[Market-farming] wood gassifiers for pto
martyk at allspecies.org
Fri Oct 22 09:19:03 EDT 2010
The attached photos didn't come through. I'd love to see them.
On 10/22/10 8:05 AM, Nan Hildreth wrote:
> Biochar helps my soil. In attached photos of a trial of 16
> seedlings, those with both compost and char did best.
> So I'd love to char up some of my tons of wood waste, especially the
> good for nothing pine. The piles of it laying about are snake
> habitat. This gadget may be what I need to get unstuck on that
> project. Compared to solar panels, the prices seem attractive. When
> you produce energy, you pay in advance. Energy prices are going up
> and supplies may be undependable. What would I do if the power went
> out at the farm for 2 weeks? No well. No freezer.
> Thanks for the link.
> Nan in Houston
> At 06:33 AM 10/19/2010, Richard Stewart wrote:
>> I am not yet sold on char, but I have been following it.
>> Right now I see a whole lot more interest in the tax credit scene
>> than in designing a system or product for farming.
>> The problem with both systems is that they are manual intensive
>> and/or costly. The Biochar Engineering device is the closest I have
>> seen in terms of ease of use, but I'd like to see them in commercial
>> application for a few years. As of last year it was still an
>> experiment. You need more than these machines though. You need a
>> system to dry your biomass (getting the most energy out of it and
>> decreasing vent gasses (which increase if matter is wet/damp/high
>> moisture content). You need storage and handling another auger and
>> loading system (doing it by hand increases work load and risk of
>> injury the way they are set-up. You then need water and electricity
>> hook up to run the systems (both are computerized) and you need to
>> quench the char.
>> I then need to justify the cost. The one machine you have tagged
>> costs over a hundred thousand dollars. Adding that machine would be
>> adding a new division of business in my farming because I would then
>> need to get hauling capacity, contracts for biomass (which, hopefully
>> I would get paid to remove or allowed to be dumped) and then
>> depending on where you live there may be permitting issues.
>> It is my opinion that as a farmer, biochar (which, regardless of how
>> they sell it is inactive carbon) would be a great way to get tax
>> credits from the government (pay me to store your sequestered carbon)
>> but as a useable soil amendment for my crops composting produces a
>> far better product.
>> I think its a great idea to sequester carbon and store it in a state
>> that is inert. I think it would also be a good system to heat a
>> large greenhouse complex and the char be a byproduct that is, once
>> combined with nutrients/compost/animal waste needed for growing sold
>> or used in house. I use a wood boiler to heat our farmhouse and
>> office. We burn nearly 11 tons of wood. That is a very small
>> application in a system that is in use for four months.
>> You need a whole LOT of DRY biomass to make these systems pay off.
>> Just some random thoughts on the matter.
>> Richard Stewart
>> Carriage House Farm
>> North Bend, Ohio
>> An Ohio Century Farm Est. 1855
>> (513) 967-1106
>> <mailto:rstewart at zoomtown.com>rstewart at zoomtown.com
>> On Oct 19, 2010, at 12:56 AM, Johnathan Yelenick wrote:
>>> wow. recent casual net surfing yielded some interesting thoughts.
>>> Check out this open source firm. Cool, cool stuff.
>>> Use a g.e.k. to fuel an engine that's coupled to a pto, which
>>> employs the wood chipper used to chip your gek's fuel substrate.
>>> Harvest the created biochar from the g.e.k. and put the biochar in
>>> the field shelterbelt coppice/pollard stand of Robina pseudoacacia
>>> and Quercus macrocarpa you established with an EQUIP-Organic Grant
>>> you won from the Natural Resource Conservation Service :) ...a
>>> shelterbelt-stand that serves as the substrate source for the gek
>>> and de facto global carbon sink.
>>> Once a deep anthropic histosol is developed in the coppice food
>>> forest shelterbelt, the coppice/pollard should be producing like
>>> crazy providing more than enough biochar substrate, which then may
>>> go onto crop fields, which then produce like crazy (because of
>>> increased CEC, increased soil water holding capacity, and decreased
>>> bulk density) - bettering the quality of life for everyone in the
>>> community and integrating the bioregion ecologically.
>>> Seems, naturally, like a self-enhancing cycle. :)
>>> There is this other local firm here in the Denver area that's making
>>> biochar machines too. But theirs are a little more pricey.
>>> http://www.biocharengineering.com/ How do you think these firms'
>>> products compare? I'm especially interested in the quality and
>>> quantity of the compared biochar between both units.
>>> looks like the biocharengineering unit doesn't capture the syngas or
>>> "woodgas" for mechanical work as the gek does.
>>> Blacktail Farm
>>> South Platte River Watershed
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> Nan Hildreth, Houston 713-842-6643
> Make Soil, End Global Warming
> "We could end global warming if we restored the fertility in the soils
> in the state of California." Dr. Elaine Ingham, www.soilfoodweb.com
> "...global warming can be reversed by restoring biodiversity in the
> soils and in the ocean. ... There is enough land to sequester this
> carbon and it could be done in a decade or two. ... Now that the Oil
> Age is coming to an end, we are entering the Soil Age. "
> "... a 1.6% increase in organic content of soils humans manage would
> restore atmospheric carbon dioxide levels to normal." says Allan
> Yeomans in
> http://www.youtube.com/user/AllanYeomans1#p/a/u/0/-o2N6vJDLpE Free
> download of his book
> "Soil is the new frontier" Eaarth by Bill McKibben
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