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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>張家口氨氮去除菌哪家好,氨氮</p><p><span>***更新：</span>2020-11-09 01:16:38</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="ylx2sjs" 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="8f3oijk" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="e2l9283" class="box"><p><p style="text-indent:25px">氨氮超標(biāo)的處理方法：改善污泥負(fù)荷與污泥齡污水中的生物硝化反應(yīng)屬低負(fù)荷工藝，負(fù)荷越低，張家口氨氮去除菌哪家好，硝化進(jìn)行得越充分，NH3-N向NO3--N轉(zhuǎn)化的效率就越高。F/M一般在0.05～0.15kgBOD/kgMLVSS·d。負(fù)荷越低，硝化進(jìn)行得越充分，NH3-N向NO3--N轉(zhuǎn)化的效率就越高。與低負(fù)荷相對(duì)應(yīng)，張家口氨氮去除菌哪家好，生物硝化系統(tǒng)的SRT一般較長(zhǎng)，因?yàn)橄趸?xì)菌世代周期較長(zhǎng)，若生物系統(tǒng)的污泥停留時(shí)間過(guò)短，即SRT過(guò)短，污泥濃度較低時(shí)，硝化細(xì)菌就培養(yǎng)不起來(lái)，也就得不到硝化效果。SRT控制在多少，取決于溫度等因素，張家口氨氮去除菌哪家好。對(duì)于以脫氮為主要目的生物系統(tǒng)，通常SRT可取11～23d。在污水的生物脫氮處理過(guò)程中，首先在好氧條件下，通過(guò)好氧硝化菌的作用。張家口氨氮去除菌哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="張家口氨氮去除菌哪家好,氨氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637379562151503907/6108708.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(wú)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?jī)r(jià)值和開(kāi)發(fā)前景。長(zhǎng)春硝化細(xì)菌廠家推薦氨氮以游離氨（NH3）和銨離子（NH4+）形式存在的氮受污染水體的氨氮。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="張家口氨氮去除菌哪家好,氨氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637379562442910157/1002772.png"></div><p style="text-indent:25px">氨氮測(cè)定及處理方法： 1 、水質(zhì)中氨氮測(cè)定的具體方法分析在水質(zhì)監(jiān)測(cè)中，氨氮是反映水質(zhì)的一項(xiàng)重要指標(biāo)，要想確保水質(zhì)監(jiān)測(cè)能夠取得積極的效果，人們就需要準(zhǔn)確測(cè)量氨氮含量?，F(xiàn)階段，水質(zhì)監(jiān)測(cè)人員要想有效測(cè)定氨氮，可以運(yùn)用以下方式。氨氮主要以氨離子或游離氨等形式存在，其能夠和納氏試劑發(fā)生反應(yīng)，生成黃棕色的混合物，且混合物色度和氨氮含量成正比，人們可以采取目視比色法與分光光度法進(jìn)行測(cè)定。其中，在運(yùn)用目視比色法進(jìn)行測(cè)定時(shí)，0.02 mg/L 為較低檢出濃度，上限濃度為2 mg/L；運(yùn)用分光光度法進(jìn)行測(cè)定時(shí)，0.05 mg/L 為較低檢出濃度，上限濃度則為 2 mg/L?！端|(zhì)氨氮的測(cè)定納氏試劑分光光度法》將該方式定為標(biāo)準(zhǔn)分析方法。納氏試劑分光光度法運(yùn)用好為較廣，其主要原理為 HgI2 與 KI 的堿性溶液和氨反應(yīng)而生成淡紅棕色膠態(tài)化合物，且色度和氨氮含量成正比。該方法一般能夠在波長(zhǎng) 410 ～ 425 nm 內(nèi)測(cè)定其吸光度，但水樣通常需經(jīng)過(guò)前處理來(lái)排除各類(lèi)干擾比色測(cè)定的因素。</p><p style="text-indent:25px">配制試劑用水應(yīng)為無(wú)氨水。納氏試劑：可選擇下列一種方法制備。（1）稱(chēng)取20g碘化鉀溶于約25ml水中，邊攪拌邊分次少量加入二**（HgCI2）結(jié)晶粉末（約10g），至出現(xiàn)朱紅色沉淀不易溶解時(shí)，改為滴加飽和二**溶液，并充分?jǐn)嚢?，?dāng)出現(xiàn)微量朱紅色沉淀不再溶解時(shí)，停止滴加二**溶液。另稱(chēng)取60g氫氧化鉀溶于水，并稀釋至250ml，冷卻至室溫后，將上述溶液在邊攪拌下，徐徐注入氫氧化鉀溶液中，用水稀釋至400ml，混勻。靜置過(guò)夜，將上清液移入聚乙烯瓶中，密塞保存。（2）稱(chēng)取16g氫氧化鈉，溶于50ml充分冷卻至室溫。另稱(chēng)取7g碘化鉀和10g碘化汞（HgI2）溶于水，然后將此溶液在攪拌下徐徐注入氫氧化鈉溶液中，用水稀釋至100ml，貯于聚乙烯瓶中，密塞保存。氨氮一般是工業(yè)污水或者有工業(yè)污水進(jìn)入生活污水管網(wǎng)的系統(tǒng)才能遇到。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="張家口氨氮去除菌哪家好,氨氮" src="https://tyunfile.71360.com/UploadFile/shplsw/637379562433906250/8123035.png"></div><p style="text-indent:25px">精密度和準(zhǔn)確度：三個(gè)實(shí)驗(yàn)室分析含1.14~1.16mg/L氨氮的加標(biāo)水樣，單個(gè)實(shí)驗(yàn)室的相對(duì)標(biāo)準(zhǔn)偏差不超過(guò)9.5%；加標(biāo)回收率范圍為95~104%。四個(gè)實(shí)驗(yàn)室分析含1.81~3.06mg/L氨氮的加標(biāo)水樣，單個(gè)實(shí)驗(yàn)室的相對(duì)標(biāo)準(zhǔn)偏差不超過(guò)4.4%；加標(biāo)回收率范圍為94~96%。注意事項(xiàng)：（1）納氏試劑中碘化汞與碘化鉀的比例，對(duì)顯色反應(yīng)的靈敏度有較大影響。靜置后生成的沉淀應(yīng)除去。（2）濾紙中常含有痕量銨鹽，使用時(shí)注意用無(wú)氨水洗滌。所用玻璃器皿應(yīng)避免實(shí)驗(yàn)室空氣中氨的沾污。氨氮內(nèi)回流導(dǎo)致的氨氮超標(biāo)也可以歸到有機(jī)物沖擊中。張家口氨氮去除菌哪家好</p><p style="text-indent:25px">氨氮導(dǎo)致來(lái)水氨氮突然升高，脫氮系統(tǒng)崩潰，出水氨氮超標(biāo)。張家口氨氮去除菌哪家好</p><p style="text-indent:25px">電極法概述: 方法原理: 氨氣敏電極為一復(fù)合電極，以pH玻璃電極為指示電極，銀-氯化銀電極為參比電極。此電極對(duì)置于盛有0.1mol/L氯化銨內(nèi)充液的塑料管中，管端部緊貼指示電極敏感膜處裝有疏水半滲透薄膜，使內(nèi)電解液與外部試液隔開(kāi)，半透膜與pH玻璃電極有一層很薄的液膜。當(dāng)水樣中加入強(qiáng)堿溶液將pH提高到11以上，使銨鹽轉(zhuǎn)化為氨，生成的氨由于擴(kuò)散作用而通過(guò)半透膜（水和其他離子則不能通過(guò)），使氯化銨電解質(zhì)液膜層內(nèi)NH4+?NH3+H+的反應(yīng)向左移動(dòng)，引起氫離子濃度改變，由pH玻璃電極測(cè)得其變化。在恒定的離子強(qiáng)度下，測(cè)得的電動(dòng)勢(shì)與水樣中氨氮濃度的對(duì)數(shù)呈一定的線性關(guān)系。由此，可從測(cè)得的電位確定樣品中氨氮的含量。張家口氨氮去除菌哪家好</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。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于環(huán)保行業(yè)的發(fā)展。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1906276.html</p></div></div></div></div></div><div id="hfw7okw" class="page-right 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