نتایج جستجو برای: forward osmosis fo

تعداد نتایج: 137777  

Journal: :Water Research 2021

Aquaporin-based forward osmosis (AQP FO) membranes were applied both in laboratory- and pilot-scale for removing micropollutants from water. The effect of operating parameters (feed flow, draw transmembrane pressure) on the i) rejection micropollutants, ii) water flux, iii) reverse salt iv) recovery AQP FO membrane modules was studied. Among 21 spiked, only four compounds, atenolol, propranolol...

Journal: :Separation and Purification Technology 2021

We present the simultaneous synthesis of a hollow fiber membrane with selective layer created by means polyelectrolyte complexation (PEC), to be used as in forward osmosis. The aim this single-step approach was create defect-free robust and circumvent challenges associated coating via interfacial polymerization. nascent PEC characterized SEM imaging well determining streaming potential pure wat...

Journal: :Processes 2022

An integrated forward osmosis (FO)-membrane distillation (MD) process is promising for the treatment and resource recovery from municipal wastewater. As higher temperature applied in MD, it could affect performance of both FO MD units. This study aimed to investigate effects type draw solution (DS) feed (FS) such as ammonium or wastewater containing at temperatures on membrane performance. It f...

Journal: :Journal of Hazardous Materials 2021

This study systematically investigated the effect of organic micropollutants (OMPs) on biofouling in forward osmosis (FO) integrating wastewater treatment and seawater dilution. Synthetic (0.6 M sodium chloride) was used as a draw solution synthetic municipal feed solution. To evaluate impact OMPs replicate parallel study, supplemented with mixture 7 (OMPs-feed) without (control) during 8 batch...

2013
Nathan T. Hancock Pei Xu Molly J. Roby Juan D. Gomez Tzahi Y. Cath

In this study we evaluated the performance of forward osmosis (FO) at the pilot scale to achieve simultaneous seawater desalination and wastewater reclamation. The investigation was performed with a commercial spiral wound FO membrane element for approximately 1300 h of continuous operation, processing 900,000 L of wastewater effluent and producing 10,000 L of purified water through a hybrid FO...

Journal: :Water 2021

An osmotically driven membrane process was proposed for seawater pretreatment in a multi-stage flashing (MSF) thermal plant. Brine reject from the MSF plant draw solution (DS) forward osmosis (FO) order to reduce chemical use. The purpose of FO is removal divalent ions prior desalination. In this study, at 80 g/L and 45 concentrations were used as brine seawater, respectively. temperature 40 °C...

2016
Niada Bajraktari Henrik T. Madsen Mathias F. Gruber Sigurd Truelsen Elzbieta L. Jensen Henrik Jensen Claus Hélix-Nielsen

Forward osmosis (FO) membranes have gained interest in several disciplines for the rejection and concentration of various molecules. One application area for FO membranes that is becoming increasingly popular is the use of the membranes to concentrate or dilute high value compound solutions such as pharmaceuticals. It is crucial in such settings to control the transport over the membrane to avo...

2017
Jin Wang Nirenkumar Pathak Laura Chekli Sherub Phuntsho Youngjin Kim Dengxin Li Kyong Shon

In this paper, three different fertilizer draw solutions were tested in a novel forward osmosis-microfiltration aerobic membrane bioreactor (MF-FDFO-MBR) hybrid system and their performance were evaluated in terms of water flux and reverse salt diffusion. Results were also compared with a standard solution. Results showed that ammonium sulfate is the most suitable fertilizer for this hybrid sys...

Journal: :Journal of Environmental Management 2021

Desalination and wastewater treatment technologies require an effective solution for brine management to ensure environmental sustainability, which is closely linked with efficient process operations, reduction of chemical dosages, valorization brines. Within the scope desalination reclamation, a circular system consisting seawater reverse osmosis (SWRO), membrane distillation (MD), forward (FO...

Journal: :Journal of Membrane Science 2022

Polyethylene (PE) has recently gained attention as an advantageous support material in forward osmosis (FO) owing to its low structural parameters. A novel thin-film composite (TFC) membrane for FO was fabricated by introducing a tannic acid (TA)-Fe3+ interlayer on polydopamine (PDA)-modified PE via interfacial polymerization. The TA-Fe3+ influenced the diffusion of m-phenylenediamine, causing ...

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