[Gasification] Pyrolysing compost to make fuel

[Dick Glick]

Hello All -- 

Gee, I've said the same thing for years -- must be done, however to enjoy 
continous economic biogas production in semi-tropical or tropical regions 
enjoying sufficient annual rainfall.

Best, Dick
www.CorpFutRes.com

----- Original Message ----- 
From: "Roger Samson" <rsamson at reap-canada.com>
To: <CAVM at aol.com>; <GASIFICATION at LISTSERV.REPP.ORG>
Sent: Thursday, August 03, 2006 10:21 AM
Subject: Re: [Gasification] Pyrolysing compost to make fuel


> Neal
> The point really is that if the US is serious about energy security they
> would be better to go into biogas using combinations of feedstocks 
> including
> corn silage, energy grasses and manure rather than corn ethanol from the
> grain and using the corn stalks for pyrolysis. The liquid fuel routes will
> produce less net energy gain per acre and be harder on soils. Biogas is a
> serious energy option for the US and the technology is developed. 
> Cellulosic
> ethanol is going to take much more time to develop and pyrolysis is even
> further away from being commercial with farm derived feedstocks. I doubt 
> if
> pyrolysis technologies will ever be able to pay farmers a living wage for
> their biomass production.  Biogas and Bioheat conversion pathways will be
> able to pay farmers more for their raw materials and ultimately that will 
> be
> the deciding factor in how the bioenergy industry evolves.
>
> Roger
>
>
> -----Original Message-----
> From: gasification-bounces at listserv.repp.org
> [mailto:gasification-bounces at listserv.repp.org] On Behalf Of CAVM at aol.com
> Sent: Thursday, August 03, 2006 9:41 AM
> To: GASIFICATION at LISTSERV.REPP.ORG
> Subject: Re: [Gasification] Pyrolysing compost to make fuel
>
>
> Roger, the underlying issue is to make fuel from cellulose material.
> Neither standard fermentation to alcohol nor methane production via
> anaerobic
> digestion work well with high solids and high cellulose materials.  Or am 
> I
> wrong?
>
> Neal
>
> In a message dated 8/3/2006 8:34:55 AM Central Daylight Time,
> rsamson at reap-canada.com writes:
>
> They  would be wiser to make biogas out of farm derived material and
> recovering  the lignin fraction as a stable organic matter soil amendment.
> Biogas is a  cheaper and more sustainable option. Mining soils to produce
> sustainable  energy is a pretty poor trade off.
>
> Germany now has 2700 biogas systems  running on manure and energy crops. I
> don't understand how the US is so  backwards to keep putting all their 
> eggs
> in the liquid fuels from biomass  basket. It creates the worst fuel cycles
> and needs the most subsidies.
>
> Here is a presentation on the german biogas systems that was given 
> recently
> in Canada:
>
>>  http://www.omafra.gov.on.ca/english/engineer/facts/bg_pres4.pdf
>
>
>
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