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Received August 29, 2005
Accepted December 6, 2005
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Backflushing, pulsation and in-line flocculation techniques for flux improvement in crossflow microfiltration
Department of Chemical Engineering, Chosun University, Gwangju 501-759, Korea
sibkim@mail.chosun.ac.kr
Korean Journal of Chemical Engineering, May 2006, 23(3), 391-398(8)
https://doi.org/10.1007/BF02706740
https://doi.org/10.1007/BF02706740
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Abstract
Crossflow microfiltration (CFMF) is a better technique for removal of particles from water suspension. Clogging is the main drawback of membrane application, which causes a drop in permeate flux. Numerous techniques are available for flux improvement. In this work, three such techniques backflushing, pulsation and in-line flocculation, are reviewed. Two experimental studies have been analyzed and compared. In both techniques, better flux was reported with cleaning frequency of 1min. This shows that a longer interval causes increased internal clogging and deposition. However for the backflushing case, longer duration of backflushing produced higher flux improvement, while pulsating performed inconsistently with stop duration. Net permeate volume was observed higher in both experiments when Tf=1min, Tb=1 sec and Tf=1 min, Ts=1 sec. This is due to higher flux at Tf=1min and longer net operation time. Comparing the flux improvement in both techniques without flocculent addition, backflushing produced 200% increment at Tf=1 min and Tb=5 sec. This was 63% at Tf=1min and Ts=1 sec with pulsating. Flux increment was 162% with backflushing at Tf=1 min and Tb=1 sec.
References
Al-Malack MH, Anderson GK, Water Res., 31, 3064 (1997)
Bartlett M, Bird MR, Howell JA, J. Membr. Sci., 105(1-2), 147 (1995)
Bhattacharjee C, Korean J. Chem. Eng., 21(3), 556 (2004)
Blanpain-Avet P, Doubrovine N, Lafforgue C, Lalande M, J. Membr. Sci., 152(2), 151 (1999)
Chen DW, Application of microfiltration with backflush technique in water treatment, Membrane Engineering Thesis, Asian Institute of Technology, Thailand, EV-90-6 (1990)
Connell H, Zhu J, Bassi A, J. Membr. Sci., 153(1), 121 (1999)
Dharmappa HB, Hagare P, Desalination, 121(1), 1 (1999)
Gan Q, Howell JA, Field RW, England R, Bird MR, McKechinie MT, J. Membr. Sci., 155(2), 277 (1999)
Guo WS, Vigneswaran S, Ngo HH, Desalination, 172(1), 53 (2005)
Kwon DY, Vigneswaran S, Water Sci. Technol., 38, 481 (1998)
Li JX, Sanderson RD, Chai GY, Hallbauer DK, J. Colloid Interface Sci., 284(1), 228 (2005)
Lim KH, Park SW, Korean J. Chem. Eng., 21(6), 1161 (2004)
Lim KH, Korean J. Chem. Eng., 22(2), 228 (2005)
Madaeni SS, Mohamamdi T, Moghadam MK, Desalination, 134(1-3), 77 (2001)
Meier J, Klein GM, Kottke V, Sep. Purif. Technol., 26, 43 (2002)
Thiruvenkatachari R, Shim WG, Lee JW, Moon H, Korean J. Chem. Eng., 22(2), 250 (2005)
Thomassen JK, Faraday DBF, Underwood BO, Cleaver JAS, Sep. Purif. Technol., 41, 91 (2005)
Bartlett M, Bird MR, Howell JA, J. Membr. Sci., 105(1-2), 147 (1995)
Bhattacharjee C, Korean J. Chem. Eng., 21(3), 556 (2004)
Blanpain-Avet P, Doubrovine N, Lafforgue C, Lalande M, J. Membr. Sci., 152(2), 151 (1999)
Chen DW, Application of microfiltration with backflush technique in water treatment, Membrane Engineering Thesis, Asian Institute of Technology, Thailand, EV-90-6 (1990)
Connell H, Zhu J, Bassi A, J. Membr. Sci., 153(1), 121 (1999)
Dharmappa HB, Hagare P, Desalination, 121(1), 1 (1999)
Gan Q, Howell JA, Field RW, England R, Bird MR, McKechinie MT, J. Membr. Sci., 155(2), 277 (1999)
Guo WS, Vigneswaran S, Ngo HH, Desalination, 172(1), 53 (2005)
Kwon DY, Vigneswaran S, Water Sci. Technol., 38, 481 (1998)
Li JX, Sanderson RD, Chai GY, Hallbauer DK, J. Colloid Interface Sci., 284(1), 228 (2005)
Lim KH, Park SW, Korean J. Chem. Eng., 21(6), 1161 (2004)
Lim KH, Korean J. Chem. Eng., 22(2), 228 (2005)
Madaeni SS, Mohamamdi T, Moghadam MK, Desalination, 134(1-3), 77 (2001)
Meier J, Klein GM, Kottke V, Sep. Purif. Technol., 26, 43 (2002)
Thiruvenkatachari R, Shim WG, Lee JW, Moon H, Korean J. Chem. Eng., 22(2), 250 (2005)
Thomassen JK, Faraday DBF, Underwood BO, Cleaver JAS, Sep. Purif. Technol., 41, 91 (2005)
