反硝化菌有哪幾大類？特點是什么？-蘇州湛清環?？萍加邢薰?/title> <meta name="keywords" content="含氮廢水,硝態氮超標,總氮處理藥劑"/> <meta name="description" content="Answer：反硝化技術主要通過還原物質進行分類，主要的還原性物質是有機物、硫類物質、氫氣和鐵類物質。a)異養：有機物作為還原性物質，則為異養反硝化；（甲醇、乙酸、乙醇、葡萄糖等）。b)硫自養：化合硫類作為還原性物質，則為硫自養反..."/> <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no"> <link rel="shortcut icon" type="image/x-icon" href="http://www.sieuthikid.com/data/images/other/20190218103955_335.png"/>  <link rel="stylesheet" href="http://www.sieuthikid.com/template/default/style/plug.min.css"> <link rel="stylesheet" href="http://www.sieuthikid.com/template/default/style/app.css"> <link rel="stylesheet" href="http://www.sieuthikid.com/template/default/style/main.css">   <script src="http://www.sieuthikid.com/template/default/js/plug.min.js"></script> <script src="http://www.sieuthikid.com/template/default/js/app.js"></script> <script src="http://www.sieuthikid.com/template/default/js/main.js"></script> <meta 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class="container"> <div class="row"> <div class="col-lg-9 col-md-8 col-sm-12"> <div class="xypg-right"> <div class="xypg-right-content">  <div class="xypg-news-detail"> <h1 class="xypg-detail-title">反硝化菌有哪幾大類？特點是什么？</h1> <div class="xypg-detail-info-bar"> <div class="detail-info-time"><i class="iconfont icon-shijian"></i>2018-12-26</div> <div class="detail-info-numbers"><i class="iconfont icon-chakan"></i><script src="http://www.sieuthikid.com/data/include/newshits.php?id=704"></script>次</div> <div class="detail-info-author">來源：</div> </div> <div class="xypg-detail-con"><p style="line-height: 2em;"><span style="font-size: 20px;"><strong>Answer：</strong></span></p><p style="line-height: 2em;"> 反硝化技術主要通過還原物質進行分類，主要的還原性物質是有機物、硫類物質、氫氣和鐵類物質。</p><p style="line-height: 2em;"> a) <strong>異養：</strong>有機物作為還原性物質，則為異養反硝化；（甲醇、乙酸、乙醇、葡萄糖等）。</p><p style="line-height: 2em;"> b) <strong> 硫自養：</strong>化合硫類作為還原性物質，則為硫自養反硝化；（單質硫、負二價硫、硫代硫酸鹽）采用單質硫時，硝態氮和單質硫進行反應，然后生成硫酸鹽和氮氣。由于單質硫一次性投加到水中，是過量投加，因此，能夠抗一定的硝態氮水質波動。</p><p style="line-height: 2em;"> c) <strong>氫自養：</strong>氫氣作為還原性物質，則為氫自養反硝化；</p><p style="line-height: 2em;"> d) <strong>鐵自養：</strong>鐵類作為還原性物質，則為鐵自養反硝化（亞鐵、單質鐵）</p><p style="line-height: 2em;"> 這些技術作為反硝化技術的子項目。目前技術較為成熟的是異養反硝化技術，其他技術主要由于效率不高的問題，只是停留在實驗室研究階段。</p><p style="text-align: center; line-height: 2em;">表：異養反硝化與硫自養工藝的優缺點：</p><table align="center" cellspacing="0" cellpadding="0"><tbody><tr class="firstRow"><td width="64" valign="top" style="background: rgb(217, 217, 217); padding: 0px 7px; border: 1px solid windowtext; border-image: none;"><br/></td><td width="198" align="center" valign="middle" style="background: rgb(217, 217, 217); border-width: 1px 1px 1px 0px; border-style: solid solid solid none; border-color: windowtext windowtext windowtext rgb(0, 0, 0); padding: 0px 7px; border-image: none; -ms-word-break: break-all;"><p><span style="font-size: 18px;"><strong><br/></strong></span></p><p><span style="font-size: 18px;"><strong>異養反硝化</strong></span></p><p><span style="font-size: 18px;"><strong><br/></strong></span></p></td><td width="306" align="center" valign="middle" style="background: rgb(217, 217, 217); border-width: 1px 1px 1px 0px; border-style: solid solid solid none; border-color: windowtext windowtext windowtext rgb(0, 0, 0); padding: 0px 7px; border-image: none;"><p><span style="font-size: 18px;"><strong>硫自養反硝化</strong></span></p></td></tr><tr><td width="64" align="center" valign="middle" style="border-width: 0px 1px 1px; border-style: none solid solid; border-color: rgb(0, 0, 0) windowtext windowtext; padding: 0px 7px; border-image: none; background-color: transparent;"><p style="line-height: 2em;"><strong>優點</strong></p></td><td width="198" style="border-width: 0px 1px 1px 0px; border-style: none solid solid none; border-color: rgb(0, 0, 0) windowtext windowtext rgb(0, 0, 0); padding: 0px 7px; background-color: transparent;"><p style="line-height: 2em;">效率高，價格低</p></td><td width="306" style="border-width: 0px 1px 1px 0px; border-style: none solid solid none; border-color: rgb(0, 0, 0) windowtext windowtext rgb(0, 0, 0); padding: 0px 7px; background-color: transparent;"><p style="line-height: 2em;">抗水質波動*</p></td></tr><tr><td width="64" align="center" valign="middle" style="border-width: 0px 1px 1px; border-style: none solid solid; border-color: rgb(0, 0, 0) windowtext windowtext; padding: 0px 7px; border-image: none; background-color: transparent;"><p style="line-height: 2em;"><strong>缺點</strong></p></td><td width="198" style="border-width: 0px 1px 1px 0px; border-style: none solid solid none; border-color: rgb(0, 0, 0) windowtext windowtext rgb(0, 0, 0); padding: 0px 7px; background-color: transparent;"><p style="line-height: 2em;">有可能造成COD超標</p></td><td width="306" style="border-width: 0px 1px 1px 0px; border-style: none solid solid none; border-color: rgb(0, 0, 0) windowtext windowtext rgb(0, 0, 0); padding: 0px 7px; background-color: transparent;"><p style="line-height: 2em;">填料是消耗品，添加困難，效率低，啟動慢</p></td></tr></tbody></table><p style="line-height: 2em;"> *單質硫自養反硝化，硝酸鹽直接跟單質硫反應，而單質硫不溶于水，因此是一次性投加到水中，這個體系中有多少硝酸鹽，就反應多少的單質硫。</p><p> </p></div> <div class="xypg-detail-tags"> <div class="tags-title"> <h3>標簽</h3> </div> <div class="tags-content"><a href="http://www.sieuthikid.com/tag/%E5%90%AB%E6%B0%AE%E5%BA%9F%E6%B0%B4">含氮廢水</a>,<a href="http://www.sieuthikid.com/tag/%E7%A1%9D%E6%80%81%E6%B0%AE%E8%B6%85%E6%A0%87">硝態氮超標</a>,<a href="http://www.sieuthikid.com/tag/%E6%80%BB%E6%B0%AE%E5%A4%84%E7%90%86%E8%8D%AF%E5%89%82">總氮處理藥劑</a></div> </div> <div class="xypg-detail-pn"> <div><b>上一篇：</b><a href="http://www.sieuthikid.com/news/703.html">反硝化三階段速率變化具有什么特性？</a><span>2018-12-26</span></div> <div><b>下一篇：</b><a href="http://www.sieuthikid.com/news/705.html">反硝化轉化過程是怎么樣的？</a><span>2018-12-26</span></div> </div> </div>  <div class="xypg-relate"> <div class="relate-product"> <h4 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