119402 ⎘
Obtaining zinc or zinc oxide; Obtaining zinc otherwise than by distilling with leaching with alkaline solutions, e.g. ammonia
Compositions and processes for the extraction of metals using non-aqueous solvents
#2METHOD FOR RECOVERING VALUABLE MATERIALS FROM BATTERIES
#3Method of separating and recovering bromine from printed circuit board incineration ash by two-step process
#4AMMONIUM COMPLEX SYSTEM-BASED METHOD FOR SEPARATING AND PURIFYING LEAD, ZINC, CADMIUM, AND COPPER
#5INTEGRATED RECOVERY OF METALS FROM COMPLEX SUBSTRATES
#6METHOD FOR RECOVERING ZINC FROM SOLUTION
#7Processes for recovering non-ferrous metals from solid matrices
#8System and method for the recovery of metal values from slags, drosses, and other metal-bearing materials
#9Integrated recovery of metals from complex substrates
#10Method for producing a high-purity nanometer zinc oxide from steel plant smoke and dust by ammonia decarburization
#11Method for producing a high-purity nanometer zinc oxide from low-grade zinc oxide ore by ammonia decarburization
#12Processes for recovering non-ferrous metals from solid matrices
#13Process for recovering zinc and/or zinc oxide II
#14Selective leach recovery of zinc from a composite sulphide ore deposit, tailings, crushed ore or mine sludge
#15Process for purifying zinc oxide
#16Method for leaching zinc from a zinc ore
#17Method for extracting zinc from aqueous ammoniacal solutions
#18Method for ammoniacal leaching
#19Alkaline electro-hydrometallurgical process for Zn extraction from electric arc furnace dust
#20Process for upgrading an ore or concentrate
#21Process for hydrometallurgical treatment of electric arc furnace dust
#22Method for removing arsenic from copper smelting soot and comprehensive recovery of valuable metals