化工廠均相膜電滲析電(dian)(dian)(dian)滲析法是(shi)利用電(dian)(dian)(dian)場的(de)作用，強行將(jiang)離(li)子(zi)(zi)向電(dian)(dian)(dian)極處吸引，致使電(dian)(dian)(dian)極中間部(bu)位的(de)離(li)子(zi)(zi)濃度大(da)為下(xia)(xia)降，從(cong)而獲得淡水(shui)。一般情況下(xia)(xia)水(shui)中離(li)子(zi)(zi)都可(ke)以(yi)自(zi)由通過交換(huan)膜，除非人工(gong)合成(cheng)的(de)大(da)分子(zi)(zi)離(li)子(zi)(zi)。電(dian)(dian)(dian)滲析與電(dian)(dian)(dian)解不(bu)同之處在(zai)于(yu)：電(dian)(dian)(dian)滲析的(de)電(dian)(dian)(dian)壓雖(sui)高，電(dian)(dian)(dian)流并不(bu)大(da)，維持不(bu)了連續的(de)氧化(hua)還(huan)原反應(ying)所需，電(dian)(dian)(dian)解卻恰(qia)好相反。我司生產的(de)均相膜電(dian)(dian)(dian)滲析中試裝(zhuang)置廣泛應(ying)用于(yu)化(hua)工(gong)、輕工(gong)、冶金、造紙、海水(shui)淡化(hua)、環(huan)境(jing)保(bao)護等領(ling)域。

電驅動膜分(fen)離(li)設備是在外(wai)加直流電場的作用(yong)(yong)(yong)下(xia)，利用(yong)(yong)(yong)電驅動膜的選(xuan)擇(ze)透過性，使離(li)子從(cong)一部(bu)分(fen)水中(zhong)遷移到(dao)另一部(bu)分(fen)水中(zhong)的物(wu)理(li)化學過程。電驅動膜分(fen)離(li)淡化器，就(jiu)是利用(yong)(yong)(yong)多層隔(ge)室(shi)中(zhong)的電滲析過程達(da)到(dao)使水除鹽的目的。

電(dian)(dian)驅(qu)動膜分離(li)(li)器由(you)隔板、電(dian)(dian)驅(qu)動膜、電(dian)(dian)極、夾緊裝置(zhi)等(deng)主(zhu)要部(bu)件組成。電(dian)(dian)驅(qu)動膜對不同(tong)電(dian)(dian)荷的(de)離(li)(li)子(zi)具(ju)有選擇透(tou)過性。陽(yang)(yang)膜只允(yun)許通過陽(yang)(yang)離(li)(li)子(zi)，阻(zu)止陰離(li)(li)子(zi)通過；陰膜只允(yun)許通過陰離(li)(li)子(zi)，阻(zu)止陽(yang)(yang)離(li)(li)子(zi)通過。在(zai)外加直(zhi)流(liu)電(dian)(dian)場的(de)作(zuo)用下，水(shui)中(zhong)(zhong)離(li)(li)子(zi)作(zuo)定向(xiang)遷移。由(you)于電(dian)(dian)驅(qu)動膜分離(li)(li)器是由(you)多層隔室組成，故淡(dan)室中(zhong)(zhong)陰陽(yang)(yang)離(li)(li)子(zi)遷移到(dao)相鄰的(de)濃室中(zhong)(zhong)去，從而使含鹽水(shui)淡(dan)化。

化工廠均相膜電滲析電滲析法還利用(yong)(yong)離(li)子(zi)交(jiao)換(huan)(huan)(huan)(huan)膜(mo)進行(xing)海水淡化(hua)的(de)(de)方法。離(li)子(zi)交(jiao)換(huan)(huan)(huan)(huan)膜(mo)是一種(zhong)功能性(xing)膜(mo)，分(fen)(fen)為陰(yin)離(li)子(zi)交(jiao)換(huan)(huan)(huan)(huan)膜(mo)和陽(yang)離(li)子(zi)交(jiao)換(huan)(huan)(huan)(huan)膜(mo)，簡稱陰(yin)膜(mo)和陽(yang)膜(mo)。陽(yang)膜(mo)只允許陽(yang)離(li)子(zi)通過陰(yin)膜(mo)只允許陰(yin)離(li)子(zi)通過，這(zhe)就是離(li)子(zi)交(jiao)換(huan)(huan)(huan)(huan)膜(mo)的(de)(de)選擇(ze)透過性(xing)。在(zai)外加(jia)電場的(de)(de)的(de)(de)作用(yong)(yong)下，水溶(rong)液中的(de)(de)陰(yin)，陽(yang)離(li)子(zi)會(hui)分(fen)(fen)別向陽(yang)極(ji)和陰(yin)極(ji)移動(dong)，如果中間再(zai)加(jia)上一種(zhong)交(jiao)換(huan)(huan)(huan)(huan)膜(mo)，就可能達(da)到分(fen)(fen)離(li)濃縮的(de)(de)目的(de)(de)。電滲析法就是利用(yong)(yong)了(le)這(zhe)樣的(de)(de)原理。