<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">HI Joshua<div><br></div><div>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</div><div><br></div><div>The clay activates the surface of the biochar unceasing its ability to adsorb N and P compounds.</div><div><br></div><div>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.</div><div><br></div><div>Regards</div><div>Stephen</div><div><div><div>On 5 Oct 2014, at 9:42 pm, Joshua Guinto <<a href="mailto:jed.building.bridges@gmail.com">jed.building.bridges@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr">Thanks for the quick reply Stephen.... but what is clay for? Shall i add clay in dry, granular form? <br><br></div><div class="gmail_extra"><br><div class="gmail_quote">2014-10-05 18:19 GMT+08:00 Stephen Joseph <span dir="ltr"><<a href="mailto:joey.stephen@gmail.com" target="_blank">joey.stephen@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">HI Josh<div><br></div><div>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</div><div><br></div><div>Regards</div><div><span class="HOEnZb"><font color="#888888">Stephen Joseph</font></span><div><div class="h5"><br><div><div>On 5 Oct 2014, at 8:27 pm, Joshua Guinto <<a href="mailto:jed.building.bridges@gmail.com" target="_blank">jed.building.bridges@gmail.com</a>> wrote:</div><br><blockquote type="cite"><div dir="ltr"><div><div><div><div>Hi Kelpie<br><br></div>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.<br><br></div>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. <br><br></div>Any advice will be appreciated. <br><br></div>Kind regards<br><br>Jed <br><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">2014-10-05 12:08 GMT+08:00 Kelpie Wilson <span dir="ltr"><<a href="mailto:kelpiew@gmail.com" target="_blank">kelpiew@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">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.</p><p dir="ltr">The best place to go for information on scientific biochar poo fermentation is the Terra Preta Sanitation group at Hamburg University of Technology <a href="http://www.terra-preta-sanitation.net/cms/index.php" target="_blank">http://www.terra-preta-sanitation.net/cms/index.php</a></p><p dir="ltr">Regards,<br>
Kelpie</p>
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