Clean It Up
UK Window Cleaning Forum => Window Cleaning Forum => Topic started by: dish on April 14, 2006, 07:53:16 pm
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Not only am I on a water meter, but I don't like the idea of wasting water anyway.
Just got my R/O up and running.
Pressure reading 75psi.
Ingoing TDS - 246.
Outgoing before DI - 24
Product after DI - 1
Current waste/product ratio - 4 barrels waste to 1 barrel product.
Alex G had mentioned in a previous post about RO upgrade that it was possible to fit a second membrane to reduce waste.
Any information that any of you can give me on RO's, and what I can do to reduce my waste will be greatly appreciated.
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im going down this route aswell, i dont need the extra output, just like the idea of less waste
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Hi guys, I have a ro-man 200 gpd pumped system, it has 2 100gpd membranes, I have 148tds going in and 1.5tds out. waste is about 2 waste to 1 of pure. I'm gonna add a 3rd membrane to reduce waste to 1 to 1 ratio. It also will mean that i will get more pure water before having to renew the prefilters.
Tim
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TIM :HOW WILL YOU BE ABLE TO TELL WHICH MEBRANE HAS CONKED OUT?
GAZA
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been concerning me aswell the amount of waste,is that the way to reduce it then add another membrane? what does it cost ?
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Gaza, you know what, i'd never thought of that. I guess you could just temporarily detatch each membrane to see if that restored the tds to the lowest value, i guess that would tell you which membrane had failed, they last about 3-5 years so I'm told.
Stoner, adding another membrane will reduce your waste, but I believe that they reccomend only having a max of 3 membranes connected in series. If you havent got a pump I'd reccomend getting one as having a pump will also help to improve your RO's efficiency. The upgrade kit from Ro-Man is about 60 quid for a 100gpd membrane and accessories.
Tim
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Sutton
With 75 PSI water pressure a pump won't make much difference.
Adding the extra membranes does help though.
Andrew