1- Erikson, P. (1988). “Nanofiltration extends the range of membrane filtration.” Environ. Prog., 7 (1), 1-17.
2- Conlon, W. J., and McCellan, S. A. (1989). “Membrane softening: treatment process comes of age.” J. AWWA, 81(11), 47-51.
3- Fu, P., Ruiz, H., Thompson, K., and Spangenberg, C. (1994). “Selecting membranes for removing NOM and DBP precursures.” J. AWWA, 86 (12), 55-72.
4- Duran, F. E., and Dunkelberger, G. W. (1995). “A comparison of membrane softening on 3 South Floridagroundwaters.” Desalination, 102 (1-3), 27-34.
5- Lo, T., and Sudak, R. G. (1992). “Removing water from a groundwater source.” J. AWWA, 84 (1), 79-87.
6- Berg, P., Hagmeyer, G., and Gimble, R. (1997). “Removal of pesticides and other micropollutants by nanofiltration.” Desalination, 113 (2-3), 205-208.
7- Glucina, K., Alvarez, A., Turner, G., and Laine, J. M. (2000). “Assessment of an integrated membrane system for surface water treatment.” Desalination, 132 (1-3), 73-82.
8- Boussahel, R., Bouland, S., Moussaoui, K. M., and Montiel, A. (2000). “Removal of pesticide residues in water using the nanofiltration process.” Desalination, 132 (1-3), 205-209.
9- Kiso, Y., Nishimura, Y., and Kitao, T. (2000(.“Rejection properties of non-phenylic pesticides with nanofiltration membranes.” J. Membr. Sci., 171, 229-237.
10- Oh, J. I., Urase, T., Kitawaki, H., Rahman, M. M., and Yamamoto, K. (2000). “Modeling of arsenic rejection considering affinity and steric hindrance effect in nanofiltration.” Water Sci. Technol., 42 (3-4), 73-80.
11- Choi, S., Yun, Z., Hong, S., and Ahn, K. (2001). “The effect of co-existing ions and surface characteristics of nanomembranes on the removal of nitrate and fluoride.” Desalination, 133 (1), 53-64.
12- Kosutic, K., Novak, I, Sipos, L., and Kunst, B. (2004). “Removal of sulfate and other inorganics from potable water by nanofiltration membranes of characterized porosity.” Separ. Purif. Technol., 37, 177-185.
13- Paugam, L., Taha, S., Dorange, G., Jaouen, P., and Quéméneur, F.(2004). “Mechanism of nitrate ions transfer in nanofiltration depending on pressure, pH, concentration and medium composition.”
J. Membr. Sci., 231 (1-2), 37-46.
14- Santafé-Morose, A., Gozálvez-Zafrilla, J. M., and Lora-García, J.(2005). “Performance of commercial nanofiltration membranes in the removal of nitrate ions.” Desalination, 185 (1-3), 281-287.
15- Bockstedte, M., Kley, A.,Neugebauer, J., Scheffler, M., Xianting, X., and Spencer, H.G.(1997). “Transport of electrolytes through a weak acid nanofiltration membrane: Effects of flux and crossflow velocity interpreted using a fine-porous membrane model.” Desalination, 113(1), 85-93.
16- Ratanatamskul, C., Urase, T., and Yamamoto, K. (1998). “Description of behavior in rejection of pollutants in ultra low pressure nanofiltration.” Water Sci. Technol., 38 (4-5), 453-462.
17- Xu, Y., and Lebrun, R.E. (1999).“Investigation of the solute separation by charged nanofiltration membrane: effect of pH, ionic strength and solute type.” J. Membr. Sci., 158 (1-2), 93-104.
18- Paugam, L., Taha, S., Cabon, J., and Dorange, G. (2002). “Elimination of nitrate ions in drinking waters by nanofiltration.” Desalination, 152, 271- 274.
19- ترابیان، ع.، و شکوهی هرندی، م . (1385). ”حذف نیترات، سولفات و سختی از آبهای سطحی با نانوفیلتراسیون. “مجموعه مقالات هفتمین کنفرانس بینالمللی عمران (ICCE)، دانشگاه تربیت مدرس، تهران، 523.
20- Wang, D.X., Su, M., Yu, Z.Y., Wang, X.L., Ando, M., and Shintani, T. (2005). “Separation performance of a nanofiltration membrane influenced by species and concentration of ions.” Desalination, 175 (2), 219-225.
21- Paugam, L., Diawara, C. K., Schlumpf, J. P., Jaouen, P., and Quéméneur, F. (2004). “Transfer of monovalent anions and nitrates especially through nanofiltration membranes in brackish water conditions.” Separ. Purif. Technol., 40 (3), 237-242.
22- Bannoud, A.H. (2001). “Elimination of hardness and sulfate content in water by nanofiltration.” Desalination, 137 ( 1-3 ), 133–139.
23- Krieg, H.M., Modise, S.J., Keizer, K., and Neomagus, H.W.J.P. (2004). “Salt rejection in nanofiltration for single and binary salt mixtures in view of sulphate removal.” Desalination, 171(2), 205-215.