[Gasification] Torrified woodchips as a gasifier fuel

[Robert Deutsch]

Hi GF,
Thank sounds like an interesting engine, can you provide any more details? 
Are they still in operation?  Got any photos or diagrams?
Thanks, Robert in California

----- Original Message ----- 
From: <gfwhell at aol.com>
> I have had the privilege of standing on the 12 ft diameter cylinder head 
> of one of these engines in the pump house.
> These were long stroke engines. the piston was water, the shape of which 
> changed to make the most of the Rankin and carnot cycle. The exhaust gas 
> was less than 95 F.
> The fuel, Anthracite, converted to, producer gas, was practically all used 
> in each power stroke. The equation for the efficiency of this engine did 
> not include the mining or transportation of the anthracite, merely pounds 
> of raw fuel for work performed, there for the inefficiencies of the 
> gasification plant was included.
>
>
>
>
>
> -----Original Message-----
> From: Rolf Uhle <energiesnaturals at gmx.de>
> To: Discussion of biomass pyrolysis and gasification 
> <gasification at listserv.repp.org>
> Sent: Thu, 2 Aug 2007 3:07 am
> Subject: Re: [Gasification] Torrified woodchips as a gasifier fuel
>
>
>
> Max,
> don´t know tto which reports on pollution created by wvo or svo you refer.
> here was a kind of campaign in german media  some time ago, but the tests
> hey made were in totally unprepared vehicles and much contested.
> o you have any trustworthy analisis/data ?
> would apreciate them.
> anks
> olf
>
> ---- Original Message ----- 
> rom: "Max Kennedy" <vacuum1313 at yahoo.ca>
> o: "Discussion of biomass pyrolysis and gasification"
> gasification at listserv.repp.org>
> ent: Wednesday, August 01, 2007 5:32 AM
> ubject: Re: [Gasification] Torrified woodchips as a gasifier fuel
>
> "Straight veggie oil is much, much more polluting than fossil diesel
> fuel, but biodiesel is a good bit less polluting than fossil diesel."
>
> If one only looks at comparing the 3 fuels themselves, this is true.
> However if one takes into account the imbedded energy/pollution of each in
> addition to that produced by using the end product then the WVO is far
> less costly both in energy costs and in total pollution produced.  For
> example diesel has to have added the extraction costs, the environmental
> impact costs (such as the Vancouver pipeline rupture), the refining energy
> costs etc.  The biodiesel has to include the energy/pollution in the
> process and process chemicals such as methanol and sodium hydroxide as
> well as disposal of the glycerine etc.  Yes, WVO has imbedded costs for
> processing, transport etc but they are lower as the material is far less
> processed and the costs are shared with the food industry as that was the
> primary use of the WVO.  An example of re-use advantage.  This last
> consideration is not true of diesel and partially true of biodiesel
> depending on the ratio of WVO in the
> BD.  The end use only mindset, which the starting quote embodies, needs to
> be replaced with a total cycle cost mindset.  That is not to say those on
> the list aren't aware these "hidden" costs exist however it is to say that
> the language we choose to use influences the thinking processes both of
> ourselves and those we talk to.  Just because some of the pollution to
> produce the more refined BD doesn't come from our tailpipe, originating
> from the methanol plant or the production of NaOH instead, doesn't mean
> that the pollution doesn't exist and isn't harmful.
>
> Off the soap box.
>
> The idea of trapping the waste carbon and using the waste heat from a WVO
> powered diesel using biomass destined for gasification sounds excellent to
> me and is a great example of whole cycle thinking that will truely
> overcome todays challenges in the future.
>
> Max K
>
>
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