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This 321 stainless steel, high-pressure stripper column system was designed by ICI and built by Robert Jenkins, LTD. The column is rated for 250 psig at 220oC. The system used live steam to strip light components from crude methyl amine product (932 kg/m3 density).
The 321 stainless steel (10.5% Ni) column is 3.0' diameter by 54' straight side. It has a design pressure of 250 psig @ 220oC. The column has 28 single-pass valve trays also constructed of 321 stainless steel. The column has an internal overhead condenser mounted in the top head. It also has an overhead stream cooler as well as a bottoms cooler. There are two feed interchangers for heating the feed with the column bottoms stream.