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line-height:27px;"> 貴州全務環?？萍加邢薰?<br /> 聯系人：李經理<br /> 手機：18798614459<br /> 電話：0851-84405286<br /> 地址：貴州省貴陽市白云區通化路朝陽二期56棟 </div> </div> <div class="right"> <div class="title">您現在的位置：<a href='http://www.mydreamgames.com//'>主頁</a> > <a href='/cjwt/'>常見問題</a> > </div><br /> <div class="content"> <div class="bt"> <h1>淺談超濾系統在超純水設備中起到什么作用？</h1> <h6>來源：<a href="/" target="_blank">www.mydreamgames.com</a> 時間:2019-07-18 13:39 點擊：<script src="/plus/count.php?view=yes&aid=42&mid=1"type='text/javascript' language="javascript"></script></h6> </div> </div> <div class="nr_text"> <div> <span style="font-family:宋體;"><span style="font-size:16px;"> 超純水設備中超濾系統起到什么作用</span></span></div> <div> </div> <div> <span style="font-family:宋體;"><span style="font-size:16px;">　　現在的超純水設備的預處理很多會用到超濾系統，超濾系統的出水能夠滿足反滲透的進水需求，為反滲透的進水提供的保障，那么超純水設備使用超濾系統有什么作用呢?</span></span></div> <div> </div> <div> <span style="font-family:宋體;"><span style="font-size:16px;">　　降低進水混濁度：</span></span></div> <div> </div> <div> <span style="font-family:宋體;"><span style="font-size:16px;">　　當水中含有懸浮物、膠體、微生物和其他雜質時，都會使水產生一定程度的混濁，該混濁物對透過光線會產生阻礙作用，這種光學效應與雜質的多少，大小及形狀有關系。</span></span></div> <div> </div> <div> <span style="font-family:宋體;"><span style="font-size:16px;">　　微生物(細菌、藻類)的殺滅：</span></span></div> <div> </div> <div> <span style="font-family:宋體;"><span style="font-size:16px;">　　當水中含有微生物時，在進入前處理系統后，部分被截留微生物可能粘附在前處理系統，如多介質過濾器的介質表面。當粘附在超濾膜表面時生長繁殖，可能使微孔完全堵塞，甚至使中空纖維內腔完全堵塞。</span></span></div> <div> </div> <div> <span style="font-family:宋體;"><span style="font-size:16px;">　　可溶性有機物的去除：</span></span></div> <div> </div> <div> <span style="font-family:宋體;"><span style="font-size:16px;">　　可溶性有機物用絮凝沉降、多介質過濾以及超濾均無法徹底去除。目前多采用氧化法或者吸咐法。</span></span></div> <div> </div> <div> <span style="font-family:宋體;"><span style="font-size:16px;">　　(1)氧化法利用氯或次氯酸鈉進行氧化，對除去可溶性有機物效果比較好，另外臭氧和高錳酸鉀也是比較好的氧化劑，但成本略高。</span></span></div> <div> </div> <div> <span style="font-family:宋體;"><span style="font-size:16px;">　　(2)吸附法利用活性炭或大孔吸附樹脂可以有效除去可溶性有機物。但對于難以吸附的醇和酚等仍需采用氧化法處理。</span></span></div> <div> </div> <div> <span style="font-family:宋體;"><span style="font-size:16px;">　　懸浮物和膠體物質的去除：</span></span></div> <div> </div> <div> <span style="font-family:宋體;"><span style="font-size:16px;">　　對于粒徑5μm以上的雜質，可以選用5μm過濾精度的濾器去除，但對于0.3～5μm間的微細顆粒和膠體，雖然超濾對這些微粒和膠體有的去除作用，但對中空纖維超濾膜的危害是極為嚴重的。特別是膠體粒子帶有電荷，是物質分子和離子的聚合體，膠體所以能在水中穩定存在，主要是同性電荷的膠體粒子相互排斥的結果。向原水中加入與膠體粒子電性相反的荷電物質(絮凝劑)以打破膠體粒子的穩定性，使帶荷電的膠體粒子中和成電中性而使分散的膠體粒子凝聚成大的團塊，而后利用過濾或沉降便可以比較容易去除。</span></span></div> <br /> <hr /> <p> 上一篇：<a href='/cjwt/39.html'>工業純水設備出水量下降的原因</a> </p> <p> 下一篇：<a href='/cjwt/43.html'>如何保證全自動軟化水設備的使用效果？</a> </p> </div> <div class="RandomNews mt10"> <h2> 熱點資訊 </h2> <ul> <li><span class="fr">[2023-06-19]</span><a href="/technical/1775.html">貴州超純水設備，EDI電去離子超純水設備操作說</a></li> <li><span class="fr">[2023-06-16]</span><a href="/technical/1774.html">貴州純水設備，反滲透膜技術在純水制取工藝中</a></li> <li><span class="fr">[2023-06-08]</span><a 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