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clearfix"><h1>太原硝化菌種哪家好普羅生物技術(shù)供應(yīng)</h1><div id="co2dj87" class="proBig"><div id="expwg3z" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shplsw/637379562277949219/3962690.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8m3rtb8" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shplsw/637379562277949219/3962690.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="3uelia3" 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>太原硝化菌種哪家好,氨氮</p><p><span>***更新：</span>2020-10-24 10:20:24</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="az32oqq" 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(hào)</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="pubtqcj" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="nx3qnpm" class="box"><p><p style="text-indent:25px">滴定法概述：滴定法*適用于進(jìn)行蒸餾預(yù)處理的水樣。調(diào)節(jié)水樣至pH6.0~7.4范圍，加入氧化鎂使呈微堿性。加熱蒸餾，釋出的氨被吸收入硼酸溶液中，以甲基紅-亞甲藍(lán)為指示劑，用酸標(biāo)準(zhǔn)溶液滴定餾出液中的銨。當(dāng)水樣中含有在此條件下，可被蒸餾出并在滴定時(shí)能與酸反應(yīng)的物質(zhì)，如揮發(fā)性胺類(lèi)等，太原硝化菌種哪家好，太原硝化菌種哪家好，則將使測(cè)定結(jié)果偏高。試劑：（1）混合指示液：稱(chēng)取200mg甲基紅溶于100ml 95%乙醇；另稱(chēng)取100mg亞甲藍(lán)溶于50ml 95%乙醇。以?xún)煞菁谆t溶液與一份亞甲藍(lán)溶液混合后供用。混合液一個(gè)月配制一次。注：為使滴定終點(diǎn)明顯，太原硝化菌種哪家好，必要時(shí)添加少量甲基紅溶液于混合指示液中，以調(diào)節(jié)二者的比例至合適為止。常用空氣或水蒸氣作載氣，前者稱(chēng)為空氣吹脫，后者稱(chēng)為蒸汽吹脫。太原硝化菌種哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="太原硝化菌種哪家好,氨氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637379562277949219/3962690.png"></div><p style="text-indent:25px">氨氮超標(biāo)的主要原因及解決辦法：有機(jī)物導(dǎo)致的氨氮超標(biāo)：超標(biāo)原因：我運(yùn)營(yíng)過(guò)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(lái)提高反硝化的完全性。當(dāng)時(shí)投加的碳源是甲醇，因?yàn)槟承┰蚣状純?chǔ)罐出口閥門(mén)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。原因分析：大量碳源進(jìn)入A池，反硝化利用不了，進(jìn)入曝氣池，因?yàn)榈孜锍渥悖愷B(yǎng)菌有氧代謝，大量消耗氧氣和微量元素，因?yàn)橄趸?xì)菌是自養(yǎng)菌，代謝能力差，氧氣被爭(zhēng)奪，形成不了優(yōu)勢(shì)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(kāi)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(lái)增加污泥絮性、投加消泡劑來(lái)消除沖擊泡沫。福州硝化細(xì)菌廠家推薦沸石脫氨法利用沸石中的陽(yáng)離子與廢水中的NH4+進(jìn)行交換以達(dá)到脫氮的目的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="太原硝化菌種哪家好,氨氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637379562151503907/6108708.png"></div><p style="text-indent:25px">測(cè)定方法：方法的選擇：氨氮檢測(cè)方法，通常有納氏比色法、苯酚-次氯酸鹽（或水楊酸-次氯酸鹽）比色法和電極法等。納氏試劑比色法具操作簡(jiǎn)便、靈敏等特點(diǎn)，水中鈣、鎂和鐵等金屬離子、硫化物、醛和酮類(lèi)、顏色，以及渾濁等干擾測(cè)定，需做相應(yīng)的預(yù)處理，苯酚-次氯酸鹽比色法具靈敏、穩(wěn)定等優(yōu)點(diǎn)，干擾情況和消除方法同納氏試劑比色法。電極法通常不需要對(duì)水樣進(jìn)行預(yù)處理和具測(cè)量范圍寬等優(yōu)點(diǎn)。氨氮含量較高時(shí)，尚可采用蒸餾﹣酸滴定法。</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(dòng)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(chēng)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(duì)基本無(wú)毒。國(guó)家標(biāo)準(zhǔn)Ⅲ類(lèi)地面水，非離子氨氮的濃度≤1毫克/升。氨氮是水體中的營(yíng)養(yǎng)素，可導(dǎo)致水富營(yíng)養(yǎng)化現(xiàn)象產(chǎn)生，是水體中的主要耗氧污染物，對(duì)魚(yú)類(lèi)及某些水生生物有有害。氨被氧化為羥氨。另一種是氨和羥氨反應(yīng)生成聯(lián)氨，聯(lián)氨被轉(zhuǎn)化成氮?dú)獠⑸?個(gè)還原性[H]。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="太原硝化菌種哪家好,氨氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637379562400625000/5430084.png"></div><p style="text-indent:25px">厭氧氨氧化（ANAMMOX）和全程自養(yǎng)脫氮(CANON)厭氧氨氧化是指在厭氧條件下氨氮以亞硝酸鹽為電子受體直接被氧化成氮?dú)獾倪^(guò)程。厭氧氨氧化（Anaerobicammoniaoxidation，簡(jiǎn)稱(chēng)ANAMMOX）是指在厭氧條件下，以Planctomycetalessp為替代的微生物直接以NH4+為電子供體，以NO2-或NO3-為電子受體，將NH4+、NO2-或NO3-轉(zhuǎn)變成N2的生物氧化過(guò)程。該過(guò)程利用獨(dú)特的生物機(jī)體以硝酸鹽作為電子供體把氨氮轉(zhuǎn)化為N2，好大限度的實(shí)現(xiàn)了N的循環(huán)厭氧硝化，這種耦合的過(guò)程對(duì)于從厭氧硝化的廢水中脫氮具有很好的前景，對(duì)于高氨氮低COD的污水由于硝酸鹽的部分氧化，較大節(jié)省了能源。目前推測(cè)厭氧氨氧化有多種途徑。其中一種是羥氨和亞硝酸鹽生成N2O的反應(yīng)，而N2O可以進(jìn)一步轉(zhuǎn)化為氮?dú)?，氨被氧化為羥氨。另一種是氨和羥氨反應(yīng)生成聯(lián)氨，聯(lián)氨被轉(zhuǎn)化成氮?dú)獠⑸?個(gè)還原性[H]，還原性[H]。水中的氨氮可以在一定條件下轉(zhuǎn)化成亞硝酸鹽，如果長(zhǎng)期飲用，水中的亞硝酸鹽將和蛋白質(zhì)結(jié)合形成亞硝胺。太原硝化菌種哪家好</p><p style="text-indent:25px">氨氮對(duì)水生物的危害有急性和慢性之分。太原硝化菌種哪家好</p><p style="text-indent:25px">傳統(tǒng)生物脫氮工藝存在不少問(wèn)題: (1)工藝流程較長(zhǎng)，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(zhǎng)，需要較大的曝氣池，增加了投資和運(yùn)行費(fèi)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(shí)進(jìn)行污泥和硝化液回流，增加了動(dòng)力消耗和運(yùn)行費(fèi)用; (4) 系統(tǒng)抗沖擊能力較弱，高濃度NH3- N 和NO2-廢水會(huì)壓抑硝化菌生長(zhǎng); (5) 硝化過(guò)程中產(chǎn)生的酸度需要投加堿中和，不*增加了處理費(fèi)用，而且還有可能造成二次污染等等。太原硝化菌種哪家好</p><p style="text-indent:25px">普羅生物技術(shù)（上海）有限公司主要經(jīng)營(yíng)范圍是環(huán)保，擁有一支專(zhuān)業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司業(yè)務(wù)涵蓋硝化菌反硝化菌COD菌，促生劑、生物菌酶、營(yíng)養(yǎng)劑，生物磷、生物氮、復(fù)合碳源，植物精油除臭劑、厭氧菌等，價(jià)格合理，品質(zhì)有保證。公司從事環(huán)保多年，有著創(chuàng)新的設(shè)計(jì)、強(qiáng)大的技術(shù)，還有一批**的專(zhuān)業(yè)化的隊(duì)伍，確保為客戶(hù)提供良好的產(chǎn)品及服務(wù)。普羅生物秉承“客戶(hù)為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1690056.html</p></div></div></div></div></div><div id="ak3gdvc" class="page-right twoColRt"><div id="laspm27" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="q8o7egn" class="recomPic likePro"><a 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