Abstract
In Cross-Flow Microfiltration (CFMF), suspended particles deposit to form a cake layer on the membrane surface, which provides a resistance to permeate flow. The cake resistance, which plays an important role on the performance of CFMF, is mainly determined by the packing porosity of the cake and, the physical and chemical properties of particles. This study aimed at understanding the porosity and the specific filtration resistance of the cake for a given condition. These properties have been studied using experiments under a constant permeate flux. Factors such as permeate flux and ionic strength were investigated in terms of the particles deposition and cake formation. This study also adopted a force balance model to predict the deposit rate of particles and then compare with the experimental results. Inter-particle forces (electric double layer repulsion force and Van der Waals attraction force) were incorporated into the calculation of cake structure (cake porosity and specific resistance) together with the equilibrium condition of hydrodynamic forces. The experimental results showed that the higher the permeate flux led to the greater amount of particles deposit and the denser structure of cake. The porosity of cake decreased with the increase in ionic strength (0∼0.01M) and then increased sharply afterwards (0.01∼0.1M). The hydrodynamic force balance model estimated well the tendency of variation in cake structure depending on the ionic strength.
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Aimar, P. and Howell, J. A. (1991). “Concentration polarization buildup in hollow fibers: A method of measurement and its modeling in ultrafiltration.” J. Mem. Sci., Vol. 59, Issue 1, pp. 81–99, DOI: 10.1016/S0376-7388(00)81223-5.
Baccin, P., Espinasse, B., and Aimar, P. (2005). “Distribution of critical flux: Modeling, experimental analysis and consequences for crossflow membrane filtration.” J. Mem. Sci., Vol. 250, Issues 1–2, pp. 223–234, DOI: 10.1016/j.memsci.2004.10.033.
Bacchin, P., Si-Hassen, D., Starov, V, Clifton, M. J., and Aimar, P. (2002). “A unifying model for concentration polarization, gel-layer formation and particle deposition in cross-flow membrane filtration of colloidal suspensions.” Chem. Eng. Sci., Vol. 57, Issue 1, pp. 77–91, DOI: 10.1016/S009-2509(01)00316-5.
Baker, R. J., Fane, A. J., Fell, C. J. D., and Yoo, B. H. (1985). “Factors affecting flux in crossflow filtration.” Desalination, Vol. 53, Issues 1–3, pp. 81–93, DOI: 10.1016/0011-9164(85)85053-0.
Belfort, G., Davis, R. H., and Zydey, A. L. (1994). “The behavior of suspensions and macromolecular solutions in crossflow microfiltration.” J. Mem. Sci., Vol. 96, Issues 1–2, pp. 1–58, DOI: 10.1016/0376-7388(94)00119-7.
Blake, N. J., Cumming, I. W., and Streat, M. (1992). “Prediction of steady state crossflow filtration using a force balance model.” J. Mem. Sci., Vol. 68, Issue 3, pp. 205–216, DOI: 10.1016/0376-7388(92)85022-13.
Bugge, T. V., Jorgensen, M. K., Christensen, M. L., and Keiding, K. (2012). “Modeling cake buildup under TMP-step filtration in a membrane bioreactor: Cake compressibility is significant.” Water Res., Vol. 46, Issue 14, pp. 4330–4338, DOI: 10.1016/j.watres.2012.06.015.
Dong, C., Linda, K. W., Harold, W. W., and Lenhart, J. J. (2006). “Ultrasonic control of ceramic membrane fouling caused by natural organic matter and silica particles.” J. Mem. Sci., Vol. 276, Issues 1–2, pp. 135–144, DOI: 10.1016/j.memsci.2005.09.039.
Field, R. W., Wu, D., Howell, J. A., and Gupta, B. B. (1995). “Critical flux concept for microfiltration fouling.” J. Mem. Sci., Vol. 100, Issue 3, pp. 259–272, DOI: 10.1016/0376-7388(94)00265-Z.
Goren, S. L. (1979). “The hydrodynamic force resisting the approach of a plane permeable wall.” J. Colloid Interface Sci., Vol. 69, Issue 1, pp. 78–85, DOI: 10.1016/0021-9797(79)90082-1.
Green, G. and Belfort, G. (1980). “Fouling of ultrafiltration membranes: Lateral migration and the particle trajectory model.” Desalination, Vol. 35, pp. 129–147, DOI: 10.1016/S0011-9164(00)88607-5.
Kim, S. H. and Park, H. K. (2000). “Prediction of critical flux conditions in crossflow microfiltration using a numerical model.” Journal of the Korean Society of Civil Engineers, KSCE, Vol. 20, No. 1B, pp. 131–138.
Kim, S. H. and Park, H. K. (2004). “Reduction of cake layer by reaggregation at the movable cake layer in coagulation-crossflow microfiltration process.” Journal of the Korean Society of Civil Engineers, KSCE, Vol. 24, No. 2B, pp. 147–154.
Kwon, D. Y. (1998). Experimental investigation on critical flux in cross-flow microfiltration, PhD Thesis, UTS.
Lee, J. D., Lee, S. H., Jo, M. H., Park, P. K., Lee, C. H., and Kwak, J. W. (2000). “Effect of coagulation conditions on membrane filtration characteristics in coagulation-microfiltration process for water treatment.” Environ. Sci. Technol., Vol. 34, No. 17, pp. 3780–3788, DOI: 10.1021/es9907461.
Lin, C. J., Shirazi, S., Rao, P., and Agarwal, S. (2006). “Effect of operational parameters on cake formation of CaSO4 in nanofiltration.” Water Res., Vol. 40, Issue 4, pp. 806–816, DOI: 10.1016/j.watres.2005.12.013.
Lokjine, M. H., Field, R. W., and Howell, J. A. (1992). “Crossflow filtration of cell suspensions: A review of models with emphasis on particle size effects.” Trans. I Chem. E., Vol. 70, Part C, pp. 149–161.
Lu, W. M. and Ju, S. C. (1989). “Selective particle deposition in crossflow filtration.” Sep. Sci, & Tech., Vol. 24, Issues 7–8, pp. 517–540.
McDonogh, R. M., Fell, C. J. D., and Fane, A. G. (1984). “Surface charge and permeability in the ultrafiltration of non-flocculating colloids.” J. Mem. Sci., Vol. 21, Issue 3, pp. 285–294, DOI: 10.1016/S0376-7388(00)80219-7.
McDonogh, R. M., Welsch, K., Fell, C. J. D., and Fane, A. G. (1992). “Incorporation of the cake pressure profiles in the calculation of the effect of particle charge on the permeability of filter cakes obtained in the filtration of colloids and particulates.” J. Mem. Sci., Vol. 72, Issue 3, pp. 197–204, DOI: 10.1016/0376-7388(92)80200-4.
O’Neill, M. E. (1968). “A sphere in contact with a plane wall in a slow linear shear flow.” Chem. Eng. Sci., Vol. 23, Issue 11, pp. 1293–1298, DOI: 10.1016/0009-2509(68)89039-6.
Sharma, M. M. and Lei, Z. (1991). “A model for clay filter cake properties.” Colloids Surf., Vol. 56, pp. 357–381, DOI: 10.1016/0166-6622(91)80132-8.
Wang, X. M. and Li, X. Y. (2014). “Modeling of the initial deposition of individual particles during the cross-flow membrane filtration.” Colloids & Surfaces A: Physicochem. Eng. Aspects, Vol. 440, pp. 91–100, DOI: 10.1016/j.colsurfa.2012.10.033.
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Vigneswaran, S., Kwon, DY. Effect of ionic strength and permeate flux on membrane fouling: Analysis of forces acting on particle deposit and cake formation. KSCE J Civ Eng 19, 1604–1611 (2015). https://doi.org/10.1007/s12205-014-0079-0
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DOI: https://doi.org/10.1007/s12205-014-0079-0