<div>Dear all,</div>
<div>tar is a valuable byproduct. Villagers buy it from a hardware shop at about US$1 per kg. So, we would prefer not to burn it. </div>
<div>Yours</div>
<div>A.D.Karve <br><br></div>
<div class="gmail_quote">On Mon, Jan 31, 2011 at 8:46 AM, Thomas Reed <span dir="ltr"><<a href="mailto:tombreed2010@gmail.com">tombreed2010@gmail.com</a>></span> wrote:<br>
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<div>Dear Doug, Brian and all</div>
<div><br></div>
<div>To what extent can you clean today's gas by passing it (cooled to about 150 C) through a barrel of tomorrows REASONABLY DRY fuel, thus permitting you to burn all the tars AND finish drying the fuel?</div>
<div><br></div>
<div>While a moisture content less than 20% is desirable for gasifier fuel, I suspect it should not be bone dry for long runs because it becomes autopyrolytic and won't retain a level pyrolysis zone.</div>
<div><br></div>
<div>COMMENTS?</div>
<div><br></div>
<div>Tom Reed<br><br>Dr Thomas B Reed
<div>President, The Biomass Energy Foundation</div>
<div><a href="http://www.woodgas.com/" target="_blank">www.Woodgas.com</a></div></div>
<div><br>On Jan 30, 2011, at 9:06 AM, Brian D Paasch <<a href="mailto:brian@indianarenewables.com" target="_blank">brian@indianarenewables.com</a>> wrote:<br><br></div>
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<div>
<div>On Jan 29, 2011, at 8:10 PM, doug.williams wrote:</div><br>
<blockquote type="cite"><span style="TEXT-TRANSFORM: none; TEXT-INDENT: 0px; BORDER-COLLAPSE: separate; FONT: medium 'Times New Roman'; WHITE-SPACE: normal; LETTER-SPACING: normal; WORD-SPACING: 0px"><span style="FONT-FAMILY: Arial; FONT-SIZE: small"><strong>To finger the problem of using industrial scale producer gas, is that most large systems are not tar free, and if you need to compress the gas, technical challenges come thick and fast.</strong></span></span></blockquote>
</div><br>
<div>Doug,</div>
<div><br></div>
<div>Oh goodness yes! We've not been willing to TOUCH the compression challenges until we got our gas pretty darn clean. I'm cautiously optimistic with where we are at on that task:</div>
<div><br></div>
<div><a href="http://www.youtube.com/watch?v=sNypVoZg3VA" target="_blank"><a href="http://www.youtube.com/watch?v=sNypVoZg3VA" target="_blank">http://www.youtube.com/watch?v=sNypVoZg3VA</a></a></div>
<div><br></div>
<div>And right now we're planning on three separate compression steps with additional filters between each step.</div>
<div><br></div>
<div>And thanks for the pointer to your archives, I will certainly browse!</div>
<div><br></div>
<div>-brian</div>
<div><br></div>
<div><br></div>
<div><br></div>
<div>
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<div>---------------------------------------</div>
<div>Indiana Renewables, LLC</div>
<div>6600 Karyn Drive</div>
<div>Avon, Indiana 46123</div>
<div>ph: 317-272-7939</div>
<div>fax: 317-536-5326</div></div></div><br></div></blockquote>
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-- <br>***<br>Dr. A.D. Karve<br>President, Appropriate Rural Technology Institute (ARTI)<br><br>*Please change my email address in your records to: <a href="mailto:adkarve@gmail.com">adkarve@gmail.com</a> *<br><br><br><br>