Coal tar | chemical compound | Britannica
Coal tar, principal liquid product resulting from the carbonization of coal, i.e., the heating of coal in the absence of air, at temperatures ranging from about 900 to 1,200 °C (1,650 to 2,200 °F). Many commercially important compounds are derived from coal tar.coal tar pitch process flow diagram - packersandmoversin,Coal Tar Pitch Supplier, Find Best Coal Tar Find Best Coal Tar Pitch Supplier on Alibaba Coal Tar Pitch Supplier Directory. Source Top Quality Coal Tar Pitch Supplier, Coal Tar Pitch Companies, coal tar pitch,Get More Info.flow diagram of coal formation - BINQ Mining,Jun 26, 2013 · Underground coal gasification (UCG), wherein coal is converted to gas in-situ, moves the process. the chemistry of formation in stack emissions of toxic species such as benzo-a-pyrene, Figure 4: RBDM flow diagram for UCG operations.