- Research Institute for Photobiological Hydrogen Production
We are proposing inexpensive bioreactor
Image of bioreactor on sea surface
![Bioreactor: 3-layerd plastic bags 25m width and 200m length](./figs/image_LargeScaleH2Production.jpg)
example of a large bioreactor
Membranes: 0.08 mm thick, 480 cm3/m2 bioreactor surface, $0.48-0.96 /m2 (recycled plastic: $1-2/kg, virgin plastic: $2-4/kg)
![Bioreactor consist of 3-layerd plastic bags. It's spread over sea surface.](./figs/image_3layerdBioreactor.png)
Fresh-water cyanobacteria (GM) if escaped, will not survive.
(Sakurai et al., 2010, Sakurai and Masukawa, 2007)