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Post by nedreck on Dec 22, 2010 9:47:18 GMT -8
Looking for good information on Ph condensate from wood burning I came across an article that addresses another concern, cadmium. It does not dissolve in the water. Caution on where you allow the "steam" to vent to should be employed. It is certainly not an intense hazard, however, due to the ecological method in which many exploring these stoves live, there would be great wisdom in making sure this escaped without possible ingestion. Dumping this horizontal with a vent tilted down would drain the "water" from the vent and one might choose to use this "water" to water a planter that might grow food items, not good. Another concern I would have is if the flue vent is not high enough to free vent to the air, it might condense some of the steam on the roof of the structure. I would imagine many folks employ rain water collection even possibly for drinking. Seems to be a lot of opinions regarding the emissions on these bad puppies and the real problem is, a standard of using CO as a way to determine output works fine for a natural gas unit or even a wood stove with a high velocity flue, they know the mix, if X CO exist Y other stuff, but this stove is indeed different and a lower or abscence of CO does not then automaticly translate to the other stuff remaining. Use caution to be sure you do not let the condensate enter your food, drinking, or breathing stream until more is know. Article for your own review: germanpowergenerators.com/woodheating/5400309a620662203/5400309a1d0f4a01c/index.html
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Post by Donkey on Dec 22, 2010 12:46:45 GMT -8
Thanks Ned.. Hadn't heard about cadmium content in wood exhaust.. That's news to me.
I've got a list of questions to shoot at you.. Perhaps soon, maybe after Christmas, I'll have time to compose a list.
For now, gotta go. If we're having a Christmas pig, I'd better get on with the pig.. It ain't gonna jump in the oven on it's own!
Oh, you've got the book.. Some advise if you plan to build a test model soon: The gap between the top of the heat riser and barrel should be a bit larger than it says in the book. In fact, experience shows that these things run better with a larger volume in the barrel all around. I prefer to use steel pipe for the heat riser with a 16 gallon barrel to hold in the insulation. That leaves plenty of room (between) for a 55 gallon drum to go on outside. Works great and if you scrounge the stuff it costs little to nothing.
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