Fig. 2
From: Flue gas desulfurization gypsum mineralization in waste Lye medium at pilot scale

(a) Structure of a pilot scale mineralization reactor: 1—gas tubes, 2—heating coils, 3—valve, 4—pH meter, 5—liquid pump, 6—gas flow meter, 7—gas pressure reducing valves, 8—CO2 cylinders, 9—insulation, 10—sampling tube. (b) Physical drawings of a pilot scale mineralization reactor.