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<p><p>　　今天，讓我們來(lái)看看非離子和兩性聚丙烯酰胺高分子絮凝劑各自的特點(diǎn)。</p><p>　　一、非離子絮凝劑</p><p>　　這種高分子絮凝劑是一種在合成中不引入帶電基團的聚合物，重要的有聚丙烯酰胺，聚氧化乙烯、聚乙烯醇、聚乙烯吡咯烷酮、聚乙烯甲醚、聚烷基酚環(huán)氧烷烴等。非離子型聚丙烯酰胺可以通過(guò)水溶液、沉淀、反相懸浮等聚合方法制備。</p><p>　　傳統的聚丙烯酰胺水溶液聚合體系粘度較高，分子量較低，固含量較低。有人用在聚合體系中加入分散劑聚乙二醇的方法，使固含量提高到1/5，聚合物分子達到300多萬(wàn)。</p><p style="text-align: center;"><img src="/upfile/202109/2021091162169873.jpg"/></p><p>　　二、兩性高分子絮凝劑</p><p>　　由于應用范圍的受限，非離子型高分子絮凝劑逐漸被水溶性?xún)尚愿叻肿有跄齽┤〈?。兩性絮凝劑高分子鏈同時(shí)含有正負電性基團，適用于陰陽(yáng)離子共存的污水，具有良好的絮凝和污泥脫水效果。酸堿度適用范圍廣，耐鹽性好，已成為*的*熱點(diǎn)。</p><p>　　與其他絮凝劑相比，兩性高分子絮凝劑在以下幾個(gè)方面有良好的應用前景。</p><p>　　1.污泥脫水。兩性高分子絮凝劑處理后的污泥沉降性能好，泥餅含水量少。</p><p>　　2.去除金屬離子。因為其分子中的陰離子和陽(yáng)離子基團可以與金屬離子螯合，并可以在等電點(diǎn)釋放，所以金屬離子可以通過(guò)這種性質(zhì)被分離和回收。</p><p>　　聚丙烯酰胺高分子絮凝劑還可以去除中小分子物。如有色物質(zhì)、腐殖酸如果你還有其他問(wèn)題想要了解，歡迎繼續關(guān)注我們。</p><p><br/></p></p> </div> </div>  </div> <div id="jw7kxs8" class="d-contbot"> <div id="hk2otjp" class="d-relate"> <div id="jbsydok" class="d-relateCon"> <div id="hupepfa" class=" d-rTit clearfix"> <div 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