To the writer who asked about “meet the demands of all local TLUD users, at cost. “ I am known to be an advocate for TLUD technology. BUT…… If you want to make biochar at barrel sizes and larger, my r

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Thanks for all of your suggestions. Since even Sue agrees that biochar will be produced in a 10' dia X 30' X 7/8" rr tank rim with a 6' wide by 30' piece removed for feeding "waste wood". Her concern,

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Tom, Thank you for this contribution, it contains lots of good information. I believe that the current biomass power plants look at char as a fuel, and do everything they can to burn it. A gasificatio

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Hugh’s message (below) is a valuable evaluation and the a comparison about char-making options. INFO ITEM: To save this message for others to reference later (and because email messages are so short-l

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Hello List, Bill Knauss posted on another biochar group thread the video which describes "You can see from the video https://youtu.be/5Kfr4NRhJ0s that I made of the 350 gal TLUD back in 2012". I found

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Tom, Thank you for that VERY valuable summary of some important issues that will impact the larger RoCC kilns. We will be check such things when the units are operational. We will be looking to Biocha

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Air quality will be the primary limit on any of the mobile open stack devices like the RoCC or large flame cap kilns. EPA rules consider an enclosed fire of more than 2 tons per day (167 lb/hr) to be

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Kirk, You are certainly one of the most informed about combustion of TLUD gases. We thank you for your great efforts. 1. You largest TLUD is under 8 inches (20 cm) in diameter. You have not experience

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To Hans Erken, Thanks for the photo. Nicely done. TLUDs for making char, two sizes. No evident intent to cook, which forces cookstove TLUDs to have other characteristics that add cost and can be incon

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All, There are some good insights in Hugh's contribution. 1. TLUDs are not chaotic. The migratory pyrolysis front moves evenly downward. I have noted that there are variations in the exhaust gasses of

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I'm new to biochar, younger than most of you, and have only had the experience of building two(a TLUD stove, and a retort with a rocket stove through the middle) and two half finished(a pipe FA TLUD a

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One way to create a reliable gas seal is by use of a pumpable slurry. It is used all the time in the oil and gas industry. You are wrong about the molecular weight of carbon monoxide though period it

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Hi Dick, Good to see you are still going at this ! We last corresponded in 2013. You have had many suggestionson this, but I’ll offer a few thoughts anyway : Horizontal : to prevent gas and smoke afte

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For me it is all about the chimney. I developed the TLUD in this image some years ago and it works very well and I can’t improve on it. I have played with TLUDs that are more portable but I find lower

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Lowstuter, Derek <derek.lowstuter@...> Nov 14, 2019, 12:51 PM Reply to me Hi Dick, We used the surplus oil tank because it was large enough to handle whole trees and was cheap (free in our case).

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Hi Paul, I hope that both of our plans work, that you sell many of your patented kilns and my flying turtle does well enough to make a dent in Winona's and other communities "waste wood". Following yo

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Dear list, The basics of Tlud's are well established, if not well organized. Let me share a few of my hunches, developed over the years: 1) Tlud's are not chaotic. This means they follow the same path

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Dick, Dick, I have written why the “turtle top” (dome-side up) over a trench is sooooo unlikely to work. You have just recently written about the vertical Railway tank on your farm. I have attached a

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Hi Paul, The original idea was to burn the logs in the half tank and then tip it over on top of the embers. The question is, would an open burn approach lose more heat, and be less efficient in terms

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Hi Paul, Sue doesn't like turtles, (she shouldn't have confused you into 18 tons) but I do (did I tell you about hatching 6K soft shelled turtle eggs, I dug on Ms. R. sandbars summer of '72) ? She's c

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