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Mishra Y, Mishra V, Chattaraj A, Aljabali AAA, El-Tanani M, Farani MR, Huh YS, Serrano-Aroca Ã, Tambuwala MM. Carbon nanotube-wastewater treatment nexus: Where are we heading to? ENVIRONMENTAL RESEARCH 2023; 238:117088. [PMID: 37683781 DOI: 10.1016/j.envres.2023.117088] [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: 07/03/2023] [Revised: 08/11/2023] [Accepted: 09/05/2023] [Indexed: 09/10/2023]
Abstract
Water treatment is crucial in solving the rising people's appetite for water and global water shortages. Carbon nanotubes (CNTs) have considerable promise for water treatment because of their adjustable and distinctive arbitrary, physical, as well as chemical characteristics. This illustrates the benefits and risks of integrating CNT into the traditional water treatment resource. Due to their outstanding adsorbent ability and chemical and mechanical properties, CNTs have gained global consideration in environmental applications. The desalination and extraction capability of CNT were improved due to chemical or physical modifications in pure CNTs by various functional groups. The CNT-based composites have many benefits, such as antifouling performance, high selectivity, and increased water permeability. Nevertheless, their full-scale implementations are still constrained by their high costs. Functionalized CNTs and their promising nanocomposites to eliminate contaminants are advised for marketing and extensive water/wastewater treatment.
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Affiliation(s)
- Yachana Mishra
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Vijay Mishra
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, 144411, India.
| | - Aditi Chattaraj
- School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, 144411, India
| | - Alaa A A Aljabali
- Department of Pharmaceutics & Pharmaceutical Technology, Yarmouk University, Irbid, Jordan
| | - Mohamed El-Tanani
- College of Pharmacy, Ras Al Khaimah Medical and Health Sciences University, United Arab Emirates
| | - Marzieh Ramezani Farani
- NanoBio High-Tech Materials Research Center, Department of Biological Sciences and Bioengineering, Inha University, Incheon, 22212, Republic of Korea
| | - Yun Suk Huh
- NanoBio High-Tech Materials Research Center, Department of Biological Sciences and Bioengineering, Inha University, Incheon, 22212, Republic of Korea
| | - Ãngel Serrano-Aroca
- Biomaterials and Bioengineering Lab Translational Research Centre San Alberto Magno, Catholic University of Valencia San Vicente Mártir, Valencia, Spain
| | - Murtaza M Tambuwala
- Lincoln Medical School, University of Lincoln, Brayford Pool Campus, Lincoln, LN6 7TS, England, United Kingdom.
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Acauan LH, Wang H, Zheng Y, Liu M, Maruyama S, Xiang R, Wardle BL. Micro- and Macrostructures of Aligned Boron Nitride Nanotube Arrays. ACS NANO 2022; 16:18178-18186. [PMID: 36314378 DOI: 10.1021/acsnano.2c05229] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Boron nitride nanotubes (BNNTs) possess a broad range of applications because of several engineering-relevant properties, including high specific strength and stiffness, thermal stability, and transparency to visible light. The morphology of these nanoscale fibers must be controlled to maximize such properties, which can be achieved by synthesizing long aligned arrays of crystalline hexagonal boron nitride (hBN) nanotubes. Herein, we synthesize high-quality millimeter length, vertically aligned (VA-) BNNTs using free-standing carbon nanotube (CNT) arrays as scaffolds. In addition to high optical transparency of the VA-BNNTs, we also demonstrate several micro- and macrostructures of BNNTs via patterning and/or postprocessing of the arrays, including engineering of either disconnected or interconnected tubes in VA-, horizontally aligned (HA-), or coherently buckled BNNTs. The internanotube spacings and interconnections between aligned BNNT can thus be tailored to create BN macrostructures with complex shapes and advantaged morphologies for hierarchical materials and devices.
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Affiliation(s)
- Luiz H Acauan
- Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
| | - Haozhe Wang
- Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
| | - Yongjia Zheng
- Department of Mechanical Engineering, The University of Tokyo, Tokyo 113-8656, Japan
| | - Ming Liu
- Department of Mechanical Engineering, The University of Tokyo, Tokyo 113-8656, Japan
| | - Shigeo Maruyama
- Department of Mechanical Engineering, The University of Tokyo, Tokyo 113-8656, Japan
| | - Rong Xiang
- Department of Mechanical Engineering, The University of Tokyo, Tokyo 113-8656, Japan
| | - Brian L Wardle
- Department of Aeronautics and Astronautics, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
- Department of Mechanical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Ave., Cambridge, Massachusetts 02139, United States
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Yu L, Wang M, Li X, Hou X. Thermally responsive ionic transport system reinforced by aligned functional carbon nanotubes backbone. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.107785] [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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Amjad MU, Ahmed BA, Ahmed F, Saeed HA. Development and Characterization of Silver-Doped Multi-Walled Carbon Nanotube Membranes for Water Purification Applications. MEMBRANES 2022; 12:membranes12020179. [PMID: 35207100 PMCID: PMC8878314 DOI: 10.3390/membranes12020179] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 01/20/2022] [Accepted: 01/29/2022] [Indexed: 11/25/2022]
Abstract
A unique approach was utilized to develop multi-walled carbon nanotube (MWCNT) silver (Ag) membranes. MWCNTs were impregnated with 1 wt% Ag loading, which resulted in a homogeneous dispersion of Ag in MWCNTs. MWCNTs impregnated with Ag were then uniaxially compacted at two different pressures of 80 MPa and 120 MPa to form a compact membrane. Compacted membranes were then sintered at two different temperatures of 800 °C and 900 °C to bind Ag particles with MWCNTs as Ag particles also act as a welding agent for CNTs. The powder mixture was characterized by FESEM, thermogravimetric analysis, and XRD, while the developed samples were characterized by calculating the porosity of membrane samples, contact angle, water flux and a diametral compression test. The developed membranes showed overall large water flux, while maximum porosity was found to decrease as the compaction load and sintering temperature increased. The mechanical strength of the membranes was found to increase as the compaction load increased. The hydrophilicity of the membranes remained unchanged after the addition of Ag particles. The developed membranes would be useful for removing a variety of contaminants from water.
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