pot still.column scrubbers?

Pot still design and discussion

pot still.column scrubbers?

Postby Merlot » Wed Oct 31, 2012 6:14 pm

I did a little search for this but didn't find anything. Would half a dozwn or so ss scrubbers shoved up the column of my mcstill 2in see any increase in reflux and abv of distillate? I reckon it might :think:

Cheers
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Re: pot still.column scrubbers?

Postby Popcorn Jack » Wed Oct 31, 2012 6:20 pm

I say yes.
Here is a good read if you haven't all ready.
http://homedistiller.org/equip/designs/make_pot

Gl

PJ
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Re: pot still.column scrubbers?

Postby Merlot » Wed Oct 31, 2012 7:14 pm

Thanks PJ I have read that before. I tend to forget where I pick up info. It just seems to become part of your knowledge but then you question yourself.... Anyone else feel like that?

Would you put them in for a strip? Or just for the spirit runs

Cheers
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Re: pot still.column scrubbers?

Postby MacStill » Wed Oct 31, 2012 7:17 pm

I've forgot more than I know, err yeh prolly not much really :teasing-blah:
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Re: pot still.column scrubbers?

Postby Sam. » Wed Oct 31, 2012 7:19 pm

Merlot wrote:
Would you put them in for a strip? Or just for the spirit runs

Cheers


Wouldn't bother with the stripping run it will just slow it down.
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Re: pot still.column scrubbers?

Postby Merlot » Wed Oct 31, 2012 7:23 pm

sam_and_liv wrote:
Merlot wrote:
Would you put them in for a strip? Or just for the spirit runs

Cheers


Wouldn't bother with the stripping run it will just slow it down.


Got it... thanks S&L :handgestures-thumbupleft:

Well I beleive that is 100 posts :dance:

Cheers
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Re: pot still.column scrubbers?

Postby Popcorn Jack » Wed Oct 31, 2012 7:30 pm

Merlot wrote:Thanks PJ I have read that before. I tend to forget where I pick up info. It just seems to become part of your knowledge but then you question yourself.... Anyone else feel like that?

Would you put them in for a strip? Or just for the spirit runs

Cheers


I don't have a pot
But from what I read neither. Without being long winded I would only pack if trying to get closer to a neutral thats If you are looking to decrease flavor I suppose it might work. If I was stripping it would be as fast as possible.

Some may argue. What are you trying to achieve by packing?

PJ
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Re: pot still.column scrubbers?

Postby Merlot » Wed Oct 31, 2012 7:42 pm

I suppose I'm trying to increase the abv of the distillate , but you have thinking, why :think:
Mlore reflux will just mean less flavour I suppose. It might remove unwanted flavours but leave the good ones??
I dunno :oops: :))
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Re: pot still.column scrubbers?

Postby Merlot » Wed Oct 31, 2012 7:46 pm

Or could it enable me to skip the stripping runs?
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Re: pot still.column scrubbers?

Postby Sam. » Wed Oct 31, 2012 7:47 pm

Merlot wrote:Or could it enable me to skip the stripping runs?


Now your starting to get into the realms of the hybrid pot........
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Re: pot still.column scrubbers?

Postby Popcorn Jack » Wed Oct 31, 2012 8:00 pm

Merlot wrote:I suppose I'm trying to increase the abv of the distillate , but you have thinking, why :think:
Mlore reflux will just mean less flavour I suppose. It might remove unwanted flavours but leave the good ones??
I dunno :oops: :))


If you want higher ABV but keep flavor just run again.
If you want to make gin stuff juniper berths up the column.
No don't do that. But if you do tell us what its like.

PJ
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Re: pot still.column scrubbers?

Postby Kimbo » Wed Oct 31, 2012 9:52 pm

sam_and_liv wrote:
Merlot wrote:Or could it enable me to skip the stripping runs?


Now your starting to get into the realms of the hybrid pot........

I agree, you wont get reflux from a pot still unless you have a condenser.
then it becomes a reflux still. :-D
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Re: pot still.column scrubbers?

Postby Merlot » Thu Nov 01, 2012 9:56 pm

Well... me thinks its time for a trial, I have two identical dwwg washes waiting to be run. I'm gonna do one without and one with 3 X ss scrubbers. Sounds like fun 8-}
I will post results :-D
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Re: pot still.column scrubbers?

Postby Kimbo » Thu Nov 01, 2012 11:14 pm

Merlot wrote:Well... me thinks its time for a trial, I have two identical dwwg washes waiting to be run. I'm gonna do one without and one with 3 X ss scrubbers. Sounds like fun 8-}
I will post results :-D


Lookin forward to it mate :handgestures-thumbupleft:
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Re: pot still.column scrubbers?

Postby Merlot » Sun Nov 04, 2012 1:11 pm

Hi folks,

Okay, completed the 2 identical dwwg. They were both approx 18L probably about 17 L charges. I ran the first on friday night. I had bought 1 ss scrubber from coles a couple of weeks ago, so I went to grab a couple more this morning. When I came back couldnt find the I bought before anywhere :angry-banghead: so I thought I'll just run it with two. Went to put em in and the lost one already in there :)). I forgot about that :o. So the trial has now become a comparison between 1 scrubber and 3.

During the second run I turned the heat down because I thought I might run out of gas which sort of ruined the controlled nature of this experiment :oops:. So the results could be due to running it slower rather than the presence of extra scrubbers. Anyway I use a 100 mL measuring cylinder wth my alcometer so each measurement is about 100 mL. Higher readings require more so the first are about 120 and the last closer to 90mL. The second run was certainly more successful increasing abv a little bit particularly later in the run. Yield seems to have increased by about 0.5L

Results :
Run1-First 120 discarded 72 then 66 64 63 63 62 61 59 59 58 56 54 52 51 50 49 48 45 41 40 38 38 35 32
Run2-First 120 discarded 76 then 66 66 64 63 62 61 61 59 58 56 56 55 54 53 52 51 49 48 46 45 43 41 40 39 37 35 34 32 30

So is running a pot still slower known to have this affect? Or have the scrubbers done their job? Or maybe I just collected more in the later samples in the first run :oops: ...maybe. I think further study is required. :think:

Cheers
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2 in McStill pot on a 25L SS boiler

Re: pot still.column scrubbers?

Postby Merlot » Sun Nov 04, 2012 9:48 pm

No I'm confident the whole thing is a waste of time... :))
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Re: pot still.column scrubbers?

Postby Sam. » Sun Nov 04, 2012 10:31 pm

Running it slower you shouldnt get a higher abv, the scrubbers will definitely help that, but there is a fine line between going too slow and too fast with a pot :handgestures-thumbupleft:

Also if you are after flavour you don't really want anything over 80% anyway :handgestures-thumbupleft:
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