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target="_blank">重金屬螯合劑</a></strong>是一種能與重金屬離子強力螯合的化工藥劑，廣泛應用在電鍍業，電子工業，有色、鋼鐵冶煉業，膠片洗印廠，化學工業，垃圾焚燒廠，蓄電池廠等行業重金屬廢水處理?？膳c廢水中的鉻、鎳、銅、鋅、汞、錳、鎘、釩及錫等各種重金屬離子發生螯合反應，在短時間內迅速生成不溶性、低含水量、容易過濾去除的絮狀沉淀，從而達到從水中去除重金屬離子的化學品，故被稱為重金屬螯合劑。</div><div>　　重金屬廢水是指礦冶、機械制造、化工、電子和儀表等工業生產過程中排出的含重金屬的廢水。重金屬(如含鎘、鎳、汞、鋅等)廢水是對環境污染嚴重和對人類危害較大的工業廢水之一。而且廢水中的重金屬一般不能分解破壞，只能轉移其存在位置和轉變其物化形態。例如，經化學沉淀處理后，廢水中的重金屬從溶解的離子狀態轉變成難溶性化合物而沉淀下來，從水中轉移到污泥中；經離子交換處理后，廢水中的金屬離子轉移到離子交換樹脂上；經再生后又從離子交換樹脂上轉移到再生廢液中。中，化學處理時經常要用到重金屬螯合劑，該螯合劑與廢水中的重金屬螯合時，會生成不溶于水的重金屬螯合物，該螯合物在水中以懸濁液的行使存在。因此，在實際應用過程中，一般需要采用在懸濁液中加入絮凝劑或沉降劑的方法使螯合物沉降下來，從而達到分離重金屬的目的。</div><div>　　作用機理：</div><div>　　一般重金屬可以通過加堿沉淀得以去除，但一些行業例如線路板行業的污水重金屬很難去除，因為其含有很多絡合態的物質，與重金屬緊緊結合在一起，使普通的加堿沉淀也不能處理達標。</div><div>　　重金屬螯合劑專門為解決絡合態的重金屬超標問題而研發的，<strong>重金屬螯合劑</strong>通過多種螯合基團對重金屬離子螯合，產生疏水性結構而沉淀；同時，在體型結構的高分子作用下，通過絮集和網捕作用顯著提高沉淀速度和去除率，從而擺脫了線性螯合沉淀的缺點。</div><div>　　產品特點：</div><div>　　1、能在不同城市溫度環境下使用，能在很寬的 pH 范圍內完成有效反應；</div><div>　　2、能較好與飛灰中不同的重金屬離子起到很好的螯合作用，且反應時間短，去除效果佳；</div><div>　　3、處理成本低、操作方便、環保安全無毒；</div><div>　　4、和國內外同類產品比較，在相同灰量使用該產品去除效率高；</div><div>　　5、使用范圍廣泛，<strong>重金屬螯合劑</strong>可以滿足不同飛灰中重金屬含量使用；</div><div>　　6、可以不加水泥或少加水泥。</div> </div> <div class="NyPrevNext"> <ul> <li>上一篇：<a href="/Article-543918.html">鋅鎳合金廢水來源分析及處理方案探討</a></li> <li>下一篇：<a href="/Article-536917.html">一文三圖----詳細解說總氮的深度去除</a></li> </ul> </div> </div>  </div> <div class="clear"></div> </div>   <div class="h_foot"> <div class="pz_down"> <div class="w1300 clear"> <div class="footT"> <div class="footAddr"> <div class="footTit">蘇州湛清環?？萍加邢薰?/div> <div class="dAddr1"><img class="ico" src="/skins/128784/images/icon_foot1.png">地址：昆山市樂邦產業園</div> <div class="dAddr"><img class="ico" src="/skins/128784/images/icon_foot3.png">郵箱：sales@szzqhb.com</div> <div class="dAddr"><img class="ico" src="/skins/128784/images/icon_foot4.png">傳真：0512-50310052</div> </div> <div class="footNav"> <div class="footTit">快速鏈接</div> <div 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