Molecular Sieve Filter

Sextracts · Mar 5, 2014

Wow 9.8 grams does seem to be a fair amount! How much butane are you using?

Kcar · Mar 6, 2014

15 cans or around 5lbs. Washed through the material (~600g) 2 times.

Sextracts · Mar 6, 2014

Off topic but how big of collection vessel.

Sextracts · Mar 6, 2014

Do you think the moisture came with the butane or has been added to the system over time?

Kcar · Mar 6, 2014

My collection vessel is 10"w x 12"h
I think the water is from the trim. Even though we try to get it
as dry as possible, it still retains various amounts of H2O...

Sextracts · Mar 7, 2014

Thats what I was thinking!! Very interesting

Hash Man · Mar 8, 2014

Pretty cool! Did u make sure that there was no extract in the 9.8g gained in the sieve?

Also was wondering the same thing as regis stated on the first page, would thinner be better?

RegisPhilburn1 · Mar 8, 2014

Finished piecing mine togethor, just waiting on some 150 mesh gaskets
2"x6" spool. Probably going to use one on every butane line.

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Kcar · Mar 8, 2014

Hash Man said:
Pretty cool! Did u make sure that there was no extract in the 9.8g gained in the sieve?

Also was wondering the same thing as regis stated on the first page, would thinner be better?

There was a tiny bit of extract as there was 3 or 4 beads
stuck to the screen on the collection pot side.

I was thinking thinner and longer would be better, but
the 3" x 6" tube holds about 500g of beads, which I like.
And when I'm not using it for a filter, I can use it as an
extension for my 3" x 36" column.

HighStateToke · Apr 13, 2014

Any updates on performance, Kcar?

HG23 · Apr 24, 2014

I'm also interested in an update on how these are working.

Kcar · Apr 24, 2014

It works great, but slows recovery a bit. Also, it takes the water out
at a rate of about 10ml per run I would guess. Kinda hard to know how
much was in there in the first place. I've only been using it when
I plan to make shatter.

HG23 · Apr 24, 2014

Great, thanks for the heads up. Why don't you use it when making wax?

On a sidenote, what recovery pump have you been using? I'm just getting setup and want to go the diaphragm route but will have to wait for shipping.

HighStateToke · Apr 24, 2014

Kcar said:
It works great, but slows recovery a bit. Also, it takes the water out
at a rate of about 10ml per run I would guess. Kinda hard to know how
much was in there in the first place. I've only been using it when
I plan to make shatter.

Sounss like it does it's job! Which line(s) did you end up running it on?

Kcar · Apr 25, 2014

I run it on the line between the recovery pot and the Appion. (Suction side)
If we're making wax, it doesn't matter if there is a little water in the resin as
we suck it out when we purge. Not so with shatter. A tiny bit of water
in your oleoresin will make you shatter cloudy and start to wax.

HighStateToke · Apr 25, 2014

Kcar said:
I run it on the line between the recovery pot and the Appion. (Suction side)
If we're making wax, it doesn't matter if there is a little water in the resin as
we suck it out when we purge. Not so with shatter. A tiny bit of water
in your oleoresin will make you shatter cloudy and start to wax.

Hmmmm, so you are removing moisture which has already landed in your collection pot? How about moisture which has made its way into your tank, assuming your tank is holding more gas than you need for one cycle. It would be cool to have a molecular sieve add on below the column, I don't know how well that would work though.

Kcar · Apr 25, 2014

My tank holds about 5.5lbs of N-butane around. We dump it all through each flood.
I'll run the filter for a couple runs before making shatter.

HighStateToke · May 22, 2014

Kcar said:
Well, after 3 runs, the molecular sieve gained 9.8g.
Not as much as I had hoped, but it's 10g of H20 not in our concentrates.
Going to bake it at 460F for 2 hours and try again tomorrow...

Kcar said:
My collection vessel is 10"w x 12"h
I think the water is from the trim. Even though we try to get it
as dry as possible, it still retains various amounts of H2O...

Now it seems that you are removing moisture which has contaminated your butane from previous runs. Is there anything that can be done about removing moisture which is coming from the material being extracted?(aside from drying it further prior to extraction) Once the contaminated butane has landed in the collection pot, are we even evaporating a significant amount of it when recovering the gas?

HG23 · Dec 6, 2014

I'm bumping this thread back up again for any updates from you guys using these sieve beads and DIY filter/driers. How are they working out?

Is there anything you've learned about the length/diameter of the tube that you would change?

How do you dry them out and how often?

SouthernOregonM · Dec 6, 2014

I would place a spring action on one end keeping the pack tight like commercial filter/desiccant systems. This will keep any air pockets minimal.

Molecular Sieve Filter

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