2009
DOI: 10.1016/j.desal.2009.02.043
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Ultrafiltration as direct pre-treatment of seawater – a case study

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Cited by 22 publications
(8 citation statements)
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“…Permeate and backwash fluxes range from 20 to 150 L.h -1 .m -2 and from 60 to 350 L.h -1 .m -2 respectively and are usually encountered for seawater pretreatment by porous membranes [14][15][16]. Backwash and filtration cycles can last from a few seconds and up to several minutes or hours respectively [17,18]. Therefore, the present work deals with the fouling mechanisms of membranes during seawater ultrafiltration in dead-end mode (from the outside to the inside of the PVDF hollow fiber membrane).…”
Section: Introductionmentioning
confidence: 99%
“…Permeate and backwash fluxes range from 20 to 150 L.h -1 .m -2 and from 60 to 350 L.h -1 .m -2 respectively and are usually encountered for seawater pretreatment by porous membranes [14][15][16]. Backwash and filtration cycles can last from a few seconds and up to several minutes or hours respectively [17,18]. Therefore, the present work deals with the fouling mechanisms of membranes during seawater ultrafiltration in dead-end mode (from the outside to the inside of the PVDF hollow fiber membrane).…”
Section: Introductionmentioning
confidence: 99%
“…Mesmo quando é operado de forma apropriada e com devida manutenção, o pré-tratamento convencional com filtros cartucho não é capaz de promover uma remoção apropriada dos sólidos suspensos e dos microrganismos (JEZOWSKA et al, 2009), afetando significantemente o tempo de vida útil das membranas. Os filtros apresentam outras desvantagens, como necessidade frequente de substituição e equipamentos com grande volume e peso.…”
Section: Introductionunclassified
“…Recentemente, os processos de microfiltração (MF) e ultrafiltração apareceram como alternativas ao pré-tratamento convencional, possibilitando melhor estabilidade para o processo de dessulfatação (JEZOWSKA et al, 2009). Em alguns sistemas, a ultrafiltração já tem sido utilizada em substituição aos filtros cartucho convencionais e possibilitou uma melhora significativa na produtividade da URS (ALAM et al, 2017;BOCZKOWSKI;ERIKSSON;SIMIONATO, 2015;JEZOWSKA et al, 2009;PEDENAUD;HURTEVENT;BARAKA-LOKMANE, 2012). A MF também aparece como alternativa promissora, visto que as membranas podem ser capazes de remover sólidos suspensos e microrganismos, possuem fácil manutenção, além de possibilitar a diminuição de tamanho e peso do sistema de pré-tratamento.…”
Section: Introductionunclassified
“…In the last ten years, ultrafiltration (UF) or microfiltration (MF) pre-treatment has gained widespread attention as potential pre-treatment to seawater desalination by seawater reverse osmosis (SWRO). While in the period until 2002, mostly pilot studies were undertaken, in recent years there have been about 10-15 seawater reverse osmosis (SWRO) plants implemented using ultrafiltration pre-treatment Jerowska et al,2009;Kim & Yoon, 2005). Membrane filtration pre-treatment involves forcing seawater through a membrane with very fine pores.…”
Section: Membranes (Ultrafiltration and Microfiltration)mentioning
confidence: 99%