Recovery of Zinc from Zinc Ash

Jha, R (1997) Recovery of Zinc from Zinc Ash. In: Workshop on Hot Dip Galvanizing - HODGA-97, 6-7, January 1997, National Metallurgical Laboratory, Jamshedpur.



The ever increasing need of zinc as a coating material on steels has compelled the galvanizers to have a rclook on the economic and effective use of this material. The annual world wide consumption of zinc for hot Clip galv-anizing is around 600000t. The effective utilisation of zinc in different galvanizing plant throughout the world averages 78% but in our plant it comes to 58% only. The world average of zinc loss as zinc ash is 3% in hot dip galvanizing while at Tata Steel zinc loss is about 14 - 16% (shown in Fig. 1). Of late, increased attention is being paid the world over for the recovery of scarce material from industrial waste. Particularly in India, it has drawn a great deal of importance as the country at present is not self sufficient in the production of zinc and has to import a substantial amount every year

Item Type:Conference or Workshop Item (Paper)
Official URL/DOI:
Uncontrolled Keywords:Zinc ash; hot dip galvanizing; zinc oxide; chlorine compounds
Divisions:Corrosion and Surface Engineering
ID Code:4281
Deposited By:Sahu A K
Deposited On:16 Nov 2011 13:08
Last Modified:12 Dec 2011 14:58
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