Fig. 5. Nitrate breakthrough curves at pH 7 (a) for different flow rates in the same wick, (b) for 10 mL h–1 flow rate in three different wicks, and (c) for 55 mL h–1 flow rate in three different wicks.
7 (a) for different flow rates in the same wick, (b) for 10 mL h–1 flow rate in three different wicks, and (c) for 55 mL h–1 flow rate in three different wicks.