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Stoves Archive for April 2002
74 messages, last added Tue Nov 26 17:31:34 2002

[Date Index][Thread Index]

Re: Water as a byproduct of gasification



Dear Neal
...del...
>
> So, anybody have any idea how much water we get as a byproduct for the
> gasification of X amount of biomass of any type?

I don't think there is any single answer to your question. The first
variable is the moisture in the fuel. The next variable is the specific
process employed.

A gasifying process with a "low temperature reaction", low moisture, and low
excess air,  can be expected to produce an off-gas with most hydrogen tied
up in tars. A high temperature process, with optimal water and air can lead
to a gas which is low in tars, and high in CO, H20 and N2.

> Can it be captured?
>
The moisture can be dropped out with condensers. The degree of drop-out
depends on the dewwpoint of the exit gas.

Kevin Chisholm


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