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The effective area a e of three types of highly effective packings such as Raschig Super-Ring, IMTP and Ralu-Flow made from stainless steel and from plastic with nominal size from 20 to 70mm, are investigated using the Danckwerts method with absorption of CO 2 in NaOH by pseudo-first-order fast chemical reaction. The liquid superficial velocity L varied between 5 and 200m 3 ...
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