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Chhajed M, Verma C, Maji PK. Recent advances in hydrophobic nanocellulose aerogels for oil spill applications: A review. MARINE POLLUTION BULLETIN 2024; 199:116024. [PMID: 38219295 DOI: 10.1016/j.marpolbul.2024.116024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 12/23/2023] [Accepted: 01/01/2024] [Indexed: 01/16/2024]
Abstract
In a rapidly growing world, petroleum is used extensively in various industries, and the extraction, processing, and transportation of petroleum generates large amounts of petroleum-containing wastewater. Conventional oil/water separation methodologies are often ineffective and costly. Nanocellulose-based aerogels (NA) have emerged as a possible solution to this problem. However, hydrophobic modification is required for effective use in oil/water separation. This review on materials commonly used in these processes and outlines the requirements for adsorbent materials and methods for creating unique lipophilic surfaces. New trends in hydrophobization methods for NA are also discussed. Additionally, it includes the development of composite nanocellulose aerogels (CNAs) and cellulose based membrane specially developed for oil/water (o/w) separation considering different separation requirements. This analysis also examines how CNAs have evolved by introducing special properties that facilitate oil collection or make the adsorbent recyclable. We also discuss the difficulties in creating effective NAs for these important applications in a changing society, as well as the difficulties in creating oil recovery equipment for oil spill cleanup.
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Affiliation(s)
- Monika Chhajed
- Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Saharanpur Campus, Saharanpur 247001, U.P., India
| | - Chhavi Verma
- Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Saharanpur Campus, Saharanpur 247001, U.P., India
| | - Pradip K Maji
- Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Saharanpur Campus, Saharanpur 247001, U.P., India.
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2
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Manouchehri M. A comprehensive review on state-of-the-art antifouling super(wetting and anti-wetting) membranes for oily wastewater treatment. Adv Colloid Interface Sci 2024; 323:103073. [PMID: 38160525 DOI: 10.1016/j.cis.2023.103073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/03/2024]
Abstract
One of the most dangerous types of pollution to the environment is oily wastewater, which is produced from a number of industrial sources and can cause damage to the environment, people, and creatures. To overcome this issue, membrane technology as an advanced method has been considered for treating oily wastewater due to its stability, high removal efficiency, and simplicity in scaling up. Membrane fouling, or the accumulation of oil droplets at or within the membrane pores, compromises the efficiency of membrane separation and water flux. In the last decade, the fabrication of membranes with specific wettability to reduce fouling has received much consideration. The purpose of this article is to offer a literature overview of all fabricated anti-fouling super(wetting and anti-wetting) membranes for applicable membrane processes for the separation of immiscible and emulsified oil/water mixtures. In this review, we first explain membrane fouling and discuss methods for preventing it. Afterwards, in all membrane separation processes, including pressure-driven, gravity-driven, and thermal-driven, membranes based on the form and density of oil are categorized as oil-removing or water-removing with special wettability, and then their wettability modification with different materials is particularly discussed. Finally, the prospect of anti-fouling membrane fabrication in the future is presented.
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Affiliation(s)
- Massoumeh Manouchehri
- Department of Chemical Engineering, South Tehran Branch, Islamic Azad University, Tehran, Iran.
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3
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Karatum O, Steiner SA, Plata DL. Developing aerogel surfaces via switchable-hydrophilicity tertiary amidine coating for improved oil recovery. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 880:163062. [PMID: 36966829 DOI: 10.1016/j.scitotenv.2023.163062] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 03/08/2023] [Accepted: 03/21/2023] [Indexed: 05/27/2023]
Abstract
Blanket aerogels (i.e., Cabot™ Thermal Wrap® (TW) and Aspen™ Spaceloft® (SL)) with surfaces that have controllable wettability are promising advanced materials for oil recovery applications, where high oil uptake during deployment could be coupled with high oil release to enable reusability of recovered oil. The study presented here details the preparation of CO2-switchable aerogel surfaces through the application of switchable tertiary amidine (i.e., tributylpentanamidine (TBPA)) onto aerogel surfaces using drop casting, dip coating, and physical vapor deposition techniques. TBPA is synthesized via two step processes: (1) synthesis of N, N-dibutylpentanamide, (2) synthesis of N, N-tributylpentanamidine. The deposition of TBPA is confirmed by X-ray photoelectron spectroscopy. Our experiments revealed that surface coating of TBPA onto aerogel blankets was partially successful within limited set of process conditions (e.g., 290 ppm CO2 and 5500 ppm humidity for PVD, 106 ppm CO2 and 700 ppm humidity for drop casting and dip coating), but that the post-aerogel modification strategies yielded poor, heterogeneous reproducibility. Overall, more than 40 samples were tested for their switchability in the presence of CO2 and water vapor, respectively, and the success rate was 6.25 %, 11.7 % and 18 % for PVD, drop casting, and dip coating, respectively. The most likely reasons for unsuccessful coating onto aerogel surfaces are: (1) the heterogeneous fiber structure of the aerogel blankets, (2) poor distribution of the TBPA over the aerogel blanket surface.
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Affiliation(s)
- Osman Karatum
- Department of Chemical and Environmental Engineering, Mason Laboratory, Yale University, New Haven, CT 06511, USA.
| | | | - Desiree L Plata
- Department of Chemical and Environmental Engineering, Mason Laboratory, Yale University, New Haven, CT 06511, USA; Department of Civil and Environmental Engineering, 15 Vassar Street, Bldg 48, Cambridge, MA 02139, USA
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4
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Wei Y, Wang F, Guo Z. Bio-inspired and metal-derived superwetting surfaces: Function, stability and applications. Adv Colloid Interface Sci 2023; 314:102879. [PMID: 36934513 DOI: 10.1016/j.cis.2023.102879] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 02/19/2023] [Accepted: 03/07/2023] [Indexed: 03/14/2023]
Abstract
Due to their exceptional anti-icing, anti-corrosion, and anti-drag qualities, biomimetic metal-derived superwetting surfaces, which are widely employed in the aerospace, automotive, electronic, and biomedical industries, have raised significant concern. However, further applications in other domains have been hampered by the poor mechanical and chemical durability of superwetting metallic surfaces, which can result in metal fatigue and corrosion. The potential for anti-corrosion, anti-contamination, anti-icing, oil/water separation, and oil transportation on surfaces with superwettability has increased in recent years due to the advancement of research in biomimetic superwetting interface theory and practice. Recent developments in functionalized biomimetic metal-derived superwetting surfaces were summarized in this paper. Firstly, a detailed presentation of biomimetic metal-derived superwetting surfaces with unique capabilities was made. The problems with the long-term mechanical and chemical stability of biomimetic metal-derived superwetting surfaces were then examined, along with potential solutions. Finally, in an effort to generate fresh concepts for the study of biomimetic metal-derived superwetting surfaces, the applications of superwetting metallic surfaces in various domains were discussed in depth. The future direction of biomimetic metal-derived superwetting surfaces was also addressed.
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Affiliation(s)
- Yuren Wei
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering, Hubei Key Laboratory of Polymer Materials, Hubei University, Wuhan 430062, China
| | - Fengyi Wang
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering, Hubei Key Laboratory of Polymer Materials, Hubei University, Wuhan 430062, China.
| | - Zhiguang Guo
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, School of Materials Science & Engineering, Hubei Key Laboratory of Polymer Materials, Hubei University, Wuhan 430062, China; State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.
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5
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Zhu S, Deng W, Su Y. Recent advances in preparation of metallic superhydrophobic surface by chemical etching and its applications. Chin J Chem Eng 2023. [DOI: 10.1016/j.cjche.2023.02.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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6
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Boulett A, Marambio O, Martin-Trasanco R, Sánchez J, Alavia W, Oyarzún DP, Pizarro G. Preparation of functional coating films using breath figure (BF) method and the study of morphological, optical and wettability behavior with varying experimental conditions. INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION 2023. [DOI: 10.1080/1023666x.2023.2175167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Affiliation(s)
- Andrés Boulett
- Departamento de Química, Universidad Tecnológica Metropolitana, Santiago, Chile
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Santiago, Chile
| | - Oscar Marambio
- Departamento de Química, Universidad Tecnológica Metropolitana, Santiago, Chile
| | - Rudy Martin-Trasanco
- Departamento de Química de los Materiales, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Santiago, Chile
| | - Julio Sánchez
- Departamento de Ciencias del Ambiente, Facultad de Química y Biología, Universidad de Santiago de Chile (USACH), Santiago, Chile
| | - Wilson Alavia
- Department of Electrical Engineering, Centre for Multidisciplinary Research in Telecommunication Technologies (CIMMT), University of Santiago of Chile, Santiago, Chile
| | - Diego P. Oyarzún
- Departamento de Química y Biología, Facultad de Ciencias Naturales, Universidad de Atacama, Copiapó, Chile
| | - Guadalupe Pizarro
- Departamento de Química, Universidad Tecnológica Metropolitana, Santiago, Chile
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7
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Advances in Asymmetric Wettable Janus Materials for Oil–Water Separation. Molecules 2022; 27:molecules27217470. [DOI: 10.3390/molecules27217470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 10/18/2022] [Accepted: 10/28/2022] [Indexed: 11/06/2022] Open
Abstract
The frequent occurrence of crude oil spills and the indiscriminate discharge of oily wastewater have caused serious environmental pollution. The existing separation methods have some defects and are not suitable for complex oil–water emulsions. Therefore, the efficient separation of complex oil–water emulsions has been of great interest to researchers. Asymmetric wettable Janus materials, which can efficiently separate complex oil–water emulsions, have attracted widespread attention. This comprehensive review systematically summarizes the research progress of asymmetric wettable Janus materials for oil–water separation in the last decade, and introduces, in detail, the preparation methods of them. Specifically, the latest research results of two-dimensional Janus materials, three-dimensional Janus materials, smart responsive Janus materials, and environmentally friendly Janus materials for oil–water separation are elaborated. Finally, ongoing challenges and outlook for the future research of asymmetric wettable Janus materials are presented.
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8
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Separation of used automobile oil/water mixture by Nylon 6/ZnO nanoparticles electrospun membrane. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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9
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Nanostructured copper hydroxide-based interfaces for liquid/liquid and liquid/gas separations. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121573] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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10
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Nguyen-Dinh MT, Bui TS, Lee BK, Masoumi Z. Superhydrophobic MS@CuO@SA sponge for oil/water separation with excellent durability and reusability. CHEMOSPHERE 2022; 292:133328. [PMID: 34929282 DOI: 10.1016/j.chemosphere.2021.133328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Revised: 10/27/2021] [Accepted: 12/14/2021] [Indexed: 06/14/2023]
Abstract
We present a superhydrophobic material based on commercially melamine sponge (MS) with great durability, recyclability, and excellent sorption performance. The fabrication process of this sponge is facile without using toxic reagents or sophisticated equipment and therefore it is simple to scale up. The CuO layer utilized to give a rough surface of the substrate (MS) was successfully prepared in a commercial microwave to seed copper nucleuses in an alkaline medium. Stearic acid (SA) plays a role as the self-assembled monolayer on the surface of the sponge skeletons. Throughout this study, the properties of the modified sponge were fully characterized, and the changes in wettability were carefully examined. Water contact angle (WCA) measurements revealed the excellent superhydrophobicity of the material with high static WCA of 165.1° and low dynamic WCA of 8°. Furthermore, the as-prepared sponge demonstrated high efficiency in separation (over 99.0%) of different oils from water. Notably, several unique properties of as-modified material were found, consisting of ultrafast sorption capacities of up to 32-52 times of its own weight by using 80 mL of each oil, outstanding reusability with good sorption capacity even after 40 cycles. Even under various harsh environments, the novel materials proved its outstanding durability and ultrafast sorption capacity of oils. The durability, recyclability, and superhydrophobic properties of the novel superhydrophobic sponge provide it a solid basis for oil-water separation applications through an ultrafast sorption capacity of oils as well as quick recovery of the oil by easy squeezing process.
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Affiliation(s)
- Minh-Thao Nguyen-Dinh
- Department of Civil and Environmental Engineering, University of Ulsan, Nam-gu, Daehak-ro 93, Ulsan, 44610, Republic of Korea
| | - Thanh Son Bui
- Department of Civil and Environmental Engineering, University of Ulsan, Nam-gu, Daehak-ro 93, Ulsan, 44610, Republic of Korea
| | - Byeong-Kyu Lee
- Department of Civil and Environmental Engineering, University of Ulsan, Nam-gu, Daehak-ro 93, Ulsan, 44610, Republic of Korea.
| | - Zohreh Masoumi
- Department of Civil and Environmental Engineering, University of Ulsan, Nam-gu, Daehak-ro 93, Ulsan, 44610, Republic of Korea
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11
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Yong J, Yang Q, Hou X, Chen F. Emerging Separation Applications of Surface Superwettability. NANOMATERIALS 2022; 12:nano12040688. [PMID: 35215017 PMCID: PMC8878479 DOI: 10.3390/nano12040688] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 02/13/2022] [Accepted: 02/15/2022] [Indexed: 11/17/2022]
Abstract
Human beings are facing severe global environmental problems and sustainable development problems. Effective separation technology plays an essential role in solving these challenges. In the past decades, superwettability (e.g., superhydrophobicity and underwater superoleophobicity) has succeeded in achieving oil/water separation. The mixture of oil and water is just the tip of the iceberg of the mixtures that need to be separated, so the wettability-based separation strategy should be extended to treat other kinds of liquid/liquid or liquid/gas mixtures. This review aims at generalizing the approach of the well-developed oil/water separation to separate various multiphase mixtures based on the surface superwettability. Superhydrophobic and even superoleophobic surface microstructures have liquid-repellent properties, making different liquids keep away from them. Inspired by the process of oil/water separation, liquid polymers can be separated from water by using underwater superpolymphobic materials. Meanwhile, the underwater superaerophobic and superaerophilic porous materials are successfully used to collect or remove gas bubbles in a liquid, thus achieving liquid/gas separation. We believe that the diversified wettability-based separation methods can be potentially applied in industrial manufacture, energy use, environmental protection, agricultural production, and so on.
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Affiliation(s)
- Jiale Yong
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China; (J.Y.); (X.H.)
| | - Qing Yang
- School of Mechanical Engineering, Xi’an Jiaotong University, Xi’an 710049, China;
| | - Xun Hou
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China; (J.Y.); (X.H.)
| | - Feng Chen
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi’an Jiaotong University, Xi’an 710049, China; (J.Y.); (X.H.)
- Correspondence:
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12
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Chu D, Li W, Liang Z, Qu S, Yao P. Reversible Control between Sliding and Pinning on Femtosecond Laser-Treated Nickel Foam Slippery Surfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:2076-2083. [PMID: 35113574 DOI: 10.1021/acs.langmuir.1c03125] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Bioinspired slippery surfaces with excellent abilities, such as antifouling, anticorrosion, and drag reduction, have gained increasing attention due to their multifunction in chemistry, biology, and medicine. However, the present thermally responsive methods used for in situ paraffin-infused slippery surfaces (PISS) are usually based on a surface heat source or certain specific photothermal materials, which seriously hinders their practical applications. Herein, we present a kind of in situ PISS processed by femtosecond laser on nickel (Ni) foam with reversible droplet behavior between sliding and pinning controlled by a point heat source. By alternately loading and unloading the point heat source, switchable wettability for liquid droplets can be achieved. The reaction time of this smart surface to the temperature change is 4.47 ± 1.14 s. The relationship between droplet volumes and inclined angles on four different surfaces is quantitatively investigated. Furthermore, the as-prepared PISS display an impressive self-healing ability. In addition, by flexibly changing the action path of the point heat source, the droplet can realize the movement of different curves. This functional surface and in situ control method will be a promising candidate for manipulating droplet directional sliding behavior and smart temperature-responsive surfaces.
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Affiliation(s)
- Dongkai Chu
- Center for Advanced Jet Engineering Technologies (CaJET), School of Mechanical Engineering, Shandong University, Jinan, Shandong 250061, PR China
- State Key Laboratory of High Performance and Complex Manufacturing, College of Mechanical and Electrical Engineering, Central South University, Changsha 410083, PR China
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, Shandong University, Jinan, Shandong 250061, PR China
| | - Weizhen Li
- Center for Advanced Jet Engineering Technologies (CaJET), School of Mechanical Engineering, Shandong University, Jinan, Shandong 250061, PR China
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, Shandong University, Jinan, Shandong 250061, PR China
| | - Zihang Liang
- Center for Advanced Jet Engineering Technologies (CaJET), School of Mechanical Engineering, Shandong University, Jinan, Shandong 250061, PR China
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, Shandong University, Jinan, Shandong 250061, PR China
| | - Shuoshuo Qu
- Center for Advanced Jet Engineering Technologies (CaJET), School of Mechanical Engineering, Shandong University, Jinan, Shandong 250061, PR China
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, Shandong University, Jinan, Shandong 250061, PR China
| | - Peng Yao
- Center for Advanced Jet Engineering Technologies (CaJET), School of Mechanical Engineering, Shandong University, Jinan, Shandong 250061, PR China
- Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, Shandong University, Jinan, Shandong 250061, PR China
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13
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Chu Z, Li Y, Zhou A, Zhang L, Zhang X, Yang Y, Yang Z. Polydimethylsiloxane-decorated magnetic cellulose nanofiber composite for highly efficient oil-water separation. Carbohydr Polym 2022; 277:118787. [PMID: 34893220 DOI: 10.1016/j.carbpol.2021.118787] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Revised: 10/11/2021] [Accepted: 10/16/2021] [Indexed: 11/02/2022]
Abstract
Developing three-dimensional porous hydrophobic and oleophilic materials (3D-PHOMs) for efficient and selective oil-water separation is important to clean up oil spills and organic pollutants. However, 3D-PHOMs are still confined to lab-scale research due to several crucial drawbacks. Herein, a hydrophobic oil-water separation composite, containing cellulose nanofiber (delignificated porous wood, PW) substrate, magnetic nickel (Ni) layer and hydrophobic polydimethylsiloxane (PDMS) coating, is prepared using electroless deposition (ELD) and surface modification techniques. Owing to the porosity, hydrophobicity (>130° of water contact angle), lipophilicity, convenient magnetic collection and high cycle compressibility, the as-fabricated PDMS-Ni-PW exhibits excellent oil adsorption capacity (>60% of the volumetric absorption capacity) and outstanding cyclic stability (>80% of the adsorption capacity after 200 cycles). Thanks to the low surface energy and rough surface structure, the adsorbent demonstrates superior oil-retention ability (>80% at 200 rpm). Also, the oil-collecting apparatus is successfully designed to continuously separate various oils, e.g., n-hexane and dichloromethane, from water due to the unidirectional liquid transport of the adsorbent. These excellent properties make PDMS-modified cellulose nanofiber a promising candidate for oil-water separation.
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Affiliation(s)
- Zhuangzhuang Chu
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China; College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
| | - Yongtao Li
- College of Natural Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
| | - Aiqun Zhou
- Hunan College of Information, Changsha 410200, China
| | - Lei Zhang
- Guangdong Provincial Key Laboratory of Industrial Surfactant, Institute of Chemical Engineering, Guangdong Academy of Sciences, Guangzhou 510665, China
| | - Xiaochun Zhang
- Guangdong Provincial Key Laboratory of Industrial Surfactant, Institute of Chemical Engineering, Guangdong Academy of Sciences, Guangzhou 510665, China.
| | - Yu Yang
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou 510642, China.
| | - Zhuohong Yang
- Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China; Guangdong Laboratory for Lingnan Modern Agriculture, South China Agricultural University, Guangzhou 510642, China.
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14
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Lu J, Li F, Miao G, Miao X, Ren G, Wang B, Song Y, Li X, Zhu X. Superhydrophilic/superoleophobic shell powder coating as a versatile platform for both oil/water and oil/oil separation. J Memb Sci 2021. [DOI: 10.1016/j.memsci.2021.119624] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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15
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Facile fabrication of superhydrophilic and underwater superoleophobic surfaces on cotton fabrics for effective oil/water separation with excellent anti-contamination ability. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127290] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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16
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Shami Z, Amininasab SM, Katoorani SA, Gharloghi A, Delbina S. NaOH-Induced Fabrication of a Superhydrophilic and Underwater Superoleophobic Styrene-Acrylate Copolymer Filtration Membrane for Effective Separation of Emulsified Light Oil-Polluted Water Mixtures. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:12304-12312. [PMID: 34644497 DOI: 10.1021/acs.langmuir.1c01692] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Oil-polluted water mixtures are difficult to separate, and thus, they are considered as a global challenge. A superior superhydrophilic and low-adhesive underwater superoleophobic styrene-acrylate copolymer filtration membrane is constructed using a salt (NaOH)-induced phase-inversion approach. The as-fabricated filtration membrane provides a hierarchical-structured surface morphology and three-dimensional high density open-rough porous geometry with a special chemical composition including highly accessible hydrophilic -COO- agents, which all are of great importance for long-term usage of immiscible/emulsified (light) oil-polluted wastewater separation. The separation is performed with a high efficiency and a high flux under either a gravity-driven force or a small applied pressure of 0.1 bar. The filtration membrane indicates an excellent anti-fouling property and is easily recycled during multiple cycles. The outstanding performance of the filtration membrane in separating oil-polluted water mixtures and the cost-effective synthetic approach as well as commercially scaled-up initial materials all highlight its potential for practical applications.
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Affiliation(s)
- Zahed Shami
- Department of Chemistry, Faculty of Science, University of Kurdistan, Pasdaran Boulevard, Daneshgah Street, Sanandaj 66177-15175, Iran
| | - Seyed Mojtaba Amininasab
- Department of Chemistry, Faculty of Science, University of Kurdistan, Pasdaran Boulevard, Daneshgah Street, Sanandaj 66177-15175, Iran
| | - Seyed Adib Katoorani
- Department of Chemistry, Faculty of Science, University of Kurdistan, Pasdaran Boulevard, Daneshgah Street, Sanandaj 66177-15175, Iran
| | - Atefeh Gharloghi
- Department of Chemistry, Faculty of Science, University of Kurdistan, Pasdaran Boulevard, Daneshgah Street, Sanandaj 66177-15175, Iran
| | - Somayeh Delbina
- Department of Chemistry, Faculty of Science, University of Kurdistan, Pasdaran Boulevard, Daneshgah Street, Sanandaj 66177-15175, Iran
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17
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Liang Z, He W, Chu D, Qu S, Yao P. Structured Copper Mesh for Efficient Oil-Water Separation Processed by Picosecond Laser Combined With Chemical Treatment or Thermal Oxidation. FRONTIERS IN NANOTECHNOLOGY 2021. [DOI: 10.3389/fnano.2021.757487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Oil-water separation has great practical significance, and can be used to help cope with growing oily industrial sewage discharge or marine oil spills, avoiding water pollution. Smart artificial super-wettable materials used for oil-water separation have aroused enormous interest because of their advantages of energy efficiency and applicability across a wide range of industrial processes. Herein, we report a highly efficient, simple method for oil-water separation using copper mesh fabricated by picosecond laser processing combined with chemical treatment or thermal oxidation. After laser processing, the surfaces of copper mesh show superhydrophilicity (hydrophilicity) and underwater superoleophobicity, which can be used to separate water from oil. While, for the samples after laser and chemical treatment or laser treatment combined with thermal oxidation, the surfaces become superhydrophobic (hydrophobic) and underwater superoleophilic, which can separate oil from water. Moreover, these three kinds of super-wettability meshes show high separation efficiency, achieving more than 99% seperation. Furthermore, the as-prepared mesh can be used for various oil-water mixture separation, such as edible oil, kerosene, diesel, and so on. Thus, this work will provide insights for controllable oil-water separation, and will also be beneficial to the study of microfluidic devices, and smart filters.
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18
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Belal AS, Nady JE, Shokry A, Ebrahim S, Soliman M, Khalil M. Superhydrophobic functionalized cellulosic paper by copper hydroxide nanorods for oils purification. Sci Rep 2021; 11:16261. [PMID: 34376750 PMCID: PMC8355275 DOI: 10.1038/s41598-021-95784-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Accepted: 07/29/2021] [Indexed: 12/15/2022] Open
Abstract
Oily water contamination has been sighted as one of the most global environmental pollution. Herein, copper hydroxide nanorods layer was constructed onto cellulosic filter paper surface cured with polydopamine, Ag nanoparticles, and Cu NPs through immersion method. This work has been aimed to produce a superhydrophobic and superoleophilic cellulosic filter paper. The structure, crystalline, and morphological properties of these modified cellulosic filter paper were investigated. Scanning electron microscope images confirmed that the modified surface was rougher compared with the pristine surface. The contact angle measurement confirmed the hydrophobic nature of these modified surfaces with a water contact angle of 169.7°. The absorption capacity was 8.2 g/g for diesel oil and the separation efficiency was higher than 99%. It was noted that the flux in the case of low viscosity solvent as n-hexane was 9663.5 Lm-2 h-1, while for the viscous oil as diesel was 1452.7 Lm-2 h-1.
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Affiliation(s)
- Ahmed S Belal
- Materials Science Department, Institute of Graduate Studies and Research, Alexandria University, P.O. Box 832, Alexandria, Egypt
| | - Jehan El Nady
- Electronic Materials Department, Advanced Technology and New Materials Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab City, P.O. Box 21934, Alexandria, Egypt
| | - Azza Shokry
- Materials Science Department, Institute of Graduate Studies and Research, Alexandria University, P.O. Box 832, Alexandria, Egypt
| | - Shaker Ebrahim
- Materials Science Department, Institute of Graduate Studies and Research, Alexandria University, P.O. Box 832, Alexandria, Egypt
| | - Moataz Soliman
- Materials Science Department, Institute of Graduate Studies and Research, Alexandria University, P.O. Box 832, Alexandria, Egypt
| | - Marwa Khalil
- Nanotechnology and Composite Materials Department, Institute of New Materials and Advanced Technology, City of Scientific Research and Technological Applications (SRTA-City), New Borg El Arab City, P.O. Box 21934, Alexandria, Egypt.
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19
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Chen C, Huang Z, Zhu S, Liu B, Li J, Hu Y, Wu D, Chu J. In Situ Electric-Induced Switchable Transparency and Wettability on Laser-Ablated Bioinspired Paraffin-Impregnated Slippery Surfaces. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:e2100701. [PMID: 34050638 PMCID: PMC8292917 DOI: 10.1002/advs.202100701] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Indexed: 05/18/2023]
Abstract
Switchable wetting and optical properties on a surface is synergistically realized by mechanical or temperature stimulus. Unfortunately, in situ controllable wettability together with programmable transparency on 2D/3D surfaces is rarely explored. Herein, Joule-heat-responsive paraffin-impregnated slippery surface (JR-PISS) is reported by the incorporation of lubricant paraffin, superhydrophobic micropillar-arrayed elastomeric membrane, and embedded transparent silver nanowire thin-film heater. Owing to its good flexibility, in situ controllable locomotion for diverse liquids on planar/curved JR-PISS is unfolded by alternately applying/discharging low electric-trigger of 6 V. Simultaneously, optical visibility can be reversibly converted between opaque and transparent modes. The switching principle is that in the presence of Joule-heat, solid paraffin would be melt and swell within 20 s to enable a slippery surface for decreasing light scattering and frictional force derived from contact angle hysteresis (FCAH ). Once Joule-heat is discharged, undulating rough surface would reconfigure by cold-shrinkage of paraffin within 8 s to render light blockage and high FCAH . Upon its portable merit, in situ thermal management, programmable visibility, as well as steering functionalized droplets by electric-activated JR-PISSs are successfully deployed. Compared with previous Nepenthes-inspired slippery surfaces, the current JR-PISS is more competent for in situ harnessing optical and wetting properties on-demand.
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Affiliation(s)
- Chao Chen
- CAS Key Laboratory of Mechanical Behavior and Design of MaterialsDepartment of Precision Machinery and Precision InstrumentationUniversity of Science and Technology of ChinaHefei230026China
| | - Zhouchen Huang
- CAS Key Laboratory of Mechanical Behavior and Design of MaterialsDepartment of Precision Machinery and Precision InstrumentationUniversity of Science and Technology of ChinaHefei230026China
| | - Suwan Zhu
- CAS Key Laboratory of Mechanical Behavior and Design of MaterialsDepartment of Precision Machinery and Precision InstrumentationUniversity of Science and Technology of ChinaHefei230026China
| | - Bingrui Liu
- CAS Key Laboratory of Mechanical Behavior and Design of MaterialsDepartment of Precision Machinery and Precision InstrumentationUniversity of Science and Technology of ChinaHefei230026China
| | - Jiawen Li
- CAS Key Laboratory of Mechanical Behavior and Design of MaterialsDepartment of Precision Machinery and Precision InstrumentationUniversity of Science and Technology of ChinaHefei230026China
| | - Yanlei Hu
- CAS Key Laboratory of Mechanical Behavior and Design of MaterialsDepartment of Precision Machinery and Precision InstrumentationUniversity of Science and Technology of ChinaHefei230026China
| | - Dong Wu
- CAS Key Laboratory of Mechanical Behavior and Design of MaterialsDepartment of Precision Machinery and Precision InstrumentationUniversity of Science and Technology of ChinaHefei230026China
| | - Jiaru Chu
- CAS Key Laboratory of Mechanical Behavior and Design of MaterialsDepartment of Precision Machinery and Precision InstrumentationUniversity of Science and Technology of ChinaHefei230026China
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20
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Yong J, Zhuang J, Bai X, Huo J, Yang Q, Hou X, Chen F. Water/gas separation based on the selective bubble-passage effect of underwater superaerophobic and superaerophilic meshes processed by a femtosecond laser. NANOSCALE 2021; 13:10414-10424. [PMID: 34018504 DOI: 10.1039/d1nr01225h] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
To solve the problems caused by tiny bubbles in liquids and the difficulties involved in collecting useful gas underwater, this paper proposes a method to separate bubbles from water by integrating underwater superaerophobic and superaerophilic porous membranes, including bubble removal and collection methods. Inspired by fish scales and lotus leaves, underwater superaerophobic microstructures and underwater superaerophilic microstructures are prepared on a stainless steel (SS) mesh by femtosecond laser processing, respectively. The as-prepared underwater superaerophobic mesh has an anti-bubble ability, while the underwater superaerophilic mesh has a bubble-absorption ability in water. Based on the different dynamic behavior of bubbles on these two kinds of superwetting meshes, efficient water/bubble separation is achieved by using laser-induced superwetting meshes. Tiny bubbles can be completely removed from the water flow in a pipe or easily collected. Such water/gas separation methods based on underwater superaerophobic and superaerophilic porous membranes provide an effective way to prevent the damage caused by bubbles and to collect the available gas in liquids, which has great potential applications in energy utilization, environmental protection, medical and health care, microfluidic chips, chemical manufacturing, agricultural breeding, and so on.
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Affiliation(s)
- Jiale Yong
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, PR China.
| | - Jian Zhuang
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, PR China.
| | - Xue Bai
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, PR China.
| | - Jinglan Huo
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, PR China.
| | - Qing Yang
- School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an, 710049, PR China.
| | - Xun Hou
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, PR China.
| | - Feng Chen
- State Key Laboratory for Manufacturing System Engineering and Shaanxi Key Laboratory of Photonics Technology for Information, School of Electronic Science and Engineering, Xi'an Jiaotong University, Xi'an, 710049, PR China.
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21
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Yang S, Chen L, Liu S, Hou W, Zhu J, Zhao P, Zhang Q. Facile and sustainable fabrication of high-performance cellulose sponge from cotton for oil-in-water emulsion separation. JOURNAL OF HAZARDOUS MATERIALS 2021; 408:124408. [PMID: 33168311 DOI: 10.1016/j.jhazmat.2020.124408] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 10/16/2020] [Accepted: 10/25/2020] [Indexed: 06/11/2023]
Abstract
Given complexity and diversity of oily wastewater, developing highly efficient separation materials through green and facile strategy are urgently needed. Herein, a smart strategy is demonstrated to transform raw cotton into uniform cellulose sponge for separation oil-in-water emulsion. The raw cotton is directly treated in zinc chloride aqueous solutions through a controllable dissolution process. After regeneration without any further chemical modification and freeze drying, the evolved cellulose sponge, which is composed of partially dissolved cotton fiber and exfoliated regenerated cellulose, exhibits interesting three-dimensional (3D) interconnected hierarchical porous network structure and stable wettability of superoleophobicity (θoil>150º) under water. Cellulose sponge has excellent underwater superoleophobicity and antifouling property due to the natural hydrophilicity of cellulose. Based on the beneficial 3D hierarchical structure and superwettability, the cellulose sponge can separate highly emulsified oil-in-water emulsions with efficiency up to 99.2% solely under the driving of gravity. Our strategy provides a generic way to convert cellulose-based materials into cellulose porous materials with excellent permeability, separation efficiency, antifouling, and reusability property for oil/water emulsions separation. This economical, environmentally friendly and functional cellulose sponge not only allows natural cotton resources to be used rationally with high value-added, but also effectively solves the problems of oily wastewater.
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Affiliation(s)
- Sudong Yang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China.
| | - Lin Chen
- Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China.
| | - Shuai Liu
- Laboratory of Environmental Science and Technology, The Xinjiang Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Urumqi 830011, PR China
| | - Wenjie Hou
- Shanxi Coal and Chemical Technology Institute Co., Ltd., Xi'an 710070, PR China
| | - Jie Zhu
- Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China
| | - Peng Zhao
- Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China
| | - Qian Zhang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China
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22
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Lin Y, Zhang Z, Ren Z, Yang Y, Guo Z. A solvent-responsive robust superwetting titanium dioxide-based metal rubber for oil-water separation and dye degradation. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126179] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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23
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Zhai G, Qi L, He W, Dai J, Xu Y, Zheng Y, Huang J, Sun D. Durable super-hydrophobic PDMS@SiO 2@WS 2 sponge for efficient oil/water separation in complex marine environment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 269:116118. [PMID: 33280919 DOI: 10.1016/j.envpol.2020.116118] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Revised: 11/12/2020] [Accepted: 11/16/2020] [Indexed: 06/12/2023]
Abstract
The robust and eco-friendly super-hydrophobic sponge with remarkable performances has been potential adsorption material for the treatment of offshore oil spills. In this work, the durable PDMS@SiO2@WS2 sponge was fabricated via a green and facile one-step dipping method. The mixed tungsten disulfide (WS2) microparticles and hydrophobic SiO2 nanoparticles were immobilized on the sponge by non-toxic polydimethylsiloxane (PDMS) glue tier, which featured the hierarchical structure and extreme water repellency with the water contact angle of 158.8 ± 1.4°. The obtained PDMS@SiO2@WS2 sponge exhibits high oil adsorption capacity with 12-112 times of its own weight, and oil/water selectivity with separation efficiency over 99.85%. Notably, when subjected to the complex marine environment including high temperature, corrosive condition, insolation, and strong wind and waves, the modified sponge can maintain sable super-hydrophobicity with water contact angle over 150°. Moreover, it possesses superior mechanical stability for sustainable reusability and oil recovery. The sponge fabricated by non-toxic modifiers along with its sable super-hydrophobicity in complex marine environment makes it a potential material for practical applications.
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Affiliation(s)
- Guanzhong Zhai
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, PR China
| | - Lixue Qi
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, PR China
| | - Wang He
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, PR China
| | - Jiajun Dai
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, PR China
| | - Yan Xu
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, PR China
| | - Yanmei Zheng
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, PR China
| | - Jiale Huang
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, PR China
| | - Daohua Sun
- Department of Chemical and Biochemical Engineering, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, 361005, PR China.
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24
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Zhu S, Kang Z, Wang F, Long Y. Copper nanoparticle decorated non-woven polypropylene fabrics with durable superhydrophobicity and conductivity. NANOTECHNOLOGY 2021; 32:035701. [PMID: 33089829 DOI: 10.1088/1361-6528/abae31] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this study, a facile method was prepared to fabricate highly flexible, conductive and superhydrophobic polymer fabrics. Copper nanoparticles (CuNPs) were decorated on polypropylene fabrics using a simple spraying method and superhydrophobicity was obtained after vacuum drying for 4 h without any surface modifier. Accumulation of CuNPs constituted coral-like rough micro-nano structures, forming a stable Cassie model and endowing the surface with dense charge transport pathways, thus resulting in excellent superhydrophobicity (water contact angle ∼159°, sliding angle ∼2.3°) and conductivity (sheet resistance ∼0.92 Ω sq-1). The fabrics displayed superior waterproof and self-cleaning properties, as well as great sustainability in the water. Additionally, the superhydrophobicity and conductivity can be almost maintained after heat treatment, wear testing, water droplet impinging, weak alkali/acid treatment and repeated bending-kneading tests. These superhydrophobic and conductive fabrics that are free from moisture and pollution can be a reliable candidate to solve the water-penetration issue in the rapid development of flexible electronics.
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Affiliation(s)
- Shimeng Zhu
- Guangdong Key Laboratory for Advanced Metallic Materials Processing, School of Mechanical & Automotive Engineering, South China University of Technology, Guangzhou 510640, People's Republic of China
| | - Zhixin Kang
- Guangdong Key Laboratory for Advanced Metallic Materials Processing, School of Mechanical & Automotive Engineering, South China University of Technology, Guangzhou 510640, People's Republic of China
| | - Fen Wang
- Guangdong Key Laboratory for Advanced Metallic Materials Processing, School of Mechanical & Automotive Engineering, South China University of Technology, Guangzhou 510640, People's Republic of China
| | - Yan Long
- Guangdong Key Laboratory for Advanced Metallic Materials Processing, School of Mechanical & Automotive Engineering, South China University of Technology, Guangzhou 510640, People's Republic of China
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25
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Cao M, Chen Y, Huang X, Sun L, Xu J, Yang K, Zhao X, Lin L. Construction of PA6-rGO nanofiber membrane via electrospraying combining electrospinning processes for emulsified oily sewage purification. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.01.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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26
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Durable CNTs Reinforced Porous Electrospun Superhydrophobic Membrane for Efficient Gravity Driven Oil/Water Separation. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125342] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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27
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Rius-Ayra O, Bouhnouf-Riahi O, LLorca-Isern N. Superhydrophobic and Sustainable Nanostructured Powdered Iron for the Efficient Separation of Oil-in-Water Emulsions and the Capture of Microplastics. ACS APPLIED MATERIALS & INTERFACES 2020; 12:45629-45640. [PMID: 32926613 DOI: 10.1021/acsami.0c13876] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The pollution of oceans and seas by oils and microplastics is a significant global issue affecting the economy and environment. Therefore, it is necessary to search for different technologies that can remove these pollutants in a sustainable way. Herein, superhydrophobic powdered iron was used to efficiently separate stabilized oil-in-water emulsions and, remarkably, capture microplastic fibers. High-energy ball milling of iron particles was applied to decrease particle size, increase the specific surface area, and produce a nanostructured material. This was combined with the liquid phase deposition of lauric acid to modify the surface free energy. The nanostructured powder showed superhydrophobicity (WCA = 154°) and superoleophilicity (OCA = 0°), which were fundamental in separating stabilized oil-in-water emulsions of hexane with an efficiency close to 100%. Because of the superhydrophobic/superoleophilic properties of the powdered iron and its intrinsic properties of being able to freely move and adapt to the different morphologies of microplastics under continuous stirring, this material can capture microplastic fibers. Thus, we present a novel dual application of a superhydrophobic material, which includes the capture of microplastics. This has not been reported previously and provides a new scope for future environmental sustainability.
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Affiliation(s)
- O Rius-Ayra
- CPCM Departament de Ciència dels Materials i Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Spain
| | - O Bouhnouf-Riahi
- CPCM Departament de Ciència dels Materials i Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Spain
| | - N LLorca-Isern
- CPCM Departament de Ciència dels Materials i Química Física, Facultat de Química, Universitat de Barcelona, Martí i Franquès 1, 08028 Barcelona, Spain
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28
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Fabrication of pre-wetting induced superamphiphobic meshes for on-demand oil-water separation of light or heavy oil-water mixtures. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125095] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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29
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Zhang N, Qi Y, Zhang Y, Luo J, Cui P, Jiang W. A Review on Oil/Water Mixture Separation Material. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c02524] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Ning Zhang
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma’anshan, Anhui 243002, P. R. China
| | - Yunfei Qi
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma’anshan, Anhui 243002, P. R. China
| | - Yana Zhang
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210014, P. R. China
| | - Jialiang Luo
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210014, P. R. China
| | - Ping Cui
- School of Chemistry and Chemical Engineering, Anhui University of Technology, Ma’anshan, Anhui 243002, P. R. China
| | - Wei Jiang
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210014, P. R. China
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30
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Micro/Nanoscale Structured Superhydrophilic and Underwater Superoleophobic Hybrid-Coated Mesh for High-Efficiency Oil/Water Separation. Polymers (Basel) 2020; 12:polym12061378. [PMID: 32575503 PMCID: PMC7361680 DOI: 10.3390/polym12061378] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 06/17/2020] [Accepted: 06/18/2020] [Indexed: 12/02/2022] Open
Abstract
A novel micro/nanoscale rough structured superhydrophilic hybrid-coated mesh that shows underwater superoleophobic behavior is fabricated by spray casting or dipping nanoparticle–polymer suspensions on stainless steel mesh substrates. Water droplets can spread over the mesh completely; meanwhile, oil droplets can roll off the mesh at low tilt angles without any penetration. Besides overcoming the oil-fouling problem of many superhydrophilic coatings, this superhydrophilic and underwater superoleophobic mesh can be used to separate oil and water. The simple method used here to prepare the organic–inorganic hybrid coatings successfully produced controllable micro-nano binary roughness and also achieved a rough topography of micro-nano binary structure by controlling the content of inorganic particles. The mechanism of oil–water separation by the superhydrophilic and superoleophobic membrane is rationalized by considering capillary mechanics. Tetraethyl orathosilicate (TEOS) as a base was used to prepare the nano-SiO2 solution as a nano-dopant through a sol-gel process, while polyvinyl alcohol (PVA) was used as the film binder and glutaraldehyde as the cross-linking agent; the mixture was dip-coated on the surface of 300-mesh stainless steel mesh to form superhydrophilic and underwater superoleophobic film. Properties of nano-SiO2 represented by infrared spectroscopy and surface topography of the film observed under scanning electron microscope (SEM) indicated that the film surface had a coarse micro–nano binary structure; the effect of nano-SiO2 doping amount on the film’s surface topography and the effect of such surface topography on hydrophilicity of the film were studied; contact angle of water on such surface was tested as 0° by the surface contact angle tester and spread quickly; the underwater contact angle to oil was 158°, showing superhydrophilic and underwater superoleophobic properties. The effect of the dosing amount of cross-linking agent to the waterproof swelling property and the permeate flux of the film were studied; the oil–water separation effect of the film to oil–water suspension and oil–water emulsion was studied too, and in both cases the separation efficiency reached 99%, which finally reduced the oil content to be lower than 50 mg/L. The effect of filtration times to permeate flux was studied, and it was found that the more hydrophilic the film was, the stronger the stain resistance would be, and the permeate flux would gradually decrease along with the increase of filtration times.
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31
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Yu J, Lao J, Chu D, Wang D, Tang D, Li D, Zhu G, Dong A, Shu D, Peng Y, Luo J, Sun B. Reversible Photodriven Droplet Motion on Ti 3C 2 MXene Film for Diverse Liquids. ACS APPLIED MATERIALS & INTERFACES 2020; 12:19194-19200. [PMID: 32223253 DOI: 10.1021/acsami.0c01632] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The manipulation of liquid droplets on a specific surface with reversible wettability is of great importance for various applications from science to industry. Herein, the concept of a smart, flexible photodriven droplet motion (PDM) device with programmable wettability is designed using the 2D material of MXene film. Because of the MXene photothermal property, the Vaseline layer in the device is in transition between solid and liquid states under the heat transformation due to light illumination, thus attractively producing a reversible wettability for liquid motion with respect to sliding and pinning. Multifarious pathways for liquid motion could be designed through the flexibility of light illumination, which is a revolutionary enhancement in diverse liquid motion to form the desired pathways. In addition, we demonstrated liquid motion under illumination of the back face, which has a profound influence on applications, such as microfluidic systems, microengines, and liquid manipulation.
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Affiliation(s)
- Jiangping Yu
- Shanghai Key Laboratory of Advanced High Temperature Materials and Precision Forming, State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
- State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Junchao Lao
- Key Laboratory for Green Chemical Technology of Ministry of Education, State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Dandan Chu
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Donghong Wang
- Shanghai Key Laboratory of Advanced High Temperature Materials and Precision Forming, State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Ding Tang
- State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Dayong Li
- State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Guoliang Zhu
- Shanghai Key Laboratory of Advanced High Temperature Materials and Precision Forming, State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Anping Dong
- Shanghai Key Laboratory of Advanced High Temperature Materials and Precision Forming, State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Da Shu
- Shanghai Key Laboratory of Advanced High Temperature Materials and Precision Forming, State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Yinghong Peng
- State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jiayan Luo
- Key Laboratory for Green Chemical Technology of Ministry of Education, State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
| | - Baode Sun
- Shanghai Key Laboratory of Advanced High Temperature Materials and Precision Forming, State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
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32
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Sun Y, Huang J, Guo Z. A superamphiphobic surface with a hydrogen peroxide-triggered switch to antithetic fluid repellence in a liquid-liquid-air three-phase fluid system. Chem Commun (Camb) 2020; 56:4312-4315. [PMID: 32186554 DOI: 10.1039/d0cc01047b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
Herein, a superamphiphobic surface with a hydrogen peroxide-triggered switch to antithetic fluid repellence is presented. Novel arbitrary superamphiphobicity in one phase to repel the other two phases from an oil-water-air system or a generalized liquid-liquid-air three-phase fluid system can be realized.
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Affiliation(s)
- Yihan Sun
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, People's Republic of China.
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33
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Tie L, Zhao S, Guo Z, Li J. Fine Switching between Underwater Superoleophilicity and Underwater Superoleophobicity while Maintaining Superhydrophobicity. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:3300-3307. [PMID: 32191489 DOI: 10.1021/acs.langmuir.0c00154] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Switching between superhydrophobicity/underwater superoleophilicity and superhydrophilicity/underwater superoleophobicity has been widely designed. Recently, superwettability is subdivided into multiple extreme wetting states for oil, water, and air as wetting and medium phases. However, fine switching among the multiple superwettability is rare. Here, a pH-responsive case is presented to demonstrate the fine switching between underwater superoleophilicity and underwater superoleophobicity while maintaining superhydrophobicity. The surface chemistry of silver-roughened copper coatings is elaborately manipulated by water-repellent perfluoroalkyl and alkyl chains and the smart terminal carboxyl group. By adjusting the pH value of water, the completely opposite extreme wetting states for oil in water are precisely controlled. Simultaneously, the extreme repellence for water in the air can be kept owing to the fairly low surface energy of the perfluoroalkyl chain. This discovery accelerates the subdivision of superwettability and the achievement of unusual superwetting switching.
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Affiliation(s)
- Lu Tie
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
| | - Siyang Zhao
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
| | - Zhiguang Guo
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei University, Wuhan 430062, P. R. China
| | - Jing Li
- State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China
- Hubei Province Key Laboratory of Coal Conversion and New Carbon Materials, School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, P. R. China
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34
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Shami Z, Holakooei P. Durable Light-Driven Three-Dimensional Smart Switchable Superwetting Nanotextile as a Green Scaled-Up Oil-Water Separation Technology. ACS OMEGA 2020; 5:4962-4972. [PMID: 32201782 PMCID: PMC7081416 DOI: 10.1021/acsomega.9b03861] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Accepted: 02/26/2020] [Indexed: 05/31/2023]
Abstract
Stimuli-responsive polymer architectures are attracting a lot of interest, but it still remains a great challenge to develop effective industrial-scale strategies. A single-stage and cost-effective approach was applied to fabricate a three-dimensional (3D) smart responsive surface with fast and reversibly switchable wetting between superhydrophobicity and superhydrophilicity/underwater superoleophobicity properties induced by photo and heat stimuli. Commercially available PVDF and P25TiO2 as starting materials fabricated with a scaled-up electrospinning approach were applied to prepare 3D smart switchable PVDF-P25TiO2 nanotextile superwetted by both UV and solar light that is simply recovered by heat at a reasonable time. The superhydrophilic/underwater superoleophobic photo-induced nanotextile will act in "water-removing" mode in which water quickly passes through and the oil is blocked on the surface. An acceptable recycling, reusing, and superior antifouling and self-cleaning performance arising from a TiO2 photocatalytic effect makes it highly desired in a green scaled-up industry oily wastewater treatment technology. With these advantages, a large-scale industrial production process can be simply simulated by applying a conducting mesh-like collector substrate.
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Ren J, Tao F, Liu L, Wang X, Cui Y. A novel TiO2@stearic acid/chitosan coating with reversible wettability for controllable oil/water and emulsions separation. Carbohydr Polym 2020; 232:115807. [DOI: 10.1016/j.carbpol.2019.115807] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Revised: 12/09/2019] [Accepted: 12/29/2019] [Indexed: 01/31/2023]
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36
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Cui M, Mu P, Shen Y, Zhu G, Luo L, Li J. Three-dimensional attapulgite with sandwich-like architecture used for multifunctional water remediation. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2019.116210] [Citation(s) in RCA: 66] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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37
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Li L, Xu Z, Sun W, Chen J, Dai C, Yan B, Zeng H. Bio-inspired membrane with adaptable wettability for smart oil/water separation. J Memb Sci 2020. [DOI: 10.1016/j.memsci.2019.117661] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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38
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Hu SW, Singh V, Sheng YJ, Tsao HK. Facilely-fabricated smart hydroxyl-surfaces with rapidly switchable wettability for water and oil: Reversibility between superoleophilicity and near superoleophobicity. J Taiwan Inst Chem Eng 2020. [DOI: 10.1016/j.jtice.2019.11.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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39
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Liu E, Yin X, Hu J, Yu S, Zhao Y, Xiong W. Fabrication of a biomimetic hierarchical superhydrophobic Cu-Ni coating with self-cleaning and anti-corrosion properties. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2019.124223] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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40
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Xu W, Yi P, Gao J, Deng Y, Peng L, Lai X. Large-Area Stable Superhydrophobic Poly(dimethylsiloxane) Films Fabricated by Thermal Curing via a Chemically Etched Template. ACS APPLIED MATERIALS & INTERFACES 2020; 12:3042-3050. [PMID: 31860263 DOI: 10.1021/acsami.9b19677] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Inspired by nature, large-area stable superhydrophobic poly(dimethylsiloxane) (PDMS) films have generated extensive interest for various applications such as self-cleaning, corrosion protection, liquid transport, optical services, and flexible electronics. However, the current methods used to prepare such films are difficult to apply for efficient large-area fabrication. In this article, an effective technique for fabricating low adhesive superhydrophobic films based on the use of a chemically etched template followed by a thermal curing process is introduced. On the basis of this approach, the importance of chemical solution concentration as well as etching time is discussed to outline the specific rules required for forming different surface topographies of the templates. Then, PDMS films with varying wettabilities can be fabricated in which one can achieve CA > 160° and SA < 10°. Finally, for engineering needs and actual preparation, large-area PDMS films are obtained via a roll-to-roll (R2R) process, which show a superhydrophobic property even after high-intensity friction and have excellent acid and alkaline resistance, UV resistance, and optical transparency. The prepared large-area stable superhydrophobic PDMS films have the potential to be used in the aerospace field in the future because of their excellent anti-icing performance.
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Affiliation(s)
- Weitian Xu
- State Key Laboratory of Mechanical System and Vibration and Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures , Shanghai Jiao Tong University , Shanghai 200240 , P. R. China
| | - Peiyun Yi
- State Key Laboratory of Mechanical System and Vibration and Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures , Shanghai Jiao Tong University , Shanghai 200240 , P. R. China
| | - Jie Gao
- State Key Laboratory of Mechanical System and Vibration and Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures , Shanghai Jiao Tong University , Shanghai 200240 , P. R. China
| | - Yujun Deng
- State Key Laboratory of Mechanical System and Vibration and Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures , Shanghai Jiao Tong University , Shanghai 200240 , P. R. China
| | - Linfa Peng
- State Key Laboratory of Mechanical System and Vibration and Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures , Shanghai Jiao Tong University , Shanghai 200240 , P. R. China
| | - Xinmin Lai
- State Key Laboratory of Mechanical System and Vibration and Shanghai Key Laboratory of Digital Manufacture for Thin-Walled Structures , Shanghai Jiao Tong University , Shanghai 200240 , P. R. China
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41
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Study on oil-water separation of selective-wettability meshes with different Micro/Nano structures. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2019.124026] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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42
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Zhang C, Zhang T, Huang J, Yan T, Li C, Liu L, Wang L, Jiao F. Copper hydroxyphosphate nanosheets-covered robust membranes with superhydrophilicity and underwater ultralow adhesive superoleophobicity for oil/water separation and visible light photodegradation. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2019.124000] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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43
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Fabrication of Superhydrophobic Magnetic Sawdust as Effective and Recyclable Oil Sorbents. MATERIALS 2019; 12:ma12203432. [PMID: 31635196 PMCID: PMC6829461 DOI: 10.3390/ma12203432] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 10/16/2019] [Accepted: 10/17/2019] [Indexed: 11/17/2022]
Abstract
In this paper, a novel superhydrophobic magnetic sawdust (SMSD) was fabricated as an oil sorbent. The SMSD was functionalized with Fe3O4 nanoparticles using melamine formaldehyde resin (MFR) as a coupling agent and subsequently hydrophobically-treated with hexadecyltrimethoxysilane (HDTMS). The SMSD showed excellent superhydrophobicity with the water contact angle of 155.3 ± 0.9°. Meanwhile it had remarkable environmental durability, long-term stability, and mechanical durable properties. Taking advantage of its magnetic characteristics, the SMSD could be easily controlled to absorb oil to separate oil–water mixtures with high oil absorption capacity and good reusability. Moreover, the emulsion was successfully separated by SMSD, including water-in-oil and oil-in-water emulsions. This study developed an effective oil absorbent, which was low cost and environmentally-friendly.
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Li Y, Zhang H, Ma C, Yin H, Gong L, Duh Y, Feng R. Durable, cost-effective and superhydrophilic chitosan-alginate hydrogel-coated mesh for efficient oil/water separation. Carbohydr Polym 2019; 226:115279. [PMID: 31582078 DOI: 10.1016/j.carbpol.2019.115279] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 08/09/2019] [Accepted: 08/30/2019] [Indexed: 02/07/2023]
Abstract
Hydrogels with low-adhesive superoleophobicity are ideal candidates for modifying filtration substrates to achieve efficient and antifouling oil/water separation. However, there are still some unfavorable factors hindering their practical application, including expensive raw materials, complex fabrication process, poor stability and durability. In this work, a durable, cost-effective and superhydrophilic chitosan-alginate (CS-ALG) hydrogel coated mesh was developed by a facile, two-step dip-coating method for efficient oil/water separation in hypersaline environments. By integrating polysaccharide-based superhydrophobic surfaces and the hierarchical micro-/nanostructures, the as-fabricated CS-ALG hydrogel coated mesh exhibits excellent underwater superoleophobicity and anti-oil-fouling performance. Benefiting from that, the mesh could separate various oil/water mixtures with high separation efficiency (> 99%). It is worth mentioning that the double-cross-linked CS-ALG hydrogel based on sequential electrostatic interaction and ionic cross-linking shows excellent durability in hypersaline environments. All these attractive advantages make the hydrogel-coated mesh a promising candidate for oily wastewater treatment and oil spill cleanup.
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Affiliation(s)
- Yuqi Li
- College of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou 350118, China; Institute of Chemical Safety, Fujian University of Technology, Fuzhou 350118, China
| | - Hui Zhang
- College of Materials Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Cen Ma
- College of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou 350118, China
| | - Hao Yin
- College of Materials Engineering, Fujian Agriculture and Forestry University, Fuzhou 350002, China
| | - Lingzhu Gong
- College of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou 350118, China; Institute of Chemical Safety, Fujian University of Technology, Fuzhou 350118, China
| | - Yihshing Duh
- College of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou 350118, China
| | - Ren Feng
- College of Ecological Environment and Urban Construction, Fujian University of Technology, Fuzhou 350118, China
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45
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Yan T, Zhang T, Zhao G, Zhang C, Li C, Jiao F. Magnetic textile with pH-responsive wettability for controllable oil/water separation. Colloids Surf A Physicochem Eng Asp 2019. [DOI: 10.1016/j.colsurfa.2019.04.083] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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46
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A fully bio-based composite coating with mechanical robustness and dual superlyophobicity for efficient two-way oil/water separation. J Colloid Interface Sci 2019; 549:123-132. [DOI: 10.1016/j.jcis.2019.04.055] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 04/16/2019] [Accepted: 04/17/2019] [Indexed: 11/23/2022]
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47
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Yue X, Zhang T, Yang D, Qiu F, Li Z. Superwetting rape pollen layer for emulsion switchable separation with high flux. Chem Eng Sci 2019. [DOI: 10.1016/j.ces.2019.03.081] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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48
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Xiao M, Huang Y, Xu A, Zhang T, Zhan C, Hong L. On-Demand Oil-Water Separation by Environmentally Responsive Cotton Fabrics. ACS OMEGA 2019; 4:12333-12341. [PMID: 31460351 PMCID: PMC6682093 DOI: 10.1021/acsomega.9b01235] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Accepted: 07/08/2019] [Indexed: 05/19/2023]
Abstract
Environmentally responsive cotton fabrics were fabricated by dip-coating ABC miktoarm star terpolymers, which contain reactive poly(3-triisopropyloxysilylpropyl methacrylate) blocks, hydrophobic poly(dimethylsiloxane) (PDMS) blocks, and hydrophilic poly(N,N-dimethylaminoethyl methacrylate) (PDMAEMA) blocks. The functionalized cotton fabrics with perfectly alternating PDMS and PDMAEMA blocks show underoil superhydrophobicity and underwater superoleophobicity. The wettability and permeability of the functionalized fabrics can be readily adjusted by the contacting medium. More interestingly, surface reconstruction causes a reduction in the breakthrough pressure of the nonwetting phase. The adaptive permeability endows the functionalized cotton fabrics with the capability to separate heavy oil-water-light oil ternary mixtures.
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Affiliation(s)
- Meina Xiao
- Department of Polymer Materials Science
and Engineering, South China University
of Technology, Guangzhou 510641, China
| | - Yinghui Huang
- Department of Polymer Materials Science
and Engineering, South China University
of Technology, Guangzhou 510641, China
| | - Anli Xu
- Department of Polymer Materials Science
and Engineering, South China University
of Technology, Guangzhou 510641, China
| | - Tongtong Zhang
- Department of Polymer Materials Science
and Engineering, South China University
of Technology, Guangzhou 510641, China
| | - Chengdong Zhan
- Department of Polymer Materials Science
and Engineering, South China University
of Technology, Guangzhou 510641, China
| | - Liangzhi Hong
- Department of Polymer Materials Science
and Engineering, South China University
of Technology, Guangzhou 510641, China
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49
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Qu M, Ma L, Wang J, Zhang Y, Zhao Y, Zhou Y, Liu X, He J. Multifunctional Superwettable Material with Smart pH Responsiveness for Efficient and Controllable Oil/Water Separation and Emulsified Wastewater Purification. ACS APPLIED MATERIALS & INTERFACES 2019; 11:24668-24682. [PMID: 31246414 DOI: 10.1021/acsami.9b03721] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2023]
Abstract
Developing multifunctional superwettable materials is highly demanded in the oil/water separation field but remains challenging due to the critical limitations of complex fabrication strategy and high cost. Herein, based on the cost-effective kaolin nanoparticles, we present a convenient and mild strategy for fabricating a smart superwettable material with multiple excellent performances, such as pH-responsive water wettability, self-cleaning property, favorable buoyancy, and air purification performance. By virtue of the dual rough surface structure and special chemical composition, the resultant material surface exhibits a superior pH-dependent wettability, which can be reversibly switched between superamphiphobicity and superhydrophilicity-superoleophobicity for many times in accordance with the pH value of the corresponding aqueous solution. As a result, the obtained superwettable material with reversible and controllable water wettability can be applied in efficient and continuous separation of multiple types of oil/water mixtures, especially the highly emulsified oil/water emulsions, via in situ or ex situ wettability change. To our knowledge, the smart material with the wetting property of superamphiphobicity that can be used for continuous emulsified wastewater purification has been rarely discussed in the emerging research works. In addition, the as-prepared material presents universal applicability to diversiform substrates and exhibits robust durability and stability against high-concentration salt solutions and rigorous mechanical abrasion. All of these above-mentioned advantages indicate that the as-prepared superwettable material will hold great potential in various practical applications, including oily wastewater remediation, smart aquatic device fabrication, liquid droplet manipulation, guiding liquid movement, and optimizing multiple operations in industrial fields.
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Affiliation(s)
- Mengnan Qu
- College of Chemistry and Chemical Engineering , Xi'an University of Science and Technology , Xi'an 710054 , China
| | - Lili Ma
- College of Chemistry and Chemical Engineering , Xi'an University of Science and Technology , Xi'an 710054 , China
| | - Jiaxin Wang
- College of Chemistry and Chemical Engineering , Xi'an University of Science and Technology , Xi'an 710054 , China
| | - Yi Zhang
- College of Chemistry and Chemical Engineering , Xi'an University of Science and Technology , Xi'an 710054 , China
| | - Yu Zhao
- College of Chemistry and Chemical Engineering , Xi'an University of Science and Technology , Xi'an 710054 , China
| | - Yichen Zhou
- College of Chemistry and Chemical Engineering , Xi'an University of Science and Technology , Xi'an 710054 , China
| | - Xiangrong Liu
- College of Chemistry and Chemical Engineering , Xi'an University of Science and Technology , Xi'an 710054 , China
| | - Jinmei He
- College of Chemistry and Chemical Engineering , Xi'an University of Science and Technology , Xi'an 710054 , China
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50
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Tehrani-Bagha AR. Waterproof breathable layers - A review. Adv Colloid Interface Sci 2019; 268:114-135. [PMID: 31022590 DOI: 10.1016/j.cis.2019.03.006] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2018] [Revised: 01/25/2019] [Accepted: 03/08/2019] [Indexed: 12/31/2022]
Abstract
Waterproof breathable layers (WPBLs) can be classified into two large groups of hydrophilic nonporous and hydrophobic porous layers. These layers (e.g., fabrics, films, membranes, and meshes) can be produced by various continuous and non-continuous processes such as coating, laminating, film stretching, casting, etc. The most common methods for production, characterization, and testing of WPBLs are presented and discussed in light of recent publications. The materials with high level of waterproofness and breathability are often used in outerwear for winter sports, sailing apparel, raincoats, military/police jackets, backpacks, tents, cargo raps, footwear and etc. WPBLs can also be used for other specialized applications such as membrane distillation, oil-water filtration, and wound dressing. These applications are discussed by presenting several good examples. The main challenge in the production of these layers is to compromise between waterproofness and breathability with opposing nature. The related research gaps, challenges, and future outlook are highlighted to shed more light on the topic.
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