Supported by the Special Project for High-end CNC Machine Tools and Basic Manufacturing Equipment of China(2012ZX04007-021);Liaoning Excellent Talents in University(LR2014004);the National Natural Science Foundation of China(51004071,50804031)
A new developed technology for extracting alumina from coal fly ash was studied in this paper. In this technology, coal fly ash is first sintered with ammonium sulfate, forming ammonium aluminum sulfate in the resulta...
Supported by National Natural Science Foundation of China (No.50804031)
Coarse γ-Al2O3 powder was prepared through acid leaching,solid-liquid separation,crystallizing and aluminum sulfate decomposing processes using coal fly ash and concentrated sulfuric acid as raw materials.The metallu...