[Gasification] eliminating carbon monoxide from coal gas
linvent at aol.com
linvent at aol.com
Mon Apr 13 13:06:09 CDT 2015
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 wroteQuote
--------.?When hot charcoal is treated with steam, it produces coal
gas, consisting of a mixture of carbon monoxide and hydrogen. We haveused this reaction in an experimental stove, in which the coal gas isused as fuel.? ?Can anybody suggest a simple method of removing carbonmonoxide 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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