[Gasification] Rice husk as gasifier fuel AND FERTILIZER!

[Ken Calvert]

Heh! Don't burn down the ash too much!!  Alexis's first models discharge a 
char which has the ash inside.  This material is a very good fertilizer for 
poor people.  The carbon content is what we call "terra preta"  and if you 
put it on your garden, it  acts as a cation exchange material which latches 
onto the soluble fertilizer salts and stops them being leached out in the 
rain.  So, you get the best of everything.  No smoke in the kitchen for the 
womenfolf to live healthier,  getting rid of the rice hulls themselves and 
soil conditioner.  Maybe if you want to make cement, then burn it dowb to 
ash, but for the village life, just leave Alexis as he is!!!    KenC

----- Original Message ----- 
From: "Rosmini dela Cruz" <wintuha at yahoo.com>
To: <gasification at listserv.repp.org>
Sent: Sunday, March 09, 2008 2:01 PM
Subject: Re: [Gasification] Rice husk as gasifier fuel


> For your information Prof. Alexis Belonio of Central Philippines 
> University has written  a handbook on how to gasify rice husk.
>
> Based on my experience discharging of ash is a problem but by installing a 
> grater which you can shake and an air blower  beneath the  ash pit, we 
> were able to overcome this.
>
> The reactor I have fabricated is without a throat so that downward 
> movement of rice husk by gravity is smooth. Air supply to the reactor is 
> controlled in order to have good char formation.
>
> I have observed that if there is to much air supply, the ash become so 
> fine. I will install a light dimmer in the electric motor which drive the 
> air blower so that I can easily control rev. per minute of the motor.
>
> Rice husk produced from a rice mill equipped with a rice husk rubber 
> roller is a preferable feedstock in the gasifier.
>
> Regards,
>
> Ross dela Cruz
>
>
>
>
> ---------------------------------
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