Recyclable, Fire-Resistant, Superhydrophobic, and Magnetic Paper Based on Ultralong Hydroxyapatite Nanowires for Continuous Oil/Water Separation and Oil Collection

Yang, Ri‐Long; Zhu, Ying‐Jie; Chen, Feifei; Qin, Dongdong; Xiong, Zhi‐Chao

doi:10.1021/acssuschemeng.8b01463

Cited by 72 publications

(45 citation statements)

References 55 publications

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“…[39] A superhydrophobic magnetic fire-resistant paper was prepared using Fe 3 O 4 nanoparticlesloaded ultralong HAP NWs-based paper coated with a poly(dimethylsiloxane) layer, and it was investigated for the application in the continuous oil/water separation and oil collection. [106] The superhydrophobic magnetic fire-resistant paper showed a high-separation selectivity (>99.0%), high-permeation flux (2924.3 L m À2 h À1 ), and good recycling performance. In addition, a mini-boat made from the superhydrophobic magnetic fire-resistant paper as an oil-collecting device was prepared for highly efficient continuous oil/ water separation and oil collection, which could be magnetically driven to the oil-polluted region for selective collection, convenient transportation, and recovery of oil from water with a high-separation efficiency (>99.2%) and good reusability.…”

Section: Water Purificationmentioning

confidence: 94%

Nanowires: Synthesis and Energy/Environmental Applications

Zhu

2021

Energy & Environ Materials

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Due to various worldwide energy and environmental issues, such as global warming, energy consumption, and pollution, the sustainable development of human society is facing great challenges. Although tremendous efforts have been made to solve these problems, for example, searching for clean energy resources (solar energy, wind, and nuclear energy, etc.), developing efficient energy storage devices (batteries and supercapacitors), exploring new technologies for air/water purification, and replacing products produced by consuming huge natural resources and causing severe pollutions with environmentally friendly ones, more intensive investigations on developing new highperformance materials are in urgent need in the energy and environment-related fields. [1][2][3] As the most stable crystalline phase of calcium phosphates, hydroxyapatite (Ca 10 (PO 4 ) 6 (OH) 2 , HAP) is the main inorganic component of human bones and teeth. [4] Benefiting from excellent biocompatibility/bioactivity and good biodegradability, HAP biomaterials have been intensively investigated and widely used in the biomedical field, such as drug delivery, protein adsorption, bone regeneration, and bio-imaging. [5][6][7][8][9][10][11][12] There have been some review articles summarizing the biomedical applications of HAP-based biomaterials. [12][13][14][15][16][17][18] However, the studies on energy and environmental applications of HAP nanostructured materials have been seldom reported in the literature. [19][20][21] Recently, one great progress was made by the authors' research group. We developed the calcium oleate precursor solvothermal method for the synthesis of ultralong HAP nanowires (HAP NWs) and invented a new kind of fire-resistant inorganic paper using ultralong HAP nanowires as the building material for the first time. [22][23][24] Different from the traditional cellulose fiber paper which is highly flammable and not resistant to high temperatures, this new kind of fire-resistant inorganic paper exhibits high-biocompatibility, high-flexibility, high-whiteness, excellent resistance to both high temperatures and fire, and can be used for writing and printing. The fire-resistant inorganic paper has various promising applications in a variety of fields such as specialty paper, biomedical, environmental and energy areas. Moreover, the HAP NWs have abundant hydroxyl functional groups on the surface that can be functionalized and modified for different purposes. Owing to these unique properties, HAP NWs have attracted considerable attention for applications in various fields such as biomedical, energy and environment, and many exciting results were reported since then. [25][26][27][28][29][30][31][32][33][34][35][36][37][38][39] Considering the increasing research interest and growing number of publications, it is desirable to provide a timely and systematic overview of recent advances in the studies on HAP NWs and their energy and environmental applications.In this review, we first provide a brief introduction to the synthesis of HAP NWs (Figu...

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Section: Water Purificationmentioning

confidence: 94%

Nanowires: Synthesis and Energy/Environmental Applications

Zhu

2021

Energy & Environ Materials

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“…The modified membranes could be used for continuous high-pressure oil/water separation while maintaining an extremely low water content of the filtrate (100.7 ppm at 500 mL), and were successful in separating oil/water mixtures with wide-ranging oil/water ratios. The coated surface exhibits an excellent chemical resistance compared to the wettability-modification literatures 41,42 , and does not exhibit any deterioration of wettability even in chemically severe environments, such as strongly acidic, alkaline, or saline conditions. The superhydrophobic nanostructured membranes capable of separating oil/water mixtures in these harsh environments have considerable potential for a wide range of novel applications.…”

Section: Robust and Continuous Oil/water Separation With Superhydrophmentioning

confidence: 97%

Robust and continuous oil/water separation with superhydrophobic glass microfiber membrane by vertical polymerization under harsh conditions

Woo

Park

et al. 2020

Sci Rep

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We report a robust and continuous oil/water separation with nanostructured glass microfiber (GMF) membranes modified by oxygen plasma treatment and self-assembled monolayer coating with vertical polymerization. The modified GMF membrane had a nanostructured surface and showed excellent superhydrophobicity. With an appropriate membrane thickness, a high water intrusion pressure (< 62.7 kPa) was achieved for continuous pressure-driven separation of oil/water mixtures with high flux (< 4418 L h−1 m−2) and high oil purity (> 99%). Under simulated industrial conditions, the modified GMF membrane exhibited robust chemical stability against strong acidic/alkaline solutions and corrosive environments. The proposed superhydrophobic composite coating technique is simple, low cost, environmentally friendly, and suitable for the mass production of scalable three-dimensional surfaces. Moreover, its stability and customizable functionality offers considerable potential for a wide range of novel applications.

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“…A highly flexible waterproof magnetic fire‐resistant paper was prepared using ultralong HAP nanowires, magnetic Fe 3 O 4 nanoparticles and poly(dimethylsiloxane) coating (Figure 7). [ 37 ] The waterproof magnetic fire‐resistant paper showed multi‐functions such as excellent superhydrophobicity, high thermal stability, good magnetic property, and excellent resistance to both high‐temperatures and fire. The waterproof magnetic fire‐resistant paper…”

Section: Functionalization Of the Fire‐resistant Papermentioning

confidence: 99%

Section: Functionalization Of the Fire‐resistant Papermentioning

confidence: 99%

Multifunctional Fire‐Resistant Paper Based on Ultralong Hydroxyapatite Nanowires†

Zhu

2021

Chin. J. Chem.

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Nanowires | Hydroxyapatite | Fire-resistant paper | Nanostructures | Green chemistry Paper was one of the greatest inventions in ancient China, and it greatly promoted the rapid development of human civilization. Even in today's electronic information age, paper and paper-derived products are still indispensable to people's daily work and life. However, the traditional paper based on cellulose fibers from plants has some problems. For instance: (1) papermaking consumes a large amount of precious natural resources such as trees; (2) the papermaking industry causes environmental pollution; (3) the traditional paper consisting of organic cellulose fibers is highly flammable and easy to burn; (4) the traditional paper based on cellulose fibers turns to yellow color with time; (5) the lifetime of the traditional paper is relatively short because of the degradation of cellulose fibers. More efforts are needed to investigate and solve these problems facing the traditional paper. In recent years, a new kind of multifunctional fire-resistant paper based on ultralong hydroxyapatite nanowires has been developed and investigated for various applications, and many research findings have been documented in the literature. This review article provides a comprehensive summary and discussion on recent research advances for this new kind of multifunctional fire-resistant paper based on ultralong hydroxyapatite nanowires, including the synthesis, properties, applications, and future perspectives.

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Recyclable, Fire-Resistant, Superhydrophobic, and Magnetic Paper Based on Ultralong Hydroxyapatite Nanowires for Continuous Oil/Water Separation and Oil Collection

Cited by 72 publications

References 55 publications

Nanowires: Synthesis and Energy/Environmental Applications

Nanowires: Synthesis and Energy/Environmental Applications

Robust and continuous oil/water separation with superhydrophobic glass microfiber membrane by vertical polymerization under harsh conditions

Multifunctional Fire‐Resistant Paper Based on Ultralong Hydroxyapatite Nanowires†

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