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Non-Chemical Incineration/gasification question

Gold Refining Forum

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VanMarco

Well-known member
Joined
Mar 9, 2013
Messages
75
Hi!
I was wondering something regarding incineration of chips (flatpacks) or cpu with no more pins soldered. back when I was in Italy I used this system to recover copper and other metals out of resin/rubber bonded coils, smokeless. I have a video on youtube at the bottom of this post. It basically consist in the drawing below, In there, i just used a basket made with mesh metal net placed on top of the wood. Of course there is some forced air, but just a bit, as you can see, til the basket sits in there no black smoke is done and no odour whatsoever. Of course if there's chlorine in the resins it will be released as it won't burn, and that would happen in ANY setup. the setup is cheap to make and easily replaceable, in my case i used for the inside a section of stainless steel chimney pipe and it last like forever, even with chlorine gas and high temperatures. but you can also use cans, but they'll get eaten fastly. My question is: This process is low on smell and pollution, but as being a gasifier it would burn the gasses out of the polymers and leave the carbon there. I have never figured out how to burn that as at the time it didn't matter. So how to burn the coal then? for anybody that's interested you can find the plan here, it runs on pallet sticks and pellets (the ones for home heating are good)
I will also post some quality pics of the resulting material to give you an idea. Back at the time I had also roasted transistors and mosfet to get the copper plate with good results.

instructions-wood-gas-stove.jpg


[youtube]http://www.youtube.com/watch?v=5rXp7O370xc[/youtube]
 
It would work.

But to do that indoors is just a stupid idea, hopefully that guy in the video only had two walls pictured in the video and no roof.
 
ahah it is me, that was a balcony that was about to turn into an inside, no roof on the head :)
 
VanMarco,

Sorry about that comment I meant no harm.

I do like your burner, from what I seen of the video scared me it looked to be indoors, as you know would be very dangerous.

But what I seen in the video concerned me (two walls) that looked like it was done indoors, As you know Stoichiometric Combustion is impossible although we can get close to complete combustion with excess air, there will always be toxic pollutants and we could burn all of the air out of a room or gas ourselves to death.

Carbon dioxide CO2 and carbon monoxide CO are sometimes confused. They are quite different in their effects on humans.
Both can be produced in combustion of fuel, not enough air produces CO, excess air can produces a safer CO2 gas.

Carbon dioxide CO2 is present in the atmosphere naturally. Burning wood also puts CO2 in the atmosphere, or from burning fuels, CO2 gas is one of the products of complete combustion.

Almost all life is dependent on plants getting CO2 from the atmosphere. That's where the carbon in wood and leaves comes from.
Human and animals breathe in air, take some of the oxygen from it (air is 20 percent oxygen), and breathe out a mixture that includes CO2 obtained by combining part of ones food with oxygen. Carbon is the results of our body making food into sugar and us burning that sugar.
Air can be about 5 percent CO2, from a stuffy room, before people become uncomfortable. According to the Wikipedia article, amounts above 800 ppm are considered unhealthy, amounts above 5,000 ppm are considered very unhealthy, and those above about 50,000 ppm are considered dangerous to animal life.
Carbon monoxide CO, unlike CO2, is a bad poison. CO is produced by incomplete combustion, i.e. when there isn't enough oxygen to make CO2, you get CO.
Carbon monoxide binds very strongly to the iron in the hemoglobin in the blood. Once carbon monoxide attaches, it is very difficult to release. So if you breathe in carbon monoxide, it sticks to your hemoglobin and takes up all of the oxygen binding sites your blood loses all of its ability to transport oxygen and you suffocate.
Because carbon monoxide binds to hemoglobin so strongly, you can be poisoned by carbon monoxide even at very low concentrations if you are exposed for a long period of time. Concentrations as low as 20 or 30 parts per million (PPM) can be harmful if you are exposed for several hours. Exposure at 2,000 PPM for one hour will cause unconsciousness.
 

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