Difference between revisions of "Plating cadmium in metal industry"
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Latest revision as of 18:46, 13 February 2013
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- Typical parameters of the process
Process | Temperature [°C] | Heat transfer medium | Residence time | Chemicals | Concentration | Details | Literature |
Plating with cadium cyanide solutions | 20-35 | NaOh, NaCN, cadmium | NaOh: 20 g/l; NaCN: 120 g/l; cadmium: 20-30 g/l | BAT for the surface treatment of metals and plastics, August 2006 | |||
Plating with cadmium fluoroborated solutions | 20-35 | Cadmium fluoroborate, ammonium fluoroborate, boric acid | Cadmium fluoroborate: 250 g/l; ammonium fluoroborate: 60 g/l; boric acids: 25 g/l | ||||
Plating with cadium sulphate solutions | 18-30 | Cadmium sulphate, sulphuric acid | Cadmium sulphate: 52-85 g/l; sulphuric acid: 50-120 g/l | ||||
Plating with cadium chloride solutions | Cadmium chloride, ammonium chloride, complexing agent (EDTA, NTA) | Cadmium chloride: 114 g/l; ammonium chloride: 112 g/l; complexing agent (EDTA,NTA): 180 g/l |
- Energy losses from the surface area of heated process solutions
LITERATURE: BAT for the Surface Treatment of Metals and Plastics, May 2005