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Batches of authentic industrial base metal refinery (BMR) and precious metal refinery (PMR) effluents containing large amounts of Ni, Cu and Fe ions and relatively small amounts of the valuable Pt, Pd and Rh metal ions have been treated with silica-based (poly)amine anion exchangers. In most cases, notably with the PMR effluents, the extraction of Pt and Pd appeared to be very effective, with recuperation...
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