Efficient separation and extraction of alumina from coal fly ash using the potassium pyrosulfate and ammonium sulfate synergistic roasting-leaching process
Zhenzhong Bian, Zhenya Duan, Zhenyu Yang, Yifan Zhao, Donghui Yang, Qi An, Zhicheng Liu
Topics & Concepts
RoastingFly ashLeaching (pedology)Ammonium sulfatePotassium sulfatePotassiumChemistrySulfateCoalSeparation processExtraction (chemistry)Pulp and paper industryAmmoniumWaste managementEnvironmental scienceChromatographySoil scienceEngineeringOrganic chemistryPhysical chemistrySoil waterCoal and Its By-productsBauxite Residue and UtilizationMinerals Flotation and Separation Techniques