#destructive_distillation__destructivedistillation  heating a solid substance in a closed container and collecting the volatile products
  supertype:  #fractional_process__fractionation  a process that uses heat to separate a substance into its components
  subtype:  #carbonization__carbonisation  the destructive distillation of coal (as in coke ovens)

No statement uses or specializes #destructive_distillation; click here to add one.