When one considers gasifier thermal operations, the production of HAP's
may occur, but they should be removed prior to engine operation as an
example, or else they will foul the engine. If the gas is combusted,
the HAP's contribute to the heating value of the gas because they are
large molecules and have a good heating value. The method we use for
reintroduction to the reactor is very simple, but is considered
proprietary.
Sincerely,
Leland T. "Tom" Taylor
President
Thermogenics Inc.
-----Original Message-----
From: Li CHEN <[email protected]>
To: Discussion of biomass pyrolysis and gasification
<[email protected]>
Cc: François Ricoul <[email protected]>
Sent: Fri, May 13, 2011 3:57 am
Subject: Re: [Gasification] tar Processign
All tar can be burned in the reactor without
produce HAP for example? What's the temperature and how inject
it?
Regards,
Li
Le 12/05/2011 15:55, [email protected] a écrit : We remove the tar
from the gas stream and recycle it back into the reactor for
destruction. It increases the heating value of the gas
substantially by doing so. It is difficult to handle, do any
significant treatment/separations or other actions on it to make
it useful otherwise.
Sincerely,
Leland T. "Tom" Taylor
President
Thermogenics Inc.
-----Original Message-----
From: vikrant bhalerao <[email protected]>
To: gasification <[email protected]>
Sent: Wed, May 11, 2011 10:39 pm
Subject: Re: [Gasification] tar Processign
To , all
Can somebody elaborate the usage of Tar (waste(??) of Biomass
Gasification) ? Also i would like to explore the viability of Tar
process to nano fluid as Tar is complex carbon compund...
Thanks
With Regards,
Vikrant Bhalerao
Cummins Research and Technology Inc.
Mobile +91 89 833 20 725
On Thu, May 12, 2011 at 12:30 AM,
<[email protected]> wrote:
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Today's Topics:
1. Re: Charcoal Gasifiers (Robert Kana)
2. Re: Charcoal Gasifiers (Anand Karve)
3. Re: Charcoal Gasifiers (doug.williams)
4. Fruit of my ideas help Mississippi ([email protected])
5. wrong article- try this ([email protected])
----------------------------------------------------------------------
Message: 1
Date: Wed, 11 May 2011 03:14:21 +0700
From: Robert Kana <[email protected]>
To: Discussion of biomass pyrolysis and gasification
<[email protected]>
Subject: Re: [Gasification] Charcoal Gasifiers
Message-ID: <[email protected]>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Dear Arnt,
When we distill wood vinegar, actually very little tar comes to
the
collection tank, rest of the tar either stays in the pipes (has
to be
cleaned every month). This collection is done while the wood or
briquettes are drying in the chamber. Wood vinegar has no tar,
for soil
enrichment and ph control, it is diluted with water 1/100 or 200.
It can
also be used as pest control if diluted 1/300-500, just spray on
the
leaves and fruits. About 5-10 cc is put in to bath tub to clean
the
body, it is the main ingredient used in detox pads. When the wood
gas
start coming out, the chimney which is connected to the retort
chamber
is closed and we start burning wood gas in retort's fire chamber
to keep
heating the wood until the gas is finished, by than wood become
charcoal. If this wood gas could be harnessed, as Tom says there
is a
huge amount of energy is there.
So far I have tried couple of ways but not successful, and still
trying...
Regards,
Robert
------------------------------
Message: 2
Date: Wed, 11 May 2011 10:38:00 +0800
From: Anand Karve <[email protected]>
To: Discussion of biomass pyrolysis and gasification
<[email protected]>
Subject: Re: [Gasification] Charcoal Gasifiers
Message-ID:
<[email protected]>
Content-Type: text/plain; charset=ISO-8859-1
Dear List,
we have tested wood vinegar as a pesticide on plants. It works in
the
case of moderate infestation, but if the infestation is severe,
especially with sucking pests such as mealy bugs and woolly
aphids,
one has to use a conventional organo-phosphatic systemic
insecticide.
Biochar has never worked in our local soils, which have pH higher
than 8.5. Wood vinegar has a number of organic acids in it, which
may
be used by the soil micro-organisms as their carbon source, so
that
they multiply their numbers. That the population density of soil
micro-organisms is positively correlated with soil fertility, is
a
known and accepted fact. Therefore, any treatment, which causes
the
soil microbe population to rise, would automatically result in
higher
soil fertility.
Yours
A.D.Karve
On Wed, May 11, 2011 at 1:07 AM, Arnt Karlsen
<[email protected]> wrote:
> On Tue, 10 May 2011 21:12:57 +0700, Robert wrote in
message
> <[email protected]>:
>
>> Dear Anand,
>> Thanks for the info. I am a charcoal specialist
with biomass
>> background. I own a small briquette charcoal
factory and we know how
>> to use barrel to make charcoal. One suggestion, if
you have a long
>> chimney in the back, slent to chimney 30 degrees,
cover the top (must
>> be a temporary cover, when the wood gas started
coming out we need to
>> move the cover to burn the gas), let the wood smoke
get cooler and
>> put drum on the bottom so you can also collect wood
vinegar and teach
>> the farmers how to use wood vinegar for soil
enrichment, against
>> pests... Regards,
>> Robert
>
> ..how much carbon can be put into farmland soil this way,
> and the biochar way?
>
> --
> ..med vennlig hilsen = with Kind Regards from Arnt
Karlsen
> ...with a number of polar bear hunters in his ancestry...
> ?Scenarios always come in sets of three:
> ?best case, worst case, and just in case.
>
> _______________________________________________
> Gasification mailing list
>
> to Send a Message to the list, use the email address
> [email protected]
>
> to UNSUBSCRIBE or Change your List Settings use the web
page
>http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.b
ioenergylists.org
>
> for more Gasifiers, ?News and Information see our web
site:
> http://gasifiers.bioenergylists.org/
>
--
***
Dr. A.D. Karve
President, Appropriate Rural Technology Institute (ARTI)
*Please change my email address in your records to:
[email protected] *
------------------------------
Message: 3
Date: Wed, 11 May 2011 18:43:30 +1200
From: "doug.williams" <[email protected]>
To: "Discussion of biomass pyrolysis and gasification"
<[email protected]>
Subject: Re: [Gasification] Charcoal Gasifiers
Message-ID: <287CD0D497144956AB221B0401BC52DF@dougspc>
Content-Type: text/plain; charset="iso-8859-1"
Hi Dr Karve,
As this particular line of discussion is relevant to work of my
associates, I would like to offer some comments that may be of
interest to yourself and others who use the term biochars for
soils enhancement. I also have personal interest as a organic
citrus grower (in past years), and there is some relevance to put
reason behind certain failures.
>we have tested wood vinegar as a pesticide on plants. It
works in the
>case of moderate infestation, but if the infestation is
severe,
>especially with sucking pests such as mealy bugs and
woolly aphids,
>one has to use a conventional organo-phosphatic systemic
insecticide.
As an acid, wood vinegar cannot penetrate the waxy type coating
of "some" pests. From experience (not with wood vinegar), you need
to add a surfacicant, which wets the infestation through it's
protective coating. This is a simple as adding a liquid detergent
to the spray mix. I have no recommended ratio, but you can see it
work when the spray wets the insect. Most phenolic compounds will
kill or upset the insect to detach and leave the feeding surfaces.
>Biochar has never worked in our local soils, which have pH
higher
>than 8.5. Wood vinegar has a number of organic acids in
it, which may
>be used by the soil micro-organisms as their carbon
source, so that
>they multiply their numbers. That the population density
of soil
>micro-organisms is positively correlated with soil
fertility, is a
>known and accepted fact.
If the soils are already containing high levels of carbon or
micro-organisms, what you say has relevance, but key here in this
type of discussion, is the type of char being used. Most char
readily available as a waste stream and dumped as soil
enhancement, is of the wrong type to provide a habitat for soil
micro-organisms, being made to maximize the carbon content and
density for smokeless cooking. This is the type needed for carbon
sequestrian to maximize the reduction of atmospheric carbon. Soil
bacteria on the other hand, need safe habitats, and this type of
carbon is of the activated type, with huge internal surface
porosities. Other than providing a habitat, the carbon also
provide the means of holding nutrients in soils that might not
retain them if applied just to the soils.
Therefore, any treatment, which causes the
soil microbe population to rise, would automatically result in
higher
soil fertility.
I am 100% behind your conclusion, and hope the work that many are
devoting their soil research work, can add to their knowledge from
the flow on effect, of gasification technology.
Hope this might be of interest.
Doug Williams,
Fluidyne Gasification.
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Message: 4
Date: Wed, 11 May 2011 10:26:43 EDT
From: [email protected]
To: [email protected]
Subject: [Gasification] Fruit of my ideas help Mississippi
Message-ID: <[email protected]>
Content-Type: text/plain; charset="us-ascii"
Gasification friends,
It's been a while. Turbulent times for me here in Dayton, Ohio.
I
received a call from John Guthrie a couple of weeks ago. He told
me that he had
sold the land he wanted to sell me, to a company that makes
pellets. He said
" Katrina took all of our small trees". I thought he said
Pallets and
didn't know what he was calling me for. Then he mentioned a
chipping mill now
being built there. After I got off the phone I realized you don't
need a
chipping mill to make Pallets. I remembered pushing him in 2005
to bring a wood
pellet mill to Wiggins because the pulp market was glutted. He
didn't know
much about wood pellets.
I did a search on the web and found out what happened to my
need to
create a job for my tree shear with the pulp business glutted.
LOL
_http://biomassmagazine.com/articles/5044/enviva-acquires-pellet-plants-e
xpa
nds-pproduction_
(http://biomassmagazine.com/articles/5044/enviva-acquires-pellet-plants-e
xpands-pproduction)
Check it out. Maybe he will send some pellets north on the Kansas
City
Southern, the railroad company that brought him to Wiggins in
1948. A the time
Wiggins grew cucumbers and sold pickles.
You never know what will happen when you start promoting
Biomass
energy.
Dan Dimiduk
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Message: 5
Date: Wed, 11 May 2011 10:45:06 EDT
From: [email protected]
To: [email protected]
Subject: [Gasification] wrong article- try this
Message-ID: <[email protected]>
Content-Type: text/plain; charset="us-ascii"
_http://biomassmagazine.com/articles/5044/enviva-acquires-pellet-plants-e
xpa
nds-production_
(http://biomassmagazine.com/articles/5044/enviva-acquires-pellet-plants-e
xpands-production)
Dan Dimiduk
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End of Gasification Digest, Vol 9, Issue 5
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