Ken,
You have an interesting point. Presumably Methane is the model gas and any 
reasonable copies should be considered as being synthetic.
unfortunately methods entailing organic production do have some disadvantages 
involved with, environment, space, and time.
Which brings me to the question Iv always wanted ask: 
                                    Is it possible to get more gas production 
from "Microbes" if they are working under pressure? This is not a pun.
If animals can survive under say 20 antmospheres, Under simillar pressure, 
would  the Metobolism of microbes increase, giving a higher yeald of Syngas? 
Not knowing from which orifice the individul bug delivers the gas from, the 
possibility remains; "force feeding in this way"might increase production,
If so, the foot print of the production unit could be reduced to "Shade Tree 
size"

.HAPPY NEW YEAR

GF


-----Original Message-----
From: Ken Calvert <[email protected]>
To: Discussion of biomass pyrolysis and gasification 
<[email protected]>
Sent: Tue, Dec 28, 2010 7:43 pm
Subject: Re: [Gasification] Syngas on Wiki_


To me, the relatively new technology that blurs the division that you folks are 
debating, between Producer gas/Woodgas/Syngas, is the fact that all of these 
processes can be used to make liquid fuels by microbiological fermentation. 
Stay in Wiki but switch to "Syngas fermentation". 
"Syngas fermentation process has advantages over a chemical process since it 
takes places at lower temperature and pressure, has higher reaction 
specificity, tolerates higher amounts of sulfur compounds, and does not require 
a specific ratio of CO to H2[2]. O.K. its not a pushover, but it is commercial! 
http://bioconversion.blogspot.com/2005/12/doe-on-synthesis-gas-fermentation.html
 To me, with a background in Biogas as well as Woodgas, this is the way to go. 
Ken C.  
 
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