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40957Re: [hobbicast] Making charcoal

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  • Rupert
    Mar 4, 2011
      Hello Ron,
      The demise of many grain elevators were caused by grain dust
      explosions. That is one reason I am not using the dust control system in
      my shop yet as I don't have the proper bonding for static done yet.

      I posted the below to another group. It has links to explain what
      pyrophoric is.

      > What pyrophoric is a form of spontaneous combustion. See
      > <http://en.wikipedia.org/wiki/Pyrophoricity>. This is another
      > interesting page
      > <http://ask.reference.com/related/Pyrophoric+Material?qsrc=2892&l=dse&o=102882>
      > on pyrophoric substances. I found some of the info hard to believe
      > but,,,,,,,,,,,,, The word pyrophoric came up when I was Googling for
      > ways to grind the charcoal lumps into powder so I Googled it to come
      > up with this page
      > <http://www.google.ca/search?q=pyrophoric&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a>
      > In other words, I get the impression to be careful with
      > powdered charcoal (and for that matter, many other powders).
      > Rupert

      On 3/4/2011 6:22 AM, Ron Thompson wrote:
      > On 3/3/2011 10:51 PM, Rupert wrote:
      >> Hello Group, I have been taking advantage of the using the wood
      >> heater in my shop through the cool weather to turn some oak into
      >> charcoal. In doing some research into how to grind it into a fine
      >> powder I found out charcoal (particularly fresh charcoal) can be
      >> pyrophoric when conditions are right. Figured I should pass that
      >> tid-bit on. No, I didn't find out the hard way.
      >> Rupert
      > Yikes! And I thought wood dust was bad. You can take the dry wood
      > powder from a sander and put a little on your finger. Flick it with
      > your other hand to make a cloud of dust. Do it into a candle flame
      > and it whooshes to flame like hairspray! Ever heard of a dust
      > explosion?



      Rupert Wenig
      Camrose, Alberta, Canada.

      email: rwenig2@...

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