On Mon, Aug 18, 2014 at 12:33 AM, Jojo Iznart <[email protected]> wrote:
> I understand what you mean, but my system scales with area. It can > capture sea state and swell state energy, not just swell energy like some > wave systems. > > So, if the PBRs require low sea state, I guess it won't be compatible for > integration into my wave farms. My wave farms will be deployed where there > are lots of waves. I go where the storms are. > That doesn't make sense. If you capture the energy, the sea state is lowered behind the wave energy system. > > Is the requirement of low sea state only imposed by the plastic bag > material strength? Is there limitation on Algae productivity in the > presence of vigorous stirring and shaking caused by high sea states? In > other words, assuming the bag material is of sufficient strength, what > happens if you shake the PBRs rather violently? Will it affect algae > growth? It seems to me it won't and would probably improve growth due to > more thorough mixing of gases and nutrients, am I correct? > The CAPEX of photobioreactors is proportional to area. If you make the barrier stronger, you increase the cost per area. Lack of understanding this fundamental driver of algae cultivation is what kills the economy of 90% of the proposed cultivation systems.
