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Anyone know where this Mercury is coming from ?
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<blockquote data-quote="emapples" data-source="post: 3001987" data-attributes="member: 11752"><p>My apologies, it's been 8 years since I did this sort of thing....Sodium Metabisulfite, sodium Hydrosulfite (nasty stuff) are used to convert(i amsure there are other sulfite you could use) ferrous sulfate may have been used as the flocculant even, alum or polymers were used for speed, water went through a filter press then trivalent sludge went to a landfill or a recycler but I don't think recycling was efficient enough to ever catch on.</p><p></p><p>I believe Total sold Atotech last year, to Carlyle for a pretty penny. That's an industry that's sort of like Kodak film (not as bad as Kodak film) but it's still a diminishing industry with far fewer people plating these days. Aircraft is likely the biggest market for plating in general ....thought business</p></blockquote><p></p>
[QUOTE="emapples, post: 3001987, member: 11752"] My apologies, it's been 8 years since I did this sort of thing....Sodium Metabisulfite, sodium Hydrosulfite (nasty stuff) are used to convert(i amsure there are other sulfite you could use) ferrous sulfate may have been used as the flocculant even, alum or polymers were used for speed, water went through a filter press then trivalent sludge went to a landfill or a recycler but I don't think recycling was efficient enough to ever catch on. I believe Total sold Atotech last year, to Carlyle for a pretty penny. That's an industry that's sort of like Kodak film (not as bad as Kodak film) but it's still a diminishing industry with far fewer people plating these days. Aircraft is likely the biggest market for plating in general ....thought business [/QUOTE]
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