Journal ArticleDOI
Granular iron oxide adsorbents to control natural organic matter and membrane fouling in ultrafiltration water treatment
Xiaojun Cui,Kwang-Ho Choo +1 more
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TLDR
This study focused on the fabrication and use of granular iron oxide adsorbents, in combination with ultrafiltration (UF) membranes while investigating the NOM removal efficiency and fouling control.About:
This article is published in Water Research.The article was published on 2013-09-01. It has received 41 citations till now. The article focuses on the topics: Iron oxide & Membrane fouling.read more
Citations
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Activated carbons impregnated with iron oxide nanoparticles for enhanced removal of bisphenol A and natural organic matter
TL;DR: Iron oxide impregnation enabled the BPA uptake to be maintained in the presence of NOM, indicating that the hybrid adsorbent provided synergistic adsorption characteristics for BPA and NOM.
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Phase transformation of crystalline iron oxides and their adsorption abilities for Pb and Cd
Chang Zhang,Zhigang Yu,Guangming Zeng,Binbin Huang,Haoran Dong,Jinhui Huang,Zhongzhu Yang,Jingjing Wei,Liang Hu,Qi Zhang +9 more
TL;DR: In this paper, the authors developed a new perspective whether crystalline structures influence the adsorption of heavy metals on magnetic iron oxides synthesized by applying surfactant sodium dodecyl sulfate (SDS)-templated strategy.
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Hydraulic backwashing for low-pressure membranes in drinking water treatment: A review
Haiqing Chang,Heng Liang,Fangshu Qu,Baicang Liu,Huarong Yu,Xing Du,Guibai Li,Shane A. Snyder +7 more
TL;DR: In this paper, the backwash parameters of UF/MF membranes used in municipal water supplies are reviewed to provide more comprehensive data, which can improve backwash performance in full-scale drinking water and water reuse treatment plants.
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Organic fouling behavior of superhydrophilic polyvinylidene fluoride (PVDF) ultrafiltration membranes functionalized with surface-tailored nanoparticles: Implications for organic fouling in membrane bioreactors
Shuai Liang,Genggeng Qi,Kang Xiao,Jianyu Sun,Emmanuel P. Giannelis,Xia Huang,Menachem Elimelech +6 more
TL;DR: In this article, a superhydrophilic polyvinylidene fluoride (PVDF) ultrafiltration membrane functionalized via post-fabrication tethering of surface-tailored silica nanoparticles to poly(methacrylic acid)-grafted PVDF membrane surface was investigated.
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Strategies for the management and treatment of coal seam gas associated water
TL;DR: In this paper, the authors analyse the options involved in both the water treatment and salt recovery processes in coal seam gas (CSG) in Queensland and highlight reinjection, brine concentration ponds, membrane techniques (membrane distillation, forward osmosis), thermal methods, electrodialysis, electRodialysis reversal, bipolar membrane electrodialsysis, wind assisted intensive evaporation, membrane crystallization, eutectic freeze crystallization and vapor compression.
References
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Journal ArticleDOI
Adsorption and desorption of natural organic matter on iron oxide: mechanisms and models.
TL;DR: Results indicated that ligand exchange between carboxyl/hydroxyl functional groups of NOM and iron oxide surfaces was the dominant interaction mechanism, especially under acidic or slightly acidic pH conditions.
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Identification and understanding of fouling in low-pressure membrane (MF/UF) filtration by natural organic matter (NOM).
TL;DR: F Fouling by NOM was investigated by employing several innovative chemical and morphological analyses that support the notion that membrane roughness may be considered as a more important factor in membrane fouling by controlling interaction between molecules and the membrane surface, compared to the hydrophobic/hydrophilic character of membranes.
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Pretreatment for Low Pressure Membranes in Water Treatment: A Review
TL;DR: A critical review of the state-of-the-art of pretreatment for LPMs is provided, and potential areas for future technical development and scientific studies are discussed.
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Fouling of Microfiltration and Ultrafiltration Membranes by Natural Waters
Kerry J. Howe,Mark M. Clark +1 more
TL;DR: Although other studies have identified DOM as a major foulant during filtration of natural waters, this work shows that a small fraction of DOM may be responsible for fouling, and adsorption was demonstrated to be an important mechanism for fouled by colloids.
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A critical review of dispersion in packed beds
TL;DR: In this paper, the authors summarized and reviewed a great deal of information from the literature on dispersion in packed beds, and provided empirical correlations for the prediction of the dispersion coefficients (D T and D L) over the entire range of practical values of Sc and Pem.