What Does Reverse Osmosis Do? The Facts
On January - 14 - 2009
What does reverse osmosis do? Good question. Dependent on whom you ask, you will either get a glowing report which hails it as the most innovative and most heavily relied upon method of water treatment, and which is a necessity to our way of life.
Talk soon,
Joe Beaven
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rodneycrater Says:
Does reverse osmosis filtering eliminate all the sodium from softened water?
I read that the potential cause of so much high blood pressure was possibly due to drinking softened water which has a high sodium concentration. I have a reverse osmosis filter for our drinking and cooking water and was wondering if anyone knew for a fact if it does remove the sodium.
Posted on January 14th, 2009 at 8:32 pm
Golgo-13 Says:
Doesn't it take everything out but the water? That's what I always thought…
References :
Posted on January 15th, 2009 at 1:34 am
polloloco.rb67 Says:
No it does not. Simplified, with softened water, chemistry results the presence of a sulfate ion which is filtered while more sodium ions are allowed to pass through. So if you already have health problems such as hypertension, it'd be better off using a distillation method or resorting to bottled water. Different osmosis sytems filter different amounts of sodium so the best way to determine how much sodium is getting through is to have a test conducted.
You are likely to get more sodium from your food intake, however.
References :
http://www.aquatechnology.net/reverse_osmosis.html
Posted on January 15th, 2009 at 1:36 am
skooter Says:
kidney patients cant have sodium. reverse osmosis is the system most used by dialysis centers, for their water, however nothing removes all of the sodium. by the way leading cause for high blood pressure. stress over high blood pressure.
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Posted on January 15th, 2009 at 1:38 am
underhillprop Says:
Yes, the sodium (salt) is removed. See http://www.howstuffworks.com/question29.htm for more details.
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Posted on January 15th, 2009 at 1:40 am
Alan Turing Says:
Reverse osmosis removes Sodium ions from sea water. This is how fresh water is produced on sailing boats sailing across oceans, if they don't use distillation method.
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Posted on January 15th, 2009 at 1:42 am
Vlada M Says:
Reverse osmosis eliminates almost everything from the water (the rate is 99.9995%). Only thing that remains in the water are extremely small amounts of dissolved gasses and, in extreme cases, remnants of minerals, that managed to pass through membrane, because of it's damages.
So, all of sodium is removed from the water, but only if You have the real reverse osmosis system (i.e. not microfiltration or nanofiltration, which are widely sold as RO systems, which they are not) and if You change filters regularily.
References :
2.5 years of experience as leading engineer in reverse osmosis technology
Posted on January 15th, 2009 at 1:44 am