The process of producing syn gas or synthesis gas from coal is called ‘coal gasification’?
C(s)
Coal
+
H2O(g)
Steam
1270K
────▸
CO(g)+H2(g)
synthesis‌gas
The production of hydrogen can be increased by reaching carbon monoxide of the syn gas with steam in the presence of iron chromate as a catalyst at 673 K. CO(g)+H2O(g)
FeCrO4,673K
────────▸
CO2(g)+H2(g) CO2 is removed by scrubbing with a solution of sodium arsenite.