Agitation Leaching in Parral Tank System
At the starting of agitation, after the tank has received its charge, the pulp level is the same within and without the air lift tube, which extends, say, 3 or 4 in. above the pulp level. If the pulp has the consistency of 2 to 1 of solution and solids, the pulp pressure on the bottom of the tank will be 0.54 lb. for each foot in height of tank charge. The air pressure for the agitation of
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