Dear Terrey, About three years ago I applied the Roger Sampson rice husk method to a pile of chopped switch grass. One makes a container for some activation fuel and a stove pipe on top. Next the igniter gets covered with a pile of (in my case) switch grass. Next light the activation fuel by dropping a burning item down the flue pipe. There might be a cross pipe at the bottom, I don't recall. Stand ready, with water, to put out any fire that may develop on the surface. It showed some promise but I never had the time to further it.
I do not know if he still has his site, it was called something like REAP Canada. It was a PDF document with a non English word in the title, maybe something like Benchi Soil?????? He has been quite for years now so he might be doing something else. Best regards, Jeff ______________________________________________ "Once an owner has got used to charcoal gas he will never revert to the more expensive fuels", Geo Bray On Apr 4, 2015 10:21 PM, "T. GILL" <[email protected]> wrote: > 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 <[email protected]> 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 >> >> www.gasifiers.bioenergylists.org >> >> www.biochar.bioenergylists.org >> >> >> >> *From:* Gasification [mailto: >> [email protected]] *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 <[email protected]> >> wrote: >> >> I think Tom has a methane list somewhere. Maybe: >> >> http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.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" <[email protected]> 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. >> >> _______________________________________________ >> 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.bioenergylists.org >> >> for more Gasifiers, News and Information see our web site: >> http://gasifiers.bioenergylists.org/ >> >> >> _______________________________________________ >> 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.bioenergylists.org >> >> for more Gasifiers, News and Information see our web site: >> http://gasifiers.bioenergylists.org/ >> >> >> >> _______________________________________________ >> 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.bioenergylists.org >> >> for more Gasifiers, News and Information see our web site: >> http://gasifiers.bioenergylists.org/ >> >> > > _______________________________________________ > 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.bioenergylists.org > > for more Gasifiers, News and Information see our web site: > http://gasifiers.bioenergylists.org/ > >
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