At industrial scale, surely they recover that copper from the etching fluid? | Hacker News

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		shermantanktop 11 months ago \| parent \| context \| favorite \| on: PCBs, copper pours, ground planes, and you At industrial scale, surely they recover that copper from the etching fluid?

andrewflnr 11 months ago [–]

Even if they do, the recovery itself would surely have costs. It can't be easy.

iancmceachern 11 months ago | [–]

Indeed, the enchant is very nasty stuff, it's not easy or clean to do so.

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