为获得纳滤膜材质对高含盐体系中有机物截留性能的影响规律,采用截留分子量相近的有机纳滤膜和陶瓷纳滤膜对模拟高含盐体系中有机物的截留性能进行研究比较,考察运行时间、盐浓度、跨膜压差、有机物浓度等因素对截留效果的影响.结果表明,两种纳滤膜运行30 min后截留性能即可稳定;随着盐浓度的增加,膜的渗透通量和膜对有机物的截留率都下降,其中陶瓷纳滤膜对有机物的截留效果优于有机纳滤膜;有机物浓度和跨膜压差对两种膜的截留性能影响较小.因此,在高含盐体系中,截留分子量相近的陶瓷纳滤膜相比于有机纳滤膜,前者具有更大的通量和更高的有机物截留率.
参考文献
| [1] | Olivier Lefebvre;Rene Moletta .Treatment of organic pollution in industrial saline wastewater: A literature review[J].Water research: A journal of the international water association,2006(20):3671-3682. |
| [2] | Ilgi Karapinar Kapdan;Burcu Erten .Anaerobic treatment of saline wastewater by Halanaerobium lacusrosei[J].Process biochemistry,2007(3):449-453. |
| [3] | Ismail Koyuncu .Reactive dye removal in dye/salt mixtures by nanofiltration membranes containing vinylsulphone dyes: effects of feed concentration and cross flow velocity[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2002(3):243-253. |
| [4] | C. Tang;V. Chen .Nanofiltration of textile wastewater for water reuse[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2002(1):11-20. |
| [5] | Fujioka T;Khan S J;McDonald J A;etal .Effects of membrane fouling on N-nitrosamine rejection by nanofiltration and reverse osmosis membranes[J].Journal of Membrane Science,2013,427(1):311-319. |
| [6] | Van Gestel T;Kruidhof H;Blank DHA;Bouwmeester HJM .ZrO2 and TiO2 membranes for nanofiltration and pervaporation - Part 1. Preparation and characterization of a corrosion-resistant ZrO2 nanofiltration membrane with a MWCO < 300[J].Journal of Membrane Science,2006(1/2):128-136. |
| [7] | Bargeman G;Vollenbroek JM;Straatsma J;Schroen CGPH;Boom RM .Nanofiltration of multi-component feeds. Interactions between neutral and charged components and their effect on retention[J].Journal of Membrane Science,2005(1/2):11-20. |
| [8] | Saliha Bouranene;Anthony Szymczyk;Patrick Fievet;Alain Vidonne .Influence of inorganic electrolytes on the retention of polyethyleneglycol by a nanofiltration ceramic membrane[J].Journal of Membrane Science,2007(1/2):216-221. |
| [9] | Luo J Q;Wan Y H .Effects of pH and salt on nanofiltration-a critical review[J].Journal of Membrane Science,2013,438(1):18-28. |
| [10] | Saliha Bouranene;Anthony Szymczyk;Patrick Fievet .Effect of salts on the retention of polyethyleneglycol by a nanofiltration ceramic membrane[J].Desalination: The International Journal on the Science and Technology of Desalting and Water Purification,2009(1/3):94-98. |
| [11] | Escoda A;Fievet P;Lakard S et al.Influence of salts on the rejection of polyethyleneglycol by an NF organic membrane:pore swelling and salting-out effects[J].Journal of Membrane Science,2010,347(1):174-182. |
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