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    <div class="moz-cite-prefix">Hi Crispin and Jock,<br>
      Interesting to see these new devices take shape.<br>
      I have seen prices for high percentage grass or oat pellets (mixed
      with 10-20% wheat shorts) and pure oat hull pellets in the
      135-150$/tonne range, in bulk. I think the moisture might
      typically be higher than wood pellets, or at least more variable
      than premium wood pellets, and of course 5-10 times the ash. Some
      of these have left significant deposits on boiler heat exchangers,
      could/should be better with pyrolysis, but I guess that's what
      beta testing is for :)<br>
      <br>
      Alex<br>
      <br>
      <br>
      <br>
      <br>
      On 13/09/2012 4:28 PM, Crispin Pemberton-Pigott wrote:<br>
    </div>
    <blockquote cite="mid:008e01cd91ee$49226fd0$db674f70$@gmail.com"
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        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Dear
            Jock<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I
            am interested to know how the economics of the pellet stoves
            that produce a char byproduct compare economically with
            natural gas. It is noted in the article that the sales of
            pellet stoves have fallen off largely because of cheaper
            natural gas, a situation which may change soon.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">If
            NG is the fuel of economic choice, I am wondering how the
            economics look for biomass pellets (burned whole) and for
            biomass which does not burn all the available carbon (which
            contains about 2/3 of the energy in the pellet when loaded).<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">If
            about &frac12; the carbon is remaining as char (yielding 25% char)
            there is a 33% fuel cost penalty for the same amount of
            energy.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">It
            sounds as if you may have the numbers to go with these
            solutions. If it looks good, then people using the char like
            greenhouses may find the grass pellet option attractive (as
            is the case in Ontario at the moment for switchgrass
            pellets).<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks<br>
            Crispin<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
        <div>
          <div style="border:none;border-top:solid #B5C4DF
            1.0pt;padding:3.0pt 0mm 0mm 0mm">
            <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">+++++++</span><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif""
                lang="EN-US"><o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p class="MsoNormal"><span lang="EN-US">Bob et al:<o:p></o:p></span></p>
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          <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
        </div>
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          <div>
            <p class="MsoNormal"><span lang="EN-US">I hope you will find
                this of interest.  Please feel free to share.<o:p></o:p></span></p>
          </div>
          <div>
            <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
          </div>
          <div>
            <p class="MsoNormal"><span lang="EN-US">I look forward to
                hearing from you.<o:p></o:p></span></p>
          </div>
          <div>
            <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
          </div>
          <div>
            <p class="MsoNormal"><span lang="EN-US">Regards,<o:p></o:p></span></p>
          </div>
          <div>
            <p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
          </div>
          <div>
            <p class="MsoNormal"><span lang="EN-US">Jock<o:p></o:p></span></p>
          </div>
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