A review on organic–inorganic hybrid nanocomposite membranes: a versatile tool to overcome the barriers of forward osmosis

Sun, Wanying; Shi, Jie; Chen, Cheng; Li, Nan; Xu, Zhiwei; Li, Jing; Lv, Hanming; Qian, Xiaoming; Zhao, Lihuan

doi:10.1039/c7ra12835e

Cited by 65 publications

(29 citation statements)

References 186 publications

(207 reference statements)

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“…TiO 2 nanoparticles, carbon nanotubes (CNTs), zeolite nanoparticles and graphene oxide (GO) nanosheets have been tried for FO membranes, with promising results [166][167][168][169][170]. Blending in nanoparticles improves water flux, rejection, hydrophilicity, mechanical stability and antifouling behavior [171,172].…”

Section: Other Preparation Methodsmentioning

confidence: 99%

Forward Osmosis: A Critical Review

et al. 2020

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The use of forward osmosis (FO) for water purification purposes has gained extensive attention in recent years. In this review, we first discuss the advantages, challenges and various applications of FO, as well as the challenges in selecting the proper draw solution for FO, after which we focus on transport limitations in FO processes. Despite recent advances in membrane development for FO, there is still room for improvement of its selective layer and support. For many applications spiral wound membrane will not suffice. Furthermore, a defect-free selective layer is a prerequisite for FO membranes to ensure low solute passage, while a support with low internal concentration polarization is necessary for a high water flux. Due to challenges affiliated to interfacial polymerization (IP) on non-planar geometries, we discuss alternative approaches to IP to form the selective layer. We also explain that, when provided with a defect-free selective layer with good rejection, the membrane support has a dominant influence on the performance of an FO membrane, which can be estimated by the structural parameter (S). We emphasize the necessity of finding a new method to determine S, but also that predominantly the thickness of the support is the major parameter that needs to be optimized.

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Section: Other Preparation Methodsmentioning

confidence: 99%

Forward Osmosis: A Critical Review

et al. 2020

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“…Recently, polymeric nanocomposite membranes have been widely used in various applications, such as gas separation, water purification, desalination, fuel cells, etc. [10,32,34,40,55,56]. Most of the currently used membranes are polymeric, and their production is highly developed [57], but they are usually not suitable for critical technologies, in particular for very high temperature applications [58].…”

Section: Polymer Nanocomposites For Membranes Applicationsmentioning

confidence: 99%

“…Since the issue of the transport properties optimization of nanocomposite polymer membranes remains relevant to this day, there have been attempts to make some generalizations known; review papers [1,5,13,[24][25][26][27][28][29]. These studies raises general questions [1,30], but in most cases the analytical generalizations were made for solving specific problems of a separation [31][32][33][34][35][36] or other tasks including fuel cells or catalytic membrane reactors applications [37][38][39][40][41][42][43]. In general, it is necessary to highlight review articles in which information is collected on the introduction of a certain type of nanoparticles in polymer films of different morphologies, for example membranes-containing 0D to 2D nano-fillers [37,44,45].…”

Section: Introductionmentioning

confidence: 99%

“…It was interesting to review the search for ways of forming an optimized membrane due to filling with nanoparticles of polymers of a certain class, for example, polyimides or polysulfones [26,27,47,[51][52][53]. Separately, we would like to mention review works aimed at developing techniques for the target formation of membranes of certain structural and morphological characteristics, notably, taking into account the existing ideas about the mechanism of selective transport of penetrants [15,29,34,36,39,47,51,54].…”

Section: Introductionmentioning

confidence: 99%

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Polymer Nanocomposite Membranes

et al. 2018

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Based on the results of research works reflected in the scientific literature, the main examples, methods and approaches to the development of polymer inorganic nanocomposite materials for target membranes are considered. The focus is on membranes for critical technologies with improved mechanical, thermal properties that have the necessary capabilities to solve the problems of a selective pervaporation. For the purpose of directional changes in the parameters of membranes, effects on their properties of the type, amount and conditions of nanoparticle incorporation into the polymer matrix were analyzed. An influence of nanoparticles on the structural and morphological characteristics of the nanocomposite film is considered, as well as possibilities of forming transport channels for separated liquids are analyzed. Particular attention is paid to a correlation of nanocomposite structure-transport properties of membranes, whose separation characteristics are usually considered within the framework of the diffusion-sorption mechanism.

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“…For these reasons, signicant efforts have been made over the past years to improve the fouling resistance of TFC FO membranes by tailoring the membrane surface, such as graing hydrophilic polymers [18][19][20] and adding nanomaterials [21][22][23] to the active layer during the synthesis. Tiraferri et al 24 reported that the TFC membrane functionalized with the positively charged silica nanoparticles possessed a better fouling-resistant property than the original material regardless of the type of organic foulants.…”

Section: Introductionmentioning

confidence: 99%