The relation between the RO fouling membrane and the feed water quality and the pretreatment in Djerba Island plant

Farhat, Soumaya; Fethi, Kamel; Jedoui, Younes; Kallel, Monem

doi:10.1016/j.desal.2011.11.058

Cited by 16 publications

(2 citation statements)

References 24 publications

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“…Organic fouling represents the deposition of polysaccharides, fulvic compounds (fulvic acid and humic acid), and proteins [47]. Inorganic fouling represents the deposition of supersaturated inorganic compounds, such as calcium carbonate, magnesium carbonate, magnesium sulfate, and silica [47,50].…”

Section: Introductionmentioning

confidence: 99%

How RO membrane permeability and other performance factors affect process cost and energy use: A review

2019

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Reverse osmosis (RO) technology has progressed steadily over the last few decades. Those gains were achieved through improvements in both RO membrane element performance and energy recovery technologies. However, some recent literature indicates that RO membrane water permeability is approaching performance limits imposed by transport processes and thermodynamic constraints. This paper reviews how RO membrane element performance affects the cost of RO processes, especially the specific energy consumption. RO membrane performance encompasses water permeability, salt permeability, and other some characteristics of the RO element. This paper considers not only conventional RO processes, but also the recently proposed closed-circuit RO and batch RO processes. Even if the membrane water permeability increases, little additional effect is found when the membrane water permeability exceeds around 3 LMH/bar for seawater RO and 8 LMH/bar for brackish water RO in conventional single-stage RO. Increasing membrane water permeability has the potential to decrease membrane surface area and associated costs. A major limitation of most existing literature is that performance is evaluation on in terms of the initial operating conditions. Chronological changes, such as result from fouling, must also be considered to accurately validate how membrane element performance affects RO cost.

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Section: Introductionmentioning

confidence: 99%

How RO membrane permeability and other performance factors affect process cost and energy use: A review

2019

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“…This makes changes due to variations in water quality uneconomical in operational RO plants (Nicolaisen, 2002). Additionally, water recovery in RO is governed by the scale formation potential of brackish water, which is rich in scaling elements including calcium carbonate, calcium sulfate, magnesium sulfate, strontium sulfate, silicates, and aluminosilicates (Amiri and Samiei 2007;Antony et al 2011;Farhat et al 2012;Ghafour 2003;Tzotzi et al 2007). Scaling reduces productivity and the water recovery ratio, which are necessary to maximize water production due to restrictions on brine reinjection in Oman (Ahmed et al 2001;Mohamed et al 2005).…”

Section: Introductionmentioning

confidence: 99%

Efficient Desalination of Brackish Ground Water via a Novel Capacitive Deionization Cell Using Nanoporous Activated Carbon Cloth Electrodes

et al. 2015

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Sea water intrusion in ground water sources has made brackish water desalination a necessity in Oman. The application of capacitive deionization (CDI) for the deionization of ground water samples from wells in Al-Musanaah Wilayat is proposed and demonstrated. A CDI cell is fabricated using nanoporous activated carbon cloth (ACC) as the electrodes and is shown to be power efficient for desalting ground water samples with total dissolved solids (TDS) of up to 4,000 mg/l. The CDI cell was able to remove up to 73% of the ionic scaling and fouling contaminants from brackish water samples. The power consumption for deionization of brackish water was estimated to be 1 kWh/m3 of desalinated water, which is much lower than the power required to process water with equivalent TDS by the reverse osmosis processes. The CDI process is elaborated, and observations and analysis of the ion adsorption characteristics and electrical properties of the capacitive cell are elucidated.

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Digested wastewater sludge dewatering process using water treatment plants chemical sludge and walnut shell activated carbon powder

Kazemi

Gholikandi

2023

J Mater Cycles Waste Manag

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The relation between the RO fouling membrane and the feed water quality and the pretreatment in Djerba Island plant

Cited by 16 publications

References 24 publications

How RO membrane permeability and other performance factors affect process cost and energy use: A review

How RO membrane permeability and other performance factors affect process cost and energy use: A review

Efficient Desalination of Brackish Ground Water via a Novel Capacitive Deionization Cell Using Nanoporous Activated Carbon Cloth Electrodes

Digested wastewater sludge dewatering process using water treatment plants chemical sludge and walnut shell activated carbon powder

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