反(fan)(fan)滲透(tou)(tou)水(shui)處(chu)(chu)理(li)設備通(tong)常由原水(shui)預(yu)處(chu)(chu)理(li)系(xi)統(tong)(tong)、反(fan)(fan)滲透(tou)(tou)純化(hua)(hua)(hua)系(xi)統(tong)(tong)、超純化(hua)(hua)(hua)后處(chu)(chu)理(li)系(xi)統(tong)(tong)三(san)部分組成(cheng)。預(yu)處(chu)(chu)理(li)的(de)(de)(de)目的(de)(de)(de)主要(yao)是(shi)使(shi)原水(shui)達到(dao)反(fan)(fan)滲透(tou)(tou)膜分離(li)組件(jian)的(de)(de)(de)進(jin)水(shui)要(yao)求,保證(zheng)反(fan)(fan)滲透(tou)(tou)純化(hua)(hua)(hua)系(xi)統(tong)(tong)的(de)(de)(de)穩定運(yun)行。反(fan)(fan)滲透(tou)(tou)膜系(xi)統(tong)(tong)是(shi)一次性(xing)去除原水(shui)中(zhong)98%以上(shang)離(li)子、有機物(wu)及100%微(wei)生物(wu)(理(li)論上(shang))較經(jing)濟高效的(de)(de)(de)純化(hua)(hua)(hua)方法。超純化(hua)(hua)(hua)后處(chu)(chu)理(li)系(xi)統(tong)(tong)通(tong)過(guo)多種集(ji)成(cheng)技術(shu)進(jin)一步(bu)去除反(fan)(fan)滲透(tou)(tou)純水(shui)中(zhong)尚存的(de)(de)(de)微(wei)量離(li)子、有機物(wu)等雜質,以滿足不同用(yong)途(tu)的(de)(de)(de)水(shui)質指標要(yao)求。
反滲(shen)透(tou)水(shui)(shui)處理設備的預處理系統通常由聚丙烯纖(xian)維(wei)(PP)過(guo)(guo)(guo)(guo)濾(lv)器(qi)和活性炭(AC)過(guo)(guo)(guo)(guo)濾(lv)器(qi)組(zu)成。對(dui)硬度較高(gao)(gao)的原水(shui)(shui)還需加裝軟化樹脂過(guo)(guo)(guo)(guo)濾(lv)器(qi)。PP濾(lv)芯(xin)可高(gao)(gao)效去除原水(shui)(shui)中5μm以上的機械顆粒雜質、鐵銹及大(da)的膠(jiao)狀物(wu)(wu)等污染物(wu)(wu),保護(hu)后續過(guo)(guo)(guo)(guo)濾(lv)器(qi),其特點是納污量大(da), 價格(ge)低(di)廉(lian)。AC活性炭濾(lv)芯(xin)可高(gao)(gao)效吸附原水(shui)(shui)中余氯和部(bu)分有機物(wu)(wu)、膠(jiao)體,保護(hu)聚酰胺反滲(shen)透(tou)復合膜免遭(zao)余氯氧化。軟化樹脂可脫除原水(shui)(shui)中大(da)部(bu)分鈣鎂離子,防止后續RO膜表面結(jie)垢堵(du)塞,提高(gao)(gao)水(shui)(shui)的回收率。
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