Table 1. Chemical constituents of coal samples found in the major CPI-PPI network.
Compound | Classification | Chemical classification |
---|---|---|
Acenaphthene | Organic | Polycyclic Aromatic Hydrocarbon |
Anthracene | Organic | Polycyclic Aromatic Hydrocarbon |
Benzo(a)pyrene | Organic | Polycyclic Aromatic Hydrocarbon |
Benzo(b)fluoranthene | Organic | Polycyclic Aromatic Hydrocarbon |
Fluoranthene | Organic | Polycyclic Aromatic Hydrocarbon |
Naphthalene | Organic | Polycyclic Aromatic Hydrocarbon |
Phenanthrene | Organic | Polycyclic Aromatic Hydrocarbon |
SiO2 | Inorganic | Oxide of silicon |
TiO2 | Inorganic | Oxide of titanium |
Fe2O3 | Inorganic | Oxide of iron |
Al | Inorganic | Metal |
Ca | Inorganic | Alkaline earth metal |
Cl | Inorganic | Halogen |
Cr | Inorganic | Transition metal |
Fe | Inorganic | Transition metal |
K | Inorganic | Alkali metal |
Mg | Inorganic | Alkaline earth metal |
Mn | Inorganic | Transition metal |
Na | Inorganic | Alkali metal |
Ni | Inorganic | Transition metal |
S | Inorganic | Non-metal |
Sr | Inorganic | Alkaline earth metal |
Ti | Inorganic | Transition metal |
Zn | Inorganic | Transition metal |