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Processing, Recovery and Analysis of Precious Metals Using molecular Recogntion technology

贵金属 2012年第A1期33卷 88-95页

作者： IZATT Steven R. BRUENING Ronald L. IZATT Nell E. IBC Advanced Technologies Inc.856 East Utah Valley DriveAmerican ForkUT 84003USA

IBC Advanced Technologies' molecular recognition technology(MRT) products,trade named SuperLig,selectively and rapidly bind with target metal ions to remove them from *** MRT process can produce a high purity separation product of maximum added value at low *** this paper,applications of MRT in the precious metals industry,including selective commercial separations involving Au,Pd,Pt,Rh,and Ru,are described and *** of MRT to the analytical determination of precious metals is *** use of MRT in recovering precious metals from end-of-life(EOL) products is discussed.

关键词： selective metal separations molecular recognition technology metal recovery from waste electronics palladium platinum rhodium ruthenium gold analytical determinations

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Metal separations of interest to the Chinese metallurgical industry

引用

Journal of Rare Earths 2010年第S1期28卷 22-29页

作者： S.R.Izatt N.E.Izatt R.L.Bruening IBC Advanced Technologies Inc.856 E.Utah Valley DriveAmerican ForkUT 84003U.S.A.

IBC Advanced Technologies’ molecular recognition technology(MRT) SuperLig products selectively and rapidly bind with target species enabling their selective removal from *** MRT process can produce a high purity separation product of maximum added value at a competitive *** products have high selectivity for many target species which can include metal ions,anions,and neutral *** operation,the SuperLig product is first placed in a packed column.A solution containing a mixture of the target species and other chemical species is then passed through the *** target species is removed selectively by the SuperLig product,the column is washed to remove residual feed solution,and the target species is recovered by a minimal quantity of *** result is a pure and concentrated species that can be kept for its value or disposed of *** process is environmentally and ecologically friendly with no organic solvents being *** paper provides a review of some examples of applications of MRT to separations of interest to the Chinese metallurgical *** are several applications of MRT,including Pd separations from Pt metal refinery streams and low-grade spent catalyst wastes,Rh recovery from spent auto catalyst and other feeds,Re removal from selected impurity ions,Cd removal from Co electrolyte,Bi removal from Cu electrolyte,In and Ge separations from difficult matrices,and removal of bivalent first transition series and other metal ions from acid mine drainage(Berkeley Pit,Montana).Finally,the potential application of MRT to separations involving the recovery of rare earth metals and Li from low-level waste solutions and end-of-life products is discussed.

关键词： selective and environmentally friendly metal separations molecular recognition technology SuperLig platinum group metals minor metals transition series metals rhenium cadmium indium germanium bismuth rare earth metals lithium

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