<font color='black' size='2' face='arial'>
<div>Jai.</div>
<div>One system worth developing would be to conduct the (gaseous products) of pyrolysis, "burning without oxygen" passing this "smoke " through a high temperature reactor such as a red hot "heat exchanger" heated by the exhaust manifold of a fully loaded internal combustion engine,then subjecting this heated stream of tar bearing smoke through a high frequency electro magnetic field. thus forming an ionized plasma with the use of domestic micro wave magnetron/s</div>
<div>The posibility of water shift reaction for enriching the gas with hydrogen in this area is high, also any condensate would resemble ethanol rather than tar. The micro wave enclosure must be made with refractory and screen with metal ,the gas inlet and outlet screened with the same material as used in the door of the microwave oven.</div>
<div>Because there is such enormous waste heat available from an ICE. the pre heating of distilled water into super heated steam is easily obtained, which will cancel endothermic reactions of water shift when added to your gas stream. </div>
<div> </div>
<div>GF<br>
</div>
<div style="FONT-FAMILY: arial,helvetica; COLOR: black; FONT-SIZE: 10pt">-----Original Message-----<br>
From: Kevin <kchisholm@ca.inter.net><br>
To: jai balwanshi <jai764u@yahoo.com>; Discussion of biomass pyrolysis and gasification <gasification@lists.bioenergylists.org><br>
Sent: Tue, Oct 11, 2011 4:25 am<br>
Subject: Re: [Gasification] reducing temp. of gasification<br>
<br>
<div id=AOLMsgPart_2_736452c5-1521-4153-bbbe-122229d3263c>
<div><FONT size=2 face=Arial>Dear Jai</FONT></div>
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<div style="FONT: 10pt arial">----- Original Message ----- </div>
<div style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B> <A title=jai764u@yahoo.com href="mailto:jai764u@yahoo.com">jai balwanshi</A> </div>
<div style="FONT: 10pt arial"><B>To:</B> <A title=gasification@lists.bioenergylists.org href="mailto:gasification@lists.bioenergylists.org">Discussion of biomass pyrolysis and gasification</A> </div>
<div style="FONT: 10pt arial"><B>Sent:</B> Tuesday, October 11, 2011 2:05 AM</div>
<div style="FONT: 10pt arial"><B>Subject:</B> Re: [Gasification] reducing temp. of gasification</div>
<div><br>
</div>
<div style="BACKGROUND-COLOR: #fff; FONT-FAMILY: times new roman, new york, times, serif; COLOR: #000; FONT-SIZE: 18pt">
<div><SPAN>we have many method to reduce tar but i want which is most simplest.</SPAN></div>
<SPAN><FONT size=2 face=Arial></FONT></SPAN></div>
<SPAN></SPAN></BLOCKQUOTE>
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<div><SPAN><FONT size=2 face=Arial># <FONT size=3>Your very simple, but very important question was: "What is the simplest way to reduce tar?" I feel that the short answer is "Burn it." </FONT></FONT></SPAN></div>
<div><SPAN><FONT face=Arial></FONT></SPAN> </div>
<div><SPAN><FONT face=Arial># Support for this simplistic answer is based on the fact most gasifiers producing low tar woodgas seem to operate with a high reaction zone temperature. The trick is to burn the tars evolved by pyrolysis, while burning the least amount of char. This is accomplished in the Imbert Style of gasifier by optimal placement and sizing of the air jets in relation to the hearth size and location for the particular kind of fuel employed..</FONT></SPAN></div>
<div><SPAN><FONT face=Arial></FONT></SPAN> </div>
<div><SPAN><FONT face=Arial># It would be very helpful to the List if you would be kind enough to outline some of the many methods you have to reduce tars.</FONT></SPAN></div>
<div><SPAN><FONT face=Arial></FONT></SPAN> </div>
<div><SPAN><FONT face=Arial># Thanks!</FONT></SPAN></div>
<div><SPAN><FONT face=Arial></FONT></SPAN> </div>
<div><SPAN><FONT face=Arial>Kevin</FONT></div>
<div style="BACKGROUND-COLOR: #fff; FONT-FAMILY: times new roman, new york, times, serif; COLOR: #000; FONT-SIZE: 18pt"><br>
</div>
</SPAN>
<div style="BACKGROUND-COLOR: #fff; FONT-FAMILY: times new roman, new york, times, serif; COLOR: #000; FONT-SIZE: 18pt"> </div>
<div style="BACKGROUND-COLOR: #fff; FONT-FAMILY: times new roman, new york, times, serif; COLOR: #000; FONT-SIZE: 18pt">Jai Balwanshi<br>
Assistant Professor<br>
Mechanical Engineering Department<br>
VITS - Indore<br>
Contact No. 9713281992<br>
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<B><SPAN style="FONT-WEIGHT: bold">From:</SPAN></B> Pete & Sheri <<A href="mailto:spaco@baldwin-telecom.net">spaco@baldwin-telecom.net</A>><br>
<B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B> 'Discussion of biomass pyrolysis and gasification' <<A href="mailto:gasification@lists.bioenergylists.org">gasification@lists.bioenergylists.org</A>><br>
<B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Tuesday, 11 October 2011 8:39 AM<br>
<B><SPAN style="FONT-WEIGHT: bold">Subject:</SPAN></B> Re: [Gasification] reducing temp. of gasification<br>
</FONT><br>
Hello, Greg.<br>
I know that the correct solution to tar is to keep the reactor temp up,<br>
but, just in case,<br>
how do YOU test for tar? <br>
<br>
Pete Stanaitis<br>
-------------- <br>
<br>
-----Original Message-----<br>
From: <A href="mailto:gasification-bounces@lists.bioenergylists.org">gasification-bounces@lists.bioenergylists.org</A><br>
[mailto:<A href="mailto:gasification-bounces@lists.bioenergylists.org">gasification-bounces@lists.bioenergylists.org</A>] On Behalf Of Greg<br>
Manning<br>
Sent: Monday, October 10, 2011 3:13 PM<br>
To: jai balwanshi; Discussion of biomass pyrolysis and gasification<br>
Subject: Re: [Gasification] reducing temp. of gasification<br>
<br>
Greetings, Jai, and list members.<br>
<br>
Reducing tars in gas output, is really quite simple, design a gasifier<br>
that works correctly for the desired feedstock is the main method,<br>
however, you can also design a poorly built gasifier, and use many<br>
cleaning filters after the gasifier, in the gas output pipes.<br>
<br>
But really, one must understand what "tars" are, and at what internal<br>
temperature the gasifier runs at, once this is known, then the design<br>
can be re-designed to achive the correct temperature to reduce the<br>
tars BEFORE they enter the gas output area.<br>
<br>
In other words, generally 2 or more gasifiers must be built (or the<br>
original one modified) to the point of acceptable level of tars within<br>
the gas output.<br>
<br>
Greg Manning<br>
Canadian Gasifier Ltd.<br>
<br>
<br>
<br>
<br>
<br>
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