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Gasification Archive for November 2001
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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