海口硝化菌種普羅生物技術(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：氨氮是指水中以游離氨（NH3）和銨離子（NH4+）形式存在的氮。動物性有機(jī)物的含氮量一般較植物性有機(jī)物為高。同時(shí)，人畜糞便中含氮有機(jī)物很不穩(wěn)定，容易分解成氨。因此，水中氨氮含量增高時(shí)指以氨或銨離子形式存在的化合氮。自然地表水體和地下水"><meta name="keywords" content="?？谙趸N,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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src="https://tyunfile.71360.com/UploadFile/shplsw/637381988696492577/1209219.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="s234q3y" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shplsw/637381988696492577/1209219.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="edvnptp" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>海口硝化菌種,氨氮</p><p><span>***更新：</span>2020-10-15 09:08:35</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="txu2gah" 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="83n7u7x" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="oda8qax" class="box"><p><p style="text-indent:25px">氨氮：氨氮是指水中以游離氨（NH3）和銨離子（NH4+）形式存在的氮。動物性有機(jī)物的含氮量一般較植物性有機(jī)物為高。同時(shí)，人畜糞便中含氮有機(jī)物很不穩(wěn)定，容易分解成氨。因此，水中氨氮含量增高時(shí)指以氨或銨離子形式存在的化合氮。自然地表水體和地下水體中主要以硝酸鹽氮（NO3）為主，以游離氨（NH3）和銨離子（NH4+）形式存在的氮受污染水體的氨氮叫水合氨，也稱非離子氨。非離子氨是引起水生生物有害的主要因子，而銨離子相對基本無毒。國家標(biāo)準(zhǔn)Ⅲ類地面水，非離子氨氮的濃度≤1毫克/升，?？谙趸N，海口硝化菌種。氨氮是水體中的營養(yǎng)素，可導(dǎo)致水富營養(yǎng)化現(xiàn)象產(chǎn)生，是水體中的主要耗氧污染物，對魚類及某些水生生物有有害，?？谙趸N。以硼酸溶液為吸收液；采用水楊酸-次氯酸比色法時(shí)，則以硫酸溶液為吸收液。?？谙趸N</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="?？谙趸N,氨氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637381988696492577/1209219.png"></div><p style="text-indent:25px">DO過低導(dǎo)致的氨氮超標(biāo)：運(yùn)營過的污水是高硬度的廢水，特別容易結(jié)垢，開始曝氣使用微孔爆氣器，運(yùn)行一段時(shí)間曝氣頭就會堵塞，導(dǎo)致DO壓抑提不上來導(dǎo)致氨氮升高。分析：原因很簡單，曝氣的作用是充氧和攪拌，曝氣頭的堵塞造成兩種都受到影響，而硝化反應(yīng)是有氧代謝，需要保證曝氣池溶氧適宜的環(huán)境下才能正常進(jìn)行，而DO過低則會導(dǎo)致硝化受阻，氨氮超標(biāo)。解決辦法： 1、更換曝氣頭，如果硬度低操作問題導(dǎo)致的堵塞可以考慮這種方法 2、改造成大孔曝氣器（氧利用率過低，風(fēng)機(jī)余量大和不差錢的企業(yè)可以考慮）或者射流曝氣器（只能用監(jiān)測池出水來進(jìn)行充當(dāng)動力流體，尤其是硬度高的污水，切記?。┖？谙趸N急性氨氮中毒危害為水生物表現(xiàn)亢奮、在水中喪失平衡、抽搐，嚴(yán)重者甚至死亡。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="?？谙趸N,氨氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637379562433906250/8123035.png"></div><p style="text-indent:25px">厭氧氨氧化工藝:　厭氧氨氧化是以硝酸鹽為電子受體或以氨作為直接電子供體，進(jìn)行硝酸鹽還原反應(yīng)或?qū)喯跛岬D(zhuǎn)化為氮?dú)獾姆聪趸磻?yīng)。與傳統(tǒng)的硝化反硝化工藝或同時(shí)硝化反硝化工藝相比，氨的厭氧氧化具有不少突出的優(yōu)點(diǎn)。主要表現(xiàn)在: (1)無需外加有機(jī)物作電子供體，既可節(jié)省費(fèi)用，又可防止二次污染; (2)硝化反應(yīng)每氧化1molNH4+耗氧2mol ，而在厭氧氨氧化反應(yīng)中，每氧化1molNH4+只需要0.75mol 氧，耗氧下降62.5 %(不考慮細(xì)胞合成時(shí)) ，所以，可使耗氧能耗大為降; (3)傳統(tǒng)的硝化反應(yīng)氧化1molNH4+可產(chǎn)生2molH+ ，反硝化還原1molNO3-或NO2-將產(chǎn)生1molOH- ，而氨厭氧氧化的生物產(chǎn)酸量大為下降，產(chǎn)堿量降至為零，可以節(jié)省可觀的中和試劑。故厭氧氨氧化及其工藝技術(shù)很有研究價(jià)值和開發(fā)前景。</p><p style="text-indent:25px">傳統(tǒng)生物法：目前，國內(nèi)外對氨氮污水實(shí)際處理中應(yīng)用較成熟的生物處理方法是傳統(tǒng)的前置反硝化生物脫氮，如A/O、A2/O工藝等，都能在一定程度上去除污水中的氨氮。傳統(tǒng)生物脫氮途徑一般包括硝化和反硝化兩個(gè)階段，硝化和反硝化反應(yīng)分別由硝化菌和反硝化菌作用完成，由于對環(huán)境條件的要求不同，這兩個(gè)過程不能同時(shí)發(fā)生，而只能序列式進(jìn)行，即硝化反應(yīng)發(fā)生在好氧條件下，反硝化反應(yīng)發(fā)生在缺氧或厭氧條件下。由此而發(fā)展起來的生物脫氮工藝大多將缺氧區(qū)與好氧區(qū)分開，形成分級硝化反硝化工藝，以便硝化與反硝化能夠**地進(jìn)行。1932 年，Wuhrmann利用內(nèi)源反硝化建立了后置反硝化工藝，Ludzack和Ettinger于1962年提出了前置反硝化工藝，1973年Barnard 結(jié)合前面兩種工藝又提出了A/O工藝，以及后又出現(xiàn)了各種改進(jìn)工藝如Bardenpho、Phoredox (A2/ O) UCT、JBH、AAA 工藝等，這些都是典型的傳統(tǒng)硝化反硝化工藝。氨氮主要有短程硝化反硝化、好氧反硝化和厭氧氨氧化等。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="海口硝化菌種,氨氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637379562423007813/849118.png"></div><p style="text-indent:25px">內(nèi)回流導(dǎo)致的氨氮超標(biāo) 目前遇到的內(nèi)回流導(dǎo)致的氨氮超標(biāo)有兩方面原因:內(nèi)回流泵有電氣故障（現(xiàn)場跳停扔有運(yùn)行信號）、機(jī)械故障（葉輪脫落）和人為原因（內(nèi)回流泵未試正反轉(zhuǎn)，現(xiàn)場為反轉(zhuǎn)狀態(tài)）。分析：內(nèi)回流導(dǎo)致的氨氮超標(biāo)也可以歸到有機(jī)物沖擊中，因?yàn)闆]有硝化液的回流，導(dǎo)致A池中只有少量外回流攜帶的硝態(tài)氮，總體成厭氧環(huán)境，碳源只會水解酸化而不會完全代謝成二氧化碳逸出。所以大量有機(jī)物進(jìn)入曝氣池，導(dǎo)致了氨氮的升高。解決辦法：內(nèi)回流的問題很好發(fā)現(xiàn)，可以通過數(shù)據(jù)及趨勢來判斷是否是內(nèi)回流導(dǎo)致的問題：初期O池出口硝態(tài)氮升高，A池硝態(tài)氮降低直至0，PH降低等，所以解決辦法分三種情況： 1、及時(shí)發(fā)現(xiàn)問題，檢修內(nèi)回流泵就可以了。 2、內(nèi)回流已經(jīng)導(dǎo)致氨氮升高，檢修內(nèi)回流泵，停止或者減少進(jìn)水進(jìn)行悶爆。 3、硝化系統(tǒng)已經(jīng)崩潰，停止進(jìn)水悶爆，如果有條件、情況比較緊迫可以投加相似脫氮系統(tǒng)的生化污泥，加快系統(tǒng)恢復(fù)。氨氮沖擊目前還沒有明確的解釋，筆者分析氨氮沖擊是因?yàn)樗杏坞x氨（FA）過高導(dǎo)致的。?？谙趸N</p><p style="text-indent:25px">氨氮以游離氨（NH3）和銨離子（NH4+）形式存在的氮受污染水體的氨氮。?？谙趸N</p><p style="text-indent:25px">常用的廢水中氨氮的去除物理化學(xué)方法有以下幾種： 1.吹脫法：在堿性條件下，利用氨氮的氣相濃度和液相濃度之間的氣液平衡關(guān)系進(jìn)行分離的一種方法。一般認(rèn)為吹脫效率與溫度、PH、氣液比有關(guān)。 2.沸石脫氮法：利用沸石中的陽離子與廢水中的NH4＋進(jìn)行交換以達(dá)到脫氮目的。沸石一般被用于處理低濃度含氨廢水或含微量重金屬的廢水。 3.膜分離技術(shù)：利用膜的選擇透過性進(jìn)行氨氮脫除的一種方法，這種方法操作方便，氨氮回收率高，無二次污染。 4.MAP沉淀法：是向含有高濃度氨氮的廢水中投加磷鹽和鎂鹽，除去廢水中的氨氮。 5.化學(xué)氧化法：是利用強(qiáng)氧化劑將氨氮直接氧化成氮?dú)膺M(jìn)行脫除的一種方法。折點(diǎn)加氯是利用在水中的氨與氯反應(yīng)生成氮?dú)饷摪?，這種方法還可以起到殺菌作用。?？谙趸N</p><p style="text-indent:25px">普羅生物技術(shù)（上海）有限公司主要經(jīng)營范圍是環(huán)保，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場口碑。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下硝化菌反硝化菌COD菌，促生劑、生物菌酶、營養(yǎng)劑，生物磷、生物氮、復(fù)合碳源，植物精油除臭劑、厭氧菌深受客戶的喜愛。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造環(huán)保良好品牌。普羅生物立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1563288.html</p></div></div></div></div></div><div id="gaxzwnk" class="page-right twoColRt"><div id="3ubdp8m" class="box01 margin10 clearfix"><h3><a 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