S + ZnCl2 -> ZnS + 2Cl-
2ZnS + 3O2 -> 2ZnO + 2SO2
2ZnO + 2H2SO4 -> 2ZnSO4 + 2H2O
2ZnSO4 + 2Al -> 2Zn + 2Al2(SO4)3
Al2(SO4)3 + 3Zn -> 3ZnSO4 + 2Al
Zn + S -> ZnS
S + ZnCl2 -> ZnS + 2Cl-
2ZnS + 3O2 -> 2ZnO + 2SO2
2ZnO + 2H2SO4 -> 2ZnSO4 + 2H2O
2ZnSO4 + 2Al -> 2Zn + 2Al2(SO4)3
Al2(SO4)3 + 3Zn -> 3ZnSO4 + 2Al
Zn + S -> ZnS