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High aluminum and iron fly ash can be used to make flocculants

In this work, aluminum and iron existing in coal fly ash were extracted by the method of hydrochloric acid leaching. Effects of solid-liquid ratio, reaction temperature, reaction time, acid concentration, and raw ash mesh on recovery efficiencies of Al2O3 and Fe2O3 were investigated.

Revision Date:  6/27/2019

Tags:  221112 - Fossil Fuel 化石燃料, Flyash, Flocculant, Extraction, Leaching