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Anew financially viable and environmentally friendly way to recover and recycle gold from electronic waste has been outlined by scientists. With lower toxicity, cheaper cost and quicker extraction, the team has discovered an approach that could revolutionize the industry and be a veritable gold mine, so to speak.
"Gold is stripped out from circuits in about 10 seconds,
leaving the other metals intact," Foley said.
Foley said it requires 5,000 litres of aqua regia to extract
one kilogram of gold from printed circuit boards, none of which can
be recycled. With the new U of S solution, one kilogram of gold can
be extracted using only 100 litres of solution, all of which can be
recycled over again. The overall cost of this solution is only
50 cents a litre.
What his U of S research team has discovered is a process using a solution -- acetic acid combined with very small amounts of an oxidant and another acid -- that extracts gold efficiently and effectively without the environmental concerns of current industry practices.
It's a nice dream i've thought about it too. But 'They' the greedy ones who run this rock wouldn't allow it to go far. Unless they controlled it like they dream of controlling everything else on Planet Z.