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Table 1 Feed preparation and MEC operation in four experimental sets

From: Increasing phosphorus recovery from dewatering centrate in microbial electrolysis cells

Set A 1, 3, 5 SSM cathode pieces
No phosphate addition
Mg:NH4:PO4 = 2.0:66:0.43 (mM)
No acetate addition
Set B 1, 3, 5 SSM cathode pieces
1.5 mM Na2HPO4 addition
Mg:NH4:PO4 = 2.0:66:1.93 (mM)
No acetate addition
Set C Single SSM cathode piece
1.5, 3.0, 4.5 mM Na2HPO4 addition
Mg:NH4:PO4 = 2.0:66:1.93–4.93 (mM)
No acetate addition
Set D Single SSF cathode piece
1.5 mM Na2HPO4 addition
Mg:NH4:PO4 = 2.0:66:1.93 (mM)
12.2 mM NaCH3COO addition