Show a Cr 1 LEACHING COPPER E l d f S f 4 I p f 1 r I Hugs Huge ug layers a of scrap tin and iron which will ill bt in v turned to to- to d dI 1 t Copper by precipitating or catching Copper In water at I. I Bingham Canyon Tin cans discarded in a stream by the wife vIte of a miner near Butte M Montana led to scientific research that resulted in the saving sa of much copper which otherwise might have been lost according to a legend of tie the mining Industry The wat water r of at the stream near which the miner had his cabin percolated percolated per per- through the tho hills of ot Butte picking up a certain amount of copper Tin cans thrown into the stream by the miners miner's wife wire picked up a certain amount of or the copper in the water and eventually the entire tin Un can was turned or replaced replaced re re- re- re placed to copper This led to scientific discoveries that brought about copper precipitation precipitation tation a practice now In Utah In an au effort to save every ounce of ot metal to create Industry and employment One of the largest copper stating plants In the tho world Is operated operated operated oper oper- h by the Utah Copper company at the mouth of Bingham Canyon Canon Like the mine itself which for so many years was considered worth worth- less due to the small copper con can tent of the ore the water which for tor forso forso torso so man many years flowed aimlessly I down Bingham Canyon is now beIng put to commercial use For every ton of ot ore are mined It Is necessary to mine about a ton of waste aste and more move it to nearby gulches The water percolates percolate through h the great mass of Waste vaste which has hag been removed from the mine leaches or picks up a certain amount of ot copper capper In solution By diverting the water into a plant at the bet of the canyon much of the cop bOrl is saved laved The water 3 ter is diverted to huge tanks which are filled tin preferably tinned de-tinned tin or scrap iron which attracts the copper In Inthe inthe inthe the water and within a comparatively comparatively campara short time the scrap is turned to copper Try It sometime by placing g your Christmas Jewelry in a pan of water containing copper In solution |