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Mudhar A. Al-Obaidi, Farhan Lafta Rashid, Arman Ameen, Mohammed Kadhom and Iqbal M. Mujtaba
Due to its high pollutant rejection and low energy usage, the spiral wound module of reverse osmosis (RO) process is the most commonly used technology utilised in wastewater treatment. For a spiral wound module, the presence of a feed spacer is important...
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Sourour Mzahma, Joelle Duplay, Dalila Souguir, Raja Ben Amar, Malika Ghazi and Mohamed Hachicha
Several processes have been developed to treat the textile effluents. Membrane technologies are among the most reliable processes for purifying these effluents. However, due to high costs, only reduced quantities are being treated. The recycling practice...
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Francesca Russo, Claudia Ursino, Burcu Sayinli, Ismail Koyuncu, Francesco Galiano and Alberto Figoli
In this work, Rhodiasolv® PolarClean was employed as a more sustainable solvent for the preparation of poly(vinylidene fluoride-hexafluoropropylene) (PVDF-HFP) flat sheet membranes via phase inversion technique by coupling vapour induced phase separation...
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Fotios K. Katrivesis, Varvara Sygouni, Christakis A. Paraskeva and Vagelis G. Papadakis
Surface-water treatment plants use the flocculation?precipitation method followed by gravity filters to remove suspended solids. In the present work, the replacement of gravity filters with ultrafiltration membrane units is suggested to improve the effic...
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Nita Aryanti, Tutuk Djoko Kusworo, Wiharyanto Oktiawan, Dyah Hesti Wardhani
Pág. 438 - 447
Oil exploration waste, also called produced water, contains hazardous pollutants, such as benzene; benzene, toluene, and xylene (BTX); naphthalene, phenanthrene, and dibenzothiophene (NDP); polyaromatic hydrocarbons (PAHs); and phenol. Produced water is ...
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Nurul Hannan Mohd Safari, Abdul Rahman Hassan, Che Wan Insyirah Che Wan Takwa, Sabariah Rozali
Pág. 27 - 35
In membrane making, surfactant material is one of the effective strategies to produce membrane / thin film with optimal and specific properties. This paper addressed the effect of Sodium dodecyl sulphate (SDS), Triton X-100 and Tween 80 as additives for ...
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Liat Birnhack, Samuel C. N. Tang and Ori Lahav
The paper describes results from operating a new 3-step membrane-based process targeted at separating Mg2+ from seawater in an inexpensive way, with the purpose of using it to enrich desalinated water with magnesium, with as little as possible Cl- and Na...
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Sung Soo Yoo
This study examined the optimum coagulation conditions for reducing irreversible fouling during the in-line coagulation/ultrafiltration (UF) membrane process and assessed the decrease in operating cost. The coagulation conditions that generated charge-ne...
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Carmela Conidi, Francesca Macedonio, Pietro Argurio, Alfredo Cassano and Enrico Drioli
Reverse osmosis (RO) was studied to reduce salinity of flue gas desulfurization (FGD) wastewaters after softening with Na2CO3·H2O and ultrafiltration (UF). Two commercial thin film composite polyamide RO membranes (SWC-25...
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Martin Schulz, Sönke Bünting and Mathias Ernst
The impact of structural properties of three commercial PACs as well as two mechanically ground PACs on their efficiency in NOM removal and fouling reduction in combined adsorption-ultrafiltration (PAC-UF) of northern German groundwater was investigated....
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