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class="probtn1" rel="nofollow">在線詢價</a> <a href="/contact.html" class="probtn2" rel="nofollow">聯(lián)系我們</a> </div> </div> </div> <div id="cycuyki" class="pro_list"> <div id="a02iyy8" class="pro_con"> <div id="00aci02" class="pro_gs"> <div id="c0giao0" class="gs_tit"><h3>產(chǎn)品概述</h3></div> <div id="mmoosee" class="gs_text"> <p><strong>聚丙烯酰胺廠家驅(qū)油配方</strong></p><p>堿對聚丙烯酰胺的分子形態(tài)及其流變性的影響<br />在堿、活性劑、聚合物三元(ASP)復(fù)合驅(qū)提高石油采收率的技術(shù)中,由于堿與聚合物分子的不相容性,嚴(yán)重地影響著驅(qū)油配方體系的研究及復(fù)合驅(qū)技術(shù)的推廣.針對大慶油田的情況,利用HAAK流變儀,系統(tǒng)地研究了復(fù)合體系的流變性.結(jié)果表明,堿的加入明顯地破壞了ASP復(fù)合體系的粘彈性.利用原子力顯微鏡,研究了堿對聚合物分子形態(tài)的影響.在無堿條件下,聚合物分子在液相充分舒展,而加入堿造成聚合物分子蜷縮,堿濃度越高,聚丙烯酰胺分子蜷縮成的線團越緊湊.在低濃度堿溶液中(質(zhì)量分?jǐn)?shù)0.3%),聚合物分子也不能*舒展,而是以多個分子側(cè)向聚集狀態(tài)存在. 。</p><p>PAM沉淀的技術(shù)流程</p><p>沉淀是發(fā)生化學(xué)反應(yīng)時生成了不溶于反應(yīng)物所在溶液的物質(zhì)。從字意上理解就是在重力作用下沉淀去除。污水中的懸浮物質(zhì)，可以這是一種物理過程，簡便易行，效果良好，是污水處理的重要技術(shù)之一。</p><p>根據(jù)懸浮物質(zhì)的性質(zhì)、濃度及絮聚丙烯酰胺凝性能，沉淀可以分為：自然沉淀，絮凝沉淀，區(qū)域沉淀。域沉淀的懸浮顆泣濃度較高(5000mg/L以上)，顆粒的沉降受到周圍其它顆粒影響，顆粒間相對位置保持不變，形成一個整體共同下沉，與澄清水之間有清晰的泥水界面。二次沉淀池與污泥濃縮池中均有區(qū)域沉淀發(fā)生。</p><p>廢水中懸浮固體濃度不高，而且不具有凝聚的性能，在沉淀過程中，固體顆粒不改變形狀，也不互相粘合，各自獨立地完成沉淀過程。（沉砂池和初沉池的初期沉淀）壓縮沉淀發(fā)生在高濃度懸浮顆粒的沉降過程中，由于懸浮顆粒濃度很高，顆粒相互之間已擠集成團塊結(jié)構(gòu)，互相接觸，互相支承，下層顆粒間的水在上層顆粒的重力作用下被擠出，使污泥得到濃縮。二沉池污泥斗中的聚丙烯酰胺濃縮過程以及在濃縮池中污泥的濃縮過程存在壓縮沉淀。自由沉淀發(fā)生在水中懸浮固體濃度不高，沉淀過程懸浮固體之間互不干擾，顆粒各自單獨進行沉淀，顆粒的沉淀軌跡呈直線。整個沉淀過程中，顆粒的物理性質(zhì)，如形狀，大小及比重等不發(fā)生變化。這種顆粒在沉砂池中的沉淀是自由沉淀。</p><p><strong>聚丙烯酰胺廠家驅(qū)油配方</strong></p><p> </p><p>聚丙烯酰胺( Polyscrylamide )簡稱 PAM ，俗稱絮凝劑或凝聚劑，分陽離子、陰離子型，分子量在 400—1800 萬之間，產(chǎn)品外觀分白色或略帶黃色粉末，液態(tài)為無色粘稠膠體狀，易溶于水，溫度超過 120 ℃ 時易分解。</p><p>陰離子聚丙烯酰胺根據(jù)不同用途和用戶對產(chǎn)品性能的要求，可選用不同分子量使用。</p><p>1 . 用于工業(yè)廢水處理，特別是對懸浮顆粒、較粗、濃度高、粒子帶陽電荷，水的 PH 值為中性或堿性污水如鋼鐵廠廢水、電鍍廠廢水、冶金廢水、洗煤廢水等污水處理效果很好。</p><p>2 . 飲用水處理。我國很多自來水廠的水源自江河泥沙及礦物質(zhì)會含量高，比較混濁，雖經(jīng)過沉淀處理，但仍達不到要求，需要投加絮凝劑力，才能使水質(zhì)變清，很多自來水廠采用無機絮凝劑，但投加量是無機絮凝劑的五十分之一，但效果是無機絮凝劑的幾倍至幾十倍，有時候和聚合氯化鋁配合使用效果更好。</p><p>3 . 用作淀粉廠及酒精廠流失淀粉及酒槽的回收。</p><p>4 . 用作油田調(diào)剖堵水的堵水劑，三次采用油的驅(qū)油劑。</p><p>5 . 用作造紙助劑， PAM 在造紙方面用途廣泛，可作為長纖維造紙分散劑，干濕增強劑、助留、助濾劑及造紙廢水的絮凝劑等。</p><p>隨著我國工業(yè)化的發(fā)展,人們對礦產(chǎn)資源的需求越來越高,而對鉛鋅礦山開采與加工過程中所產(chǎn)生的礦山酸性廢水(acid mine drainage,AMD)的治理也不容忽視。廢水中的鋅離子遠(yuǎn)遠(yuǎn)高于我國含鋅廢水的排放標(biāo)準(zhǔn),攝入過量的鋅也會對人體造成嚴(yán)重的傷害。傳統(tǒng)的重金屬污染廢水處理技術(shù)包括化學(xué)沉淀、離子交換、共沉淀吸附、電解、氧化還原、反滲析、膜分離技術(shù)等;但這些方法投資成本高,操作管理麻煩,而且存在二次污染,不能很好的解決金屬和水資源再利用等問題。近年來,國內(nèi)外都開始關(guān)注使用生物吸附法處理含重金屬廢水,其中根據(jù)藻類富集重金屬的特性對廢水進行生物吸附已經(jīng)成為一種趨勢。</p><p> </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="0wcs0iw" 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