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<div id="tl4bfyk" class="mt20 cpleftbottom"> <div> <h3>產(chǎn)品及技術(shù)服務(wù)</h3> <p>咨詢熱線：</p> <span>13650319958</span> <span>13829269717</span> </div> </div> </div> </div> <div id="tl4bfyk" class="indexRight"> <div id="tl4bfyk" class="right_1"><a name="27"></a></div> <div id="tl4bfyk" class="neiye_line2Video"> <div id="tl4bfyk" class="right_2"> <div id="tl4bfyk" class="right_3"> 當(dāng)前位置：<a href="/">首頁(yè)</a><span> > </span> <a href="/html/list-2-1.html">新聞動(dòng)態(tài)</a> > <a href="/html/list-27-1.html">行業(yè)新聞</a> </div> </div> <div id="tl4bfyk" class="details_2"> <div id="tl4bfyk" class="zx_top"> <h2>東莞反滲透膜清洗方法是怎樣的？</h2> <p><span>來(lái)源：雅昊水處理信息部</span><span>發(fā)布時(shí)間：2021-05-18 15:49:22</span><span>點(diǎn)擊率：<span id="hits"></span></span></p> <input id="Hidden1" type="hidden" value='518' /> </div> <div id="tl4bfyk" class="zx_middle"> <div id="tl4bfyk" class="zx_from"> <p><span></span></p> </div> <div id="tl4bfyk" class="zx_from2"> <p><a href="/index.php?m=content&c=rss" target="_blank"><img src="/statics/images/ico11-1.gif" alt="RSS訂閱" /></a> 【<a href="javascript:;" onClick="$j('cntrBody').css('font-size','16px')">大</a> <a href="javascript:;" onClick="$j('cntrBody').css('font-size','14px')">中</a> <a href="javascript:;" onClick="$j('cntrBody').css('font-size','12px')">小</a>】</p> </div> </div> <div id="tl4bfyk" class="clear"></div> <div class="tl4bfyk" id="cntrBody" class="zx_txt"> <p style="box-sizing:border-box;margin-top:0px;margin-bottom:10px;padding:0px;color:#333333;font-family:"Microsoft YaHei", Helvetica, Arial, sans-serif;font-size:14px;white-space:normal;"> 在水處理系統(tǒng)的供水系統(tǒng)中，水合金屬于各種形式的氧化物、硅、鈣沉積物、有機(jī)物、生物等，導(dǎo)致反滲透膜表面受到污染。膜面產(chǎn)生的污垢會(huì)加速系統(tǒng)性能的下降，例如產(chǎn)水量、脫鹽率、進(jìn)水與濃水之間的壓差等。運(yùn)轉(zhuǎn)一段時(shí)間后，膜必須清洗，人的衣服穿得很長(zhǎng)，必須清洗。接下來(lái)，我想和大家分享一下反滲透膜的清洗方法。 </p> <div style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"Microsoft YaHei", Helvetica, Arial, sans-serif;font-size:14px;white-space:normal;"> 反滲透膜清洗方法 </div> <div style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"Microsoft YaHei", Helvetica, Arial, sans-serif;font-size:14px;white-space:normal;"> </div> <div style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"Microsoft YaHei", Helvetica, Arial, sans-serif;font-size:14px;white-space:normal;"> 反滲透膜性能下降的主要原因是膜表面受到污染，如膜表面結(jié)垢、膜表面堵塞等，或由于膜本身的物理和化學(xué)特性改變。物理化學(xué)上的變化主要是由于壓效應(yīng)導(dǎo)致的滲透率下降；化學(xué)上的變化主要是由于pH波動(dòng)導(dǎo)致的，如使醋酸纖維素膜水解、游離氯等也會(huì)導(dǎo)致芳香聚酰胺膜的性能惡化。 </div> <div style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"Microsoft YaHei", Helvetica, Arial, sans-serif;font-size:14px;white-space:normal;"> </div> <div style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"Microsoft YaHei", Helvetica, Arial, sans-serif;font-size:14px;white-space:normal;"> 反滲膜污染主要由膜表面沉積物和微生物的滋長(zhǎng)所致。這些微生物不僅堵塞膜層，而且對(duì)醋酸纖維素也有破壞作用。因此，一定數(shù)量的余氯必須保留在膜上，但是過(guò)高的余氯，會(huì)導(dǎo)致膜性能的下降，因此，0.1~0.5mg/L的余氯必須留在醋酸纖維素膜上，0.1mg/L的余氯留在芳香聚酰胺膜上。 </div> <div style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"Microsoft YaHei", Helvetica, Arial, sans-serif;font-size:14px;white-space:normal;"> </div> <p style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"Microsoft YaHei", Helvetica, Arial, sans-serif;font-size:14px;white-space:normal;"> 加工方法：用0.1%甲醛溶液定期循環(huán)清洗加工至少1h。已被污染的薄膜應(yīng)用2%檸檬酸銨溶液(pH4~8)或以亞硫酸氫鈉、六偏磷酸鈉、稀鹽酸等清除，以防止錳、鐵和碳酸鹽結(jié)垢。有時(shí)用酶清洗劑清洗有機(jī)物。清洗壓力控制在0.34～0.98MPa，清洗流速為原來(lái)水處理流速的2～3倍。 </p> <p style="box-sizing:border-box;margin:0px;padding:0px;color:#333333;font-family:"Microsoft YaHei", Helvetica, Arial, sans-serif;font-size:14px;white-space:normal;"> <p class="p" style="margin-top:0.0000pt;margin-right:0.0000pt;margin-bottom:0.0000pt;text-indent:21.0000pt;mso-char-indent-count:2.0000;padding:0pt 0pt 0pt 0pt;mso-pagination:widow-orphan;"> 本文采于由循環(huán)水處理網(wǎng) http://friendshipcircleavon.com 分享，專注于中央空調(diào)行業(yè)的循環(huán)水處理綜合性網(wǎng)站，主營(yíng)有循環(huán)水處理藥劑及服務(wù)：除垢除銹清洗劑、殺菌滅藻劑、水質(zhì)處理劑、PH值調(diào)節(jié)劑，翅片清洗劑等藥劑，批發(fā)零售水處理設(shè)備：冷卻塔在線檢測(cè)加藥、自動(dòng)砂濾裝置、冷凝器在線清洗，水箱消毒器，自動(dòng)軟化水質(zhì)裝置等設(shè)備，全國(guó)服務(wù)<span style="font-family:微軟雅黑;">熱線：</span>0769-81886769 / 13829269717（同微信） </p> </p> </div> <div id="tl4bfyk" class="sxyip"> <p><strong>上一篇：</strong><a href="/html/show-27-517-1.html">東莞循環(huán)水處理藥劑有哪些優(yōu)勢(shì)？</a></p> <p><strong>下一篇：</strong><a href="/html/show-27-519-1.html">東莞中央空調(diào)維保公司怎么選擇？</a></p> <div id="tl4bfyk" class="gjaz"> <span>本文Tags標(biāo)簽：</span> <a href="/index.php?m=content&c=tag&siteid=1&tag=%E5%86%B7%E5%87%9D%E5%99%A8%E3%80%81%E6%B8%85%E6%B4%97" target="_blank">冷凝器、清洗</a> </div> </div> <div id="tl4bfyk" 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