Table 3. Performance of Different Lead and Lead-alloy Cathodes in the Adiponitrile Synthesis.
| entrya |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1b | 2c | 3c | 4c | 5c | 6c | 7c | 8c | 9c | |
| cathode | Pb | Pb | PbCu1.8 | PbCu0.8 | PbCu1.3 | PbCu3.7 | PbCu2.2Bi1.3 | PbCu1.3Te0.5 | PbCu1.3Se0.1 |
| corrosion (mg) | 0.2 | 0.14 | 0.03 | 0.09 | 0.04 | 0.03 | 0.045 | 0.05 | 0.03 |
| corrosion (mm/year) | 0.35 | 0.25 | 0.05 | 0.16 | 0.07 | 0.05 | 0.08 | 0.09 | 0.05 |
| time (h) | 90 | 90 | 200 | 209 | 96 | 90 | 96 | 96 | 96 |
| selectivity (%) | 90.3 | 90.4 | 90.9 | 91.4 | 90.4 | 88.8 | 90.0 | 90.9 | 90.9 |
a
Reaction conditions: undivided cell, steel anode, 20 A dm–2, 55 °C.
b
Bulk Pb cathode.
c
Electrodeposited on a circular steel plate (film thickness: 50 μm).