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<h1>pam高分子絮凝劑廠(chǎng)家</h1> <div id="zb57d57" class="prodetail_ms"> <strong>產(chǎn)品描述：</strong>pam高分子絮凝劑廠(chǎng)家PAM高分子絮凝劑應用廣泛，在增稠、穩定膠體、減阻、粘結、成膜、生物醫學(xué)材料等方面。 </div> <p><span>發(fā)布時(shí)間：</span>2021-05-20</p> <p><span>瀏覽次數：</span>950</p> <div id="d77fz7d" class="product_btn"> <a href="/order.html" class="probtn1" rel="nofollow">在線(xiàn)詢(xún)價(jià)</a> <a href="/contact.html" class="probtn2" rel="nofollow">聯(lián)系我們</a> </div> </div> </div> <div id="5d57rjz" class="pro_list"> <div id="5x5fvjx" class="pro_con"> <div id="z77rjjx" class="pro_gs"> <div id="xv7vznb" class="gs_tit"><h3>產(chǎn)品概述</h3></div> <div id="5pvbt5j" class="gs_text"> <p><strong>pam高分子絮凝劑廠(chǎng)家</strong>PAM高分子絮凝劑又稱(chēng)聚丙烯酰胺絮凝劑，PAM高分子絮凝劑應用廣泛，在增稠、穩定膠體、減阻、粘結、成膜、生物醫學(xué)材料等方面。PAM高分子絮凝劑水處理中作助凝劑、絮凝劑、污泥脫水劑。PAM高分子絮凝劑在石油鉆采中作降水劑，驅油劑。在造紙過(guò)程中作助留劑，補強劑。</p><p>由于它的分子長(cháng)而細，會(huì )彎曲或卷曲成不規則的曲線(xiàn)形狀。這個(gè)長(cháng)分子鏈向外側伸出許多化學(xué)活性基團：酰胺基－conh2及羧基－cooˉ。酰胺基是非離子性基團，但亦善于形成副價(jià)鍵而與其它物質(zhì)的活性基團吸附并連結起來(lái)。由于聚丙烯酰胺分子長(cháng)而細并有許多化學(xué)活性基團，它們能和沉淀微粒產(chǎn)生很多連接而形成較大的絮凝物，這些絮凝物的結構就象棉絮那樣，松散、無(wú)定形，互相連結但不很穩固，內部有很多空間和很多微細的網(wǎng)絡(luò )，包藏著(zhù)大量液體，因而絮凝物的比重頗接近它所存在的液體本身。絮凝物中還網(wǎng)絡(luò )了各種各樣的微粒，這就將各種不同成分、不同性質(zhì)、不同大小的微粒集合在一起。由于絮凝物的尺寸較大，它的沉降和過(guò)濾都比較快。pam絮凝劑與廢水中膠體的絮凝作用是通過(guò)化學(xué)吸附和物理網(wǎng)絡(luò )這兩種形式產(chǎn)生的。根據上述機理可知，分子量較高、分子較長(cháng)的聚丙烯酰胺，能吸附較多的微粒，形成網(wǎng)絡(luò )的能力較強，故絮凝效能較好。同理，聚丙烯酰胺分子中羧基的比例適當也很重要，因廢水中的膠體多數帶負電，聚丙烯酰胺需要有適量的羧基通過(guò)鈣離子架橋與它作用。但如果羧基含量太多，聚丙烯酰胺分子本身負電過(guò)強，本身分子之間的相斥力過(guò)大，也不利于絮凝作用。</p><p><strong>pam高分子絮凝劑廠(chǎng)家</strong>現代污水處理技術(shù), 按處理程度劃分, 可分為一級、二級和三級處理工藝。污水一級處理應用物理方法; 污水二級處理主要是應用生物處理方法; 污水三級處理是在一、二級處理的基礎上, 應用絮凝、過(guò)濾、離子交換、反滲透等物理、化學(xué)方法去除污水中難溶解的有機物、磷、氮等營(yíng)養性物質(zhì)。對于三級處理中的絮凝沉淀法主要是利用絮凝劑對廢水進(jìn)行凈化處理的重要方法, 因其工藝簡(jiǎn)單、效率高、費用低等優(yōu)點(diǎn)而得到廣泛應用[1]。絮凝劑主要有無(wú)機高分子絮凝劑、有機高分子絮凝劑和生物絮凝劑。無(wú)機高分子絮凝劑一般分子量小、用量大進(jìn)而使總體處理成本高、容易腐蝕設備且添加到水體中的金屬鹽會(huì )對人類(lèi)健康造成不利影響等; 高分子絮凝劑在環(huán)境中的殘留物不易被自然降解、生產(chǎn)工藝復雜, 且此類(lèi)絮凝劑如聚丙烯酰胺的單體有神經(jīng)毒性和致畸、致癌、致突變的效應。</p> </div> </div> </div> <link rel="stylesheet" type="text/css" href="/css/MessageBoard_style.css"> <script language="javascript" src="/skins/Scripts/order.js?v=20210318" type="text/javascript"></script> <a name="order" id="order"></a> <div id="zxbhlnp" class="ly_msg" id="ly_msg"> <form method="post" name="form2" id="form2"> <h3>留言框 </h3> <ul> <li> <h4 class="xh">產(chǎn)品：</h4> <div id="vhldx77" class="msg_ipt1"><input class="textborder" size="30" name="Product" id="Product" value="pam高分子絮凝劑廠(chǎng)家" placeholder="請輸入產(chǎn)品名稱(chēng)" /></div> </li> <li> <h4>您的單位：</h4> <div id="z5thlbb" class="msg_ipt12"><input class="textborder" size="42" name="department" id="department" placeholder="請輸入您的單位名稱(chēng)" /></div> </li> <li> <h4 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