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Fire safety question

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  • Snow Blind Moose
    A fire safety question: Are ethanol/water vapours (of the concentration that would leak out of the kettle of a leaky pot still) more or less dense than air?
    Message 1 of 5 , Oct 1, 2002
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      A fire safety question:

      Are ethanol/water vapours (of the concentration that would leak out
      of the kettle of a leaky pot still) more or less dense than air? In
      other words - do they rise in the air, or fall toward the heat source?

      S.M.
    • Mike Nixon
      Snow Blind Moose wrote: Subject: [new_distillers] Fire safety question A fire safety question: Are ethanol/water vapours (of the concentration that would leak
      Message 2 of 5 , Oct 1, 2002
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        Snow Blind Moose wrote:
        Subject: [new_distillers] Fire safety question

        A fire safety question:

        Are ethanol/water vapours (of the concentration that would leak out
        of the kettle of a leaky pot still) more or less dense than air? In
        other words - do they rise in the air, or fall toward the heat source?
        =========================
        Water steam is less dense, and rises. Ethanol vapour is denser, and falls.
        Density ratios are: steam at 100C / air at 20C / ethanol vapour at 78.4C =
        0.6 / 1 / 1.6

        Mike N
      • Zeke Jones
        They fall...: ) ... Send and receive Hotmail on your mobile device: Click Here
        Message 3 of 5 , Oct 2, 2002
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          They fall...:>)

          >From: "Snow Blind Moose"
          >Reply-To: new_distillers@yahoogroups.com
          >To: new_distillers@yahoogroups.com
          >Subject: [new_distillers] Fire safety question
          >Date: Tue, 01 Oct 2002 20:47:21 -0000
          >
          >A fire safety question:
          >
          >Are ethanol/water vapours (of the concentration that would leak out
          >of the kettle of a leaky pot still) more or less dense than air? In
          >other words - do they rise in the air, or fall toward the heat source?
          >
          >S.M.
          >
          >
          >


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        • schwarzenduder
          It would seem that a reflux column filled with alcohol vapor would make quite a BANG if accidentally ignited by static electricity or another random ignition
          Message 4 of 5 , Oct 21, 2003
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            It would seem that a reflux column filled with alcohol vapor would make quite a BANG if accidentally ignited by static electricity or another random ignition source, or is all of the oxygen pushed out of the column by the rising vapor?
            -Duder


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          • corn_wash
            your right no oxygen in column, only chance of flame is if vapor escapes and contacts flame............... ... make quite a BANG if accidentally ignited by
            Message 5 of 5 , Oct 21, 2003
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              your right no oxygen in column, only chance of flame is if vapor
              escapes and contacts flame...............

              --- In new_distillers@yahoogroups.com, schwarzenduder
              <schwarzenduder@y...> wrote:
              > It would seem that a reflux column filled with alcohol vapor would
              make quite a BANG if accidentally ignited by static electricity or
              another random ignition source, or is all of the oxygen pushed out of
              the column by the rising vapor?
              > -Duder
              >
              >
              > ---------------------------------
              > Do you Yahoo!?
              > The New Yahoo! Shopping - with improved product search
              >
              > [Non-text portions of this message have been removed]
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