[Terrapreta] Char hydration

[MFH]

I wonder if there is any relationship between "wettability" and the
temperature of the charring process.  The test samples came from a batch
that was processed at temps will in excess of the recommended 600C.

Maybe higher temps produce small pore sizes?

Max

-----Original Message-----
From: terrapreta-bounces at bioenergylists.org
[mailto:terrapreta-bounces at bioenergylists.org] On Behalf Of Kurt Treutlein
Sent: Tuesday, 3 June 2008 8:24 PM
Cc: terrapreta at bioenergylists.org
Subject: Re: [Terrapreta] Char hydration

MFH wrote:
> You're doing better than me. I've had char in buckets for 3 weeks with
added
> urea, wee, cow poo and detergent.
>
> There has been some water uptake by the char in the bucket with the soap,
> but all the other remains floating like tennis balls.
>
> Source was dry and dense eucalypt.
>
> M
>   
Interesting! Last year when I made charcoal from bamboo I had it in foam 
vegeboxes, on the back lawn. They got rained on there and seemed to get 
wet with no problems. I don't remember any floating on top of the water 
that collected in the boxes.

Kurt



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