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Alex1525

10/17/09 6:46 PM

#57816 RE: Ecomike #57808

Man, it's just simple physics, the light may be able to pass the tubes but when the algae grows they absorb light and wont let it pass! and guess what algae needs energy to grow and that energy comes from light.
So even a 4th grader could understand that a lateral structure would have higher efficiency, you don't really need rocket science to figure that out!

TOZ

10/17/09 8:48 PM

#57822 RE: Ecomike #57808

you start out saying that the vertical system does not need to use more electricity then you go on and use a lot of "ifs" which each if takes away from the productivity and efficietcy of the system. I think you don't know what effect smaller diamater pipes would have and you need to do some more research. I only responded to your obvious dissatisfaction to behl's system. I know you cant post today.

program-4-you

10/19/09 11:33 AM

#57919 RE: Ecomike #57808

Economike, seems you and I are on the same page, I would also like to add to your comments that according to reports I've read and seen, that in an open pond system, light will usually not penetrate more than an inch or two below the surface depending on the saturation of algae in the water. BEHL is using 9" tubes IIRC and thus only the TOP HALF of the tube is directly exposed to the light of the sun as the bottom half is of course shielded by the top, and based on light penetrating just a few inches deep into the tube the BEHL system is left with approximately 60% of the volume of their tube receiving almost no sunlight at all. So far, all of the vertical systems I have seen can get 100% penetration through their bladders. Meaning if you put the bladder between you and the sun, you can still see light penetrating through. As long as light can be seen, you can claim 100% efficiency on your system exposure. BEHL cannot make that claim.