2624217 EE/O electrical energy per order 42 2624223 EE/O electrical energy per order of reaction 3 2624220 EE/O electrical energy per order of pollutant removal 2 2624218 EE/O electrical efficiency per log order reduction 1 2624219 EE/O electrical energy consumption 1 2624225 EE/O energy consumed per magnitude of CBZ removed 1 2624224 EE/O energy consumption 1 2624221 EE/O energy consumption per unit volume 1 2624222 EE/O energy per order of magnitude of PFECA removal 1