長春硝化菌種廠家推薦 **** 普羅生物技術(shù)供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="氨氮超標(biāo)處理方法：常分為兩類：物化處理法和生物處理法1）物化法處理方法有很多種下面主要介紹一下投加氨氮去除劑和吹脫法①氨氮去除劑A2的投加，氨氮去除劑A2是一種含有特殊架狀結(jié)構(gòu)的高分子無機(jī)化合物；氨氮去除劑A2是專門針對生化難以處理的廢水所"><meta name="keywords" content="長春硝化菌種廠家推薦,氨氮"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" content="no-transform" /> <meta 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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>長春硝化菌種廠家推薦,氨氮</p><p><span>***更新：</span>2021-01-23 11:14:36</p><p><span id="click" >瀏覽次數(shù)：9次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="ptyhd4d" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">普羅生物技術(shù)（上海）有限公司</a></p><p><span>聯(lián)系人：</span>楊明浩</p><p><span>郵箱: </span>yminghao@bhnchina.com</p><p><span>電話: </span>18221034638</p><p><span>傳真: </span>021_68917228</p><p><span>網(wǎng)址: </span>https://www.probiotic.com.cn</p><p><span>手機(jī): </span>021-68917101</p><p><span>地址: </span>上海市浦東新區(qū)金港路211號</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="hw4vxbs" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="po9a72e" class="box"><p><p style="text-indent:25px">氨氮超標(biāo)處理方法：常分為兩類：物化處理法和生物處理法 1）物化法處理方法有很多種下面主要介紹一下投加氨氮去除劑和吹脫法 ①氨氮去除劑A2的投加，氨氮去除劑A2是一種含有特殊架狀結(jié)構(gòu)的高分子無機(jī)化合物；氨氮去除劑A2是專門針對生化難以處理的廢水所研發(fā)的功能劑，它適用于各行業(yè)污水氨氮超標(biāo)治理；無需生化，在物化階段達(dá)到去除氨氮的目的，反應(yīng)速度快，長春硝化菌種廠家推薦，長春硝化菌種廠家推薦，只需5-6min，去除率可達(dá)95%以上；同時兼具輔助降低COD和脫色的作用，用于生活污水、電鍍、線路板、化工等廢水。 ② 吹脫法，吹脫法的基本原理是氣液相平衡和傳質(zhì)速度理論。將氨氮廢水PH調(diào)節(jié)至堿性，長春硝化菌種廠家推薦，此時銨離子轉(zhuǎn)化為氨分子，再向水中通入氣體，使其與液體充分接觸，廢水中溶解的氣體和揮發(fā)性氨分子穿過氣液界面，轉(zhuǎn)至氣相，從而達(dá)到去除氨氮的目的。常用空氣或水蒸氣作載氣，前者稱為空氣吹脫，后者稱為蒸汽吹脫。氨氮對水生物的危害有急性和慢性之分。長春硝化菌種廠家推薦</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長春硝化菌種廠家推薦,氨氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637379562151503907/6108708.png"></div><p style="text-indent:25px">污水氨氮為什么會超標(biāo):有機(jī)物導(dǎo)致的氨氮超標(biāo) 運營過CN比小于3的高氨氮污水，因脫氮工藝要求CN比在4~6，所以需要投加碳源來提高反硝化的完全性。當(dāng)時投加的碳源是甲醇，因為某些原因甲醇儲罐出口閥門脫落，大量甲醇進(jìn)入A池，導(dǎo)致曝氣池泡沫很多，出水COD，氨氮飆升，系統(tǒng)崩潰。分析：大量碳源進(jìn)入A池，反硝化利用不了，進(jìn)入曝氣池，因為底物充足，異養(yǎng)菌有氧代謝，大量消耗氧氣和微量元素，因為硝化細(xì)菌是自養(yǎng)菌，代謝能力差，氧氣被爭奪，形成不了優(yōu)勢菌種，所以硝化反應(yīng)受限制，氨氮升高。解決辦法 1、立即停止進(jìn)水進(jìn)行悶爆、內(nèi)外回流連續(xù)開啟. 2、停止壓泥保證污泥濃度. 3、如果有機(jī)物已經(jīng)引起非絲狀菌膨脹可以投加PAC來增加污泥絮性、投加消泡劑來消除沖擊泡沫.長春硝化菌種廠家推薦吹脫法，吹脫法的基本原理是氣液相平衡和傳質(zhì)速度理論。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長春硝化菌種廠家推薦,氨氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637381988696492577/1209219.png"></div><p style="text-indent:25px">傳統(tǒng)生物脫氮工藝存在不少問題: (1)工藝流程較長，占地面積大，基建投資高; (2) 由于硝化菌群增殖速度慢且難以維持較高的生物濃度，特別是在低溫冬季，造成系統(tǒng)的HRT 較長，需要較大的曝氣池，增加了投資和運行費用; (3) 系統(tǒng)為維持較高的生物濃度及獲得良好的脫氮效果，必須同時進(jìn)行污泥和硝化液回流，增加了動力消耗和運行費用; (4) 系統(tǒng)抗沖擊能力較弱，高濃度NH3- N 和NO2-廢水會壓抑硝化菌生長; (5) 硝化過程中產(chǎn)生的酸度需要投加堿中和，不僅增加了處理費用，而且還有可能造成二次污染等等。</p><p style="text-indent:25px">物理化學(xué)處理法: 吹脫法及汽提法: 吹脫、汽提法主要用于脫除水中溶解氣體和某些揮發(fā)性物質(zhì)。即將氣體通入水中，使氣水相互充分接觸，使水中溶解氣體和揮發(fā)性溶質(zhì)穿過氣液界面，向氣相轉(zhuǎn)移，從而達(dá)到脫除污染物的目的。常用空氣或水蒸氣作載氣，前者稱為吹脫，后者稱為汽提。氨吹脫、汽提是一個傳質(zhì)過程，即在高pH時，使廢水與空氣密切接觸從而降低廢水中氨濃度的過程，推動力來自空氣中氨的分壓與廢水中氨濃度相當(dāng)?shù)钠胶夥謮褐g的差。氨吹脫、汽提工藝具有流程簡單、處理效果穩(wěn)定、基建費和運行費較低等優(yōu)點，但其缺點是生成水垢，在大規(guī)模的氨吹脫、汽提塔中，生成水垢是一個嚴(yán)重的操作問題。如果生成軟質(zhì)水垢，可以安裝水的噴淋系統(tǒng)；而如果生成硬質(zhì)水垢，不論用噴淋或刮刀均不能消除此問題。氨氮廢水處理方法通常有物化法、生物脫氮法、生化聯(lián)合法等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長春硝化菌種廠家推薦,氨氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637379562433906250/8123035.png"></div><p style="text-indent:25px">高氨氮廢水處理技術(shù)：該技術(shù)采用蒸汽脫氨技術(shù)，工藝流程為“廢水預(yù)熱→蒸汽脫氨→氨水回收→尾氣吸收”。設(shè)置多級變壓、控溫吸收裝置，將脫出的氨氮尾氣進(jìn)行有效吸收，餾出組分制成工業(yè)氨水，以實現(xiàn)氨氮的資源化回收利用和廢氣的無害化排放。采用該技術(shù)可將廢水中的氨含量從5000～50000mg/L降至15mg/ L以下。適用范圍：（1）適用于化工行業(yè)高氨氮廢水的處理。（2）適用于煤制氮肥高氨氮廢水的處理。（3）適用于石油化工、化肥、紡織等生產(chǎn)和使用含氮有機(jī)物或含氨氮物質(zhì)的行業(yè), 規(guī)模為10～200t/h的廢水處理。（4）適用于工業(yè)含氨廢水的脫氨處理。氨氮對水生物起危害作用的主要是游離氨。長春硝化菌種廠家推薦</p><p style="text-indent:25px">氨氮主要有短程硝化反硝化、好氧反硝化和厭氧氨氧化等。長春硝化菌種廠家推薦</p><p style="text-indent:25px">生物脫氮法: 傳統(tǒng)和新開發(fā)的脫氮工藝有A/O，兩段活性污泥法、強氧化好氧生物處理、短程硝化反硝化、超聲吹脫處理氨氮法方法等。 1.A/O工藝將前段缺氧段和后段好氧段串聯(lián)在一起，A段DO不大于0.2mg/L，O段DO=2～4mg/L。在缺氧段異養(yǎng)菌將污水中的淀粉、纖維、碳水化合物等懸浮污染物和可溶性有機(jī)物水解為有機(jī)酸，使大分子有機(jī)物分解為小分子有機(jī)物，不溶性的有機(jī)物轉(zhuǎn)化成可溶性有機(jī)物，當(dāng)這些經(jīng)缺氧水解的產(chǎn)物進(jìn)入好氧池進(jìn)行好氧處理時，提高污水的可生化性，提高氧的效率；在缺氧段異養(yǎng)菌將蛋白質(zhì)、脂肪等污染物進(jìn)行氨化（有機(jī)鏈上的N或氨基酸中的氨基）游離出氨（NH3、NH4+），在充足供氧條件下，自養(yǎng)菌的硝化作用將NH3-N（NH4+）氧化為NO3-，通過回流控制返回至A池，在缺氧條件下，異氧菌的反硝化作用將NO3-還原為分子態(tài)氮（N2）完成C、N、O在生態(tài)中的循環(huán)，實現(xiàn)污水無害化處理。長春硝化菌種廠家推薦</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2976516.html</p></div></div></div></div></div><div id="hbg2ceg" class="page-right twoColRt"><div id="gvktpy3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="eds3tap" class="recomPic likePro"><a 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