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. Author manuscript; available in PMC: 2013 Feb 26.
Published in final edited form as: Water Res. 2012 Oct 13;47(1):269–278. doi: 10.1016/j.watres.2012.10.009

Fig. 2.

Fig. 2

(a) Temporal variations of pH within the Pd vicinity and (b) steady-state variations of pH along column. Pd vicinity refers to samples collected form Port P2. Operation conditions are: a flow rate of 2 mL/min and total current of 60 mA with 40 and 20 mA are distributed through Cathodes 1 and 2, respectively. Note for C2 (2 electrodes only) no current passed through Cathode 2.