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id="nrr"><div align="center"></div><div id="ddntzlz" class="nbj"><h1><span><b></b>公司動(dòng)態(tài)</span><em><a href='index.html'>網(wǎng)站首頁(yè)</a> > <a href='list_12.html'>新聞動(dòng)態(tài)</a> > <a href='list_10.html'>公司動(dòng)態(tài)</a></em> <div id="xlhdhjn" class="clear"></div></h1> <p><div class="fztpptl" id="newsview" class=" clearfix"> <div class="vfdhlpj" id="fontsizer"></div> <h2>污水處理中的基本概念有哪些</h2> <div class="vptpbnf" id="newsview_cs">作者：admin　　來(lái)源：admin　　更新時(shí)間：2018-11-08　　閱讀數：297 </div> <div class="hhnptfp" id="content">厭氧：污水生物處理中，沒(méi)有溶解氧也沒(méi)有硝態(tài)氮的環(huán)境形狀。溶解氧在0.2mg/L下面。<br /> 　　缺氧：污水生物處理中，溶解氧不足或沒(méi)有溶解氧但有硝態(tài)氮的環(huán)境形狀。溶解氧在0.2-0.5mg/L控制。<br /> 　　好氧：污水生物處理中，有溶解氧或兼有硝態(tài)氮的形狀。溶解氧在2.0mg/L以上。<br /> <p> 　　曝氣：只將空氣中的氧強制向液體中專(zhuān)一的進(jìn)程，其方針是獲得充足的溶解氧。其他，曝氣尚有防備懸浮體下沉，加強池內有機物與微生物及溶解氧觸摸的方針，然后確保池內微生物在有充分溶解氧的條件下，對污水中有機物的氧化分化。 </p> <p> <img src="UpLoadFile/image/20181108/20181108102369586958.jpg" width="350" height="350" alt="廣東環(huán)保工程公司" /> </p> 　　活性污泥：由細菌、真菌、原生動(dòng)物和后生動(dòng)物等各種生物和金屬氫氧化物等無(wú)機物所構成的污泥狀的絮凝物。有優(yōu)秀的吸附、絮凝、生物氧化和生物兼并功能。<br /> 　　活性污泥法：欺詐活性污泥在污水中的凝集、吸附、氧化、分化和沉淀等效果，去除污水中有機污染物的一種廢水處理方法。<br /> 　　生物膜法：使廢水觸摸生長(cháng)在不變保持物外表的生物膜，欺詐生物膜降解或轉化廢水中有機污染物的一種廢水處理方法。<br /> 　　氣?。簹飧》ㄊ窃谒型ㄈ牖虬l(fā)作很多的微細氣泡，使其附著(zhù)在懸浮顆粒上，構成密度小于水的形狀，欺詐浮力道理使它浮在水面，然后獲得固液闊別的方法。發(fā)作微氣泡的方法有曝氣和溶氣等。<br /> 　　混凝：混凝的方針在于經(jīng)過(guò)向水中投加一些藥劑(混凝劑或助凝劑)，使水中難以沉淀的膠體顆粒物能彼此聚合，長(cháng)大至能天然沉淀的水準，這個(gè)方法稱(chēng)為混凝沉淀。<br /> 　　過(guò)濾：在水處理進(jìn)程中，過(guò)濾通常是指以石英砂等粒狀填料層截留水中懸浮物質(zhì)，然后使水獲得清亮的工藝流程。過(guò)濾的要點(diǎn)效果是去除水中的懸浮或膠體物質(zhì)，獨特是能有用去除沉淀技藝不能去除的淺笑粒子和細菌等，對COD和BOD也有某種水準的去除功效。<br /> 　　沉淀：欺詐懸浮物和水的密度差，重力沉降效果去除水中懸浮物的進(jìn)程。<br /> 文章源自：廣東環(huán)保工程公司 <a href="../" target="_blank">http://www.wxbaozhenjx.com/</a><br /></div> <div id="jjvrpvp" class="flickr"></div> <div class="rljnbtv" id="pageview" class="clear"> <ul> <li><a href="content_875.html" title="Previous">上一條：氣浮設備在廢水處理中有什么作用</a></li> <li><a href="content_873.html" title="Next">下一條：什么是氣浮處理工藝</a></li> </ul> 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