Best Place to Buy Anion Resin?

[Tink]

I'm on a well and it's kicking my mixed bed resin's butt, so I've decided to get some Anion resin to run ahead of the mixed to take care of the CO2. What I'm curious about is where folks have found a good quality and price on the resin?

 

I don't need to buy in bulk, so standard sizes will do. So far, the best I've found is from SpectraPure.

 

 

 

Thanks

[DaveS]

I'm interest to see what you decide. I gave Tom some whole house corsex neutralizer media that he was going to put in front of his rodi setup to address the C02 issue. Not sure he's had time to test it yet.

[Origami]

I'm interest to see what you decide. I gave Tom some whole house corsex neutralizer media that he was going to put in front of his rodi setup to address the C02 issue. Not sure he's had time to test it yet.

No. I'm dreadfully behind on several projects, it seems.

 

I'm glad to see that some company is selling separated resin again. I thought that the last time I checked, that Spectrapure didn't have any on the shelf. I've taken to separating resin myself from mixed bed resin and it seems to have worked reasonably well.

[Tink]

I'm torn between trying the Anion resin and regenerating it when exhausted (I use sodium hydroxide to treat my well water anyway, so I have it on hand), or attempting to aerate the RO before pushing it through the DI with an aqualifter.

 

 

Thoughts?

[Origami]

You can do both, of course. Regeneration requires the expense and precaution of working with a very strong caustic solution, and disposal considerations. Aeration is safer, but You may find performance e variation and could possibly introduce airborne pollutants into the water.

 

Sent from my phone

 

 

[DaveS]

What's the process to regenerate the anion resin? The 3 of us could have a regeneration party!

[ctenophore]

No. I'm dreadfully behind on several projects, it seems.

 

I'm glad to see that some company is selling separated resin again. I thought that the last time I checked, that Spectrapure didn't have any on the shelf. I've taken to separating resin myself from mixed bed resin and it seems to have worked reasonably well.

While you're messing with the RO system, hook up the resin extender too

 

I have a 5 gallon bucket of used mixed bed BRS brand resin you guys can have if you want to try recharging it.

[Origami]

While you're messing with the RO system, hook up the resin extender too

 

I have a 5 gallon bucket of used mixed bed BRS brand resin you guys can have if you want to try recharging it.

Give it to me. The hardest part is the initial resin separation. You have to rely on the difference in the density of the two resins to get them to separate using a very dense solution. I use a saturated NaCl solution with NaOH added to give it greater density. Anion resin floats, cation sinks when it's mixed right. Recharge the cation resin with a strong HCl solution; the anion resin with a very strong NaOH solution. Both of these are dangerous and can cause severe burns if not handled correctly. I need to do a little more work on my process apparatus and rinsing, but it basically works.  Note: A strong NaOH solution can degrade some plastics by making them brittle & weak if you leave it filled with the solution for too long - polyethylene (used in 2 liter soda bottles) for example. It can make a mess on the table / floor when one fails....

 

Yes, I've got to get the resin extender set up, Justin. It's been a hectic few months.

[Tink]

That's the same process I had seen on the web, though some mention multiple flushing cycles at various speeds.

 

When you do yours, do you just let the resin rest in their solutions for a time then rinse with RO water, or is there more of a process?

[Origami]

That's the same process I had seen on the web, though some mention multiple flushing cycles at various speeds.

 

When you do yours, do you just let the resin rest in their solutions for a time then rinse with RO water, or is there more of a process?

I stir it several times.

 

It's a similar process, but I tried to find a more economical means of performing separation. The web article that you'll see uses a pure NaOH solution for separation. I use a NaCl + NaOH mixture, replacing some of the more expensive component with less expensive water softener salt. Unfortunately, a pure saturated NaCl solution is not sufficiently dense to separate the two types of resin. Thus the need to increase density by adding NaOH.

 

Sent from my phone