Cotter to brew uranium cocktail to clean tainted mine west of Denver

Cotter Corp. is preparing to brew a multimillion-gallon uranium cocktail in a mine shaft west of Denver — an innovation aimed at ending a threat to city water supplies.

If all goes well, mixing molasses and alcohol into a stream of filtered water pumped from the mine and discharged down Ralston Creek, and then re-injecting that mix into Cotter’s 2,000-foot-deep Schwartzwalder mine, will immobilize uranium tainting the creek.

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