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rel="nofollow">在線詢價(jià)</a> <a href="/contact.html" class="probtn2" rel="nofollow">聯(lián)系我們</a> </div> </div> </div> <div id="u0uuuus" class="pro_list"> <div id="iomomkg" class="pro_con"> <div id="0g0uwwu" class="pro_gs"> <div id="uo2waws" class="gs_tit"><h3>產(chǎn)品概述</h3></div> <div id="wcqocoy" class="gs_text"> <p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體"><strong>水處理還原劑聚丙烯酰胺</strong>注意事項(xiàng)：</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">溶解水：建議使用PH值為中性的低硬度水，使用地下水，溶解無(wú)機(jī)物或金屬離子過(guò)多的水容易降低產(chǎn)品性能。</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">溶解時(shí)間：干粉類產(chǎn)品溶解1小時(shí)后使用能發(fā)揮較佳的性能（建議非離子干粉產(chǎn)品溶解2小時(shí)以上）。溶解后的溶液建議當(dāng)天使用完畢，不要超過(guò)24小時(shí)，否則聚丙烯酰胺溶液會(huì)迅速降解，嚴(yán)重影戲那個(gè)使用效果。</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">溶解濃度：陽(yáng)離子產(chǎn)品的通常溶解濃度為0.2%（0.1%-0.5%可行）；陰離子、非離子產(chǎn)品的溶解濃度為0.1%（0.05%-0.3%可行）。</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">溶解操作應(yīng)該在塑料、陶瓷、不銹鋼等材質(zhì)的槽中進(jìn)行，攪拌轉(zhuǎn)速不宜過(guò)大，一般為200轉(zhuǎn)/分鐘為宜，時(shí)間不少于1小時(shí)，適當(dāng)提高水溫20-30℃，可加速溶解，藥業(yè)高溫度應(yīng)小于60℃。稀釋溶液輸送時(shí)應(yīng)避免使用離心泵等高剪切轉(zhuǎn)子泵，使用螺桿泵等低剪切泵。</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">充分溶解：本產(chǎn)品在溶解時(shí)應(yīng)該注意，尤其是自動(dòng)加藥裝置流流速不要太快以防止聚丙烯酰胺結(jié)塊，出現(xiàn)魚眼現(xiàn)象，防止管道堵塞造成的不必要麻煩。</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體"><strong>水處理還原劑聚丙烯酰胺</strong></span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">氧化還原劑</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">氧化還原劑：用于含有氧化性物質(zhì)或還原性物質(zhì)的工業(yè)廢水的處理。</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">氧化還原電位不同的兩種物質(zhì)都可以相對(duì)地成為氧化劑或還原劑，但在廢水處理實(shí)踐中能夠使用的氧化劑或還原劑必須滿足以下要求：</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">①對(duì)廢水中希望去除的污染物質(zhì)有良好的氧化或還原作用，</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">②反應(yīng)后生成的物質(zhì)應(yīng)當(dāng)無(wú)害以避免二次污染，</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">③價(jià)格便宜、來(lái)源可靠，</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">④能在常溫下快速反應(yīng)、不需要加熱，</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">⑤反應(yīng)時(shí)所需的pH值在中性，不能太高或太低。</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">聚丙烯酰胺（PAM）為水溶性高分子聚合物，不溶于大多數(shù)有機(jī)溶劑，具有良好的絮凝性，可以降低液體之間的磨擦阻力，按離子特性分可分為非離子聚丙烯酰胺、陰離子聚丙烯酰胺、陽(yáng)離子聚丙烯酰胺和兩性離子聚丙烯酰胺四種類型。</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">硫酸亞鐵<br />藍(lán)綠色單斜結(jié)晶或顆粒。無(wú)氣味。在干燥空氣中風(fēng)化。在潮濕空氣中表面氧化成棕色的堿式硫酸鐵。在56.6℃成為四水合物，在65℃時(shí)成為一水合物。溶于水，幾乎不溶于乙醇。其水溶液冷時(shí)在空氣中緩慢氧化，在熱時(shí)較快氧化。加入堿或露光能加速其氧化。相對(duì)密度(d15)1.897。半數(shù)致死量（小鼠，經(jīng)口）1520mG/kG。有刺激性。無(wú)水硫酸亞鐵是白色粉末，含結(jié)晶水的是淺綠色晶體，晶體俗稱“綠礬”，溶于水水溶液為淺綠色。用于色譜分析試劑。點(diǎn)滴分析測(cè)定鉑、硒、亞硝酸鹽和硝酸鹽，還原劑，制造鐵氧體，凈水，聚合催化劑，照相制版。<br />硫酸亞鐵的還原原理<br />大量的硫酸亞鐵被用作還原劑，主要還原水泥中的鉻酸鹽。<br />含六價(jià)鉻廢水一般采用鉻還原法進(jìn)行處理。<br />原理：在酸性條件下，投加還原劑硫酸亞鐵、亞硫酸鈉、亞硫酸氫鈉、二氧化硫等，將六價(jià)鉻還原成三價(jià)鉻，然后投加氫氧化鈉、氫氧化鈣、石灰等調(diào)pH值，使其生成三價(jià)鉻氫氧化物沉淀從廢水中分離。<br />在該反應(yīng)中，氧化劑是Cl2，還原劑也是Cl2，本反應(yīng)是歧化反應(yīng)。</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">01 水處理中常用的氧化劑</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">①在接受電子后還原變成帶負(fù)電荷離子的中性原子，如O2、Cl2、O3等；</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">②帶正電荷的原子，接受電子后還原成帶負(fù)電荷的離子，比如在堿性條件下，漂白fen、次氯酸鈉等藥劑中的次氯酸根ClO-中的Cl+和二氧化氯中的Cl4+接受電子還原成Cl-；</span></span></span></p><p><span style="color:#000000"><span style="font-size:14px"><span style="font-family:宋體">③帶高價(jià)正電荷的原子在接受電子后還原成帶低價(jià)正電荷的原子，例如三氯化鐵中的Fe3+和高錳酸鉀中的Mn7+在接受電子后還原成Fe2+和Mn2+。</span></span></span></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 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