Neodymium Recovery by Chitosan/Iron(III) Hydroxide [ChiFer(III)] Sorbent Material: Batch and Column Systems.

Thus, K p values were obtained from the slope of the linear portions of the second phase of the kinetics profiles, these do not show a significant trend ( Table 3 ), but it is evident that the K p value for FD beads is higher than for AD beads at the same operating conditions (this confirms the easy accessibility and a better diffusion is performed into the pores of FD material).

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