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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Electrodialysis reversal ： ウィキペディア英語版 Electrodialysis reversal Electrodialysis reversal (EDR) is an electrodialysis reversal water desalination membrane process that has been commercially used since the early 1960s. An electric current migrates dissolved salt ions, including fluorides, nitrates and sulfates, through an electrodialysis stack consisting of alternating layers of cationic and anionic ion exchange membranes. Periodically, the direction of ion flow is reversed by reversing the polarity of the applied electric current.〔 Advanced electrodialysis units can hybridize with reverse osmosis (RO) systems. In an EDR-RO hybrid, the EDR unit functions as a chemical-free softener prior to RO treatment. The RO brine is then sent back into the advanced EDR unit for simultaneous concentration. As such, EDR is used to both pre-treat the RO feed and concentrate the RO brine. This hybrid configuration maximizes the efficiency of both technologies and produces a high concentration brine, greatly increasing recoveries. EDR-RO Hybrids are used in brine management applications; reducing brine disposal liabilities and costs. ==See also== *Reversed electrodialysis (RED) *Osmotic power 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Electrodialysis reversal」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.