Coal fly ash, an industrial by-product, is derived from coal combustion in thermal power
plants. It is one of the most complex anthropogenic materials, and its improper disposal has …

Coal fly ash, an industrial by-product, is derived from coal combustion in thermal power
plants. It is one of the most complex and abundant of anthropogenic materials, and its …

Fly ash, a by-product of high temperature combustion of coal in coal-fired power plants, is
one of the most complex and largest amount of industrial solid wastes generated in China …

Alumina was leached from coal fly ash using a mixed alkali (NaOH+ Ca (OH) 2) through the
hydrothermal method. The effects of leaching conditions on the alumina were studied, and …

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 …

This study aims at the effects of different cementitious materials (ie limestone powder, silica
fume and fly ash) on the mechanical performance and frost resistance of roller compacted …

Alumina extraction from coal fly ash (CFA) by Na 2 CO 3 activation-acid leaching method
could make Al 2 O 3 and SiO 2 in CFA achieve high value utilization simultaneously, which …

The extraction of alumina from coal fly ash is a good direction for its value-added utilization.
The presence of the inert matters with high degree of polymerization, such as mullite and …

Increasingly stringent environmental regulations and industry adoption of waste
minimization guidelines have thus, stimulated the need for the development of recycling and …

Circulating fluidized bed fly ash (CFBFA) is receiving widespread attention due to its threat
to the environment and its high content of alumina (30–50%), gallium (30–100 g/t), etc. In …