Strategy for Separation and Recycle of Silver Tungsten Waste
2018 9 15 After washing, the silver content was 99.65% and the recovery rate was 97.9%. 3.The tungsten skeleton with silver content of 1.50% was obtained by drying the electrolytic anode slime at 150 ℃ for 2 hours. 4.The crushed silver containing tungsten powder was dissolved in 40% nitric acid and filtered to get the slurry and filter residue.