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Xiao-Mao Wang, Xiao-Yan Li
Pág. 855 - 862
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Olga Kulesha and Harsha Ratnaweera
The membrane bioreactor (MBR) and the biofilm membrane bioreactor (BF-MBR) are among key solutions to water scarcity; however, membrane fouling is the major bottleneck for any expansion of these technologies. Prepolymerized aluminum coagulants tend to ex...
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Mingxiang Liu, Lei Zhang, Le Han, Ying Zhang, Chengjun Gu and Jianbo Huang
Perfluorohexanesulfonic acid (PFHxS) is considered a persistent and harmful substance to ecosystems and human health and should thus be necessarily removed. In this paper, the influence of working pressure, temperature, pH value, initial concentration, a...
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Loukas Lintzos, Kostas Chatzikonstantinou, Nikolaos Tzamtzis and Simos Malamis
In this work, different backwash (BW) schemes were applied on identical hollow fiber (HF) membranes in a membrane bioreactor (MBR) treating municipal wastewater. The effect of BW duration (1 min, 3 min and 8 min) and water temperature (8 °C, 18 °C, 28 °C...
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Loukas Lintzos, Kostas Chatzikonstantinou, Nikolaos Tzamtzis and Simos Malamis
In this work, different backwash (BW) schemes were applied on identical hollow fiber (HF) membranes in a membrane bioreactor (MBR) treating municipal wastewater. The effect of BW duration (1 min, 3 min and 8 min) and water temperature (8 °C, 18 °C, 28 °C...
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Oktay Özkan and Ibrahim Uyanik
Organized industrial zone (OIZ) wastewater is a mixed wastewater that is contributed by both municipal use and from different industrial sectors. Since MBR has advantages over conventional treatment plants, membrane types and fouling become the most impo...
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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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Martin Schulz, Sönke Bünting, Mathias Ernst
Pág. 1 - 16
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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Oktay Özkan, Ibrahim Uyanik
Pág. 1 - 8
Organized industrial zone (OIZ) wastewater is a mixed wastewater that is contributed by both municipal use and from different industrial sectors. Since MBR has advantages over conventional treatment plants, membrane types and fouling become the most impo...
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Sungil Jeon, Saeid Rajabzadeh, Ryo Okamura, Toru Ishigami, Susumu Hasegawa, Noriaki Kato, Hideto Matsuyama
Pág. 1 - 11
We aimed to investigate the relationship between membrane material and the development of membrane fouling in a membrane bioreactor (MBR) using membranes with different pore sizes and hydrophilicities. Batch filtration tests were performed using submerge...
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Mark Larracas Sibag, Soo Mi Lee, Hee Jun Kim, Jinwoo Cho
Pág. 1 - 14
In conventional activated sludge (CAS) involving aerobic biological processes, the retention of silica nanoparticles (SiO2 NPs) has no detrimental effect on chemical oxygen demand (COD) and ammonia nitrogen (NH3?N) removal. However, for the membrane bior...
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Mark Larracas Sibag, Soo Mi Lee, Hee Jun Kim and Jinwoo Cho
In conventional activated sludge (CAS) involving aerobic biological processes, the retention of silica nanoparticles (SiO2 NPs) has no detrimental effect on chemical oxygen demand (COD) and ammonia nitrogen (NH3?N) removal. However, for the membrane bior...
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Sungil Jeon, Saeid Rajabzadeh, Ryo Okamura, Toru Ishigami, Susumu Hasegawa, Noriaki Kato and Hideto Matsuyama
We aimed to investigate the relationship between membrane material and the development of membrane fouling in a membrane bioreactor (MBR) using membranes with different pore sizes and hydrophilicities. Batch filtration tests were performed using submerge...
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Qi Qiu, Mingchang Gao, Changtao Shao, Shaofang Sun, Yusen Liu and Huawei Zhang
Membrane fouling is a key factor limiting the application of a membrane bioreactor (MBR), and membrane-surface modification holds the potential to control membrane fouling and solves this problem. In the research, novel nanocomposite membranes were desig...
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Susumu Hasegawa, Takuya Iwamoto, Taro Miyoshi, Sosuke Onoda, Kazushi Morita, Ryosuke Takagi and Hideto Matsuyama
Membrane fouling is a serious problem in drinking water treatment systems. Biological contact filters (BCFs) are often used as a pretreatment to remove ammonia, dissolved organic matter (DOM), and metal ions such as iron and manganese. In this study, the...
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Jiaqi Ding, Ying Wan, Yujia Zou, Songlin Wang, Xiaolong Huang and Pengchao Xie
Sodium hypochlorite (NaClO) solution is wildly used to remove membrane fouling-derived organic materials and restore membrane flux, which can result in the formation of halogenated by-products. To reduce the halogenated by-products, a combined cleaning p...
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Muhammad Ibrahim, Muhammad Haq Nawaz, Prangya Ranjan Rout, Jun-Wei Lim, Bandita Mainali and Muhammad Kashif Shahid
This comprehensive review focuses on treatment technologies for produced water, with a particular emphasis on membrane-based systems. These systems offer significant advantages, including high contaminant removal efficiencies, compact design, and the pot...
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Biagio Bianchi, Bruno Molino, Filippo Catalano, Ferruccio Giametta, Antonio Jacopo Molino and Luigi Ambrosone
Nanofiltration and reverse osmosis are used in the concentration of grape musts in winemaking. Both technologies offer an effective way to concentrate the grape musts, reducing the volume and the solids content to achieve desired characteristics in the f...
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Lourdes Gelde, Ana Laura Cuevas and Juana Benavente
The influence of geometrical parameters (pore radii and porosity) on ion transport through two almost ideal nanoporous alumina membranes (NPAMs) coated with a thin TiO2 layer by the atomic layer deposition technique (Sf-NPAM/TiO2 and Ox-NPAM/TiO2 samples...
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Peng Du, Xing Li, Yanling Yang, Zhiwei Zhou, Xiaoyan Fan and Jianyong Feng
Gravity-driven membrane (GDM) ultrafiltration is a promising water treatment method due to its low energy consumption and low maintenance. However, the low stable permeability in algae-laden water treatment is currently limiting its wider application. Wi...
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