Molecular Sieve Filter

oldgangster · Jan 16, 2015

Hydrosun said:
Great post one.

Welcome.

Thank you!!!
:tiphat:

oldgangster · Jan 16, 2015

GratefulOne said:
Did you mean vertical?

If not the filter needs to be perpendicular to what?

Vertical.......perpendicular was a poor word choice.

Gray Wolf · Jan 16, 2015

Permacultuure said:
What do you think of how I have them set up in previous post with pics? Is this an efficient way?

We are going to implement them into our 2" recovery manifold with a screened gasket on the lid of the collection spool....all in the hopes of preventing all terpene and oil aspiration that happens so often.

Consider a self draining heat exchanger and water trap in front of the return line filter.

oldgangster · Jan 16, 2015

Does anyone that uses a stainless set up with welds....... `pickle` their equipment before using the first time?

GratefulOne · Jan 16, 2015

So for liquid you flood from the bottom? For vapor flood from the top?

flatslabs · Jan 16, 2015

oldgangster said:
Does anyone that uses a stainless set up with welds....... `pickle` their equipment before using the first time?

The welds on all of the equipment I have received has been passivated and / or polished, which as far as I know accomplishes the same things.

Gray Wolf · Jan 16, 2015

GratefulOne said:
So for liquid you flood from the bottom? For vapor flood from the top?

Could you elaborate on the question?

Gray Wolf · Jan 16, 2015

oldgangster said:
Does anyone that uses a stainless set up with welds....... `pickle` their equipment before using the first time?

We order our kits electropolished to remove the iron spatter from the surface.

Our proto type fabrications are polished to remove it, but not passivated.

GratefulOne · Jan 16, 2015

oldgangster said:
I worked with molecular sieves for years at the chemical company I retired from. The `dryer` needs to be long and slender but larger than lines inlet to and exit of. It needs to be perpendicular and depending on if you are drying vapor or liquid..... Will dictate if you feed it from the bottom or the top.

Gray Wolf said:
Originally Posted by GratefulOne
So for liquid you flood from the bottom? For vapor flood from the top?

Could you elaborate on the question?

Oldgangster said depending on if you are "drying vapor or liquid will dictate if you feed it from the bottom or the top."

I am asking for more details about this. The drier is set up vertical and I want to know the direction of flow. For liquid do you flood bottom up? For vapor do you flood top down?

oldgangster · Jan 16, 2015

GratefulOne said:
Oldgangster said depending on if you are "drying vapor or liquid will dictate if you feed it from the bottom or the top."

I am asking for more details about this. The drier is set up vertical and I want to know the direction of flow. For liquid do you flood bottom up? For vapor do you flood top down?

Liquid is bottom feed and vapor is top fed. A small pressure gauge on top will be a ready indicator of plugging in the event of sieve breakdown. Rare but it can happen

oldgangster · Jan 16, 2015

Gray Wolf said:
We order our kits electropolished to remove the iron spatter from the surface.

Our proto type fabrications are polished to remove it, but not passivated.

Thank you.

oldgangster · Jan 16, 2015

flatslabs said:
The welds on all of the equipment I have received has been passivated and / or polished, which as far as I know accomplishes the same things.

Thank you.

GratefulOne · Jan 16, 2015

oldgangster said:
Liquid is bottom feed and vapor is top fed. A small pressure gauge on top will be a ready indicator of plugging in the event of sieve breakdown. Rare but it can happen

Excellent, thank you!!!

crazy Steve · Jan 17, 2015

Does anyone know of an affordable gauge that is acceptable for butane exposure?

oldgangster · Jan 17, 2015

GratefulOne said:
Excellent, thank you!!!

Glad to help! I have learned so much reading this forum (about 1 week ago)....I am more than happy to share any info I have that may further `the industry ` for all in search of cleaner and purer meds.

oldgangster · Jan 17, 2015

crazy Steve said:
Does anyone know of an affordable gauge that is acceptable for butane exposure?

Your local welding gas supply company should have a gauge that will work..... or perhaps can they can recommend one.

Permacultuure · Jan 17, 2015

Mole sieve beads had an initial weight of 25 extra grams on intial weigh in....I was convinced most of that was butane and left it on the scale. It quickly dropped in weight to about 8 extra grams. I'll post pics later.

This was all done on the input of a 125# after two appions and a 3/8" x 25' condenser coil/after chiller sitting in dry ice.

We ran several hundreds of lbs of gas through this and am quite surprised it was only 8 grams after butane gas off...

Gray Wolf · Jan 17, 2015

crazy Steve said:
Does anyone know of an affordable gauge that is acceptable for butane exposure?

We use compound pressure gauges from RSD refrigeration supply depot. Ours are JB and as I recall, M2-250 is the model number.

Ashcroft from Paramount also makes a useable stainless compound gauge, but more spendy.

snake11 · Jan 17, 2015

Wika gauges are also excellent. . Not too expensive but not cheap either.

crazy Steve · Jan 17, 2015

Gray Wolf said:
We use compound pressure gauges from RSD refrigeration supply depot. Ours are JB and as I recall, M2-250 is the model number.

Ashcroft from Paramount also makes a useable stainless compound gauge, but more spendy.

Thank you very much brother! My shiny new 608 card shall come in handy :dance013:

Molecular Sieve Filter

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