Playing with Glycol

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what would you do with the glycol after it is distilled out?

Why not just ADD glycol and sell it as a 35 - 40% mix to someone in need :) pour it off into 5 gallon containers for ease of handling and shipping.

Also, best to keep it in a air tight container. Keeping it open to atmosphere will diminish some of the inhibitors, according to the Dow engineering manuals.

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EdyLogicMstr.

Can it be done?

Remove water from a diluted glycol mixture?

I've got stuck with about 50 gallons of glycol/DI water mixture 17% mix and wondering what to do with it. It's been an expensive experience. Not all glycols are equil.

Perhaps I can evaporate the water out and maintain the glycol.

Any way to re-concentrate the solution?

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Christian Egli_2

Time to roll out the old still

Boiling works, you can get rid of the diluting water. Watch your temperatures, once the water is gone (and so is the bubbling), it goes up and I think bad stuff happens to glycols and such. Easy. It smells a bit too, so you need proper outdoors ventilation.

Commercial open top (boilers) cookers are available to help reduce the amount of water based waste in industrial plants.

Also, these antifreeze liquids are water absorbing, so if you leave the concentrated solution in an open container, the level will rise from the absorbed humidity. This is a way dehumidification can be done.

Can you just filter it, leave it settle, measure the concentration accurately, add more and reuse most of it?

As an aside to your problem,

What do people do with their RV camping car whose water system they fill with glycol (the pink stuff) in the winter? I suspect it just goes down the drain? Does it? It's expensive to waste.

Alan_11

Ship it to Weezbo

Put it in a 55 gallon drum and ship it north.It should seperate when it gets downinto the minus numbers.

Brad White_9

Do you know

what kind of glycol it is? No point in evaporating the water out to obtain another unknown...

I figure you must know if you say it is 17%, your refractometer has to have something to say.

Why not add to it (enrich instead of concentrate) and get a mixture you can use?

It will react with oxygen. Not sure how that will affect the pH or other qualities.

As Mr. Egli suggests, a still may have an application but I fear the resulting explosion may put Natick on the map, or worse, off of it.

It could be a distraction from events in N. Korea, Gaza and Iraq though.

Brad White_9

Dang, Hot Rod

What are the chances we think alike? I flatter myself in so saying though.

Unknown

Good advise & thanks to all.

I'll just have to add some more of the (special order) concentrated -200 formula to the mixture and see if I can find a good home for it. My Exactech refractometer is not scaled properly for the low readings I'm taking but once I'm in range, it's very precise.

I've ran this solution through a 200 micron filter and sealed it up. Had no idea glycol could & would absorb water from atmospheric pressure from the R.H.humidity in the air. That is just bizarre. Science is cool. And to think oxygen can find it's way into a pressurized piping system that has no barrier. Nature is cool.

Anyone have a use for 55 gallons of inhiited proplene glycol with a bonus of the Rhomar 9100 inhibitor pakage?

How to ship?

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Advertize it at the

local supply house bulletin boards. Must be someone in that area with a snowmelt project in progress or upcoming. Local want ads? E-bay?

Or save it to de-ice your Lear this winter



I had a trucking company call me a few years back with a damaged 55 gallon drum. They put the drum inside a special containmment barrel to save the liquid. Good deal that was. thanks Jeff J!

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