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Economic evaluation of an ammonium nitrate treatment process using different anion-exchange membranes (AEM), in which Ralex AMH, MA-41 and MA-40 are flat, MA-41p is a profiled (subscript “p”) version of MA-41, which surface denoted by (a) is shown on the right with a scale bar of 100 μm. aPrices are given for the year 2011. (Reproduced with permission from Reference [49]. Copyright 2016 Elsevier).
