Colour anodizing on aluminium in metal industry
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- Colour anodizing flowsheet
Literature: BAT for the Surface Treatment of Metals & Plastics, 2006
- Typical parameters of the process
| Process | Temperature [°C] | Heat transfer medium | Residence time | Chemicals | Concentration | Details | Literature |
| Electrolytical colouring | 25 | 1/2-5 min | Acid solutions containing metal salt (usally tin sulphate; for special applications: nickel, copper, cobalt can be used) | BAT for the surface treatment of metals and plastics, August 2006 |
- Energy losses from the surface area of heated process solutions
LITERATURE: BAT for the Surface Treatment of Metals and Plastics, May 2005
