[Stoves] Biochar in the loo

Sun Oct 5 19:51:20 CDT 2014

Agreed also makes good biochar if mixed with wood/coconut shells manure and grass/straw.

My experience and those in Vietnam seems to point to a mixed biochar gives higher yields than a single  feedstock biochar.

Many reasons but possible gives ber=tter range of nutrients for beneficial micro-organisms.  Doing some research to try and show this but difficult to prove.

I have quite a large amount of information not he work in Vietnam and if you send me an individual email ai will send youc opies as too big for the list.

Regards
Stephen
On 6 Oct 2014, at 11:09 am, Joshua Guinto <jed.building.bridges at gmail.com> wrote:

> Ok clay is noted. 
> 
> But before that, we found a huge supply of coco peat in some of the project areas. Coco peat, as you know is the powder that drops off from the coconut husk as it is shredded and has a water absorbing capacity of as much as 700 %. 
> 
> I would guess, coco peat, along with bio char, this will be an excellent ingredient to the mixture.... and then of course bokashi. I have been into bokashi and plant ferments and probiotics for quite some now and have witnessed its effectiveness. 
> 
> Jed 
> 
> 2014-10-05 18:51 GMT+08:00 Stephen Joseph <joey.stephen at gmail.com>:
> HI Joshua
> 
> You find a nice red swelling clay which has a very high cation exchange capacity make it moist and add lime and then just mix in with the biomass
> 
> The clay activates the surface of the biochar unceasing its ability to adsorb N and P compounds.
> 
> It is also an acid catalyst and helps break down the human waste.  We are also trying to show that the clay is important for increasing beneficial micro-organisms but still an hypothesis at present.
> 
> Regards
> Stephen
> On 5 Oct 2014, at 9:42 pm, Joshua Guinto <jed.building.bridges at gmail.com> wrote:
> 
>> Thanks for the quick reply Stephen.... but what is clay for? Shall i add clay in dry, granular form? 
>> 
>> 
>> 2014-10-05 18:19 GMT+08:00 Stephen Joseph <joey.stephen at gmail.com>:
>> HI Josh
>> 
>> You actually don’t need a special toilet.  Just adding biochar to a pit latrine if the biochar is made from a grass/straw with a little lime and clay added to the feedstock  at around 450C has worked well in Vietnam
>> 
>> Regards
>> Stephen Joseph
>> 
>> On 5 Oct 2014, at 8:27 pm, Joshua Guinto <jed.building.bridges at gmail.com> wrote:
>> 
>>> Hi Kelpie
>>> 
>>> Thanks for sharing the links.... i browsed through the bio char videos.. then ended up with the climate change and capitalism. The last video sparked an ember in myself  when i was a young activist in the streets.
>>> 
>>> Back to the terra preta toilet... where was it tried in actual field situations? In a few days and in the coming weeks, i will be involved in disaster rehabilitation efforts, one after the Typhoon Haiyan and another in anticipation of the eruption of Mayon Volcano in the province of Albay. I will introduce char making stoves and bio char and then water filters and then thought about introducing terra preta toilets. 
>>> 
>>> Any advice will be appreciated. 
>>> 
>>> Kind regards
>>> 
>>> Jed 
>>> 
>>> 
>>> 2014-10-05 12:08 GMT+08:00 Kelpie Wilson <kelpiew at gmail.com>:
>>> The idea of using biochar in public toilets as a deodorizer is a good one. My own personal experience with biochar in dry toilets says it works and the deodorizing power is greatly enhanced by the addition of bokashi. It grows a lovely white mold over everyhing and it smells kind of like pickles.
>>> 
>>> The best place to go for information on scientific biochar poo fermentation is the Terra Preta Sanitation group at Hamburg University of Technology http://www.terra-preta-sanitation.net/cms/index.php
>>> 
>>> Regards,
>>> Kelpie
>>> 
>>> 
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