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Gasification Archive for February 2002
42 messages, last added Tue Nov 26 17:18:14 2002

[Date Index][Thread Index]

Re: GAS-L: Re: Charcoal and water gas reaction




Dear Tom;

The "Blow" resulted in producer gas -- as well.

The process is well documented in my 1962 Enc. Britannica.

Peter Singfield / Belize



At 10:57 AM 2/13/2002 -0700, you wrote:
>Dear Ken and All:
>
>The water-gas reaction is
>
>    C + H2O ==> CO + H2
>
>Great reaction that converts water and a solid fuel (coal, coke, charcoal)
>into gaseous fuel.  Temperature needs to be above about 800 C.
>
>However, the reaction is VERY endothermic (absorbs heat) and needs to have
>large quantities of heat supplied.  This was done with coal in the water-gas
>process.  Air was blasted into coke to get it hot ("the blow"), then steam
>was blasted through to make "blue water gas" (CO plus H2, "the run").  Read
>all about it in the 1950 Enc. Brittanica at many libraries.
>
>Yours truly,        TOM REED        BEF
>
>----- Original Message -----
>From: <kenboak@stirlingservice.freeserve.co.uk>
>To: <stoves@crest.org>
>Sent: Wednesday, February 13, 2002 8:42 AM
>Subject: Charcoal and water gas reaction
>
>
>> Hi Stovers,
>>
>> Could someone please give me some basics on the water gas reaction between
>hot char and steam.
>>
>> How hot do the reactants need to be?
>>
>> How much heat needs to be supplied.
>>
>> Has anyone tried this purposefully or by accident using a source of
>superheated steam and hot charcoal?
>>
>> Any experimental experiences appreciated
>>
>> Thanks in advance,
>>
>>
>>
>> Ken
*

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