[Gasification] cherry pits again

[Greg Manning]

 The Sun is yellow because of "Fusion", NOT combustion, burning H2 is clear.

 Greg

-----Original Message-----
From: gasification-bounces at listserv.repp.org
[mailto:gasification-bounces at listserv.repp.org]On Behalf Of derek
schulze
Sent: Sunday, October 03, 2010 11:41 PM
To: Discussion of biomass pyrolysis and gasification
Subject: Re: [Gasification] cherry pits again


Thanks for clarifying.


On Sun, Oct 3, 2010 at 11:37 PM, Ken Calvert <renertech at xtra.co.nz> wrote:

> Derek, if you have good gas it will have a lot of hydrogen in it, but you
> can barely see a hysdrogen flame its not yellow its transparent.  if you
> have yellow its carbon  volatiles, and if there are flecks of yellow in
the
> flame its unburnt carbon.- The blue color is carbon monoxide.Thats what
you
> look for.  Ken C.     Original Message ----- From: "derek schulze" <
> biffidum at gmail.com>
>
> To: "Discussion of biomass pyrolysis and gasification" <
> gasification at listserv.repp.org>
> Sent: Monday, October 04, 2010 3:58 PM
> Subject: Re: [Gasification] cherry pits again
>
>
>
>  Is it possible that I am getting hydrogen burning to get the bright
yellow
>> color?  There is a fair amount of moisture in the cherry pits.
>>
>>
>> On Sun, Oct 3, 2010 at 10:19 PM, Ken Calvert <renertech at xtra.co.nz>
>> wrote:
>>
>>  Derek, what you describe is like setting up an oxy acetylene blow torch.
>>> Pure acetylene is  all yellow with great shreds of carbon soot  coming
>>> out
>>> the endof the flame. As you open up the oxygen it starts getting
greenish
>>> blue at the base and ends in yellow. When you getthe oxygen just right
>>> there
>>> is no yellow only two shades of blue, with a darker shade in the
middleof
>>> the flame and a blue violet where the yellow was.
>>> For a good gasifier output  you want that outer blue violet colour all
>>> through.  Using air instead of oxygen, you do not get the intense
>>> combustion
>>> of the inner cone of a gas torch!    Ken C.
>>> ----- Original Message ----- From: "derek schulze" <biffidum at gmail.com>
>>> To: "Discussion of biomass pyrolysis and gasification" <
>>> gasification at listserv.repp.org>
>>> Sent: Monday, October 04, 2010 1:48 AM
>>> Subject: [Gasification] cherry pits again
>>>
>>>
>>>  I have managed to build my pilot project cherry pit gasifier and it is
>>>
>>>> working with the wet pits! - well at least it is producing gas that is
>>>> burning reliably.
>>>>
>>>> Now I have a couple of questions:
>>>>
>>>> 1)  My question is regarding the color of the flame.  It appears to be
>>>> blue-ish yellow near the base, but turns yellow near the top.  The
>>>> yellow
>>>> is
>>>> not a deep orange color, but rather a bright yellow.  There is little
to
>>>> no
>>>> sooting off the flame and no visible smoke.   I have made two different
>>>> burner designs as I was concerned about proper air introduction into
the
>>>> gas
>>>> prior to combustion with little to no change   Either I am not cracking
>>>> the
>>>> tar adequately, or there is a lot of sodium in the pits.  Any thoughts?
>>>> No
>>>> I do not have a temperature probe in the reaction zone.  As I will be
>>>> burning the gas in a boiler, I am not overly concerned about the gas,
>>>> but
>>>> I
>>>> do not want to have excessive tar buildup if it can be avoided.
>>>>
>>>> 2)  The gasifier was producing a lot of moisture and tar for the first
>>>> hour
>>>> of operation but it's production slow substantially after that.  I did
>>>> quite
>>>> a bit of tweaking in that hour.
>>>>
>>>> 3)  Should I be using some coal or char at the base to help improve the
>>>> cracking?  Will the ash left from the first burn be adequate?
>>>>
>>>> I'll post a photo/video somewhere once I get the files off the camera.
>>>>
>>>> -Derek
>>>> _______________________________________________
>>>> The Gasification list has moved to
>>>> gasification at bioenerglists.org - please update your email contacts to
>>>> reflect the change.
>>>> Please visit http://info.bioenergylists.org for more news on the list
>>>> move.
>>>> Thank you,
>>>> Gasification Administrator
>>>>
>>>>
>>>
>>>
>>> _______________________________________________
>>> The Gasification list has moved to
>>> gasification at bioenerglists.org - please update your email contacts to
>>> reflect the change.
>>> Please visit http://info.bioenergylists.org for more news on the list
>>> move.
>>> Thank you,
>>> Gasification Administrator
>>>
>>>  _______________________________________________
>> The Gasification list has moved to
>> gasification at bioenerglists.org - please update your email contacts to
>> reflect the change.
>> Please visit http://info.bioenergylists.org for more news on the list
>> move.
>> Thank you,
>> Gasification Administrator
>>
>
>
>
> _______________________________________________
> The Gasification list has moved to
> gasification at bioenerglists.org - please update your email contacts to
> reflect the change.
> Please visit http://info.bioenergylists.org for more news on the list
> move.
> Thank you,
> Gasification Administrator
>
_______________________________________________
The Gasification list has moved to
gasification at bioenerglists.org - please update your email contacts to
reflect the change.
Please visit http://info.bioenergylists.org for more news on the list move.
Thank you,
Gasification Administrator
No virus found in this incoming message.
Checked by AVG - www.avg.com
Version: 9.0.856 / Virus Database: 271.1.1/3158 - Release Date: 10/03/10
01:34:00