Difference between revisions of "Plating zinc and zinc alloy in metal industry"
From Efficiency Finder
m (Changed protection level for "Plating zinc and zinc alloy in metal industry" ([edit=sysop] (indefinite) [move=sysop] (indefinite))) |
|||
(2 intermediate revisions by the same user not shown) | |||
Line 37: | Line 37: | ||
| 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;"| 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;"| 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"| | + | | 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"| |
|} | |} | ||
Latest revision as of 18:41, 13 February 2013
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