Foundries processes - Strategic application technology
Oil and Gas Refining
By definition, crude oil and natural gas are the raw materials of the petrochemical industry, with inert gases such as N2 and CO2 already used on a large-scale during their extraction. The processing of crude oil to the desired end products involves several steps. Again, gases from Messer are used in many of these process steps.
Foundries processes
As far back as 5000 BC copper and gold were being used to cast artefacts; and iron casting was started in 500 BC. Today, non-ferrous foundries worldwide annually produce around 20 m tonnes; and grey cast iron, malleable cast iron, spheroidal graphite iron and cast steel foundries approx. 70 m tonnes of raw and finished components for the automobile, engineering, shipbuilding, hydraulics and construction industries.
Here we will be referring to iron and steel foundries. The main raw material for products is recycled scrap metal and pig iron.
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