Low fouling and improved chlorine resistant thin film composite reverse osmosis membranes by cerium(IV)/polyvinyl alcohol mediated surface modification

Rana, Harpalsinh H.; Saha, Nirmal; Jewrajka, Suresh K.; Reddy, A.V.R.

doi:10.1016/j.desal.2014.11.013

Cited by 51 publications

(33 citation statements)

References 31 publications

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“…As discussed before, exposure to free chlorine could cause RO membrane degradation and consequently shorten the membrane lifetime (Surawanvijit et al, 2016). A lot of work has been down on developing novel RO membranes with chlorine-tolerant property Kwon et al, 2012;Liu et al, 2014Liu et al, , 2015Rana et al, 2015;Saqib and Aljundi, 2016). It is another scenario and will not be discussed thoroughly in this review.…”

Section: Pretreatment Technologiesmentioning

confidence: 99%

A review of reverse osmosis membrane fouling and control strategies

Jiang

Li²

2017

Science of The Total Environment

710

362

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Reverse osmosis (RO) membrane technology is one of the most important technologies for water treatment. However, membrane fouling is an inevitable issue. Membrane fouling leads to higher operating pressure, flux decline, frequent chemical cleaning and shorter membrane life. This paper reviews membrane fouling types and fouling control strategies, with a focus on the latest developments. The fundamentals of fouling are discussed in detail, including biofouling, organic fouling, inorganic fouling and colloidal fouling. Furthermore, fouling mitigation technologies are also discussed comprehensively. Pretreatment is widely used in practice to reduce the burden for the following RO operation while real time monitoring of RO has the advantage and potential of providing support for effective and efficient cleaning. Surface modification could slow down membrane fouling by changing surface properties such as surface smoothness and hydrophilicity, while novel membrane materials and synthesis processes build a promising future for the next generation of RO membranes with big advancements in fouling resistance. Especially in this review paper, statistical analysis is conducted where appropriate to reveal the research interests in RO fouling and control.Graphic Abstract

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Section: Pretreatment Technologiesmentioning

confidence: 99%

A review of reverse osmosis membrane fouling and control strategies

Jiang

Li²

2017

Science of The Total Environment

710

362

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“…The OCNT‐S electrode was first dipped into an aqueous solution of MPD (2 wt %) in deionized water for 20 s. The excess solution was removed by squeezing the electrode with a rubber roller. The OCNT‐S electrode was then immersed in a solution of TMC in hexane (0.1 wt %) for 40 s . The membrane was dried in air for 10 min and then rinsed with acetone a few times to remove unreacted component.…”

Section: Methodsmentioning

confidence: 99%

“…Interfacial polymerization (IP), which usually occurs at the interface of two immiscible solvents, is a facile and scalable technique to fabricate large‐area, defect‐free, and thin polymeric films . Moreover, this technique can be used to directly synthesize polymeric films over a porous or nanometer‐sized support, as demonstrated in reverse osmosis and nanofiltration separation processes .…”

Section: Introductionmentioning

confidence: 99%

Interfacially Polymerized Polyamide Interlayer onto Ozonated Carbon Nanotube Networks for Improved Stability of Sulfur Cathodes

et al. 2019

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Figure 2. (a) C1s, (b) N1s, (c) S2p, and (d) O1sX PS spectrao ft he PA@OCNT-S electrode before cycling.Carbon nanotubes (CNTs), elemental sulfur (S), metallic lithium foil, MPD, and TMC were purchased from Sigma-Aldrich (USA). Hexane Figure 4. High-resolution Li 1s XPS spectraofac ycled (a) PA@OCNT-S electrode and (b) OCNT-S electrode;(c) photograph of aL i-S cell containinga PA@OCNT-S electrode (left) and an OCNT-Se lectrode(right) after 7h for the visualization test;(d) UV/Vis spectraofaL i 2 S 6 solutionb efore and after treatment with PA for 12 h(theinsets hows photographs of Li 2 S 6 solution before and after treatment with the PA).

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“…Furthermore, it can be seen obviously from SEM and AFM images (Figs. 5 and 6) that the surface of RO membranes had typical ridge-valley structure [8].…”

Section: Membranes Surface Morphologymentioning

confidence: 99%

Improvement of performance of polyamide reverse osmosis membranes using dielectric barrier discharge plasma treatment as a novel surface modification method

Jahangiri

Asadollahi

Mousavi

et al. 2018

Polymer Engineering & Sci

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In this research, surface modification of aromatic polyamide thin film composite (TFC) reverse osmosis (RO) membranes was carried out using dielectric barrier discharge (DBD) plasma treatment to improve the performance and fouling resistance of prepared RO membranes. First, polyamide TFC RO membranes were synthesized via interfacial polymerization of m‐phenylenediamine and trimesoyl chloride monomers over microporous polysulfone support membrane. Next, the DBD plasma treatment with 15 s, 30 s, 60 s, and 90 s duration was used for surface modification. The surface properties of RO membranes were characterized by attenuated total reflectance Fourier transform infrared spectroscopy (ATR‐FTIR), SEM, AFM, and contact angle measurements. The ATR‐FTIR results indicated that DBD plasma treatment caused hydrogen bonding on the surface of RO membranes. Also, the contact angle measurement showed that the hydrophilicity of the membranes was increased due to DBD plasma treatment. The changes in the membranes surface morphology indicated that the surface roughness of the membranes was increased after surface modification. In addition, it was found that the DBD plasma treatment increased the water permeation flux significantly and enhanced sodium chloride (NaCl) salt rejection slightly. Moreover, the filtration of bovine serum albumin revealed that the antifouling properties of the modified membranes had been improved. POLYM. ENG. SCI., 59:E468–E475, 2019. © 2018 Society of Plastics Engineers

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Low fouling and improved chlorine resistant thin film composite reverse osmosis membranes by cerium(IV)/polyvinyl alcohol mediated surface modification

Cited by 51 publications

References 31 publications

A review of reverse osmosis membrane fouling and control strategies

A review of reverse osmosis membrane fouling and control strategies

Interfacially Polymerized Polyamide Interlayer onto Ozonated Carbon Nanotube Networks for Improved Stability of Sulfur Cathodes

Improvement of performance of polyamide reverse osmosis membranes using dielectric barrier discharge plasma treatment as a novel surface modification method

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