Leland<div><br></div><div> Methane AND cO2 can be made from syngas rich in co and h2 via ANEAROBIC METHANE BACTERIAS </div><div><br></div><div>BIOTHERMAL , IGT ,USA patented can do well .</div><div><br></div><div><br></div>
<div>Methane compared to bioconversion of ethanol can de more viable from syngas <br><br><div class="gmail_quote">On Tue, Dec 28, 2010 at 11:43 PM, Leland T Taylor <span dir="ltr"><<a href="mailto:linvent@aol.com">linvent@aol.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">CO2 may interfere with the catalysis. CO2 to methane requires H2 the right catalyst and high temperature, don't remember, but up there.<br>
Tom Taylor<br><br><span style="font-family:Prelude, Verdana, san-serif"><br><br></span><span><div style="font-family:arial, sans-serif;font-size:12px;color:#999999">-- Sent from my Palm Pixi</div><br></span><span style="color:navy;font-family:Prelude, Verdana, san-serif"><hr align="left" style="width:75%">
<div><div></div><div class="h5">On Dec 28, 2010 5:56 PM, GF <<a href="mailto:gfwhell@aol.com" target="_blank">gfwhell@aol.com</a>> wrote: <br><br><font color="black" size="2" face="arial">
<div style="font-family:arial,helvetica;color:black;font-size:10pt">
<div><font color="black" size="2" face="arial">
<div>Tom,</div>
<div> </div>
<div>What effect is produced if nitrogen were substituted by CO 2 in the Fischer Tropf process?</div>
<div>I know steam is cracked into O+H2, What sort of temperatures are required to convert CO2 into methane?</div>
<div> </div>
<div>HAPPY NEW YEAR</div>
<div> </div>
<div>GF<br>
</div>
<div style="clear:both"></div>
<br>
<br>
<div style="font-family:arial,helvetica;color:black;font-size:10pt">-----Original Message-----<br>
From: <a href="mailto:LINVENT@aol.com" target="_blank">LINVENT@aol.com</a><br>
To: <a href="mailto:gasification@bioenergylists.org" target="_blank">gasification@bioenergylists.org</a><br>
Sent: Tue, Dec 28, 2010 6:59 pm<br>
Subject: Re: [Gasification] Syngas on Wiki_<br>
<br>
<div style="background-color:#fff;margin:0px;font-family:Tahoma, Verdana, Arial, Sans-Serif;color:#000;font-size:12px"><pre style="font-size:9pt"><tt>I believe that syngas is specific to the application, and is based on the
ratio of hydrogen to carbon monoxide. As an example, ammonia syngas as
defined in flow sheets for an ammonia plant is 3H2:1N2. Syngas for FT
reactions
can be from .6H2:1CO-1.5H2:CO, with iron based catalysts requiring less H2
than cobalt catalysts because the iron catalyst will do it's own shift
reaction. Produced gas, water gas, blue gas, low heating value gas, low CV
gas are
all more appropriate designations for air based gasification systems. Even
an
oxygen or steam driven gasification system will not produce a "syngas"
appropriate for certain catalyst reactions, but will work for many.
The use of nitrogen in the gas is indeed done in some of the more
sopshisticated catalyst systems because it reduces the thermal concentration
in the
typically exothermic reactor such as FT reactions which in turn reduces the
amount of cooling needed for the reactor design which can be a significant
effect.
The use of the term "syngas" is inappropriate for any gasification system
because it is a specific composition based on the catalyst used. Only syngas
can be called this when it is cleaned, balanced for the catalyst with
contaminants removed such as Cl, S, organics so that the catalyst is not
damaged
by it.
Sincerely,
Leland T. "Tom" Taylor
President
Thermogenics Inc.
505.463.8422
<a href="http://www.thermogenics.com/" target="_blank">www.thermogenics.com</a>
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