Field experience with a 20,000 m3/d integrated membrane seawater desalination plant in Cyprus

Gasia-Bruch, Eduard; Sehn, Peter; Garcı́a-Molina, Verónica; Busch, Markus; Raize, Ofer; Negrin, Mino

doi:10.5004/dwt.2011.2381

Cited by 12 publications

(11 citation statements)

References 8 publications

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“…140,167 MF and UF membranes have been tested for TEP removal from different feedwater sources. 15,16,136,163,166 It was shown that irrespective of the feedwater characteristics, both TEP precursors and TEP are partially retained by MF and often drastically reduced by UF pretreatment systems (Table 3). However, removal efficiencies critically depend on the UF nominal pore size.…”

Section: Tep Fouling Propensity In Membranementioning

confidence: 99%

Transparent Exopolymer Particles: From Aquatic Environments and Engineered Systems to Membrane Biofouling

Bar‐Zeev

Passow

Castrillón

et al. 2015

Environ. Sci. Technol.

163

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Transparent exopolymer particles (TEP) are ubiquitous in marine and freshwater environments. For the past two decades, the distribution and ecological roles of these polysaccharide microgels in aquatic systems were extensively investigated. More recent studies have implicated TEP as an active agent in biofilm formation and membrane fouling. Since biofouling is one of the main hurdles for efficient operation of membrane-based technologies, there is a heightened interest in understanding the role of TEP in engineered water systems. In this review, we describe relevant TEP terminologies while critically discussing TEP biological origin, biochemical and physical characteristics, and occurrence and distributions in aquatic systems. Moreover, we examine the contribution of TEP to biofouling of various membrane technologies used in the desalination and water/wastewater treatment industry. Emphasis is given to the link between TEP physicochemical and biological properties and the underlying biofouling mechanisms. We highlight that thorough understanding of TEP dynamics in feedwater sources, pretreatment challenges, and biofouling mechanisms will lead to better management of fouling/biofouling in membrane technologies.

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Section: Tep Fouling Propensity In Membranementioning

confidence: 99%

Transparent Exopolymer Particles: From Aquatic Environments and Engineered Systems to Membrane Biofouling

Bar‐Zeev

Passow

Castrillón

et al. 2015

Environ. Sci. Technol.

163

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show abstract

“…Membrane technology has become integral for separation processes in the water industry including seawater desalination, 1–3 municipal/industrial wastewater treatment, 4,5 and other industries such as food processing 6 . The success of membranes can be attributed to their high separation performance, including consistency in permeate quality, the ease of operation and significant reductions of capital and process costs 7–10 .…”

Section: Introductionmentioning

confidence: 99%

Self‐doped sulfonated polyaniline ultrafiltration membranes with enhanced chlorine resistance and antifouling properties

Alhweij

Amura

Wenk

et al. 2021

J of Applied Polymer Sci

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Membranes heavily rely on chlorination to diminish (bio)fouling, but chlorination can also lead to membrane degradation. We developed sulfonated polyaniline (S‐PANI) ultrafiltration (UF) membranes with improved chlorine resistance and intrinsic antifouling properties. The S‐PANI membranes were synthesized through Non‐solvent Induced Phase Separation (NIPS). Membrane performance was evaluated under harsh chlorine conditions (250 ppm sodium hypochlorite for 3 days under different pH conditions). The S‐PANI membranes showed improved chlorine resistance including a stable performance without changes in model foulant BSA rejection. In contrast, PANI membranes suffered critical structural damage with complete leakage and commercial PES membranes showed a 76% increase in pure water flux and a noticeable change in BSA rejection. Small changes in S‐PANI membrane performance could be linked to membrane structural changes with pH, as confirmed by SEM, IR spectroscopy, and contact angle measurements. Additionally, the S‐PANI membranes showed better antifouling properties with a high flux recovery ratio in comparison to PANI membranes using alginic acid, humic acid, and BSA model foulants. Chemical cleaning by sodium hypochlorite re‐instated the transport properties to its initial condition. Overall, the developed S‐PANI membranes have a high chlorine tolerance and enhanced antifouling properties making them promising for a range of UF membrane applications.

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“…IMS can lower membrane fouling rates, energy consumption, and operating cost, resulting in a more stable operation [4]. Commonly, IMS uses microfiltration (MF) [5,6] or ultrafiltration (UF) [7][8][9][10][11] as a pretreatment technique to provide high quality filtrate for the following nanofiltration (NF) or seawater reverse osmosis (SWRO) process.…”

Section: Introductionmentioning

confidence: 99%

Pilot study of seawater nanofiltration softening technology based on integrated membrane system

et al. 2015

Desalination

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Field experience with a 20,000 m3/d integrated membrane seawater desalination plant in Cyprus

Cited by 12 publications

References 8 publications

Transparent Exopolymer Particles: From Aquatic Environments and Engineered Systems to Membrane Biofouling

Transparent Exopolymer Particles: From Aquatic Environments and Engineered Systems to Membrane Biofouling

Self‐doped sulfonated polyaniline ultrafiltration membranes with enhanced chlorine resistance and antifouling properties

Pilot study of seawater nanofiltration softening technology based on integrated membrane system

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