Many researchers have indicated the possibility of using fine coal-based
briquettes as a fuel in power plants [3–5]. Briquetting is a complex process that must
deal with different types of fine-grained material. It is important to determine a
range of factors that will affect the process, such as material hardness, moisture content,
grain composition, internal and external friction, unit pressure, and type of
forming punch [6]. Fine coal waste has a low susceptibility to bind during the briquetting
process; therefore, it is desirable to change the properties of the material
[7], which can be achieved by adding a binder compound. A typical binder may contain
hydrolyzed flour, lime, starch, molasses, and some acids [8, 9]. The resulting
compound is formed in a press to obtain briquettes, which are then dried and conditioned
to produce a solid fuel for combustion in domestic and municipal building
boilers. Fine coal can also be mixed with biomass prior to forming in a press to
produce alternative fuels [7, 8].
Materials
Many researchers have indicated the possibility of using fine coal-based
briquettes as a fuel in power plants [3–5]. Briquetting is a complex process that must
deal with different types of fine-grained material. It is important to determine a
range of factors that will affect the process, such as material hardness, moisture content,
grain composition, internal and external friction, unit pressure, and type of
forming punch [6]. Fine coal waste has a low susceptibility to bind during the briquetting
process; therefore, it is desirable to change the properties of the material
[7], which can be achieved by adding a binder compound. A typical binder may contain
hydrolyzed flour, lime, starch, molasses, and some acids [8, 9]. The resulting
compound is formed in a press to obtain briquettes, which are then dried and conditioned
to produce a solid fuel for combustion in domestic and municipal building
boilers. Fine coal can also be mixed with biomass prior to forming in a press to
produce alternative fuels [7, 8].
Materials
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