[Stoves] Torrified Pellets

Sat May 23 17:56:53 CDT 2015

Dear Crispin,
C.i.;

On 24.05.2015 00:41, Crispin Pemberton-Pigott wrote:
> Dear Dean
>
> Surely the combination of stove plus fuel are the main two 
> determinants of emissions resulting from combustion?
>
> If you have a fixed TLUD then you could search for the fuel it is best 
> suited to.
>
> If you have a fixed fuel, you could adjust the stove design until it 
> burned best. The only thing I have failed to burn really cleanly is 
> rubber. I think it needs a long residence time and so far stoves are 
> too short.
>
> It would be pretty easy to torrify a batch of pellets. Heat them to 
> 260 or so for a day.
>
In a sealed container, or? (or o2 less environ)

> Regards
> Crispin
>

Greetings, wherever you are! :D
Now I'm really off to antiobioticstabletswallowing
Ron

>
> Dear Ron,
>
> We had three women interns here at the research center for a summer 
> who found cleaner burning recipes for the TLUDs gathered from the 
> surrounding forest. Some things like bark make smoke, etc.
>
> Many pellets smoke when using eucalyptus, etc. Different mixtures of 
> kerosene make more or less smoke in off the shelf stoves.
>
> I'm wondering if torrified pellets will burn cleaner than normal pellets.
>
>
> Best,
>
> Dean
>
> On Sat, May 23, 2015 at 1:28 PM, Ronald Hongsermeier <rwhongser at web.de 
> <mailto:rwhongser at web.de>> wrote:
>
>     Hi Dean,
>     I remember that there was a proposed university program (W.
>     Virginia or the Carolinas??) In view of the deaths(not _many_ but
>     tragic) that have taken place due to off-loading of pellets at
>     some European ports (CO in the hold) The torrefaction could lead
>     to a more inert fuel. That's hopeful speculation on my part
>     however. You would be transporting some less bound water and the
>     energy density is better than regular pellets in addition to the
>     lack of liquid or vapor H2O absorption issue mentioned before--
>     these would lend efficiencies in the logistics end of things and
>     an even more uniform fuel than regular pellets, which tend to
>     absorb quite a  bit of water here in the damp winter weather...
>     I have to admit that I'm a bit puzzled as to what you mean by
>     cleaner fuel recipes. What specific pollutant are you interested
>     in or are you talking about particulate?
>     If you aren't choking the burn by putting the pot too close, you
>     should be getting a very clean burn with a TLUD?!?
>
>     regards,
>     Ron
>
>     On 23.05.2015 22:01, Dean Still wrote:
>>     Hi Ronald,
>>
>>     I'll keep looking. I think that we shouldn't forget cleaner fuel
>>     recipes as part of the solution.
>>
>>     Best,
>>
>>     Dean
>>
>>     On Sat, May 23, 2015 at 12:33 PM, Ronald Hongsermeier
>>     <rwhongser at web.de <mailto:rwhongser at web.de>> wrote:
>>
>>         Hi Dean,
>>         I did some searching around on the internet several years ago
>>         on this topic.
>>         I'd like to try torrefied stuff as well, but I struck out at
>>         that time.
>>         No idea where to find them.
>>         The main advantage that I picked up on at that time was that
>>         they should be relatively inert as to picking up extra water
>>         after they were pelletized.
>>         Cleaner burning than what?
>>         clean burning is a control issue, not a fuel issue as far as
>>         I understand. If I understand the concept correctly, it's
>>         like using part of the large molecules initially broken out
>>         (cracked) by the heat in the reaction vessel to coat the
>>         surfaces of the remaining unpyrolized material. This should
>>         burn quite okay in a TLUD.
>>
>>         regards,
>>         Ronald von Nasennebenhöhlenhölle (but I'm coming back)
>>
>>
>>         On 23.05.2015 20:56, Dean Still wrote:
>>>         Hi All,
>>>
>>>         I'd like to try torrified pellets in a TLUD under the
>>>         emissions hood.
>>>
>>>         Any ideas on where to find them?
>>>
>>>         Or if it should be cleaner burning?
>>>
>>>         Best,
>>>
>>>         Dean
>>>
>>>
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