Metal desorption and sorbent recycling – relative yields.

Cycle no.	M-IDA-PGMA		M-IDP-PGMA
	De (%)	Re (%)	De (%)	Re (%)
1	97.86	100a	96.93	100a
2	97.22	96.32	96.7	95.86
3	95.84	94.53	94.58	92.92
4	94.99	92.84	92.71	90.62
5	93.86	91.59	89.24	87.07

^aReference value for metal ion sorption efficiency (at first cycle) (NaHCO₃: 0.25 M; T: 26 °C; sorbent dose: 2.0 g L⁻¹; time: 1.5 h).