<html><head></head><body lang="en-GB" style="background-color: rgb(255, 255, 255); line-height: initial;"> <div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Dear Hans-Peter</div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Regarding the giant pro Kon Tiki, what are the units in the "5 M h"? Is that 5.8 MJ/hour?</div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">A second question is how long the gas is produced, and a third is the refuelling time. </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">How many units would have to be run sequentially to give a continuous flow of combustible gas? (regardless of size) To efficiently make salt the operation has to be continuous. It would be very wasteful to let anything cool down. </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">A practical device would have to produce about 80 MJ per hour equal to burning about 5 kg of wood per hour. Maybe we could get away with 50 MJ/hr. </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Small scale lime making would require about 5000 MJ/hr. </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Thanks</div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Crispin </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif, sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div id="_originalContent" style=""><meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<div class="PlainText">Dear Ron and all, <br>
There are several people working on heat recovery of the Kon-Tiki for<br>
biomass drying, distillation and pasteurization. Desalination, as you<br>
proposed, could be another great combined use. Another idea that I love<br>
but not yet realized is to use the amazingly pure CO2 of the<br>
pyrogas-combustion to fertilize and heat greenhouses.<br>
The giant pro Kon-Tiki produces > 5 M h, enough to heat 20.000 l water<br>
from 20 to 70°C. <br>
Cheers, hp<br>
_________________________<br>
Schmidt, Hans-Peter<br>
ithaka institute for carbon strategies<br>
Ancienne Eglise 9, CH-1974 Arbaz<br>
phone: ++41 27 398 12 92<br>
<a href="http://www.ithaka-institut.org">www.ithaka-institut.org</a> <<a href="http://www.ithaka-institut.org">http://www.ithaka-institut.org</a>><br>
schmidt@ithaka-institut.org<br>
________________________________________<br>
<br>
<br>
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<br>
<br>
<br>
<br>
Am 30.08.15 01:00 schrieb "Ronal W. Larson" unter<br>
<rongretlarson@comcast.net>:<br>
<br>
>Hi all; adding two<br>
><br>
> On a different list there has been considerable dialog on making char<br>
>using pits or metal cones/cylinders. Unlike the stoves list, there has<br>
>been little discussion of productive use of the flared (quite clean)<br>
>pyrolysis gases. The emphasis for that discussion is solely on the char.<br>
> These can be big systems - area exceeding 1 square meter.<br>
><br>
> My guess is that salt production could fit in nicely in the right places<br>
>- even starting with ocean water. Otherwise the pyrolysis gases have no<br>
>use/value. <br>
><br>
>Ron<br>
><br>
><br>
><br>
>On Aug 29, 2015, at 4:08 PM, Rebecca A. Vermeer <ravermeer@telus.net><br>
>wrote:<br>
><br>
>> Andrew, Trevor,<br>
>> Tradition! Tradition! Bear in mind that the early salt makers of<br>
>>Ilocos Norte, Philippines were poor people with limited access to land<br>
>>and sea. The craft of salt making has been handed down through<br>
>>generations and I am glad to see that tradition survive to the present<br>
>>despite competing industrial scale production of the rich who can<br>
>>afford large tracks of waterfront land. Anything we can do to preserve<br>
>>the livelihood of many people and our cultural heritage would be much<br>
>>appreciated.<br>
>> <br>
>> Rebecca<br>
>> <br>
>> ----- Original Message -----<br>
>> From: ajheggie@gmail.com<br>
>> To: "Discussion of biomass cooking stoves"<br>
>><stoves@lists.bioenergylists.org><br>
>> Sent: Saturday, August 29, 2015 12:38:11 AM<br>
>> Subject: Re: [Stoves] ------ making salt just an aside<br>
>> <br>
>> [Default] On Sat, 29 Aug 2015 17:48:13 +1200,Michael N Trevor<br>
>> <mtrevor@mail.mh> wrote:<br>
>> <br>
>>> Well here in the middle of the Pacific Ocean, we have wind power sun<br>
>>>and <br>
>>> salt water and El Nino.<br>
>>> Solar stills making drinking water and producing salt would make sense.<br>
>> <br>
>> <br>
>> Yes like Anand I was surprised by the number of pictures Rebecca found<br>
>> on google of fires evaporating salt pans when solar power would seem<br>
>> an ideal means to do the job. One could imaging a large flat plate on<br>
>> a very slight incline having seawater trickled over it with salt<br>
>> crystals raked back to the top to dry, covered with a plastic sheet<br>
>> (how long does uv stabilised pvc survive in the tropics? It lasted<br>
>> about 30 years at my house in England), as you say the humid air above<br>
>> the evaporator could be condensed on a seawater cooled container and<br>
>> with a prevailing wind the only input power would be a pump to bring<br>
>> fresh seawater for cooling, with a re circulating injector Tee for any<br>
>> saturated saltwater that escaped evaporation on the pan.<br>
>> <br>
>> AJH<br>
>> <br>
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