Monovalent selective electrodialysis: Modelling multi-ionic transport across selective membranes

Abstract Monovalent selective electrodialysis (MSED) is a variant of conventional (ED) that employs ion exchange membranes to preferentially remove monovalent ions relative divalent ions. This process can be beneficial when the rich stream has potential applications. In agriculture, for example, in calcium and magnesium deemed crops decrease use fertilizers would otherwise need re-introduced source water prior irrigation. MSED been used salt production, brine concentration, An experimentally validated computational model predict its performance, however, not available literature. The present work uses concepts from ED modelling build high-resolution predictive performance MSED. was with over 32 experiments at different operating conditions observed fit data within 6% 8% two types membranes. All voltage predictions were 10% conducted. then permselectivity across salinities compositions. These values extended investigate economic benefits using save greenhouses U.S. Results showed an average $4991 saved per hectare employing technology. aligned previous techno-economic studies conducted investigating agriculture.