Treatment of Waste Water from Galvanizing Unit
Treatment of WasteWater from Galvanizing Unit
مخطط مقترح لمعالجة مياه الجلفنة 
Galvanizing Flux : Wet or Dry Method
Galvanizing Flux : Wet or Dry Method The advantages and disadvantages of the dry and wet methods are still disputed, which is better? But the choice depends to a large extent on the quality of the products for galvanizing. The main advantages of the dry method • Higher production capacity. • Reducing the output Dross. • Lower operating cost. The main disadvantages of the dry method: • Needs a bath (more space) • Needs heating (energy consumption) • Needs continuous treatment or shut down to adjust the concentration of the tank and iron content • These equipments need continuous and periodic maintenance. The main advantages of the wet method: • Providing space and equipment (there is no bath or heating). • A layer of Flux on the surface of the zinc kettle gives a better cleaning of the products surface especially when there were errors in the previous stages. • In general, it gives less thickness of zinc, especially if the product is pulled through th...
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