Mercury, as a global pollutant, has raised worldwide concern due to its high toxicity, long-
distance transport, persistence, and bioaccumulation in the environment. Coal-fired power …

Coal is a complex geologic material composed mainly of organic matter and mineral matter,
the latter including minerals, poorly crystalline mineraloids, and elements associated with …

The material classed as “mineral matter” in coal embraces crystalline mineral materials as
well as a range of inorganic elements that occur in non-crystalline form. This review outlines …

Unburned carbon (UC) in fly ash indicates inefficiency in combustion and may be an
impediment to the beneficial use of fly ash or ash products in a variety of applications. The …

Vast quantities of ash are produced in coal combustion power stations annually. Including
aluminosilicate matrix, all ashes also contain unburned carbon (UC) of varying amounts; in …

The Late Permian coal in the Fusui Coalfield of southern China is characterized by high Fe-
sulfide and organic sulfur contents (2.60 and 2.94%, respectively). Trace elements including …

For well over a century and a half coal has played a vital role in South Africa's economy and
currently bituminous coal is the primary energy source for domestic electricity generation, as …

The increased global demand for rare earth elements (REEs) from unconventional sources
has led to increased interest and research in coal deposits. South Africa has extensive coal …

Determination of the geochemical and mineralogical characteristics of coal can provide
useful information on the geological setting and evolution of coal basins and assist in …

Toxic elements arsenic and selenium in coal are of great concern mainly because of their
adverse effects on human health during coal combustion. This paper describes the …