[Gasification] eliminating carbon monoxide from coal gas

Greg Manning a31ford at gmail.com
Mon Apr 13 14:03:01 MDT 2015


Leland, I totally agree with you, that is why I thought the "CO" was
Typo....
Greg
On Apr 13, 2015 1:09 PM, <linvent at aol.com> wrote:

>  My question is why does one want to get rid of CO in the fuel gas as it
> has a higher heating value than that of hydrogen and without CO, an engine
> derating is much more significant just using hydrogen. The one component
> that significantly increases engine performance is methane in the produced
> gas as small quantities make a significant improvement in engine rating on
> produced gas.
> Sincerely,
> Leland T. "Tom" Taylor
> Thermogenics Inc.
>
>  -----Original Message-----
> From: Jeff Davis <jeffdavis0124 at gmail.com>
> To: Discussion of biomass pyrolysis and gasification <
> gasification at lists.bioenergylists.org>
> Sent: Mon, Apr 13, 2015 9:07 am
> Subject: Re: [Gasification] eliminating carbon monoxide from coal gas
>
>  If the gasifier is air blown with some steam added the reaction will
> remain exothermic. If the gasifier is brought up to temp with air and then
> switched to steam blown then the reaction will be endothermic on pure steam
> and will need to be toggled back to air blown hence town gas.
>
>  Jeff
>
>
>  ______________________________________________
> "Once an owner has got used to charcoal gas he will never revert to the
> more expensive fuels", Geo Bray
> On Apr 12, 2015 9:37 PM, "Viswanathan KS" <viswanathanks at gmail.com> wrote:
>
> Dr Karve wrote
> Quote
> --------. When hot charcoal is treated with steam, it produces coal
> gas, consisting of a mixture of carbon monoxide and hydrogen. We have
> used this reaction in an experimental stove, in which the coal gas is
> used as fuel.   Can anybody suggest a simple method of removing carbon
> monoxide from coal gas?
>  Unquote
>
>  Is this reaction sustainable or will the charcoal fire get extinguished
> due to prolonged passage of steam?
>
>  The answer to this question should determine the continuation of the
> discussion.
>
> On Mon, Apr 13, 2015 at 6:54 AM, Henri Naths <c_hnaths at telusplanet.net>
> wrote:
>
>  Hello Anand
> Some of  the CO can be removed using the water gas reaction. This well
> known stoichiometry of the water the water-gas shift reaction is : co+h20
> <=>h2+co2+heat ( exothermic)
> In an efficient heat integrated scheme , the heat of the reaction can be
> recovered as superheated high pressure steam.
>  H.
>
>
>
>
> On Apr 11, 2015, at 9:14 PM, Anand Karve <adkarve at gmail.com> wrote:
>
>  Coal gas as automotive fuel
> Agriculture, forests and urban centres  in India produce annually
> about 1000 million tons of combustible waste biomass. Its energy
> content is almost 3 times as much as the petroleum that we currently
> use in our country.  Samuchit Enviro Tech developed a simple and
> nonpolluting technology for converting combustible biomass into
> charcoal. When hot charcoal is treated with steam, it produces coal
> gas, consisting of a mixture of carbon monoxide and hydrogen. We have
> used this reaction in an experimental stove, in which the coal gas is
> used as fuel.   Can anybody suggest a simple method of removing carbon
> monoxide from coal gas?
> Yours
> A.D.Karve
>
> ***
> Dr. A.D. Karve
>
> Chairman, Samuchit Enviro Tech Pvt Ltd (www.samuchit.com)
>
> Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)
>
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