Fig. 13

The curve of the resin regeneration process in the fixed-bed column. (Flow rate 0.96 mL min−1, height of column 6 cm, diameter of column 1.2 cm, resin dosage 5.25 gr, H2SO4 concentration 3 M, temperature 25 °C).

The curve of the resin regeneration process in the fixed-bed column. (Flow rate 0.96 mL min−1, height of column 6 cm, diameter of column 1.2 cm, resin dosage 5.25 gr, H2SO4 concentration 3 M, temperature 25 °C).