[Gasification] Charcoal/Biochar making

Pannirselvam P.V pannirbr at gmail.com
Wed Mar 27 17:22:19 CDT 2013

Helo   Dr.Thomas  and Tom Reed

   According to the published report ,  the charcoal  obtained by slow
pyrolysis ate lower temperature  are  not as effective as biochar made  at
high temperature .This can be due to the partical size .Let us see how your
experimental results  can agree with this  or not  .Experiemnetal results
 can solve  this problem well

Thanking   for sharing  your  expert views  before experiments rather than
afer the results obtained  , as most  here usualy  share resukts here ,
also analyse this along with other.This list with very large list member ,
some  lIke  TOM  and Dr. Thomas are realy not only  have  good  practical
experience  , as they  gained after travel a long distance  participating
seminars , conferences but also they  find time ,to  share the knowledge
here.Thus the new  comer  here to this list can learn very quickly from the
 well madem from valuable  debate , some are realy very critical too,

    Very glad that Thamos Reed   as active as used to be like TOM Reed to
make the list debate very dynamic one  , online , colaborative ,
multimedia.Thanking all the team work  who make this possible  as  an well
organised globalised forum , as not the topic has relevant trend , but also
the we  can all make the small bioenergy from waste   as more practical too

 Yours  sincerly
Pannirselvam .P.V
Natal, NE,BR

On Wed, Mar 27, 2013 at 6:18 PM, Thomas Reed <tombreed2010 at gmail.com> wrote:

> Dear Pyrolysis/gasification List
> The  jewel  in charcoal making is "autopyrolysis". Most people think
> Charcoal has to be made in heated kilns, but you can be in business today
> much more simply.  Once lit, dry fuel will auto-pyrolyse using the burning
> cellulose to pyrolyse the 20% lignin which converts to charcoal.
> If you look on the web under
> "WoodGas Stove Pics", you will see dozens of variations on the Toplit
> Updraft stove I invented (in my MIT lab) in 1985, after seeing the dreadful
> cooking of the blacks in South Africa.
> If you take a cylinder full of woodchips, pellets or other biomass,with
> inlet air holes near the bottom and much larger (X5) holes near the top,
> and light it ON TOP with IPA or kerosene or tinder, the top layer will burn
> leaving charcoal, then ignite the second, third etc. until all the fuel has
> converted to charcoal.  With a 1.5V fan you can get a really beautiful,
> intense, clean burn. Without the fan, you still get a pretty clean upper
> gas flame and a can full of charcoal.
> [image: woodgas-stove.jpg]
> <><><>
> If you make a tight pyramid of dry small sticks and light it on top you'll
> wind up with a pile of charcoal, typically a 20% yield.  Put a wet
> newspaper under the pile, and the steam from the last layer charring will
> extinguish the charcoal when the last layer is ignited..
> Here's a picture of the Rick Heating they use to make charcoal at Jack
> Daniels's: (those are 4 ft logs of high density sugar maple from steep
> slopes):
> [image: image.jpeg]
> I have measured the flame temperature in the can or pile at 500-600C. Most
> charcoal is made in kilns at 400-450C.  (Actually, I believe the kilns are
> only heated to ~ 280 C, at which point the reaction
>     CH2O (Carbo-hydrate, short for C6H12O6 (sugars and the polymers starch
> and cellulose)
>                 ===> C + H2O. (Actually most charcoals are only mostly C
> because they still have a lot of H and O unless heated to over 1000 C)
> I am running growing tests this sping to see whether 600C charcoal is
> better or worse than standard 400 C charcoal. I'll keep you posted, and I
> look forward to hearing your experience.
> Yours for better agriculture and climate with charcoal. (One of charcoal
> put in the ground keps 3.7 tons of CO2 out of our atmosphere.  It is the
> only action that is global warming positive.
> (To be continued)
> Yours for better ag and air...
> Tom Reed
> From Tom Reed
> Dr Thomas B Reed
> 508 353 7841
> Www.Woodgas.com <http://www.woodgas.com/>
> On Feb 4, 2013, at 5:28 PM, "Ralph Voss" <vosssouthpolls at gmail.com> wrote:
> Tom:****
>                 Greetings from central Missouri.  You cousin Roger gave me
> your name.  Both Roger and his former partner Harvey Buhr (who is my
> cousin) tell me your the man I need to see about biochar.  So here goes.**
> **
>                 I know very little about biochar.  I read a few pages in
> the book 1491 that covered terra preta.  I read a two-page article you
> wrote with three other gentlemen.  Other than that, I know very little.
> I’m a soil fanatic and want to know more.  I was delighted to see that you
> recommend mixing biochar with compost.  I’m going to a three-day compost
> school at the Rodale Institute in Kujtztown, Penn., later this month.  I
> already spray our pastures with raw milk, molasses, liquid fish, liquid
> kelp and several other amendments.  I’m delighted with the results.  I have
> a number of friends that use compost tea very successfully and while I’ve
> sprayed a little tea, I’ve not done much because I’ve not had any
> confidence in my ability to make good compost.****
>                 If you don’t mind giving a neophyte a few pointers, I’d
> like to hear from you.****
>                 I save links to articles I like.  Pasted in below is the
> link to the article I found when I googled your name.****
> Thanks****
> Ralph****
> ** **
> Biochar – Dr. Tom Reed****
> http://www.carbon-negative.us/docs/UsingBiocharInSoil.pdf
> Thomas B Reed
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