Synthetic Ium manganate has been made in the laboratory at low temperature. The d-spaciug of which shows 1. 002 nm, 0. 501 nm and 0. 34 nm respectively. As the analogue of natural 1nm manganate, it has been used for ...Synthetic Ium manganate has been made in the laboratory at low temperature. The d-spaciug of which shows 1. 002 nm, 0. 501 nm and 0. 34 nm respectively. As the analogue of natural 1nm manganate, it has been used for a serieS of experiments of divalent cations substitution. The results indicate that the 1nm manganate has very strong cation substitution capacity, which probable is the reason of the valuable metal such as Cu, Ni and Co enriched in the manganese nodules. The preference of canons substituting into S 1nm manganate is Cu>Co>Zn≥Ni>Ca>Mg. In the manganese nodules, the content of Ni is usually higher than that of Cu and Co, but in the cation substitution, the latter two are more preference than the former. One can infer from this differentiation that the post-deposition cation substitution is not the sole mechanism by which the valuable metals enter the manganese nodules. It could be the results of combined effects of both original formation and the post-deposition substitution of canons,which leads to the enrichment of valuable metal in the manganese nodules.展开更多
文摘Synthetic Ium manganate has been made in the laboratory at low temperature. The d-spaciug of which shows 1. 002 nm, 0. 501 nm and 0. 34 nm respectively. As the analogue of natural 1nm manganate, it has been used for a serieS of experiments of divalent cations substitution. The results indicate that the 1nm manganate has very strong cation substitution capacity, which probable is the reason of the valuable metal such as Cu, Ni and Co enriched in the manganese nodules. The preference of canons substituting into S 1nm manganate is Cu>Co>Zn≥Ni>Ca>Mg. In the manganese nodules, the content of Ni is usually higher than that of Cu and Co, but in the cation substitution, the latter two are more preference than the former. One can infer from this differentiation that the post-deposition cation substitution is not the sole mechanism by which the valuable metals enter the manganese nodules. It could be the results of combined effects of both original formation and the post-deposition substitution of canons,which leads to the enrichment of valuable metal in the manganese nodules.
