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"Microsoft YaHei"; font-size: 18px;">的脫鹽率是衡量產品的一個重要的目標，假如一個反滲透膜產品的脫鹽率下降了，那么便會導致反滲透膜高透鹽的狀況發生，但是許多客戶并不清楚這其中的緣由，那么下面咱們就一起來了解一下反滲透膜呈現高透鹽率的原因吧。</span></p><p><br/></p><p style="line-height: 3em; text-indent: 2em; text-align: justify;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">反滲透膜高透鹽率的原因存在以下幾個方面：進水壓力、進水溫度、進水鹽濃度、進水pH值。這些方面呈現了略微不同的問題都會導致反滲透膜高透鹽率狀況的呈現。</span></p><p><br/></p><p><br/></p><p style="line-height: 3em; text-indent: 2em; text-align: justify;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">一、進水壓力</span></p><p style="line-height: 3em; text-indent: 2em; text-align: justify;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">一般來說，進水壓力自身是不會影響咱們反滲透膜的脫鹽率，但是假如進水壓力一旦下降了的話，會形成反滲透膜的凈壓力下降，產水量隨之減少，同時鹽透過量堅持根本不變的話，產水量的減少使透過膜的鹽分濃度添加，便呈現了反滲透膜高透鹽率的狀況呈現；</span></p><p style="line-height: 3em; text-indent: 2em; text-align: justify;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;"><br/></span></p><p style="text-align:center"><img src="http://www.china-huihong.com/data/images/product/thumb_20191026102426_193.png" alt="反滲透膜"/></p><p style="line-height: 3em; text-indent: 2em; text-align: justify;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;"><br/></span></p><p style="line-height: 3em; text-indent: 2em; text-align: justify;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">二、進水溫度</span></p><p style="line-height: 3em; text-indent: 2em; text-align: justify;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">咱們都知道，進水溫度對反滲透膜的影響是較大，由于產水電導率對進水溫度的變化十分敏感，水溫一旦添加，水的通量也會呈現添加，進水溫度每升高1℃，透過膜的水分子粘度下降、分散性能增強，產水通量就添加2.5%～3.0%，那么鹽含量透過水的幾率就會增大；</span></p><p><br/></p><p style="line-height: 3em; text-indent: 2em; text-align: justify;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">三、進水鹽濃度</span></p><p style="line-height: 3em; text-indent: 2em; text-align: justify;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">進水鹽濃度是反滲透膜高透鹽率最為直接的原因，當水中的含鹽量較大，超過了反滲透膜脫鹽率工作范圍，那么鹽分在水中的殘留量就會增大，滲透壓是水中所含鹽分或有機物濃度的函數，含鹽量越高滲透壓也添加；</span></p><p><br/></p><p style="line-height: 3em; text-indent: 2em; text-align: justify;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">四、進水pH值</span></p><p style="line-height: 3em; text-indent: 2em; text-align: justify;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">通常狀況下，進水pH值對<a href="http://www.china-huihong.com/" target="_blank">反滲透膜</a>的產水量沒有關鍵性質的影響，但是在允許的范圍內，進水pH值對反滲透膜的脫鹽率也有較大影響，一方面pH值對產水的電導率有影響，這是由于反滲透膜自身大都帶有一些活性基團，pH值能夠影響膜表面的電場從而影響到離子遷移，pH值對進水中雜質的形態有直接影響，其截留率隨pH值的下降而下降，因此反滲透膜高透鹽率的狀況很大可能是進水pH值異常形成的。</span></p></div> <div class="xypg-detail-tags"> <div class="tags-title"> <h3>標簽</h3> <div class="baidu-share">  <div class="bdsharebuttonbox"> <a href="#" class="bds_more" data-cmd="more"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="分享到新浪微博"></a> <a href="#" class="bds_weixin" data-cmd="weixin" 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