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<div class="right"> <div class="title">您現在的位置：<a href='http://www.bbsjj.net/'>主頁</a> > <a href='/news/'>新聞資訊</a> > </div><br /> <div class="content"> <div class="bt"> <h1>貴州河水凈化處理設備，河道水質治理</h1> <h6>來源：<a href="/" target="_blank">www.bbsjj.net</a> 時間:2023-05-11 14:24 點擊：<script src="/plus/count.php?view=yes&aid=1343&mid=1"type='text/javascript' language="javascript"></script></h6> </div> </div> <div class="nr_text"> <p> <strong><span style="font-size:16px;">河道水環境治理主要遵循四大原則：</span></strong></p> <p> <span style="font-size:16px;">（1）與社會經濟發展相協調原則；</span></p> <p> <span style="font-size:16px;">（2）社會經濟效益與生態效益相統一原則；</span></p> <p> <span style="font-size:16px;">（3）城市水系尺度和整體性原則；</span></p> <p> <span style="font-size:16px;">（4）自然自我修復為主，人工干預為輔。</span></p> <p> <span style="font-size:16px;">通過遵循以上四大原則基礎上，面對日益凸顯的水環境問題，我們經過幾年的探索和實踐，逐漸研究出了多種能有效治理水環境的方法和策略。</span></p> <p> <span style="font-size:16px;">河道水質凈化技術: 河道水質凈化技術主要包括河道曝氣、底泥疏浚、引水稀釋/沖刷、生物直投法凈化技術等。其中應用較為廣泛的是河道曝氣、引水稀釋、生物直投凈化法。</span></p> <p> <strong><span style="font-size:16px;">1、河道曝氣</span></strong></p> <p> <span style="font-size:16px;">河道曝氣法是在適當位置向河水中進行人工充氧，加速水體復氧過程，使整個河道的自凈過程始終處于好氧狀態，提高水體好氧微生物活性，從而改善河流水質。目前一般采用固定式充氧站和移動式充氧平臺兩種形式的曝氣設備，前者適用于河水較深且有航運要求的河道，后者具有靈活調整曝氣強度和位置的特點，使曝氣更為經濟、高效。</span></p> <p> <span style="font-size:16px;">2、引水稀釋/沖刷</span></p> <p> <span style="font-size:16px;">引水的直接作用是加快水體交換，縮短污染物滯留時間，從而降低污染物濃度指標，使水體水質得到改善，而且水體的流動性加強了沉積物和水體界面的物質交換，提高了水體的自凈能力。該方法主要應用于水體富營養化的河道，另外對于污染嚴重且流動緩慢的河流也可考慮采用此方法。</span></p> <p> <strong><span style="font-size:16px;">3、生物直投凈化法</span></strong></p> <p> <span style="font-size:16px;">河流中污染物的降解主要依靠微生物的降解作用，當河流污染嚴重而又缺乏有效微生物作用時，投加微生物以促進有機污染物降解。不過對于投加的微生物應滿足以下要求：</span></p> <p> <span style="font-size:16px;">（1）不含病原菌等有害微生物；</span></p> <p> <span style="font-size:16px;">（2）不對其他生物產生危害；</span></p> <p> <span style="font-size:16px;">（3）能適應河流的環境特點。</span></p> <br /> <hr /> <p> 上一篇：<a href='/news/1215.html'>遂川河長制為飲用水源裝上“過濾器”</a> </p> <p> 下一篇：<a href='/news/1390.html'>貴州反滲透凈水設備單雙級區別</a> </p> 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