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Cleaning D-Limonene

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ThirdEyeVision

ThirdEyeVision

Rising Star
The most expensive part of alot of teks nowadays is the D-Limonene. Has anyone come up with a sure fire way to clean it enough to use again? Most people dont have a distilation setup so the obvious answer is out of most peoples grasps.

Is cleaning with HCL then water then drying with magnesioum sulfate enogh?
 
i was wondering a bit about this, too.
d-limonene is completely insoluble with water, so wouldn't that be enough?
possibly ethanol or ipa
 
The MgSO4 question is the key here, I think. If you can clean it with volumes of hot water of varying PH, the only concern should be whether you can return it to >95% purity.
 
Is limo completely insoluble with water? I've had water I've recovered from FASW that smelled of oranges, and limo wont clear up for me once i add water until I raise the temperature on the jar.
 
I was under the impression it was very slightly water soluble, could be wrong though. I think my friend may break down and get a distillation setup, it would be fun to have anyways :d Anyone know what temp limo distills at?
 
d-limonene boils at 176 C, according to wikipedia. You might be able to clean it by repeatedly "extracting" it with acidic water, but I wouldn't hold out too much hope for this. If you've got to re-use the limo i'd try cleaning it - couldn't hurt. Suppose a distillation apparatus could pay for itself in the long run by saving you from having to buy more limo...
 
w0mbat said:
d-limonene boils at 176 C, according to wikipedia.
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Thanks.

w0mbat said:
Suppose a distillation apparatus could pay for itself in the long run by saving you from having to buy more limo...
Click to expand...

Exactly what I was thinking. A $130 investment but many years of fun 😉
 
SWIM is working on setting up a still anyway, but this may be a simple way to recycle limonene:

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If this is done, and a bunch of gunk is left in the bottom of the pot, then it's no longer in the limonene.
 
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