Removal of Sulfate Ions from Calcium Oxide Precipitation Enrichment of a Rare Earth Leaching Liquor by Stirring Washing with Sodium Hydroxide
Qiang He, Lai Fuguo, Anbang Lai, Jiang Qiu, Yanfei Xiao
Abstract
content in the mixed rare earth oxides caused by the calcium oxide precipitation process. The research in this paper can have great significance for green, efficient extraction of the ion-adsorption-type rare earth ore and the improvement of resource utilization.
Topics & Concepts
Leaching (pedology)ChemistryPrecipitationSodium hydroxideCalcium oxideCalcium hydroxideMagnesiumHydroxideOxideInorganic chemistrySodiumDifferential thermal analysisNuclear chemistrySoil waterEnvironmental sciencePhysical chemistryMeteorologyOpticsSoil sciencePhysicsOrganic chemistryDiffractionExtraction and Separation ProcessesBauxite Residue and UtilizationRecycling and Waste Management Techniques