119502 ⎘
Obtaining refractory metals; Obtaining chromium, molybdenum or tungsten; Obtaining tungsten from spent catalysts
Process for oxidative cleavage of vegetable oils containing monosaturated fatty acid triglycerides
#2Method for selective recovery of valuable metal from waste denitrification catalyst through alkali fusion
#3Process for the recovery of cobalt and tungstic acid and/or its derivatives from aqueous solutions
#4Tungsten and vanadium separation
#5Process for the recovery of cobalt and tungstic acid and/or its derivatives from aqueous solutions
#6Method for leaching precious metals contained in waste denitrification catalyst using pressure leaching process
#7Methods for reprocessing used catalysts
#8Method for recovering vanadium and tungsten from leach solution of waste denitrification catalyst
#9Method for leaching valuable metals contained in waste denitrification catalyst by using roasting and water leaching
#10Method of separating and recovering metal elements
#11PROCESS FOR THE EXTRACTION OF SPECIFIC TRANSITION METALS
#12CATALYST RECOVERY PROCESS
#13Process for the extraction of specific transition metals
#14Process for the extraction of specific transition metals with gaseous HCL
#15Process for recovering group VIB metals from a catalyst