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\rEDI是利用陰、陽離子膜，采用對稱堆放的形式，在陰、陽離子膜中間夾著陰、陽離子樹脂，分別在直流電壓的作用下，進行陰、陽離子交換。而同時在電壓梯度的作用下，水會發生電解產生大量<\/span>H+<\/span>和<\/span>OH-<\/span>，這些<\/span>H+<\/span>和<\/span>OH-<\/span>對離子膜中間的陰、陽離子不斷地進行了再生。由于<\/span>EDI<\/span>不停進行交換——再生，使得純水度越來越高，所以，輕而易舉的產生了高純度的高純水<\/span>,<\/span>這一新技術可以替代傳統的離子交換裝置，生產出高達<\/span>18M-CM<\/span>的超純水。<\/span><\/span><\/span>\r<\/p>\r

\r<\/span>\r<\/p>\r

\r應用領域 <\/span><\/span>\r<\/p>\r

\r　　⊙電廠化學水處理 <\/span><\/span>\r<\/p>\r

\r　　⊙電子、半導體、精密機械行業超純水 <\/span><\/span>\r<\/p>\r

\r　　⊙制藥工業工藝用水 <\/span><\/span>\r<\/p>\r

\r　　⊙食品、飲料、飲用水的制備 <\/span><\/span>\r<\/p>\r

\r　　⊙海水、苦咸水的淡化 <\/span><\/span>\r<\/p>\r

\r　　⊙精細化工、精尖學科用水 <\/span><\/span>\r<\/p>\r

\r⊙其他行業所需的高純水制備<\/span><\/span>\r<\/p>\r

\rEDI優點：<\/span><\/span><\/span>\r<\/p>\r

\r① <\/span><\/span><\/span>水質穩定 　<\/span><\/span>\r<\/p>\r

\r② <\/span><\/span><\/span>容易實現全自動控制<\/span><\/span>\r<\/p>\r

\r③ <\/span><\/span><\/span>不會因再生而停機<\/span><\/span>\r<\/p>\r

\r④ <\/span><\/span><\/span>不需化學再生<\/span><\/span>\r<\/p>\r

\r⑤ <\/span><\/span><\/span>⑤運行費用低 　　<\/span><\/span>\r<\/p>\r

\r⑥ <\/span><\/span><\/span>廠房面積小 　　<\/span><\/span>\r<\/p>\r

\r⑦ <\/span><\/span><\/span>無污水排放<\/span><\/span>\r<\/p><\/div>