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40958Re: [hobbicast] Making charcoal

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  • Malcolm Parker-Lisberg
    Mar 4, 2011
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      Rupert
      Pyrophoric carbon is a myth, see:

      <http://www.fire.nist.gov/bfrlpubs/fire00/PDF/f00161.pdf>

      Malcolm

      I don't suffer from insanity I enjoy it!

      --- On Fri, 3/4/11, Rupert <rwenig2@...> wrote:

      From: Rupert <rwenig2@...>
      Subject: Re: [hobbicast] Making charcoal
      To: hobbicast@yahoogroups.com
      Date: Friday, March 4, 2011, 3:37 PM







       









      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.



      Quote:

      > 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?

      >



      --



      yvt



      Rupert Wenig

      Camrose, Alberta, Canada.



      email: rwenig2@...



      http://users.xplornet.com/~rwenig/Home/























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