PC Boards are not smelted, they are shredded, then incinerated, then processed using different methods to extract the values.
Or another way it's done is to shred and separate using different methods, like in this video:
Regardless, it's not smelted.
Neither are TVs or PC Power Supplies. Matter of fact, the only items I know of that are smelted to recycle would be karat jewelry or solid metal items, and even at that they are not truly smelted, but instead are melted, cast into dore' and then assayed before being processed.
Scott
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