[Terrapreta] Terrapreta Digest, Vol 4, Issue 2

[Ron Larson]

Andrew, Rhisiart, terra preta list members:

1.  Item #1 relates to your salutations:

----- Original Message ----- 
From: "AJH" <list at sylva.icuklive.co.uk>
To: "Rhisiart Gwilym" <Rhisiart at DDraigGoch.org>
Cc: <terrapreta at bioenergylists.org>
Sent: Monday, April 02, 2007 4:21 PM
Subject: Re: [Terrapreta] Terrapreta Digest, Vol 4, Issue 2


> On Mon, 2 Apr 2007 08:16:35 +0100, Rhisiart Gwilym wrote:
> 
>>Siwmae pawb (Hi all),
> 
> Ddiolch achos 'r ateb
> 

    [RWL:  I'm impressed about Andrew's breadth of "foreign" language knowledge but think Andrew has to do as well as Rhisiart in translating for the rest of us]


    <snip paragraph>


2.  a.  Rhisiart said
>>This is why I'm working on the idea of finding practical ways of 
>>producing your own terra preta on anything down to the smallest 
>>garden scale, with absolutely minimal financing needed. 
> 

b.  Andrew:
> Then consider drying your vegetable matter below 10% mc wet weight
> basis and then  pyrolysing it in a TLUD type burner, this way you
> won't be polluting much, even better if you utilise the heat.
> 
c. [ RWL:  Thanks Andrew for jumping in on this topic, which I want to support.  I believe anyone only venting (not flaring) their pyrolysis gases will feel bad as they learn more about how harmful a practice this is.  The vented pyrolysis gases are much worse for the environment than CO2.  We should strongly discourage working with char that has been produced badly.  
    Those who want to produce char cleanly will find an enormous amount  (including what TLUD means) at our companion site "stoves".   The topic is too large to explain here, but there are plenty of ways to produce charcoal cleanly at the home.  Doing anything with a trench is NOT one of them.  
    I think Rhisiart understand this - but not all working with this topic.
Ron]

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