Removal of antibiotics from a model wastewater by RO/NF membranes

Košutić, Krešimir; Dolar, Davor; Ašperger, Danijela; Kunst, Branko

doi:10.1016/j.seppur.2006.07.015

Cited by 205 publications

(91 citation statements)

References 16 publications

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“…108 Similarly, the retention of 11 neutral endocrine disruptors and PPCPs in distilled water by a polyamide RO membrane was correlated to the molecular weight of the individual compounds. 109 The retention mechanism in both cases was therefore attributed to size exclusion.…”

Section: B4 Ppcp Transformation During Ozonationmentioning

confidence: 99%

Pharmaceuticals and personal care products in effluent matrices: A survey of transformation and removal during wastewater treatment and implications for wastewater management

2010

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Section: B4 Ppcp Transformation During Ozonationmentioning

confidence: 99%

Pharmaceuticals and personal care products in effluent matrices: A survey of transformation and removal during wastewater treatment and implications for wastewater management

2010

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“…In general it increases with increase of compound MW [14,35,64] and retentions are usually higher than 90% [112,111,138,62,69] for compounds with MW higher than the MWCO of the membrane [14,136,70] (see Figure 4A). MW has been shown to be a good indicator of the retention trend obtained by NF and RO membranes compared to other molecular sizes, e.g.…”

Section: Size Exclusionmentioning

confidence: 96%

“…NOM can block the membrane pores or change the membrane surface properties enhancing contaminant removal by steric exclusion and charge repulsion [106,51,56,69,90,28,80,89,97].…”

Section: Membrane Fouling Increases Xenobiotics Retentionmentioning

confidence: 99%

Xenobiotics Removal by Membrane Technology: An Overview

Semiao

Schäfer

2009

Xenobiotics in the Urban Water Cycle

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Small molecular weight xenobiotics are compounds of extreme concern in potable water applications due to their adverse human health and environmental effects. However, conventional water treatment processes cannot fully and systematically remove them due to their low concentrations in natural waters and wastewaters. Biological limitation to degrade such compounds is another cause for inefficient removal.Physical barriers like membranes possessing pore sizes smaller than the compounds to be removed emerged as a good solution. Nanofiltration and reverse osmosis proved to be quite effective for xenobiotics removal in potable water production in the Paris purification plant of Méry-sur-Oise. However, even these very narrow pore membrane processes may result in incomplete removal: xenobiotics retention is high but factors such as adsorption, size exclusion and charge repulsion affect unpredictably their retention. The water solutions complexity to be treated renders xenobiotics removal predictions even more difficult due to interactions between xenobiotics and compounds in water.Removal of xenobiotics by microfiltration and ultrafiltration is very low because adsorption on the membrane is the main retention mechanism. Combining those with other processes (e.g. activated carbon) can considerably improve xenobiotics removal.The least studied processes in xenobiotics removal are electrodialysis, membrane distillation and pervaporation. Electrodialysis removal of organic xenobiotics shows a breakthrough through the membrane possibly due to adsorption followed by diffusion. Membrane distillation presents high removal rates of xenobiotics due to the compounds low vapour pressure. For volatile organic xenobiotics or solutions of trace amounts both membrane distillation and pervaporation can be used, xenobiotics interaction with the membrane being the key factor.In this book chapter a thorough synopsis of current knowledge on xenobiotics removal is presented and balanced with recent fundamental studies of underlying mechanisms, informing both the practitioner regarding membrane capabilities for xenobiotics removal and the researcher with the current state-of-art.

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“…In recent years, reverse osmosis desalination has been explored as a viable technology for desalination of brackish water for industrial and civil use [1][2][3][4][5][6]. However, membrane scaling (CaCO 3 , CaSO 4 , etc.)…”

Section: Introductionmentioning

confidence: 99%

Integration of accelerated precipitation softening with membrane distillation for high-recovery desalination of primary reverse osmosis concentrate

Wang

et al. 2009

Separation and Purification Technology

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Removal of antibiotics from a model wastewater by RO/NF membranes

Cited by 205 publications

References 16 publications

Pharmaceuticals and personal care products in effluent matrices: A survey of transformation and removal during wastewater treatment and implications for wastewater management

Pharmaceuticals and personal care products in effluent matrices: A survey of transformation and removal during wastewater treatment and implications for wastewater management

Xenobiotics Removal by Membrane Technology: An Overview

Integration of accelerated precipitation softening with membrane distillation for high-recovery desalination of primary reverse osmosis concentrate

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