重慶恒諾水處理設備有限公司從事水處理事業十多年,已成為重慶純水、超純水設備,重慶實驗室超純水設備,重慶工業電子級超純水設備,重慶實驗室廢水系統,重慶礦用水處理設備的(de)專(zhuan)業(ye)生產廠(chang)家(jia),致力于為客戶提(ti)供(gong)優(you)質的(de)水處理解決方(fang)案,今天分(fen)享周期換向電凝聚體系的(de)優(you)勢以及(ji)組成,供(gong)大(da)家(jia)參(can)考(kao)
傳(chuan)統的(de)(de)電(dian)(dian)凝聚(ju)技(ji)術(shu)多(duo)采取(qu)同(tong)(tong)種電(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(ji),在電(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(ji)反(fan)應過(guo)程中(zhong)(zhong),極(ji)(ji)(ji)(ji)(ji)(ji)板(ban)(ban)易發(fa)(fa)生鈍(dun)化(hua)(hua),形成致密(mi)的(de)(de)鈍(dun)化(hua)(hua)膜,阻礙或停止(zhi)反(fan)應的(de)(de)進(jin)(jin)一步進(jin)(jin)行(xing),降低了(le)處(chu)理(li)(li)效率(lv)。當(dang)(dang)電(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(ji)發(fa)(fa)生鈍(dun)化(hua)(hua)現象時(shi)(shi),會(hui)使(shi)處(chu)理(li)(li)效率(lv)降低,耗電(dian)(dian)量(liang)增加(jia),處(chu)理(li)(li)成本提(ti)升(sheng)。由于電(dian)(dian)氧化(hua)(hua)過(guo)程中(zhong)(zhong)陽極(ji)(ji)(ji)(ji)(ji)(ji)發(fa)(fa)生溶(rong)解(jie),陽極(ji)(ji)(ji)(ji)(ji)(ji)損(sun)耗嚴(yan)重(zhong)。理(li)(li)論上,電(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(ji)鈍(dun)化(hua)(hua)膜形成后,當(dang)(dang)采用換(huan)(huan)向(xiang)電(dian)(dian)源時(shi)(shi),可(ke)以使(shi)電(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(ji)形成的(de)(de)鈍(dun)化(hua)(hua)膜發(fa)(fa)生部分(fen)(fen)溶(rong)解(jie),延(yan)緩電(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(ji)鈍(dun)化(hua)(hua)過(guo)程,并(bing)使(shi)鈍(dun)化(hua)(hua)電(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(ji)活(huo)化(hua)(hua)。同(tong)(tong)時(shi)(shi),如果(guo)兩(liang)(liang)極(ji)(ji)(ji)(ji)(ji)(ji)均是可(ke)溶(rong)性電(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(ji),當(dang)(dang)采用周期(qi)換(huan)(huan)向(xiang)電(dian)(dian)源時(shi)(shi),兩(liang)(liang)極(ji)(ji)(ji)(ji)(ji)(ji)均可(ke)產(chan)生具有(you)絮凝作(zuo)(zuo)用的(de)(de)金屬離子(zi)(zi),更有(you)利(li)于提(ti)高處(chu)理(li)(li)效率(lv)。基(ji)(ji)于以上原(yuan)理(li)(li)性分(fen)(fen)析(xi),課(ke)題(ti)組采用了(le)金屬鋁(lv)板(ban)(ban)和鐵板(ban)(ban)分(fen)(fen)別作(zuo)(zuo)為(wei)兩(liang)(liang)極(ji)(ji)(ji)(ji)(ji)(ji),利(li)用周期(qi)換(huan)(huan)向(xiang)電(dian)(dian)源制成新型電(dian)(dian)化(hua)(hua)學(xue)反(fan)應器,利(li)用電(dian)(dian)凝聚(ju)方(fang)法處(chu)理(li)(li)模擬染料廢(fei)水(shui)(shui)(shui)(shui)。由于采用金屬鋁(lv)作(zuo)(zuo)為(wei)陽極(ji)(ji)(ji)(ji)(ji)(ji)時(shi)(shi)有(you)可(ke)能使(shi)鋁(lv)離子(zi)(zi)在廢(fei)水(shui)(shui)(shui)(shui)中(zhong)(zhong)出現剩余影響(xiang)水(shui)(shui)(shui)(shui)質(zhi),并(bing)因鋁(lv)陽極(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)過(guo)度溶(rong)解(jie)而加(jia)劇(ju)鋁(lv)極(ji)(ji)(ji)(ji)(ji)(ji)板(ban)(ban)損(sun)耗,通過(guo)調整兩(liang)(liang)極(ji)(ji)(ji)(ji)(ji)(ji)換(huan)(huan)向(xiang)周期(qi),可(ke)以在確(que)保高效處(chu)理(li)(li)廢(fei)水(shui)(shui)(shui)(shui)的(de)(de)同(tong)(tong)時(shi)(shi),有(you)效避(bi)免(mian)廢(fei)水(shui)(shui)(shui)(shui)中(zhong)(zhong)鋁(lv)離子(zi)(zi)過(guo)量(liang)存在的(de)(de)問題(ti),并(bing)減少極(ji)(ji)(ji)(ji)(ji)(ji)板(ban)(ban)的(de)(de)消耗。通過(guo)對采用不(bu)同(tong)(tong)電(dian)(dian)源、不(bu)同(tong)(tong)電(dian)(dian)極(ji)(ji)(ji)(ji)(ji)(ji)、不(bu)同(tong)(tong)換(huan)(huan)向(xiang)方(fang)式的(de)(de)對比(bi)研究,可(ke)以基(ji)(ji)于換(huan)(huan)向(xiang)過(guo)程對于廢(fei)水(shui)(shui)(shui)(shui)處(chu)理(li)(li)過(guo)程和處(chu)理(li)(li)機(ji)理(li)(li)、極(ji)(ji)(ji)(ji)(ji)(ji)板(ban)(ban)表面結構(gou)特征、回路中(zhong)(zhong)電(dian)(dian)流變(bian)化(hua)(hua)特點等(deng)進(jin)(jin)行(xing)理(li)(li)論分(fen)(fen)析(xi)和驗證,為(wei)優化(hua)(hua)周期(qi)換(huan)(huan)向(xiang)電(dian)(dian)凝聚(ju)法處(chu)理(li)(li)染料廢(fei)水(shui)(shui)(shui)(shui)的(de)(de)各項參數提(ti)供依據(ju)。
實(shi)驗處(chu)理裝(zhuang)置(zhi)采用自制的(de)圓(yuan)形無隔膜電(dian)解(jie)裝(zhuang)置(zhi)。電(dian)解(jie)槽材料為有機玻璃,直徑為85mm,高為90mm,有效容積為500mL。實(shi)驗電(dian)路由電(dian)源、電(dian)磁繼(ji)電(dian)器(qi)(qi)(qi)、時(shi)鐘繼(ji)電(dian)器(qi)(qi)(qi)、電(dian)流方(fang)(fang)向(xiang)轉(zhuan)換器(qi)(qi)(qi)、磁力攪(jiao)拌器(qi)(qi)(qi)經導(dao)線連接而成(cheng),通過對時(shi)鐘繼(ji)電(dian)器(qi)(qi)(qi)和(he)電(dian)流方(fang)(fang)向(xiang)轉(zhuan)換器(qi)(qi)(qi)的(de)調節(jie)以實(shi)現(xian)回路電(dian)流方(fang)(fang)向(xiang)和(he)處(chu)理時(shi)間的(de)變換。極板完全(quan)浸入溶(rong)液(ye)中,磁力攪(jiao)拌器(qi)(qi)(qi)在(zai)槽底進(jin)行攪(jiao)拌。
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