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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="flbfbf5" class="clear"></div></h1> <p><div class="h1vbnbn" id="newsview" class=" clearfix"> <div class="3d5hvhb" id="fontsizer"></div> <h2>常見(jiàn)的污水工程有什么</h2> <div class="51n11jr" id="newsview_cs">作者：admin　　來(lái)源：admin　　更新時(shí)間：2018-10-23　　閱讀數：267 </div> <div class="tznhdtp" id="content">現代污水處理設備技能，按處理程度劃分，可分為一級、二級和三級處理。<br /> <p> 　　一級處理，首要去除污水中呈懸浮狀況的固體污染物質(zhì)，物理處理法大部分只能完結一級處理的要求。通過(guò)一級處理的污水，BOD一般可去除30%左右，達不到排放規范。一級處理歸于二級處理的預處理。 </p> <p> <img src="UpLoadFile/image/20181023/20181023113183588358.jpg" width="400" height="276" alt="廣東環(huán)保工程公司" /> </p> 　　二級處理，首要去除污水中呈膠體和溶解狀況的有機污染物質(zhì)(BOD，COD物質(zhì))，去除率可達90%以上，使有機污染物達到排放規范。<br /> 　　三級處理，進(jìn)一步處理難降解的有機物、氮和磷等可以導致水體富營(yíng)養化的可溶性無(wú)機物等。污水處理工程首要辦法有生物脫氮除磷法，混凝沉淀法，砂率法，活性炭吸附法，離子交換法和電滲分析法等。<br /> 　　整個(gè)過(guò)程為通過(guò)粗格刪的原污水通過(guò)污水提高泵提高后，通過(guò)格刪或許篩率器，之后進(jìn)入沉砂池，通過(guò)砂水別離的污水進(jìn)入初度沉淀池，以上為一級處理(即物理處理)，初沉池的出水進(jìn)入生物處理設備，有活性污泥法和生物膜法，(其中活性污泥法的反應器有曝氣池，氧化溝等，生物膜法包含生物濾池、生物轉盤(pán)、生物觸摸氧化法和生物流化床)，污水處理工程介紹生物處理設備的出水進(jìn)入二次沉淀池，二沉池的出水通過(guò)消毒排放或許進(jìn)入三級處理，一級處理完畢到此為二級處理，三級處理包含生物脫氮除磷法，混凝沉淀法，砂濾法，活性炭吸附法，離子交換法和電滲析法。二沉池的污泥一部分回流至初度沉淀池或許生物處理設備，一部分進(jìn)入污泥濃縮池，之后進(jìn)入污泥消化池，通過(guò)脫水和干燥設備后，污泥被最終使用。<br /> 文章來(lái)源：廣東環(huán)保工程公司 <a href="../" target="_blank">http://m.wxbaozhenjx.com/</a><br /></div> <div id="plxtxtx" class="flickr"></div> <div class="pdr55v5" id="pageview" class="clear"> <ul> <li><a href="content_863.html" title="Previous">上一條：垃圾填埋場(chǎng)的廢氣要怎樣處理</a></li> <li><a href="content_861.html" title="Next">下一條：化工廢水有哪些誤區</a></li> </ul> </div> </div></p></div> </div><div id="5dz5d1d" class="clear" style="height:30px;"></div></div></div></div> <div class="b11rdz1" id="fft"> <div class="trvrdhf" id="indexb"> <img src="Template/Free001/Images/hsewm_41.jpg" border="0" 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