Biofouling of spiral-wound nanofiltration and reverse osmosis membranes: A feed spacer problem

被引：285

作者：

Vrouwenvelder, J. S. ^{[1
,2
]}

von der Schulenburg, D. A. Graf ^{[3
]}

Kruithof, J. C. ^{[1
]}

Johns, M. L. ^{[3
]}

van Loosdrecht, M. C. M. ^{[2
]}

机构：

[1] Wetsus Ctr Excellence Sustainable Water Technol, NL-8900 CC Leeuwarden, Netherlands

[2] Delft Univ Technol, Dept Biotechnol, NL-2628 BC Delft, Netherlands

[3] Univ Cambridge, Dept Chem Engn, Cambridge CB2 3RA, England

来源：

WATER RESEARCH | 2009年 / 43卷 / 03期

基金：

英国工程与自然科学研究理事会;

关键词：

Feed spacer channel pressure drop; Biofouling; NMR; MRI; Membrane; Flux; Hydrodynamic conditions; NF; RO; Drinking water; FOULING SIMULATOR; RO; PRETREATMENT; FLUX; TOOL; PREDICTION; ELEMENTS; PLANT;

D O I：

10.1016/j.watres.2008.11.019

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Biofouling was studied in full-scale and pilot-scale installations, test-rigs and membrane fouling monitors by conventional methods as well as Magnetic Resonance Imaging (MRI). independent of permeate production, the. feed spacer channel pressure drop and biomass concentration increased similarly in a nanofiltration pilot installation. In the presence of a feed spacer the absolute feed channel pressure drop increase caused by biomass accumulation was much higher than when a feed spacer was absent: in both spiral wound nanofiltration and reverse osmosis systems biofouling is dominantly a feed spacer problem. This conclusion is based on (i) in situ visual observations of the fouling accumulation, (ii) in-situ non-destructive observations of the fouling accumulation and velocity distribution profiles using MRI, and (iii) differences in pressure drop and biomass development in monitors with and without feed spacer. MRI studies showed that even a restricted biofilm accumulation on the feed channel spacer influenced the velocity distribution profile strongly. Biofouling control should be focused on the development of low fouling feed spacers and hydrodynamic conditions to restrict the impact of biomass accumulation on the feed channel pressure drop increase. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：583 / 594

页数：12

共 36 条

[1]

[Anonymous], 2003, BIOL FOULING SEPARAT

[2] Biofouling control in reverse osmosis membranes using rapid biofiltration technology [J].

Brouwer, Harry ;

Meesters, Koen ;

van Groenestijn, Johan .

DESALINATION, 2006, 199 (1-3) :15-17

[3]

Callaghan P. T., 1991, Principles of Nuclear Magnetic Resonance Microscopy

[4] BIOFOULING OF PVD-1 REVERSE-OSMOSIS ELEMENTS IN THE WATER-TREATMENT PLANT OF THE CITY OF DUNEDIN, FLORIDA [J].

CARNAHAN, RP ;

BOLIN, L ;

SURATT, W .

DESALINATION, 1995, 102 (1-3) :235-244

[5]

Characklis W. G., 1990, BIOFILMS

[6] The effect of imposed flux on biofouling in reverse osmosis: Role of concentration polarisation and biofilm enhanced osmotic pressure phenomena [J].

Chong, T. H. ;

Wong, F. S. ;

Fane, A. G. .

JOURNAL OF MEMBRANE SCIENCE, 2008, 325 (02) :840-850

[7]

FLEMMING HC, 1994, BIOFOULING AND BIOCORROSION IN INDUSTRIAL WATER SYSTEMS, P63

[8] Biocide-free antifouling strategy to protect RO membranes from biofouling [J].

Griebe, T ;

Flemming, HC .

DESALINATION, 1998, 118 (1-3) :153-156A

[9] RARE IMAGING - A FAST IMAGING METHOD FOR CLINICAL MR [J].

HENNIG, J ;

NAUERTH, A ;

FRIEDBURG, H .

MAGNETIC RESONANCE IN MEDICINE, 1986, 3 (06) :823-833

[10] Biofouling of reverse osmosis membranes: Role of biofilm-enhanced osmotic pressure [J].

Herzberg, Moshe ;

Elimelech, Menachem .

JOURNAL OF MEMBRANE SCIENCE, 2007, 295 (1-2) :11-20

← 1 2 3 4 →