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<br/>1.他的吸附量較大，樹脂的飽和吸附量達10~16， <br/>2.他的吸附速度快，是普通椰殼碳吸附速度的五倍以上，使用吸附柱串聯(lián)起來進行吸附的方法有很高的吸附速度 <br/>3.選擇性較好，對其他金屬離子(如銅，鎳，鐵，鉛等)的干擾程度小 <br/>4.抗污染性能較好，可以用純凈水或氯化鈉溶液對他進行清洗 <br/>5.適用范圍較廣，主要應(yīng)用于氰化溶液中金的吸附，也可以適用于對酸性溶液甚至王水中溶解的金的吸附 <br/>6.適應(yīng)條件寬，他對吸附條件PH值的要求不是太苛刻 <br/>7.提煉金的后處理方法多樣，可以進行液體解吸再火法提煉，也可以直接炭化后燒掉，直接提煉成單質(zhì)金顆粒，回收率較高 <br/>8.可以對超低濃度的金貧液進行吸附，*小的金溶液濃度可以達到1PPM，這樣可以對含量超低的金貧液和廢液進行合理的回收及利用，減少不必要的浪費和損失 </span>介紹電鍍廢水除鉻樹脂的物理結(jié)構(gòu)<strong>離子交換樹脂</strong>常分為凝膠型和大孔型兩類。</p><p><br/></p><p>　　凝膠型樹脂的高分子骨架，在干燥的情況下內(nèi)部沒有毛細孔。它在吸水時潤脹，在大分子鏈節(jié)間形成很微細的孔隙，通常稱為顯微孔。濕潤樹脂的平均孔徑為2～4nm(2×10-6～4×10-6mm)。離子交換樹脂這類樹脂較適合用于吸附無機離子，它們的直徑較小，一般為0.3～0.6nm。這類樹脂不能吸附大分子有機物質(zhì)，因后者的尺寸較大，如蛋白質(zhì)分子直徑為5～20nm，不能進入這類樹脂的顯微孔隙中。<br/> </p><p><br/> </p><p>　　大孔型樹脂是在聚合反應(yīng)時加入致孔劑，形成多孔海綿狀構(gòu)造的骨架，內(nèi)部有大量性的微孔，再導(dǎo)入交換基團制成。它并存有微細孔和大網(wǎng)孔潤濕樹脂的孔徑達100～500nm，其大小和數(shù)量都可以在制造時控制。孔道的表面積可以增大到超過1000m2/g。江蘇色可賽思樹脂有限公司整理這不僅為離子交換提供了良好的接觸條件，縮短了離子擴散的路程，還增加了許多鏈節(jié)活性中心，通過分子間的范德華引力產(chǎn)生分子吸附作用，能夠象活性炭那樣吸附各種非離子性物質(zhì)，擴大它的功能。一些不帶交換功能團的大孔型樹脂也能夠吸附、分離多種物質(zhì)，例如化工廠廢水中的酚類物。</p><p>　　大孔樹脂內(nèi)部的孔隙又多又大，表面積很大，活性中心多，離子擴散速度快，離子交換速度也快很多，約比凝膠型樹脂快約十倍。使用時的作用快、效率高，所需處理時間縮短。大孔樹脂還有多種優(yōu)點：耐溶脹，不易碎裂，耐氧化，耐磨損，耐熱及耐溫度變化，以及對有機大分子物質(zhì)較易吸附和交換，因而抗污染力強，并較容易再生。<br/><br/>　　</p> <div class="cwyoua6kiu" id="news_sx"><li id="cwyoua6kiu" class="sx_left">上一篇：<a href="/Article-3482950.html">超純水拋光樹脂的主要作用</a> <br />下一篇：<a href="/Article-3482940.html">怎么選擇氰化法提金樹脂</a></li></div> </div> </div> </div> </div> <div id="cwyoua6kiu" class="clear"></div> <div class="cwyoua6kiu" id="footer"> <div id="cwyoua6kiu" class="footernr"> <div id="cwyoua6kiu" class="footersub1"> <p>工作時間</p> <span>為了避免不必要的等待，敬請注意我們的工作時間。以下是我們的正常工作時間，中國大陸法定節(jié)假日除外。</span><br> 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