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Precious Metals to Petrochemicals: The Art and Science of Catalyst RecoveryIntroduction Every year, millions of metric tons of industrial catalysts reach the end of their operational lifecycle. Once deactivated fouled by coke deposits, poisoned by heavy metals, or simply spent after thousands of operating hours these materials are classified as spent catalysts. Yet far from being worthless waste, spent catalysts often contain significant quantities of precious and...0 Yorumlar 0 hisse senetleri 5 Views 0 önizleme