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post #16 of (permalink) Old 10-15-2012, 04:52 AM
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Unless the water velocity is pretty high, bubbles do float up. That is why if the wrong end of that horizontal reactor is higher than the other end, bubbles will collect at that end, out of the high velocity flow. If you introduce the CO2 as micro-bubbles, then they will never manage to float up, but will just follow the flow. But I didn't see anything in this one that would produce micro-bubbles.

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