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| Gasification Archive for November 2001 |
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| 156 messages, last added Tue Nov 26 17:18:06 2002 |
[Date Index][Thread Index]
Re: GAS-L: Gasifier questions
> Dear Tim,
> I have sat out of this one for a couple of days, hoping that someone
else
> might straighten you out, but impatience has got away with me. I think
> that you are either ignorant or forgeting of two very important points!!
> 1/. At 180psi, lpg condenses down to a liquid ie. LPG= Liquid
Petroleum
> Gas.
> That means that an LPG cylinder can contain many many times its volume
> of the expanded gas. Producer gas does not liquify! An lpg cylinder
> will contain enough Producer gas at 180psi to give you about two minutes
> or less of what ever you want to do!!
> 2/. Producer gas, as manufactured the way you are proposing to make it,
is
> mostly inert nitrogen! Unless you plan to use pure oxygen for the
reaction,
> which is an entirely different ballgame to what you are saying, you have
> only the 20% of oxygen present in atmospheric air to enter into any
reaction
> with incandescant carbon and to provide enough surplus energy to
dissociate
> water into oxygen and hydrogen. The cost in pumping 60% or more of
inert
> nitrogen up to any sort of reasonable storage pressure at all, or to
liquify
> it and get a 100% CO & H2 mixture, far exceeds the amount of energy
that
> you might usefully get back out of the storage system. Sorry Matey!
> There is no free lunch! Ken Calvert. Renertech@xtra.co.nz
>
>
> ----- Original Message -----
> From: "Kevin Chisholm" <kchishol@fox.nstn.ca>
> To: "Tim Bollman" <tbollman@twlakes.net>; <gasification@crest.org>
> Sent: Friday, November 30, 2001 4:53 PM
> Subject: Re: GAS-L: Gasifier questions
>
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