[Gasification] Fluidised bed reactor

[Kevin]

Dear Rex

----- Original Message ----- 
From: "Rex Zietsman" <rex at whitfieldfarm.co.za>
To: <gasification at lists.bioenergylists.org>
Sent: Friday, November 29, 2013 4:18 AM
Subject: [Gasification] Fluidised bed reactor


> Kevin,
>
> What you say is correct. However, there is benefit in returning some 
> exhaust
> back to gasification as you force a higher production of CO relative to 
> CO2
> production. I suspect it is an equilibrium thing...

# For a gasifier having a relatively high exit temperature, then engine 
exhaust additions to the gasifier intake air could indeed be a way to both 
lower the gasifier exit temperature, and to raise the CO level.

There is a CO/CO2 equilibrium consideration, and also a kinetics or "speed 
of reaction" consideration.

Best wishes,

Kevin
>
> Rex
>
>
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