Autocatalytic plating in metal industry: Difference between revisions
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Latest revision as of 18:56, 13 February 2013
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- Autocatalytic plating flowsheet
Literatur: 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 |
Autocatalytic nickel on metals | Nickel sulphate, nickel chloride | Nickel: 2-10 g/l | BAT for the surface treatment of metals and plastics, August 2006 | ||||
Autocatalytic nickel coating for plastics | Nickel sulphate or nickel chloride, reducing agents (sodium hypophosphite), dimethylaminoboreane and optionally chelating compounds | Nickel: 2-5 g/l; sodium hypophosphite: 5-20 g/l; dimethylaminoborane: >10 g/l | |||||
Autocatalytic copper on metals and plastics | Copper, sodium hydroxide, chelating agents (EDTA or tratrates) and reducing agents (formaldehyde) | Copper: 2-5 g/l; sodium hydroxide: 15-20 g/l; chelating agents: 10-15 g/l; tartrates: 5-10 g/l; formaldehyde: 3-5 g/l |
- Energy losses from the surface area of heated process solutions
LITERATURE: BAT for the Surface Treatment of Metals and Plastics, May 2005