Graywolf
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I've been impressed with the results demonstrated by the Tamisium extraction and recovery unit by others on line, but the sticker shock cuts to the very soul of a cheap bastage like Moi, so I began to think about how one might put together a more affordable system, operating on the same principles of hot and cold.
A storage tank can be simply made from a propane torch tank, by changing out the valve assembly. Since I've seen several pictures of that solution on line, I focused instead on the extraction unit itself. I've played with a couple different sizes and designs, but here is a conceptual design for simple one, that holds around an ounce and can be built for under a couple of hundred dollars.
Here is also another larger one, that uses borosilicate column and collection tank, so that you can watch it operate:
I will build the first to prove out the concept, and the glass and stainless unit, if the all stainless one pans out.
A storage tank can be simply made from a propane torch tank, by changing out the valve assembly. Since I've seen several pictures of that solution on line, I focused instead on the extraction unit itself. I've played with a couple different sizes and designs, but here is a conceptual design for simple one, that holds around an ounce and can be built for under a couple of hundred dollars.
Here is also another larger one, that uses borosilicate column and collection tank, so that you can watch it operate:
I will build the first to prove out the concept, and the glass and stainless unit, if the all stainless one pans out.
