85641 ⎘
Compounds of aluminium; Aluminium oxide; Aluminium hydroxide; Aluminates; Preparation of alkali metal aluminates; Aluminium oxide or hydroxide therefrom by treating aluminous minerals or waste-like raw materials with alkali hydroxide, e.g. leaching of bauxite according to the Bayer process from waste-like raw materials, e.g. fly ash or Bayer calcination dust
PREPARATION OF RARE EARTH METALS AND OTHER CHEMICALS FROM INDUSTRIAL WASTE COAL ASH
#2Preparation of rare earth metals and other chemicals from industrial waste coal ash
#3Preparation of rare earth metals and other chemicals from industrial waste coal ash
#4Method of recovering rare earth aluminum and silicon from rare earth-containing aluminum-silicon scraps
#5Method for co-producing alumina and activated calcium silicate from high-alumina fly ash
#6Process for recovering boehmite and y-AI2O3 from spent hydroprocessing catalysts
#7METHOD OF MANUFACTURING ALUMINA BY RECYCLING NICKEL-ALUMINUM
#8Process for recovery of silica followed by alumina from coal fly ash