Four new technical notes have been released by mineral processing laboratory Lakefield Research: Tailings testing (Vol. 5, No. 4), Advances in zinc flotation (Vol. 5, No. 5), Solvent extraction testing (Vol. 5, No. 6) and Copper solvent extraction-electrowinning pilot plant (Vol. 5, No. 7).
For more information, write Lakefield Research, 185 Concession St., Postal Bag 4300, Lakefield, Ont. K0L 2H0.
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