First CO2 strippers
In 1967 the first two CO2 Strippers were taken into operation by Stamicarbon. One in the DSM urea plant in The Netherlands 220 mtpd plant and the other one in the Salzgitter Urea plant in Germany, a 165 mtpd plant (refer to picture). The materials of construction for the heat exchanger tubes of these Strippers was 316L UG. The measured corrosion rate was between 0,15 to 0,4 mm per year on stream.
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