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WATER TREATMENT CHEMICALS

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<p class="MsoNormal" style="text-indent:21.0pt;mso-char-indent-count:2.0"><span lang="EN-US" style="font-size:10.5pt;font-family:"微软雅黑","sans-serif";mso-bidi-font-family: <br>宋体">Pervaporation membranes can be classified into organic and inorganic <br>membranes. NaA zeolite membrane, as an inorganic membrane, has well-defined <br>zeolitic pores with high hydrophilicity. The pore size of NaA zeolite membrane <br>is 0.42 nm, which is larger than water molecule (~ 2.9 A) and less than most of <br>organic molecular diameters. Therefore, the membrane shows excellent <br>permselectivity and flux for separation of water from organics. Compared to <br>organic membranes, the zeolite membranes have several advantages including <br>higher permeation flux, higher separation factor and better thermal/chemical <br>stability.<o:p></o:p></span></p> <br> <br><p class="MsoNormal"><span lang="EN-US" style="font-size:10.5pt;font-family:"微软雅黑","sans-serif"; <br>mso-bidi-font-family:宋体;mso-no-proof:yes"><!--[if gte vml 1]><v:shapetype id="_x0000_t75" <br> coordsize="21600,21600" o:spt="75" o:preferrelative="t" path=&am
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