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Old 07-12-2009   #30 (permalink)
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Re: Sunlight Sterilization of Water

Quote:
Originally Posted by Turtle View Post
so if we put a bottle of contaminated water in a parabolic trough reflector, sterilization would be quicker than the bottle just sitting out in the Sun as previously described as effective sterilization, oui/no?
Oui. Much like SEGS

Do you have a post or a pic you can point me to with the parabolic trough from your charcoal oven? You've piqued my interest with that, and I think I was not yet a member when you were working on it

Quote:
Originally Posted by Turtle View Post
still wanting to know what part does the volume of the water treated play in the amount of time necessary for sterilization?
Water is very transparent to UV. The sputum at the bottom of this page shows the absorption coefficient. UV is light blue. So, the volume would not really matter in that respect. However, I would think you'd want to focus the light on as small a target as possible ruling out a very thick tube with a large cross section...

More than that... I guess the flow rate would depend on the luminosity on the target. Here's a source that talks a bit about it.

An exact flow rate as a function of luminosity I cannot find and wouldn't know how to calculate without more info. Sorry.

~modest


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