with arrangements for preheating the blast or the water vapour

Production of gases containing carbon monoxide and hydrogen, e.g. synthesis gas or town gas, from solid carbonaceous materials by partial oxidation processes involving oxygen or steam > Other features > with arrangements for preheating the blast or the water vapour

Production of combustible gases containing carbon monoxide from solid carbonaceous fuels (destructive distillation processes C10B) > Other features > with arrangements for preheating the blast or the water vapour