Coal combustion used by the Combined heat and power plants (CHPs) generates solid
wastes-coal fly ash (CFA). Up to 22% of the total electricity supply in Russian is coal …

Coal gangue is regarded as a potential source of aluminum and silica. In this work, acid
leaching behaviors of aluminum, iron, and silica in coal gangue were investigated using …

Aluminium and its chemicals are generally produced from its oxidic ores, mainly bauxite
through NaOH leaching by Bayer's process. There are other oxidic raw materials such as …

Thermal decomposition, phase transformation and microstructure change for the mixture of
kaolinite and sodium carbonate (Na 2 CO 3) calcined at different temperatures were studied …

This research has applied kaolin and active carbon (AC) to the investigation of the recovery
of aluminum from coal spol (CS). The kaolin, AC-containing kaolin mixture, and CS have …

Aluminum dross tailings, an industrial waste from the Egyptian Aluminum Company
(Egyptalum), was used to produce two types of alums: aluminum sulfate alum (Al 2 (SO 4) 3 …

The chemical reaction between calcium ions (Ca2+) and phosphate in the soil is the main
way to maintain the availability of soil phosphorus. Thus, we believe stimulating coal gangue …

During electricity production, the fly ash (FA) is generated from the combustion process and
it is a pollutant. Present investigation was carried out for the recovery of iron oxide and …

Coal is a major contributor to power and heat generation in the United States. According to
economic forecasts coal mining and consumption as fuel will increase through 2010 …

Coal gangue is mainly composed of SiO2, Al2O3 and other components. It is a huge reserve
of aluminum and silicon resources. The coal gangue stockpiles in China is more than 5 …