Difference between revisions of "Plating zinc and zinc alloy in metal industry"
From Efficiency Finder
(New page: Back to EFFICIENCY FINDER FOR METAL INDUSTRY *;Description of the process *;Plating zinc and zinc alloy ...) |
|||
Line 33: | Line 33: | ||
| align="center" style="background:#2266CC;"|'''Literature''' | | align="center" style="background:#2266CC;"|'''Literature''' | ||
|- | |- | ||
− | | style="background:#AACCEE;"| | + | | style="background:#AACCEE;"| Plating with alcine cyanide zinc solutions|| align="center"| || align="center"| || align=”center”| || align=”center”| Zinc oxide, sodium hydroxide, sodium cyanide|| align="center"| Zinc oxide: 10-30 g/l; sodium hydroxide: 80-120 g/l; sodium cyanide: 5-100 g/l|| align="center"| || rowspan="4" align="center"| BAT for the surface treatment of metals and plastics, August 2006 |
|- | |- | ||
− | | style="background:#AACCEE;"| | + | | style="background:#AACCEE;"| Plating with alkaline cyanide-free zinc solutions|| align="center"| || align="center"| || align=”center”| || align=”center”| Zinc oxide, sodium hydroxide, potassium hydroxide|| align="center"| Zinc oxide: 5-15 g zinc/l; sodium hydroxide or potassium hydroxide: 100-150 g/l; || |
|- | |- | ||
− | | style="background:#AACCEE;"| | + | | style="background:#AACCEE;"| Plating with acid zinc solutions|| align="center"| || align="center"| || align=”center”| || align=”center”| Alloys: zinc/iron(<1%) from alkaline cyanide-free electrolytes; zinc-cobalt(<3% Co) from acid or cyanide-free electrolytes; zinc-nickel(<15% Ni) from acid (ammonium chloride-based) or cyanide-free electrolytes|| align="center"| || align="center"| || |
|} | |} | ||
Revision as of 10:58, 1 December 2010
Back to EFFICIENCY FINDER FOR METAL INDUSTRY
- Plating zinc and zinc alloy 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 |
Plating with alcine cyanide zinc solutions | Zinc oxide, sodium hydroxide, sodium cyanide | Zinc oxide: 10-30 g/l; sodium hydroxide: 80-120 g/l; sodium cyanide: 5-100 g/l | BAT for the surface treatment of metals and plastics, August 2006 | ||||
Plating with alkaline cyanide-free zinc solutions | Zinc oxide, sodium hydroxide, potassium hydroxide | Zinc oxide: 5-15 g zinc/l; sodium hydroxide or potassium hydroxide: 100-150 g/l; | |||||
Plating with acid zinc solutions | Alloys: zinc/iron(<1%) from alkaline cyanide-free electrolytes; zinc-cobalt(<3% Co) from acid or cyanide-free electrolytes; zinc-nickel(<15% Ni) from acid (ammonium chloride-based) or cyanide-free electrolytes |
- Plating zinc and zinc alloy
Literature: BAT for the Surface Treatment of Metals & Plastics, 2006
Literature: BAT for the Surface Treatment of Metals & Plastics, 2006
- Energy losses from the surface area of heated process solutions
LITERATURE: BAT for the Surface Treatment of Metals and Plastics, May 2005
Zinc electroplating:
LITERATURE: BAT for the Surface Treatment of Metals and Plastics, May 2005