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YaHei"; font-size: 18px;"> </span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">反滲透膜在工作原理上是通過對進水側施加操作壓力形成壓力差用來克服自然滲透壓，這樣的話，當高于自然滲透壓的操作壓力施加于濃溶液側時，水的流動方向就會逆于自然滲透下水流動方向，從而形成反滲透，進水中的水分子部分通過半透膜膜成為稀溶液側的凈化產水。</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;"> </span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">反滲透膜在過濾精度上，<a href='http://www.china-huihong.com/news/407.html' target='_blank' class='key_tag'><font><strong>反滲透技術</strong></font></a>一種極具精密度的過濾技術，它能阻擋所有溶解性鹽及分子量大于100 的有機物，在這種精度下還能準確允許水分子通行。反滲透膜主要有兩種材質，不同的材質過濾精度不同，其中醋酸纖維素反滲透膜脫鹽率一般可大于95%，而復合膜脫鹽率則是一般大于98%。</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;"> </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;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;"><br/></span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;"><br/></span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">但反滲透膜也有不同材質的。那么到底有多少種材質的反滲透膜呢？不同材質的反滲透膜有啥區別呢？下面我們一起來看看吧。</span><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px; text-indent: 2em;"> </span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">醋酸纖維素</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">醋酸纖維素又稱乙酰纖維素或纖維素醋酸酯。常以含纖維素的棉花、木材等為原料，經過酯化和水解反應制成醋酸纖維素，再加工成反滲透膜。</span><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px; text-indent: 2em;"> </span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">聚酰胺</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">聚酰胺包括脂肪族聚酰胺和芳香族聚酰胺兩大類。目前使用最多的是芳香族聚酰胺膜。膜材料為芳香族聚酰胺、芳香族聚酰胺—酰肼以及一些含氮芳香聚合物。</span><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px; text-indent: 2em;"> </span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">復合膜</span></p><p style="line-height: 3em; text-indent: 2em;"><span style="font-family: 微軟雅黑, "Microsoft YaHei"; font-size: 18px;">復合膜的特征是主要由以上兩種材料制成，它是以很薄的致密層和多孔支撐層復合而成。多孔支撐層又稱基膜，起增強機械強度的作用；致密層也稱表皮層，起脫鹽作用，故又稱脫鹽層。脫鹽層厚度一般為50nm，最薄的為30nm。</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="#" 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