Show DRY SILVER ORE YIELDS PROFIT BY FLOTATION PROCESS TREATMENT L H biggar mana manager 6 er of the ottawa mining and smelting smelling Sm elting company five miles out of slocan city on springer creek B C returned recently from the trail smelter where a parcel of ottawa concentrates had just been treated particular interest centered on the shipment because it was the first product of a new adaptation of the flotation process to dry silver ores and its success marks a step forward in the treatment of all similar low grade ores in the district it converts what is practically a waste product into a valuable asset mr biggar reports that tons of mill feed ore averaging 12 ounces to the ton was reduced to 20 tons tolls of concentrates containing 75 per cent of the total silver contents roughly 6 ounces and that the total costs of milling and handlin handling were vere only 2 to the ton of ore from the dump to the smelter As the smelter is 80 miles distant and the values are concentrated down to one thirty fifth of the original bulk t the he saving b in freight Z alone is apparent and the ottawa mill enill process bids fair to open a new e era ra in dry silver ore trea treatment ament mr bigger and associates have a four year leaston lease on the mine and enough ore broken to keep their plant occupied for that period but it is their intention having demonstrated its practicability to extend the plant and to treat ores for tb the e n neighboring C owne owners rs the ottawa is looking well and a comprehensive development program has been mapped out for the winter while the mill will be running on full time |