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CO emissions measurement in metal production
Carbon monoxide is also used for many chemical manufacturing processes, for example in the production of metals. Plants for the production of pig iron or steel, as well as iron foundries with a daily production of more than 20 tons discharge substantial quantities of carbon monoxide.
Large quantities of carbon monoxide are also generated in the production of aluminium. The gas forms when an aluminium oxide mixture is heated in an iron casting ladle, into which an anode consisting of graphite cylinders is submerged. During this process the positive carbon oxidises to form carbon monoxide and carbon dioxide.
Violations of CO threshold values must be reported
Metal manufacturing companies must submit an annual report of their emissions to the Federal Environmental Agency if they exceed a defined threshold value. However, this requires precise measurement of the carbon monoxide concentration. CO sensors from smartGAS are the first choice here, because they feature outstanding selectivity and low drift, in addition to very short response times.