Extraction of polyoxotantalate by Mg-Fe layered double hydroxides: elucidation of sorption mechanisms

The extraction of Ta( v ) as polyoxometallate species (H x Ta 6 O 19 (8− x )− ) using Mg-Fe based Layered Double Hydroxide (LDH) was evaluated using pristine material or after different pre-treatments. Thus, the uptake increased from 100 ± 5 mg g −1 to 604 ± 30 mg g −1 , for respectively the carbona...

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