The gas generated is led through the air filter system consists of 2 tank in which the average loss of iron-containing first was oxidation, the second vase contains lime water in Ca (OH) 2.
Gas generated is directed through air filter system consists of 2 first bottle which contains iron filings average was oxidized, water bottle containing lime Monday in Ca (OH) 2.
The gas band through the air filtration system consists of two righteousness containing iron ends which are first oxidized in the second bottle plus lime water (OH) 2.