Extraction of alumina and silica from high-silica bauxite by sintering with sodium carbonate followed by two-step leaching with water and sulfuric acid
Yue Sun, Aifang Pan, Yuzhao Ma, Jie Chang
Abstract
A novel process is proposed to extract alumina and silica from high-silica bauxite without residue discharge.
Topics & Concepts
BauxiteLeaching (pedology)Sodium carbonateSulfuric acidSinteringExtraction (chemistry)CarbonateChemistryWater extractionSodiumInorganic chemistryMaterials scienceMetallurgyChromatographyEnvironmental scienceSoil scienceSoil waterBauxite Residue and UtilizationRecycling and utilization of industrial and municipal waste in materials productionAdvanced ceramic materials synthesis