The inborne shape of sulfur in fuel coal is extremely complex

sulfur of different shape has different eduction behavior under high temperature

study on their behavior under high temperature being the basis for controlling effectively the emission technology of combustion. The eduction behavior and reaction property with limebase sulfurretaining agents

such as calcium oxide

lime stone

clay

and calcuim carbide residue

under different heating patterns of 1200℃ and 1250℃ have been studied by using a ZCS type intelligent sulfurdetermining instrument. FeS and thiophene are selected to represent inorganic and organic sulfur in coal respectively

and the eduction rules of main sulfur content

i.e. Sulfurbearing amino acid

in coal with total sulfur content less than 0.5% have also been studied.