[Gasification] SPAM: Re: newbie question...

Sat Apr 4 21:51:39 CDT 2015

I wonder if the Chinese JXQ-10 gasifiers that are sold with a 2 burner cook
stove would work with the wheat straw.  The Chinese  marketers say that it
works well with rice straw.

This wouldn't get rid of a lot of straw in a short time, but might make it
worth while to store as cooking fuel.

Pete Stanaitis

----------------

From: Gasification [mailto:gasification-bounces at lists.bioenergylists.org] On
Behalf Of T. GILL
Sent: Saturday, April 04, 2015 9:21 PM
To: Discussion of biomass pyrolysis and gasification
Subject: Re: [Gasification] SPAM: Re: newbie question...

Hi Tom,

Thanks for the reply and feed back. Every year millions of tons of rice
straw and part of wheat straw is burnt, which leads to massive air pollution
and irreversible damage to the soil in Northern India. To make the matter
worse, this burning is done in a short period of a couple of weeks,
resulting in so much escalation in air pollution that, often people no
medical history of  asthma have problems breathing. 

Although burning of the paddy is banned under the law, but implementation of
the law is difficult, and little can the achieved without improving the
awareness of the farmers and finding a Eco-friendly solution such as its
conversion to bio-char. 

Well capacity of the bio-char kiln can be anything to between 2-5 mt/hr for
a fast pyrolysis and comparatively less for slow smouldering carbonization.

I am also keen on designs of temporary kilns which can be made using clay,
and can be destroyed after the straw is converted to bio-char. This bio-char
goes into soil anyway to improve the crop yield.

Regards,

Terrey

On Fri, Apr 3, 2015 at 11:08 AM, Tom Miles <tmiles at trmiles.com> wrote:

Carbonizing wheat straw  is a challenge. It is very low yield. The straw
itself contains enough air to support smoldering combustion. While it is
likely that the terra preta soils in Brazil were partly from smoldering
grasses the yield in char would have been very low. Having said that it is
both possible and desirable to carbonize grasses. Straw gasification is just
harder to control.  Some big bale size batch carbonizers have been developed
in Australia. A small stale externally heated carbonizer was developed by
ARTI in India. 

What scale or capacity are you looking for? Our biochar bloggers on Yahoo
may be helpful. 

Tom Miles

 <http://www.gasifiers.bioenergylists.org> www.gasifiers.bioenergylists.org

 <http://www.biochar.bioenergylists.org> www.biochar.bioenergylists.org

From: Gasification [mailto:gasification-bounces at lists.bioenergylists.org] On
Behalf Of T. GILL
Sent: Thursday, April 02, 2015 7:02 PM
To: Discussion of biomass pyrolysis and gasification
Subject: SPAM: Re: [Gasification] newbie question...

Hi All,

I am looking for a design for a  pyrolysis unit to convert hay (from wheat)
into bio-char.

Is it possible to convert the hay into bio-char with out using any external
fuel such as coal or gas?

Is it possible to use the hay as a fuel for slow pyrolysis.

please give you feed back.

Terrey Gill

On Thu, Apr 2, 2015 at 12:01 PM, Jeff Davis <jeffdavis0124 at gmail.com> wrote:

I think Tom has a methane list somewhere. Maybe:
http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergyli
sts.org

Pyrolysis gas can have a lot of tar in it. What is your plans for that?

Jeff

______________________________________________
"Once an owner has got used to charcoal gas he will never revert to the more
expensive fuels", Geo Bray

On Apr 1, 2015 5:43 PM, "hugh" <hugh at austrop.org.au> wrote:

Just joined .. and have been interested in gas from wood pyrolysisfor quite
a while - but also in methane from bio-digestion (small scale) .. and
haven't been able to find a suitable group

Does anybody have some suggestions?

Cheers

Hugh

(Dr) Hugh Spencer
Australian Tropical Research Foundation
Cape Tribulation Tropical Research Station
PMB 5 Cape Tribulation Qld.

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