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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(jìn)行陰、陽離子交換。而同時在電壓梯度的作用下，水會發(fā)生電解產(chǎn)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(jìn)行了再生。由于<\/span>EDI<\/span>不停進(jìn)行交換——再生，使得純水度越來越高，所以，輕而易舉的產(chǎn)生了高純度的高純水<\/span>,<\/span>這一新技術(shù)可以替代傳統(tǒng)的離子交換裝置，生產(chǎn)出高達(dá)<\/span>18M-CM<\/span>的超純水。<\/span><\/span><\/span>\r<\/p>\r

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

\r應(yīng)用領(lǐng)域 <\/span><\/span>\r<\/p>\r

\r　　⊙電廠化學(xué)水處理 <\/span><\/span>\r<\/p>\r

\r　　⊙電子、半導(dǎo)體、精密機(jī)械行業(yè)超純水 <\/span><\/span>\r<\/p>\r

\r　　⊙制藥工業(yè)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(xì)化工、精尖學(xué)科用水 <\/span><\/span>\r<\/p>\r

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

\rEDI優(yōu)點：<\/span><\/span><\/span>\r<\/p>\r

\r① <\/span><\/span><\/span>水質(zhì)穩(wěn)定 　<\/span><\/span>\r<\/p>\r

\r② <\/span><\/span><\/span>容易實現(xiàn)全自動控制<\/span><\/span>\r<\/p>\r

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

\r④ <\/span><\/span><\/span>不需化學(xué)再生<\/span><\/span>\r<\/p>\r

\r⑤ <\/span><\/span><\/span>⑤運(yùn)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>