Module 1: Fuels characterization and energy balance
  Lecture 8:Gasification: Material and Heat Balance
 

The following diagram shows the input of materials like coal, air and steam in a gasifier and the outputs are producer gas, ashes, tar and soot.



Basis: 1000 Kg coal

a) Amount of producer gas
       Carbon balance
       C from coal = C in ashes + C in tar + C in soot + C in producer gas

b) To calculate amount of steam decomposed

  • Decomposition of steam produces H2 .
  • Moisture of coal directly enters into PG without being decomposed.
  • Moisture of air and steam decompose to H2 and is included in CH4, H2 and other hydrocarbons.