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水處理是個技術活，這道坑真的深了去了，想要成為行家，需要知識與實踐并重。今天，水世界為大家扒出了一位圈內行家的經典筆記，供大家充電學習。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> <strong>1、水處理系統中幾個基本概念：TDS、SDI、LSI、KSP</strong></p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> 答：</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> TDS ：總溶解固形物(一般和礦化度近似)</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> SDI ：污染指數是衡量系統預處理效果的指標，SDI<6.7，對深井水(well water) 而言，反滲透裝置對進水 SDI 要求為 SDI<5。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> LSI ：Langelier Saturation Index, Langelier 指數是衡量反滲透裝置結垢傾向的，LSI=0，系統無結垢、無腐蝕傾向;LSI>0，系統有結垢傾向;LSI<0，系統有腐蝕傾向。對反滲透系統而言，LSI 值要求不大于 0。系統的 LSI 值可用加酸來降低，也可減少系統水回收率來降低。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> Ksp ：溶解度平衡常數，反滲透裝置對原水中的溶劑、溶質選擇透過，在濃水側因溶劑的減少而產生了濃縮，當濃水側溶解固形物濃縮出現因濃度積大于溶解度平衡常數時就會結晶析出，對反滲透裝置帶來危害。增加系統的溶解度平衡常數可用加阻垢劑的方式，阻垢劑能夠增加溶解固形物的溶解度。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> <strong>2、LSI 指數如何能得到有效的控制?</strong></p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> 答：要能有效地控制系統的 LSI 指數可通過以下幾個方面：</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> 1 、可通過降低系統水回收率來降低系統 LSI 指數。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> 2 、可通過投加酸來降低系統 LSI 指數。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> 3 、可通過投加相應的藥劑來增加系統中溶解鹽的溶解度，如投加 TRISPE1000 型阻垢劑。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> 4 、可通過降低或預除去水中容易結構的離子，如通過軟化柱軟化系統進水。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> <strong>3、你知道的預處理設備和投加藥劑有哪些?</strong></p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> 答：預處理設備有：機械過濾器、高效纖維過濾器、活性炭過濾器、精密過濾器、超濾、微濾、鈉離子軟化器、除鐵除錳過濾器、加藥裝置、原水箱、曝氣池。預處理藥劑有：破乳劑、反向破乳劑、綠森環保R011破乳劑<br /> 乳化液破乳劑，破乳劑混凝劑</p> <div sizcache="5" sizset="29" style="margin: 0px; padding: 0px; border: 0px; color: rgb(51, 51, 51); font-family: 宋體, 微軟雅黑, Arial, Helvetica, sans-serif; font-size: 16px;"> <div sizcache="5" sizset="29" style="margin: 0px; padding: 0px; border: 0px;"> <div sizcache="5" sizset="29" style="margin: 0px; padding: 0px; border: 0px;"> <div sizcache="4" sizset="19" style="margin: 0px; padding: 0px; border: 0px;"> <div id="content" sizcache="4" sizset="19" style="margin: 0px; padding: 0px; border: 0px;"> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em;"> <strong>4、水中含鐵如何去除?</strong></p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em;"> 答：<a class="keylink" style="text-decoration-line: none; color: rgb(59, 99, 159);" target="_blank" title="地下水"><span style="color:#000000;">地下水</span></a>中的鐵一般是二價亞鐵，因此必須將二價亞鐵氧化為三價鐵，氧化過程是通過曝氣來完成的，曝氣裝置將水同氧氣充分地接觸而產生自然氧化;曝氣后的水通過除鐵除錳過濾器進行除鐵過程。如果水中的鐵大部分為三價鐵則不必曝氣而直接進入除鐵除錳過濾器進行脫除。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em;"> <strong>5、水質分析中水樣采集應注意什么問題?</strong></p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em;"> 答：水質分析中水樣采集應注意以下幾個問題：</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em;"> 1、采樣應具有代表性，即所采取水樣能代表整個水體的水質。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em;"> 2、水樣的水質應在采用與分析之間應該穩定不變或無明顯的變化。取樣量應為檢測項目需樣量的 4-5 倍，以保證重復分析和復檢的水樣量，最小取樣量應以保證分析的準確度與精度的要求為準。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em;"> 3、盡量縮短水樣和取樣設備的接觸時間，水樣流經管線應采取高線性流速，如果采用時需要連接管路和閥門等中間流路，應特別注意這一中間環節的污染問題，其材質與清洗的要求應與采用容器一致。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em;"> 4、現場測試的項目，如 PH 值、溶解氧、堿度、CO2、亞鐵、氨態氮、余氯等含量，應盡量縮短取樣至分析餓時間間隔，且應盡量采用在線分析檢測。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em;"> 5、應備有采用記錄并在采樣容器上貼標簽，注明采用名稱、時間、地點、溫度、采樣量、采用容器及采樣人等。</p> <p style="margin: 0px; padding: 0px 0px 20px; border: 0px; text-indent: 2em; -webkit-margin-before: 1em; -webkit-margin-after: 1em;"> </p></div> <div class="shangxiaye cl"> <a href="/?list_16/66.html">上一篇：微生物污水處理菌種的主要用途是？</a><br><a href="/?list_16/68.html">下一篇：污水處理行業進入大建設時代傳統污水廠模式難以為繼</a> </div> </div>  </div>  <div class="lefts box-s fr"> <form name="searchform" action="/?search/" method="get"> <div class="sousuok 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