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采用实验室小型反渗透装置,对影响反渗透膜除硼效率的各种因素进行了实验研究.结果表明:苦咸水淡化反渗透膜在通常条件下对硼酸的脱除率仅为30%~45%.反渗透对硼酸的脱除率随进水pH的增大而提高,但不受进水硼浓度的影响;反渗透操作压力的提高也可以增大硼酸脱除率,但元件回收率的增大则会降低脱除率.在各种因素中,增大pH可以显著提高硼酸脱除率,是改善反渗透除硼性能的有效途径.

参考文献

[1] Guidelines for drinking-water quality,first addendum to third edition,Volume 1[M].Recommendations,WHO,2009
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[4] Jorge Redondo;Markus Busch;Jean-Pierre De Witte .Boron removal from seawater using FILMTEC~(TM) high rejection SWRO membranes[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2003(1/3):229-238.
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[6] N.Kabay;M.Bryjak;S.Schlosser .Adsorption-membrane filtration (AMF) hybrid process for boron removal from seawater:an overview[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2008(1/3):38-48.
[7] Yunus Cengeloglu;Gulsin Arslan;Ali Tor .Removal of boron from water by using reverse osmosis[J].Separation and Purification Technology,2008(2):141-146.
[8] Sagiv A;Serniat R .Analysis of prarameters affecting boron permeation through reverse osmosis membranes[J].Journal of Membrane Science,2006,286(1-2):269-278.
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