Find out the health concerns associated with chromium electoplating. How are people trying to resolve them?
Ans : Effluent discharged from the chromium electroplating industry contains a large number of metals, including chromium, copper, nickel, zinc, manganese and lead. There are various adverse effect associated with chromium electroplating on health . Some of them are cancer, respiratory track effect, acne , pimples, toothdecay , baldness, motion problems and permanent allergy of nose.
Due to increasing environmental and worker health concerns, some companies are seeking non-chromium alternatives for hard and decorative chromium applications. The non-chromium alternatives are as follows:
1. Electoplated Nickel (a) Nickel tungsten boron (b)Nickel tungsten cobalt
2. Non Nickel electroplated (a) Tin Cobalt (b) Cobalt Phosperous
3. Electroless Nickel (a) Nickel Tungsten (b) Nickel Boron
4. Other metals (a) Thermal sprays (high velocity oxygenated fuel), (b) Plasma spray (c) powder coating (d) laser cladding etc.