The world’s first water-atomized zinc dust production unit was commissioned at Canadian Electrolytic Zinc in 1985. The system consists of an atomizing unit, a dewatering, storage and retrieval system, and an automated make-up distribution loop. Atomization water is recovered, filtered and reused, while purified zinc sulfate solution is used for slurrying of the zinc dust and distribution to the purification circuit. In addition to the obvious advantage of eliminating a dusting problem, a reduction in zinc dust consumption on the order of 30% is anticipated. Greater efficiency is attributed to the smaller mean particle size and irregular particle shape of the water atomized zinc dust.
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G. Leroux is currently Assistant Production Superintendent in Hydrometallurgical Operations at Canadian Electrolytic Zinc.
J.P. St-Onge is currently Production Superintendent in Electrometallurgical Operations at Canadian Electrolytic Zinc.
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Leroux, G., St-Onge, J.P. Wet Zinc Dust Atomization. JOM 38, 46–48 (1986). https://doi.org/10.1007/BF03257789
- Zinc Dust
- Metal Surface Area
- Irregular Particle Shape