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Hassan N, Ajmal Z, Liang Heng S, Fahmi Fawy K, Mahmood S, Mushtaq F, Albaqami MD, Mohammad S, Rasool RT, Ashraf GA. Fabrication of a sustainable superhydrophobic surface of Ag-NPs@SA on copper alloy for corrosion resistance, photocatalysis, and simulated distribution of Ag atoms. Analyst 2024; 149:3245-3262. [PMID: 38687206 DOI: 10.1039/d3an02182c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
Artificial superhydrophobic surfaces that do not absorb water, like the lotus leaf, show tremendous promise in numerous applications. However, superhydrophobic surfaces are rarely used because of their low stability and endurance. A stable organic superhydrophobic surface (SHS) composed of novel morphology Ag-nanoparticles (NPs) has been fabricated on a copper alloy via etching, immersion, spraying, and annealing treatment, along with a static water contact angle (WCA) of 158 ± 1° and sliding angle (SA) less than 2°. The surface texture, composition, and morphology of the substrate surfaces were explored by using X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscopy, energy dispersive spectroscopy, and DFT-based Ag atom distribution. The anti-corrosion study of non-coated and Ag-NP-coated copper alloy was undertaken using electrochemical impedance spectroscopy. Ag-NPs +SA@SHS enhanced the corrosion resistance as compared with bare Cu alloy. The water droplet rolled down the coated Cu alloy, removed the chalk powder from the surface, and indicated an excellent self-cleaning function. Photodegradation of Congo red (CR) and methylene blue (MB) dye samples was assessed by measuring the absorbance through UV-Visible spectrophotometry, where the Ag-NPs coated on the copper alloy were used as a catalyst. The performance of the SHS@Ag-NPs in the aqueous solution was 99.31% and 98.12% for industrial pollutants (CR and MB), with degradation rates of 5.81 × 10-2 s-1 and 5.89 × 10-2 s-1, respectively. These findings demonstrated a simple, rapid, and low-energy fabrication technique for SHS@Ag-NPs. This research reveals a valuable approach for the fabrication of SHS@Ag-NPs on various substrates to extend the superhydrophobic surfaces with ultra-fast self-healing properties, for outdoor applications such as anti-corrosion, for an innovative approach for the remediation of polluted water treatment, and for industrial applications.
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Affiliation(s)
- Noor Hassan
- College of Chemistry and Material Sciences, Zhejiang Normal University, Jinhua, 321004, Zhejiang, China.
| | - Zeeshan Ajmal
- College of Chemistry and Material Sciences, Zhejiang Normal University, Jinhua, 321004, Zhejiang, China.
| | - Sun Liang Heng
- Rail Transit College, Chengdu Industry and Trade College, Chengdu, 611730, China.
| | - Khaled Fahmi Fawy
- Department of Chemistry, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Sajid Mahmood
- Green Chemicals & Energy Process Development Laboratory, China Beacons Institute, University of Nottingham Ningbo, Ningbo 315040, China
| | - Fazila Mushtaq
- Institute of Chemical Sciences, Bahauddin Zakariya University, Multan, Pakistan
| | - Munirah D Albaqami
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Saikh Mohammad
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Raqiqa Tur Rasool
- Department of Physics, Zhejiang Normal University, Jinhua, Zhejiang, 321004, China
| | - Ghulam Abbas Ashraf
- Key Laboratory of Integrated Regulation and Resources Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China.
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Park H, Choi HY, Chae H, Noe Oo MM, Kang DJ. Electrohydrodynamic Nanopatterning: A Novel Solvent-Assisted Technique for Unconventional Substrates. NANO LETTERS 2023; 23:11949-11957. [PMID: 38079430 DOI: 10.1021/acs.nanolett.3c04177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Electrohydrodynamic (EHD)-driven patterning is a pioneering lithographic technique capable of replicating and modifying micro/nanostructures efficiently. However, this process is currently restricted to conventional substrates, as it necessitates a uniform and robust electric field over a large area. Consequently, the use of nontraditional substrates, such as those that are flexible, nonflat, or have high insulation, has been notably limited. In our study, we extend the applicability of EHD-driven patterning by introducing a solvent-assisted capillary peel-and-transfer method that allows the successful removal of diverse EHD-induced structures from their original substrates. Compared with the traditional route, our process boasts a success rate close to 100%. The detached structures can then be efficiently transferred to nonconventional substrates, overcoming the limitations of the traditional EHD process. Our method exhibits significant versatility, as evidenced by successful transfer of structures with engineered wettability and patterned structures composed of metals and metal oxides onto nonconventional substrates.
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Affiliation(s)
- Hyunje Park
- Department of Physics, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do 16419, Republic of Korea
- Research Institute of Basic Sciences, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do 16419, Republic of Korea
| | - Ha Young Choi
- Department of Physics, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do 16419, Republic of Korea
| | - Heejoon Chae
- Department of Physics, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do 16419, Republic of Korea
| | - May Myat Noe Oo
- Department of Physics, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do 16419, Republic of Korea
| | - Dae Joon Kang
- Department of Physics, Sungkyunkwan University, 2066, Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do 16419, Republic of Korea
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Bai X, Yuan Z, Lu C, Zhan H, Ge W, Li W, Liu Y. Recent advances in superwetting materials for separation of oil/water mixtures. NANOSCALE 2023; 15:5139-5157. [PMID: 36853237 DOI: 10.1039/d2nr07088j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Engineering surfaces or membranes that allow an efficient oil/water separation is highly desired in a wide spectrum of applications ranging from oily wastewater discharge to offshore oil spill accidents. Recent advances in biomimetics, manufacturing, and characterization techniques have led to remarkable progress in the design of various superwetting materials with special wettability. In spite of exciting progress, formulating a strategy robust enough to guide the design and fabrication of separating surfaces remains a daunting challenge. In this review, we first present an overview of the wettability theory to elucidate how to control the surface morphology and chemistry to regulate oil/water separation. Then, parallel approaches are considered for discussing the separation mechanisms according to different oil/water mixtures, and three separation types were identified including filtration, adsorption and other separation types. Finally, perspectives on the challenges and future research directions in this research area are briefly discussed.
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Affiliation(s)
- Xiangge Bai
- Key Laboratory for Precision & Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, P. R. China.
| | - Zichao Yuan
- Key Laboratory for Precision & Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, P. R. China.
| | - Chenguang Lu
- Key Laboratory for Precision & Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, P. R. China.
| | - Haiyang Zhan
- Key Laboratory for Precision & Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, P. R. China.
| | - Wenna Ge
- Key Laboratory for Precision & Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, P. R. China.
| | - Wenzong Li
- Key Laboratory for Precision & Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, P. R. China.
| | - Yahua Liu
- Key Laboratory for Precision & Non-traditional Machining Technology of Ministry of Education, Dalian University of Technology, Dalian 116024, P. R. China.
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4
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Mousavi FS, Nasouri K. Novel 3D carbon fibers derived from Luffa wastes for oil/water separation. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 320:121093. [PMID: 36657512 DOI: 10.1016/j.envpol.2023.121093] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 01/02/2023] [Accepted: 01/13/2023] [Indexed: 06/17/2023]
Abstract
In this study, the 3D structure of carbon fibers (CFs) was prepared from Luffa sponge wastes by H3PO4 impregnation with various ratios and a low-temperature carbonization process at 500 °C in a nitrogen atmosphere. The H3PO4-treated Luffa sponge had higher thermal stability and carbonic yield (∼60-70%) than neat-Luffa (∼21%). Characterization analyses exposed that the synthesized CFs derived from H3PO4-treated Luffa exhibited oleophilic and hydrophobic carbonic nature with 3D sponge skeletal, reflecting an ideal structure for oil sorption. The engine oil sorption properties on the CFs were studied by varying the contact time. The engine oil sorption equilibrium data for 3D CFs samples was explained by the pseudo-second-order and intraparticle diffusion models. The equilibrium oil sorption capacities of 3D CFs were as large as 23.1 ± 0.4 g/g for engine oil, 23.7 ± 1.0 g/g for gasoline, 28.1 ± 1.0 g/g for almond oil, and 29.2 ± 0.8 g/g for pomegranate seed oil in 20 min. Moreover, the optimized 3D CFs can be selectively for oil/water separation applications, such as high capacities for various oils, fast kinetic sorption, and reusability (>6 cycles). This research presented a facile and cost-effective process for the 3D CFs through recycling Luffa sponge wastes for rapid oil sorption.
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Affiliation(s)
- Fatemeh Sadat Mousavi
- Department of Textile Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran
| | - Komeil Nasouri
- Department of Textile Engineering, Isfahan University of Technology, Isfahan, 84156-83111, Iran.
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Tang S, Sun S, Liu T, Li M, Jiang Y, Wang D, Guo N, Guo Z, Chang X. Bionic engineering-induced formation of hierarchical structured minerals with superwetting surfaces for oil-water separation. J Memb Sci 2023. [DOI: 10.1016/j.memsci.2022.121261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Wang P, Yang M, Zheng B, Guan X, Liao Y, Yue Y, Duan W, Zhang Y. Soft and Rigid Integrated Durable Coating for Large-Scale Deicing. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:403-410. [PMID: 36534638 DOI: 10.1021/acs.langmuir.2c02612] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Soft silicone has been widely used for anti-icing coating, but the ice adhesion strength is usually scaled with the iced area at a relatively large thickness. On the other hand, a thin rigid poly(vinyl chloride) (PVC) film could be independent of the iced area and was named a low-interfacial-toughness material. Thus, a soft and rigid integrated (SRI) coating was prepared by doping PVC particles into a silicone matrix here. The introduction of PVC particles not only served as phase II to accelerate the stress concentration but also favored the formation of a wrinkle structure. After further introducing plasticizers, this SRI coating not only has a very low ice adhesion strength at a low iced length but also tends to a limit value irrespective of the iced length, which further leads to excellent large-area deicing behavior. Furthermore, the SRI coating demonstrated outstanding chemical stability, mechanical robustness, and on-field repairability.
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Affiliation(s)
- Peng Wang
- School of Energy, Power and Mechanical Engineering, North China Electric Power University, Baoding071000, China
- Hebei Key Laboratory of Electric Machinery Health Maintenance & Failure Prevention, North China Electric Power University, Baoding071003, China
- Key Laboratory of Icing and Anti/De-icing, China Aerodynamics Research and Development Center, Mianyang621000, Sichuan, China
| | - Mengyu Yang
- School of Energy, Power and Mechanical Engineering, North China Electric Power University, Baoding071000, China
- Hebei Key Laboratory of Electric Machinery Health Maintenance & Failure Prevention, North China Electric Power University, Baoding071003, China
| | - Boyuan Zheng
- School of Energy, Power and Mechanical Engineering, North China Electric Power University, Baoding071000, China
- Hebei Key Laboratory of Electric Machinery Health Maintenance & Failure Prevention, North China Electric Power University, Baoding071003, China
| | - Ximei Guan
- School of Energy, Power and Mechanical Engineering, North China Electric Power University, Baoding071000, China
- Hebei Key Laboratory of Electric Machinery Health Maintenance & Failure Prevention, North China Electric Power University, Baoding071003, China
| | - Yongli Liao
- Electric Power Research Institute, China South Power Grid, Guangzhou510013, China
| | - Ying Yue
- School of Energy, Power and Mechanical Engineering, North China Electric Power University, Baoding071000, China
- Hebei Key Laboratory of Electric Machinery Health Maintenance & Failure Prevention, North China Electric Power University, Baoding071003, China
| | - Wei Duan
- School of Energy, Power and Mechanical Engineering, North China Electric Power University, Baoding071000, China
- Hebei Key Laboratory of Electric Machinery Health Maintenance & Failure Prevention, North China Electric Power University, Baoding071003, China
| | - Yuning Zhang
- School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing102206, China
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7
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Yang S, Li H, Liu S, Wang S, Li H, Li H, Qi W, Xu Q, Zhang Q, Zhu J, Zhao P, Chen L. Wodyetia bifurcate structured carbon fabrics with durable superhydrophobicity for high-efficiency oil-water separation. JOURNAL OF HAZARDOUS MATERIALS 2022; 439:129688. [PMID: 36104914 DOI: 10.1016/j.jhazmat.2022.129688] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 07/20/2022] [Accepted: 07/26/2022] [Indexed: 06/15/2023]
Abstract
The superhydrophobic fiber-based membranes with features of high separation efficiency and low energy consumption for oil-water separation remains a formidable challenge. In this paper, a robust and durable superhydrophobic cotton-derived carbon fabric (CDCF) with wodyetia bifurcate-like structure is fabricated via in situ cobalt-nickel basic carbonate (CNC) deposition and 1 H, 1 H, 2 H, 2 H-perfluorooctyltriethoxysilane (POTS) coating. The combined action of rough surface structure and low surface energy makes CDCF/CNC/POTS with superhydrophobicity/superoleophilicity, anti-wetting, and self-cleaning performance. Intriguingly, the CDCF/CNC/POTS can keep its superhydrophobicity under of the water droplet impact pressure of 781 Pa. In addition to its robust dynamic superhydrophobicity, CDCF/CNC/POTS can also maintain its non-wetting property under harsh environmental conditions such as mechanical abrasion treatment, acidic, alkaline and salt solutions, and ultraviolet radiation. Importantly, the CDCF/CNC/POTS can separate various oil-water mixtures and emulsions under gravity with ultrahigh oil-water mixtures permeate flux (∼19,126 L/m2h), high surfactant-stabilized emulsion permeate flux (∼821 L/m2h), and high separation efficiency (> 98.60 %). Moreover, remarkable recyclability endow the CDCF/CNC/POTS with promising application in treating oily wastewater. This work may benefit the low-cost mass production of cotton-based carbon fabrics for developing eco-friendly high-efficiency separators.
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Affiliation(s)
- Sudong Yang
- College of Food and Biological Engineering, Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China.
| | - Hongyi Li
- Guangzhou Panyu Polytechnic, Guangzhou 511483, PR China
| | - Shuai Liu
- College of Grassland and Environmental Sciences, Xinjiang Agricultural University, Urumqi 830052, PR China
| | - Shanshan Wang
- College of Grassland and Environmental Sciences, Xinjiang Agricultural University, Urumqi 830052, PR China
| | - Hongmei Li
- College of Food and Biological Engineering, Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China.
| | - Huiming Li
- College of Food and Biological Engineering, Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China
| | - Wensheng Qi
- College of Food and Biological Engineering, Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China
| | - Qing Xu
- College of Food and Biological Engineering, Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China
| | - Qian Zhang
- College of Food and Biological Engineering, Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China
| | - Jie Zhu
- College of Food and Biological Engineering, Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China
| | - Peng Zhao
- College of Food and Biological Engineering, Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China
| | - Lin Chen
- College of Food and Biological Engineering, Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China.
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Zhang X, Liu J, Zhang H, Wu P, Liu C, He J, Jiang W. Rapid separation of High-viscosity phosphorous Acid/Tributyl phosphate extraction system by a stable anticorrosive Super-PA-phobic mesh. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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9
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Ni T, You Y, Xie Z, Kong L, Newman B, Henderson L, Zhao S. Waste-derived carbon fiber membrane with hierarchical structures for enhanced oil-in-water emulsion separation: Performance and mechanisms. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.120543] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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10
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Fabrication of superhydrophobic stainless-steel mesh for oil-water separation by jet electrodeposition. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129434] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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11
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Yang S, Chen L, Wang S, Liu S, Xu Q, Zhu J, Zhang Q, Zhao P. Honeycomb-like cobalt hydroxide nanosheets induced basalt fiber fabrics with robust and durable superhydrophobicity for anti-icing and oil-water separation. JOURNAL OF HAZARDOUS MATERIALS 2022; 429:128284. [PMID: 35066220 DOI: 10.1016/j.jhazmat.2022.128284] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/07/2022] [Accepted: 01/13/2022] [Indexed: 06/14/2023]
Abstract
The fiber-based membranes with superhydrophobic/superoleophilic features are highly desirable for oil-water separation applications. Herein, a superhydrophobic/superoleophilic basalt fiber fabric is constructed by using a general strategy of surface KMnO4 pre-oxidation, honeycomb-like cobalt hydroxide nanosheets in-situ deposition, and hydrophobization. The influence of morphology change on wettability and roughness of the fabric surface were investigated. Benefiting from the dual-scale micro-/nanostructures, the obtained composite fabric has outstanding superhydrophobicity (water contact angle > 161°) and sustains non-wettability against multifarious food liquids. Meanwhile, the fabric displays substantial superhydrophobic durability during sandpaper abrasion, tape-peeling, and bending treatment. Moreover, the fabric also demonstrates excellent anti-wetting, self-cleaning and anti-icing performance. With these properties, the fabric has outstanding separation efficiencies (> 99.31%) and recyclability for various oil-water mixtures and emulsions under gravity. Therefore, this work provides an idea for development of superhydrophobic fabrics with potential application in the rapid treatment 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.
| | - Shanshan Wang
- College of life sciences, Xinjiang Agricultural University, Urumqi 830052, PR China
| | - Shuai Liu
- College of life sciences, Xinjiang Agricultural University, Urumqi 830052, PR China
| | - Qing Xu
- College of Food and Biological Engineering, Chengdu University, Chengdu 610106, PR China
| | - Jie Zhu
- Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China
| | - Qian Zhang
- Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China
| | - Peng Zhao
- Institute for Advanced Study, Chengdu University, Chengdu 610106, PR China
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Mao T, Xiao R, Liu P, Chen J, Luo J, Luo S, Xie F, Zheng C. Facile fabrication of durable superhydrophobic fabrics by silicon polyurethane membrane for oil/water separation. Chin J Chem Eng 2022. [DOI: 10.1016/j.cjche.2022.05.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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13
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Zhou Y, Gu X, Yuan Z, Li Y, Wang B, Yan J, Zhao D, Liu J, Liu X. PDMS mesh with reversible super-wettability for oil/water separation. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128462] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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14
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Han J, Li B, Nai X, Wu P, Zhang B, Dong Y, Li W, Liu X. Facile strategy for the construction of a robust underbrine superoleophobic membrane for highly efficient oil-brine separation. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128247] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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15
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Gao T, Guan G, Wang X, Lou T. Electrospun molecularly imprinted sodium alginate/polyethylene oxide nanofibrous membranes for selective adsorption of methylene blue. Int J Biol Macromol 2022; 207:62-71. [PMID: 35247421 DOI: 10.1016/j.ijbiomac.2022.02.193] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 01/03/2022] [Accepted: 02/28/2022] [Indexed: 12/15/2022]
Abstract
Molecular imprinting technique is an efficient method to improve the selective adsorption capacity for the target pollutant. In this study, sodium alginate/polyethylene oxide molecularly imprinted nanofibrous membrane (SA/PEO-MINM) with average diameter of 185 ± 20 nm was successfully synthesized by electrospinning for selective adsorption of methylene blue (MB). Benefiting from the molecular imprinted technology, the adsorption amount of SA/PEO-MINM for MB was increased by about 65%, significantly higher than the non-imprinted membrane. Results showed that the adsorption equilibrium could be well fitted with Langmuir isotherm model and the maximum adsorption capacity towards MB was 3186.7 mg/g. Kinetic experiments well complied with the Pseudo second order model. Reusability studies indicated that the removal efficiency of MB could maintain 93% of the original adsorption capacity after four consecutive adsorption/desorption cycles. More importantly, the SA/PEO-MINM with high surface area and specific adsorption recognition sites showed excellent selective adsorption capacity in the adsorption experiment of MB and methylene orange mixed dye solution. In general, the SA/PEO-MINM can be successfully applied for the selective removal of MB from dye wastewater.
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Affiliation(s)
- Tong Gao
- Department of Chemical Engineering, Qingdao University, Qingdao 266071, China
| | - Guohao Guan
- Department of Chemical Engineering, Qingdao University, Qingdao 266071, China
| | - Xuejun Wang
- Department of Chemical Engineering, Qingdao University, Qingdao 266071, China.
| | - Tao Lou
- Department of Chemical Engineering, Qingdao University, Qingdao 266071, China.
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Facile Fabrication of Highly Hydrophobic Onion-like Candle Soot-Coated Mesh for Durable Oil/Water Separation. NANOMATERIALS 2022; 12:nano12050761. [PMID: 35269248 PMCID: PMC8912305 DOI: 10.3390/nano12050761] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 02/18/2022] [Accepted: 02/22/2022] [Indexed: 02/06/2023]
Abstract
Although sundry superhydrophobic filtrating materials have been extensively exploited for remediating water pollution arising from frequent oil spills and oily wastewater emission, the expensive reagents, rigorous reaction conditions, and poor durability severely restrict their water purification performance in practical applications. Herein, we present a facile and cost-effective method to fabricate highly hydrophobic onion-like candle soot (CS)-coated mesh for versatile oil/water separation with excellent reusability and durability. Benefiting from a superglue acting as a binder, the sub-micron CS coating composed of interconnected and intrinsic hydrophobic carbon nanoparticles stably anchors on the surface of porous substrates, which enables the mesh to be highly hydrophobic (146.8 ± 0.5°)/superoleophilic and resist the harsh environmental conditions, including acid, alkali, and salt solutions, and even ultrasonic wear. The as-prepared mesh can efficiently separate light or heavy oil/water mixtures with high separation efficiency (>99.95%), among which all the water content in filtrates is below 75 ppm. Besides, such mesh retains excellent separation performance and high hydrophobicity even after 20 cyclic tests, demonstrating its superior reusability and durability. Overall, this work not only makes the CS-coated mesh promising for durable oil/water separation, but also develops an eco-friendly approach to construct robust superhydrophobic surfaces.
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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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18
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Tian N, Wu S, Han G, Zhang Y, Li Q, Dong T. Biomass-derived oriented neurovascular network-like superhydrophobic aerogel as robust and recyclable oil droplets captor for versatile oil/water separation. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127393. [PMID: 34656938 DOI: 10.1016/j.jhazmat.2021.127393] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/18/2021] [Accepted: 09/28/2021] [Indexed: 06/13/2023]
Abstract
Using tubular kapok fibers (KF) and sodium alginate (SA) as the natural building block, we put forward a novel oriented neurovascular network-like superhydrophobic aerogel with robust dry and wet compression resilience by directional freeze-drying and chemical vapor deposition. In the block, SA forms aligned channel structures providing space for rapid oil transmission, while KF serves as vascular-like capillaries acting as instant "tentacle" to capture the tiny oil droplets in water, facilitating fascinating oil capture efficiency for versatile oil/water separation, The aerogel after dry and wet compression (under a strain of 60%) can recover 96.0% and 97.3% its original, respectively, facilitating stable oil recovery (81.1-89.8%) by squeezing, high separation efficiency (99.04-99.64%) and permeation flux separating oil contaminants from water. A pump-supported experiment shows the aerogel efficiently collecting oil contaminants from the water's surface and bottom by 11503-25611 L·m-2·h-1. Particularly, the aerogel as robust oil droplets captor facilely achieves isolation of 99.39-99.68% emulsified oils from oil/water emulsions by novel oil trapping mechanism which simply involves exerting kinetic energy on emulsified oils through repeated oscillation, potentially indicating a simple and efficient alternative to membrane-based oily wastewater remediation via filtration.
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Affiliation(s)
- Na Tian
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, #308 Ningxia Road, Qingdao, PR China
| | - Shaohua Wu
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, #308 Ningxia Road, Qingdao, PR China
| | - Guangting Han
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao, PR China
| | - Yuanming Zhang
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao, PR China
| | - Qiang Li
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao, PR China
| | - Ting Dong
- College of Textile and Clothing, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Advanced Medical Care and Protection Technology Research Center, Qingdao University, #308 Ningxia Road, Qingdao, PR China; Key Laboratory of Bio-Fibers and Eco-Textiles, Qingdao University, #308 Ningxia Road, Qingdao, PR China.
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19
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An K, Zhang X, Qing Y, Sui Y, Long C, Yang Z, Wang L, Liu C. One-step fabrication of robust superhydrophobic cerium-based nickel foam for oil-water separation and photocatalytic degradation. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.10.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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20
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Dai P, Li H, Huang X, Wang N, Zhu L. Highly Sensitive and Stable Copper-Based SERS Chips Prepared by a Chemical Reduction Method. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2770. [PMID: 34685206 PMCID: PMC8541386 DOI: 10.3390/nano11102770] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/02/2021] [Accepted: 10/12/2021] [Indexed: 11/30/2022]
Abstract
Cu chips are cheaper than Ag and Au chips for practical SERS applications. However, copper substrates generally have weak SERS enhancement effects and poor stability. In the present work, Cu-based SERS chips with high sensitivity and stability were developed by a chemical reduction method. In the preparation process, Cu NPs were densely deposited onto fabric supports. The as-prepared Cu-coated fabric was hydrophobic with fairly good SERS performance. The Cu-coated fabric was able to be used as a SERS chip to detect crystal violet, and it exhibited an enhancement factor of 2.0 × 106 and gave a limit of detection (LOD) as low as 10-8 M. The hydrophobicity of the Cu membrane on the fabric is favorable to cleaning background interference signals and promoting the stability of Cu NPs to environment oxidation. However, this Cu SERS chip was still poor in its long-term stability. The SERS intensity on the chip was decreased to 18% of the original one after it was stored in air for 60 days. A simple introduction of Ag onto the clean Cu surface was achieved by a replacement reaction to further enhance the SERS performances of the Cu chips. The Ag-modified Cu chips showed an increase of the enhancement factor to 7.6 × 106 due to the plasmonic coupling between Cu and Ag in nanoscale, and decreased the LOD of CV to 10-11 M by three orders of magnitude. Owing to the additional protection of Ag shell, the SERS intensity of the Cu-Ag chip after a two-month storing maintained 80% of the original intensity. The Cu-Ag SERS chips were also applied to detect other organics, and showing wide linearity range and low LOD values for the quantitative detection.
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Affiliation(s)
| | | | | | | | - Lihua Zhu
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China; (P.D.); (H.L.); (X.H.); (N.W.)
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21
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Pan W, Wu S, Huang L, Song J. Large-area fabrication of superhydrophobic micro-conical pillar arrays on various metallic substrates. NANOSCALE 2021; 13:14023-14034. [PMID: 34477683 DOI: 10.1039/d1nr02924j] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Superhydrophobic micro-conical pillar arrays have huge application prospects, from anti-icing to oil/water separation, corrosion resistance, and water droplet manipulation. However, there is still a lack of versatile methods with high processing efficiency to fabricate superhydrophobic micro-conical pillar arrays on various metallic substrates. Herein, a nanosecond laser ablation technology with versatility and high processing efficiency was developed to fabricate large-area superhydrophobic micro-conical pillar arrays. The simulation and experiments indicated that the height and the pillar inclination angle of micro-conical pillars could be easily controlled by adjusting the nanosecond laser parameters or the tilted angles of metallic substrates. The fabricated superhydrophobic micro-conical pillar arrays not only showed good mechanical robustness and chemical stability but also easily reduced the contact time for an impinging water droplet, showing potential application prospects in anti-icing from freezing rain. This kind of method with versatility and high processing efficiency will promote the practical applications of superhydrophobic micro-conical arrays.
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Affiliation(s)
- Weihao Pan
- Key Laboratory for Precision and Non-traditional Machining Technology of the Ministry of Education, Dalian University of Technology, Dalian 116024, P. R. China.
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22
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Qu M, Pang Y, Li J, Wang R, He D, Luo Z, Shi F, Peng L, He J. Eco-friendly superwettable functionalized-fabric with pH-bidirectional responsiveness for controllable oil-water and multi-organic components separation. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126817] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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23
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Facile preparation of durable superhydrophobic-superoleophilic mesh using simple chemical oxidation for oil-water separation under harsh conditions. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126777] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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24
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Qu M, Luo Z, Wang R, He D, Pang Y, Shi F, Sun W, Peng L, He J. Green fabrication of flame retardant and superhydrophobic materials with application in oil‐water separation. POLYM ADVAN TECHNOL 2021. [DOI: 10.1002/pat.5487] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Mengnan Qu
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an China
| | - Zhanxia Luo
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an China
| | - Rong Wang
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an China
| | - Dan He
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an China
| | - Yajie Pang
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an China
| | - Fan Shi
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an China
| | - Wenchao Sun
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an China
| | - Lei Peng
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an China
| | - Jinmei He
- College of Chemistry and Chemical Engineering Xi'an University of Science and Technology Xi'an China
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25
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Lin HP, Chen LJ. Direct observation of wetting behavior of water drops on single micro-scale roughness surfaces of rose petal effect. J Colloid Interface Sci 2021; 603:539-549. [PMID: 34216950 DOI: 10.1016/j.jcis.2021.06.132] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 06/21/2021] [Accepted: 06/22/2021] [Indexed: 01/28/2023]
Abstract
HYPOTHESIS It has been verified that a surface of single micro-scale structures with certain roughness could exhibit petal effect. That is, water drops with a contact angle larger than 150° would pin on the petal effect surface. It is conjectured that the water drop could pin on the single micro-scale roughness petal effect surface by totally infiltrating into spaces (or grooves) between micro-pillars. EXPERIMENTS An inverted optical microscopy system is synchronically applied in the process of advancing/receding contact angle (ACA/RCA) measurements to directly observe the wetting behavior of water droplets on hydrophobic patterned surfaces with regular arrays of square micro-pillars. FINDINGS A sequence of wetting behavior evolution, Wenzel → petal → pseudo-lotus → lotus, is observed on the hydrophobic patterned surfaces along with increasing surface roughness. It is interesting to observe a Cassie-Wenzel transition for water drops on a petal substrate during the ACA measurement (embedded needle method), leading to two ACAs, one before (in Cassie state) and one after the transition (in Wenzel state). Thus, the petal substrates have large contact angle hysteresis (CAH) (with both ACA and RCA in Wenzel state) to pin the water drop in Wenzel state. A Cassie-Wenzel transition is consistently observed during the evaporation process of water drops on pseudo-lotus substrates, leading to two RCAs: one in Cassie state and one in Wenzel state. The pseudo-lotus substrates have CAH (with both ACA and RCA in Cassie state) small enough to make water drops easily slide off.
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Affiliation(s)
- Hui-Ping Lin
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Li-Jen Chen
- Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan.
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26
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Wang Y, Sun L, Guo J, Shi K, Shang L, Xiao J, Zhao Y. Pollens derived magnetic porous particles for adsorption of low-density lipoprotein from plasma. Bioact Mater 2021; 6:1555-1562. [PMID: 33294733 PMCID: PMC7691160 DOI: 10.1016/j.bioactmat.2020.11.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 11/05/2020] [Accepted: 11/09/2020] [Indexed: 12/30/2022] Open
Abstract
Adsorption of low-density lipoprotein from plasma is vital for the treatment of dyslipidemia. Appropriate adsorbent material for efficient and selective adsorption of low-density lipoprotein is highly desired. In this work, we developed pollens-derived magnetic porous particles as adsorbents for this purpose. The natural pollen grains were modified to obtain high surface porosity, a large inner cavity, magnet responsiveness, and specific wettability. The resultant particles exhibited satisfying performance in the adsorption of a series of oils and organic solvents out of water. Besides, the particles were directly utilized to the adsorption of low-density lipoprotein in plasma, which showed high selectivity, and achieved an outstanding adsorption capacity as high as 34.9% within 2 h. Moreover, their salient biocompatibility was demonstrated through simulative hemoperfusion experiments. These features, together with its abundant source and facile fabrication, makes the pollens-derived magnetic porous particles excellent candidate for low-density lipoprotein -apheresis and water treatment applications.
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Affiliation(s)
- Yuetong Wang
- Precision Medicine Center Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, China
- Department of Clinical Laboratory, Institute of Translational Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210008, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Lingyu Sun
- Precision Medicine Center Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, China
- Department of Clinical Laboratory, Institute of Translational Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210008, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Jiahui Guo
- Precision Medicine Center Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, China
- Department of Clinical Laboratory, Institute of Translational Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210008, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
| | - Keqing Shi
- Precision Medicine Center Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, China
| | - Luoran Shang
- Precision Medicine Center Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, China
- Zhongshan-Xuhui Hospital, The Shanghai Key Laboratory of Medical Epigenetics, The International Co-laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, Institutes of Biomedical Sciences, Fudan University, Shanghai, 200032, China
| | - Jian Xiao
- Precision Medicine Center Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, China
- Research Units of Clinical Translation of Cell Growth Factors and Diseases Research of Chinese Academy of Medical Science, School of Pharmaceutical Science, Wenzhou Medical University, Wenzhou, China
| | - Yuanjin Zhao
- Precision Medicine Center Laboratory, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, 325035, China
- Department of Clinical Laboratory, Institute of Translational Medicine, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, 210008, China
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China
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27
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Ahmad K, Shah HUR, Ashfaq M, Nawaz H. Removal of decidedly lethal metal arsenic from water using metal organic frameworks: a critical review. REV INORG CHEM 2021. [DOI: 10.1515/revic-2021-0005] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Abstract
Water contamination is worldwide issue, undermining whole biosphere, influencing life of a large number of individuals all over the world. Water contamination is one of the chief worldwide danger issues for death, sickness, and constant decrease of accessible drinkable water around the world. Among the others, presence of arsenic, is considered as the most widely recognized lethal contaminant in water bodies and poses a serious threat not exclusively to humans but also towards aquatic lives. Hence, steps must be taken to decrease quantity of arsenic in water to permissible limits. Recently, metal-organic frameworks (MOFs) with outstanding stability, sorption capacities, and ecofriendly performance have empowered enormous improvements in capturing substantial metal particles. MOFs have been affirmed as good performance adsorbents for arsenic removal having extended surface area and displayed remarkable results as reported in literature. In this review we look at MOFs which have been recently produced and considered for potential applications in arsenic metal expulsion. We have delivered a summary of up-to-date abilities as well as significant characteristics of MOFs used for this removal. In this review conventional and advanced materials applied to treat water by adsorptive method are also discussed briefly.
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Affiliation(s)
- Khalil Ahmad
- Institute of Chemistry, Baghdad ul Jadeed Campus, The Islamia University of Bahawalpur , Bahawalpur 63100 , Pakistan
| | - Habib-Ur-Rehman Shah
- Institute of Chemistry, Baghdad ul Jadeed Campus, The Islamia University of Bahawalpur , Bahawalpur 63100 , Pakistan
| | - Muhammad Ashfaq
- Institute of Chemistry, Baghdad ul Jadeed Campus, The Islamia University of Bahawalpur , Bahawalpur 63100 , Pakistan
| | - Haq Nawaz
- CAS Key Laboratory of Engineering Plastics, CAS Research/Education Center for Excellence in Molecular Sciences , Institute of Chemistry, Chinese Academy of Sciences (CAS) , Beijing 100190 , China
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28
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Fan T, Su Y, Fan Q, Li Z, Cui W, Yu M, Ning X, Ramakrishna S, Long Y. Robust Graphene@PPS Fibrous Membrane for Harsh Environmental Oil/Water Separation and All-Weather Cleanup of Crude Oil Spill by Joule Heat and Photothermal Effect. ACS APPLIED MATERIALS & INTERFACES 2021; 13:19377-19386. [PMID: 33852271 DOI: 10.1021/acsami.1c04066] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
The cleanup of oily wastewater and crude-oil spills is a global challenge. Traditional membrane materials are inefficient for oil/water separation under harsh conditions and limited by sorption speeds because of the high viscosity of crude oil. Herein, a kind of Graphene-wrapped polyphenylene sulfide fibrous membrane with superior chemical resistance and hydrophobicity for efficient oil/water separation and fast adsorption of crude oil all-weather is reported. The reduced graphene oxide (rGO)@polyphenylene sulfide (PPS) fibrous membrane can be applied in the various harsh conditions with Joule heating and solar heating. In addition, the oil(dichloromethane)/water separation flux of rGO@PPS reached 12 903 L m-2h-1, and the separation efficiency reached 99.99%. After 10 cycles, the rGO@PPS still performed high separation flux and filtration efficiency. More importantly, the rGO@PPS still retained its high conductivity, excellent filtration efficiency, and stable hydrophobicity after acid or alkali treatment. Moreover, the rGO@PPS can be heated by solar energy to absorb viscous crude oil during the day, while at night, the crude oil can be adsorbed by Joule heating. The time to adsorb crude oil can be reduced by 98.6% and 97.3% through Joule heating and solar heating, respectively. This all-weather utilization greatly increases the adsorption efficiency and effectively reduces energy consumption.
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Affiliation(s)
- Tingting Fan
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, P. R. China
- Industrial Research Institute of Nonwovens & Technical Textiles, College of Textiles & Clothing, Qingdao University, Shandong Center for Engineered Nonwovens, Qingdao 266071, P. R. China
| | - Ying Su
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, P. R. China
| | - Qian Fan
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, P. R. China
| | - Zhenhuan Li
- China State Key Laboratory of Separation Membranes and Membrane Processes, School of Materials Science and Engineering, Tiangong University, 300160 Tianjin, P. R. China
| | - Wenying Cui
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, P. R. China
| | - Miao Yu
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, P. R. China
| | - Xin Ning
- Industrial Research Institute of Nonwovens & Technical Textiles, College of Textiles & Clothing, Qingdao University, Shandong Center for Engineered Nonwovens, Qingdao 266071, P. R. China
| | - Seeram Ramakrishna
- Center for Nanofibers & Nanotechnology, Department of Mechanical Engineering, National University of Singapore, Singapore 117574, Singapore
| | - Yunze Long
- Collaborative Innovation Center for Nanomaterials & Devices, College of Physics, Qingdao University, Qingdao 266071, P. R. China
- Collaborative Innovation Center for Eco-Textiles of Shandong Province, Qingdao University, Qingdao 266071, P. R. China
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29
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Wang C, Shao Y, Zhang K, Wu B, Du X, Li X, Zhang X, Liang F, Yang Z. Facile Approach to Fabricate a High-Performance Superhydrophobic Mesh. ACS APPLIED MATERIALS & INTERFACES 2021; 13:15720-15726. [PMID: 33765765 DOI: 10.1021/acsami.1c03475] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
When superhydrophobic meshes are used for oil/water separation, high flux and high intrusion pressure are usually compromised. Herein, a high-performance superhydrophobic stainless steel mesh membrane with a hairy-like poly(divinylbenzene) (PDVB) coating is fabricated by precipitated cationic polymerization. The synthesis is facile, which is completed in one step at ambient temperature within a short time, i.e., less than 90 s. The unique hair-like microstructure of PDVB is responsible for the superhydrophobic performance with less blockage for the pores. A higher flux for oil is achieved while keeping a high intrusion pressure. Especially, the ellipsoidal pore texture with two sharp tips can give additional high intrusion pressure. In the case of 2800 mesh, the superhydrophobic mesh displays an unprecedentedly high value of up to 22 kPa while maintaining a high flux of 2.0 × 104 L·m-2·h-1. The high intrusion pressure enables further increment of flux to 4.2 × 104 L·m-2·h-1 under a reduced pressure at a higher loading. The current high-performance superhydrophobic mesh realizes higher efficiency in separating oil/water mixtures, which is promising for practical applications, for example, in industrial extraction.
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Affiliation(s)
- Chunyu Wang
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Yue Shao
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Kunfeng Zhang
- State Key Laboratory of Petroleum Pollution Control, Beijing 102206, China
- CNPC Research Institute of Safety and Environmental Technology, Beijing 102206, China
| | - Baichun Wu
- State Key Laboratory of Petroleum Pollution Control, Beijing 102206, China
- CNPC Research Institute of Safety and Environmental Technology, Beijing 102206, China
| | - Xianyuan Du
- State Key Laboratory of Petroleum Pollution Control, Beijing 102206, China
- CNPC Research Institute of Safety and Environmental Technology, Beijing 102206, China
| | - Xingchun Li
- State Key Laboratory of Petroleum Pollution Control, Beijing 102206, China
- CNPC Research Institute of Safety and Environmental Technology, Beijing 102206, China
| | - Xiaoyan Zhang
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Fuxin Liang
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Zhenzhong Yang
- Institute of Polymer Science and Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
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30
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Shi HG, Li SL, Cheng JB, Zhao HB, Wang YZ. Multifunctional Photothermal Conversion Nanocoatings Toward Highly Efficient and Safe High-Viscosity Oil Cleanup Absorption. ACS APPLIED MATERIALS & INTERFACES 2021; 13:11948-11957. [PMID: 33650846 DOI: 10.1021/acsami.0c22596] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Efficient and safe cleanup for the high-viscosity heavy oil spill has been a worldwide challenge due to its sluggish flowability, while classic absorption methods by electric/solar heating are seriously limited by low efficiency and high fire hazards during heating of highly flammable oil. Facing this dilemma, we reported a novel flame-retardant photothermal conversion nanocoating to endow commercial foams with highly efficient and safe heavy oil cleanup absorption. This multifunctional nanocoating consisting of nano-Fe3O4 and reduced graphene oxide (rGO) that both showed photothermal conversion ability and non-flammable nature can be firmly deposited on the polymer foam skeletons via facile coprecipitation and dip-coating processes. The composite foam showed a tough morphology with high hydrophobicity and low density, thus leading to selective high absorption for various oils and organic solvents. Due to the double photothermal conversion effects of nano-Fe3O4 and rGO, the temperature of the foam can be rapidly heated at a rate of ∼103.5 °C/min (the fastest rate ever) under 1 sun irradiation. Consequently, the foam with a high absorption capacity of 75.1 times its weight demonstrated a rapid absorption rate of 9000 g m-2 min-1 for large-viscosity oil under 1 sun irradiation, which was 3 times faster than previously reported. Furthermore, benefitting from high flame retardancy, elasticity, and magnetism, the foam can be safely and repeatedly used for magnetically controllable oil cleanup absorption, which effectively avoids oil spill hazards.
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Affiliation(s)
- Hai-Gang Shi
- School of Chemical Engineering, Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), Sichuan University, Chengdu 610064, China
| | - Shu-Liang Li
- School of Chemical Engineering, Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), Sichuan University, Chengdu 610064, China
| | - Jin-Bo Cheng
- School of Chemical Engineering, Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), Sichuan University, Chengdu 610064, China
| | - Hai-Bo Zhao
- School of Chemical Engineering, Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), Sichuan University, Chengdu 610064, China
| | - Yu-Zhong Wang
- School of Chemical Engineering, Collaborative Innovation Center for Eco-Friendly and Fire-Safety Polymeric Materials (MoE), State Key Laboratory of Polymer Materials Engineering, National Engineering Laboratory of Eco-Friendly Polymeric Materials (Sichuan), Sichuan University, Chengdu 610064, China
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31
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Chao J, Feng J, Chen F, Wang B, Tian Y, Zhang D. Fabrication of superamphiphobic surfaces with controllable oil adhesion in air. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2020.125708] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Zheng W, Huang J, Li S, Ge M, Teng L, Chen Z, Lai Y. Advanced Materials with Special Wettability toward Intelligent Oily Wastewater Remediation. ACS APPLIED MATERIALS & INTERFACES 2021; 13:67-87. [PMID: 33382588 DOI: 10.1021/acsami.0c18794] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Clean water resources are essential to our human society. Oil leakage has caused water contamination, which leads to serious shortage of clean water, environmental deterioration, and even increasing number of deaths. It is of great urgency to solve the oil-polluted water problems worldwide. Efficient oil/water separation, especially emulsified oil/water mixture separation, is widely used to mitigate water pollution issues. Recently, advanced materials with special wettability have been employed for oily wastewater remediation. Moreover, by endowing them with various intelligent functions, smart materials can effectively separate complex oil/water mixtures including extremely stable emulsions. In this review, oil/water separation mechanisms and various fabrication methods of special wettability separation materials are summarized. We highlight the special wettable materials with intelligent functions, including photocatalytic, self-healing, and switchable oil/water separation materials, which can achieve self-cleaning, self-healing, and efficient oily wastewater treatment. In each section, the acting mechanisms, fabricating technologies, representative studies, and separation efficiency are briefly introduced. Lastly, the challenges and outlook for oil/water separation based on the special wettability materials are discussed.
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Affiliation(s)
- Weiwei Zheng
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China
| | - Jianying Huang
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China
| | - Shuhui Li
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, P. R. China
| | - Mingzheng Ge
- School of Textile & Clothing, National & Local Joint Engineering Research Center of Technical Fiber Composites for Safety and Health, Nantong University, Nantong 226019, P. R. China
| | - Lin Teng
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China
| | - Zhong Chen
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore
| | - Yuekun Lai
- College of Chemical Engineering, Fuzhou University, Fuzhou 350116, P. R. China
- National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, P. R. China
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Superhydrophilic and underwater superoleophobic cement-coated mesh for oil/water separation by gravity. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.125338] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Liu W, Yang G, Huang M, Liang J, Zeng B, Fu C, Wu H. Ultrarobust and Biomimetic Hierarchically Macroporous Ceramic Membrane for Oil-Water Separation Templated by Emulsion-Assisted Self-Assembly Method. ACS APPLIED MATERIALS & INTERFACES 2020; 12:35555-35562. [PMID: 32610892 DOI: 10.1021/acsami.0c05294] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Reported herein is a novel ultrarobust and biomimetic hierarchically macroporous ceramic membrane that can achieve a high efficiency of up to 99.98% for oil-water separation, while the efficiency remains nearly unchanged even after 10 rounds of use and storage for up to 4 months. The macroporous ceramic membrane is prepared by combining surface hydrophobic coating with an emulsion-assisted template self-assembly of the modified Al2O3 ceramic powder. The as-prepared ceramic membrane is a lightweight material with high strength because the relative density is only ∼1.02 g/cm3; the compressive strength of the as-prepared ceramic membrane is expected to be 15-fold higher than that of the sample prepared using the traditional solid template approach even at a higher porosity due to the principle of self-assembly of Al2O3 particles. It is the mechanism of self-assembly that has broken the traditional principle in ceramic preparation that leads to a perfectly dense packing structure. Moreover, the ceramic membrane maintained excellent oil-water separation efficiency, because of which even after its top layer was damaged by sand impingement, superfine particles could be separated using our macroporous membrane due to the featured interconnected pore structure. We anticipate that this example of the combination of a superwettability theory and a traditional ceramic material can provide an important application direction of advanced oil-water separation techniques.
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Affiliation(s)
- Wei Liu
- School of Mechatronic Engineering, Guangdong Polytechnic Normal University, Guangzhou 510635, China
- School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Gao Yang
- School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Meipeng Huang
- School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Jianwei Liang
- School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Baobao Zeng
- School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Chong Fu
- School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
| | - Haidong Wu
- School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510006, China
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