufast]

>Your general idea is spot on. Is suspect they start with a sheet of
>clear PVC, fold it over. They will then probably use a die with heaters
>on it that will heat seal it along the perimeter and make flow paths
>about 4" wide. They then put in an inlet and outlet at top and bottom.
>Algae slurry is pumped via manifolds to the sheets that hang vertically
>so that the sunlight is not direct -> algae grow better under diffuse
>light than direct sunlight. Direct sunlight actually causes growth
>inhibition. So hanging vertically is clever as it provides lower direct
>incidence/m2 while shoving a lot of surface area onto a small footprint.
>

You can see a picture of the photobioreactor here :

http://biopact.com/2007/04/algae-biofuel-companys-claims.html