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met-shownews-body" m-id="noset"> <div class="row"> <section class="details-title"> <h1 class='m-t-10 m-b-5'>反滲透是什么？</h1> <div class="info font-weight-300"> <span>2023-07-26 16:57:13</span> <span>zhou</span> <span> <i class="icon wb-eye m-r-5" aria-hidden="true"></i> <script type='text/javascript' class='met_hits' src="http://www.waystobeatdiabetes.com/hits/?lang=cn&type=news&vid=41&list=0"></script> </span> </div> </section> <section class="met-editor clearfix"> <p style="overflow-wrap: break-word; margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1; font-family: "><img src="http://weierj.com/upload/202307/1690361848288444.jpeg" title="純凈水設備|水處理|軟化水|消毒殺菌設備" alt="純凈水設備|水處理|軟化水|消毒殺菌設備"/></p><p style="overflow-wrap: break-word; margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1; font-family: ">反滲透是60年代發展起來的一項新的膜分離技術，是依靠反滲透膜在壓力下使溶液中的溶劑和溶質進行分離的過程。</p><div class="para MARK_MODULE" label-module="para" data-uuid="go0997qqu9" data-pid="19" style="overflow-wrap: break-word; margin-bottom: 15px; text-indent: 2em; line-height: 24px; zoom: 1; font-family: " helvetica="" pingfang="" hiragino="" sans="" microsoft="" wenquanyi="" micro="" text-wrap:="">要了解反滲透法除鹽原理，先要了解“滲透“的概念。滲透是一種物理現象，當兩種含有不同濃度鹽類的水，如用一張半滲透性的薄膜分開就會發現，含鹽量少的一聯的水分會透過膜滲到含鹽量高的水中，而所含的鹽分并不滲透，這樣，逐漸把兩聯的含鹽濃度融和到均等為止。然而，要完成這一過程需要很長，這一過程也稱為自然滲透。但如果在含鹽量高的水側，試加一個壓力，其結果也可以使上述滲透停止，這時的壓力稱為滲透壓力。如果壓力再加大，可以使水向相反方向滲透，而鹽分剩下。因此，反滲透除鹽原理，就是在有鹽分的水中（如原水），施以比自然滲透壓力更大的壓力，使滲透向相反方向進行，把原水中的水分子壓到膜的另一邊，變成潔凈的水，從而達除去水中鹽分的目的，這就是反滲透除鹽原理。</div><p><br/></p> </section> <div class='met-page met-shownews-footer border-top1' > <ul class="pagination block blocks-2 p-t-20"> <li class='page-item m-b-0 '> <a href=' http://www.waystobeatdiabetes.com/news/shownews.php?id=42' title="水泵的選型" class='page-link text-truncate'> 上一篇 <span aria-hidden="true" class='hidden-xs-down'>: 水泵的選型</span> </a> </li> <li class='page-item m-b-0 '> <a href=' http://www.waystobeatdiabetes.com/news/shownews.php?id=40' title="祁縣某豆制品廠8噸每小時反滲透凈水設備安裝現場" 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