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Yan Z, Zhang L, Sang Y, Li D, Wang J, Wang J, Zhang Y. Polymer carbon nitride nanosheet-based lamellar membranes inspired by "couple hardness with softness" for ultrafast molecular separation in organic solvents. MATERIALS HORIZONS 2024; 11:923-929. [PMID: 38180454 DOI: 10.1039/d3mh01571h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2024]
Abstract
Membranes with ultrafast molecular separation ability in organic solvents can offer unprecedented opportunities for efficient and low-cost solvent recovery in industry. Herein, a graphene-like polymer carbon nitride nanosheet (PCNN) with a low-friction surface was applied as the main membrane building block to boost the ultrafast transport of the solvent. Meanwhile, inspired by the concept of "couple hardness with softness", soft and flexible graphene oxide (GO) was chosen to fix the random stack of the rigid PCNN and tailor the lamellar structure of the PCNN membrane. The optimal PCNN/GO lamellar membrane shows a remarkable methanol permeance of 435.5 L m-2 h-1 bar-1 (four times higher than that of the GO membrane) while maintaining a high rejection for reactive black (RB, 98.9% in ethanol). Molecular dynamics simulations were conducted to elucidate the ultrafast transport mechanism of the PCNN/GO membrane. This study reveals that PCNN is a promising building block for lamellar membranes and may open up new avenues for high-performance molecular separation membranes.
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Affiliation(s)
- Zhipeng Yan
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, People's Republic of China.
| | - Liuqian Zhang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, People's Republic of China.
| | - Yudong Sang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, People's Republic of China.
| | - Dongyang Li
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, People's Republic of China.
| | - Jingtao Wang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, People's Republic of China.
| | - Jing Wang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, People's Republic of China.
| | - Yatao Zhang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, People's Republic of China.
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Liu L, Du J, Yao A, Song Z, Sun Q, He W, Guan J, Liu J. Covalent Organic Network Membranes with Tunable Nanoarchitectonics from Macrocycle Building Blocks for Graded Molecular Sieving. ACS APPLIED MATERIALS & INTERFACES 2024; 16:4283-4294. [PMID: 38206114 DOI: 10.1021/acsami.3c17579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
Traditional piperazine-based polyamide membranes usually suffer from the intrinsic trade-off relationship between selectivity and permeance. The development of macrocycle membranes with customized nanoscale pores is expected to address this challenge. Herein, we introduce 1,4-diazacyclohexane (2N), 1,4,7-triazacyclononane (3N), and 1,4,8,11-tetraazacyclotetradecane (4N) as molecular building blocks to construct the nanoarchitectonics of polyamide membranes prepared from interfacial polymerization (IP). The permeance of covalent organic network membranes follows the trend of 4N-TMC > 3N-TMC > 2N-TMC, while the molecular weight cutoff (MWCO) also follows the same trend of 4N-TMC > 3N-TMC > 2N-TMC, according to their nanopore size of the membranes. The microporosity, orientation, and surface chemistry of covalent organic network membranes can be rationally designed by macrocycle building units. The ordered nanoarchitectonics allows the membranes to attain an excellent performance in graded molecular sieving. Importantly, the novel covalent organic network membranes with tunable nanoarchitectonics prepared from macrocycle building units exhibited high water permeance (32.5 LMH/bar) and retained long-term stability after 100 h of test and bovine serum albumin fouling. These results reveal the enormous potential of 3N-TMC and 4N-TMC membranes in saline textile wastewater treatments and precise molecular sieving.
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Affiliation(s)
- Linghao Liu
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Jingcheng Du
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Ayan Yao
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Ziye Song
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Qian Sun
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Wen He
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Jian Guan
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
| | - Jiangtao Liu
- Department of Environmental Science and Engineering, University of Science and Technology of China, Hefei 230052, China
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Chen Z, He Q, Deng X, Peng J, Du K, Sun Y. Engineering solid nanochannels with macrocyclic host-guest chemistry for stimuli responses and molecular separations. Chem Commun (Camb) 2023; 59:1907-1916. [PMID: 36688813 DOI: 10.1039/d2cc06562b] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
Biological channels in the cell membrane play a critical role in the regulation of signal transduction and transmembrane transport. Researchers have been committed to building biomimetic nanochannels to imitate the above significant biological processes. Unlike the fragile feature of biological channels, numerous solid nanochannels have aroused extensive interests for their controllable chemical properties on the surface and superior mechanical properties. Surface functionalization has been confirmed to be vital to determine the properties of solid nanochannels. Macrocyclic hosts (e.g., the crown ethers, cyclodextrins, calix[n]arenes, cucurbit[n]urils, pillar[n]arenes, and trianglamine) can be tailored to the interior surface of the nanochannels with the performance of stimuli response and separation. Macrocycles have good reversibility and high selectivity toward specific ions or molecules, promoting functionalies of solid nanochannels. Hence, the combination of macrocyclic hosts and solid nanochannels is conducive to taking both advantages and achieving applications in functional nanochannels (e.g., membranes separations, biosensors, and smart devices). In this review, the most recent advances in nanochannel membranes decorated by macrocyclic host-guest chemistry are briefed. A variety of macrocyclic hosts-based responsive nanochannels are organized (e.g., the physical stimuli and specific molecules or ions stimuli) and nanochannels are separated (e.g., water purifications, enantimerseparations, and organic solvent nanofiltration), respectively. Hopefully, this review can enlighten on how to effectively build functional nanochannels and facilitate their practical applications in membrane separations.
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Affiliation(s)
- Zhao Chen
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, P. R. China
| | - Qiang He
- Hubei Key Laboratory of Catalysis and Materials Science, College of Chemistry and Material Sciences, South-Central University for Nationalities, Wuhan, 430074, China
| | - Xiaowen Deng
- Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, P. R. China
| | - Jiehai Peng
- School of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China.
| | - Kui Du
- School of Chemistry and Chemical Engineering, Shaoxing University, Shaoxing 312000, China.
| | - Yue Sun
- State Key Laboratory of Separation Membrane and Membrane Process & Tianjin Key Laboratory of Green Chemical Technology and Process Engineering, School of Chemistry, Tiangong University, Tianjin 300387, China.
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Zhang Z, Fan K, Liu Y, Xia S. A review on polyester and polyester-amide thin film composite nanofiltration membranes: Synthesis, characteristics and applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 858:159922. [PMID: 36336064 DOI: 10.1016/j.scitotenv.2022.159922] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 10/12/2022] [Accepted: 10/30/2022] [Indexed: 06/16/2023]
Abstract
Nanofiltration (NF) membranes have been widely used in various fields including water treatment and other separation processes, while conventional thin film composite (TFC) membranes with polyamide (PA) selective layers suffer the problems of fouling and chlorine intolerance. Due to the abundant hydrophilic hydroxyl groups and ester bonds free from chlorine attack, the TFC membranes composed of polyester (PE) or polyester-amide (PEA) selective layers have been proven to possess enhanced anti-fouling properties and superior chlorine resistance. In this review, the research progress of PE and PEA nanofiltration membranes is systematically summarized according to the variety of hydroxyl-containing monomers for membrane fabrication by the interfacial polymerization (IP) reaction. The synthesis strategies as well as the mechanisms for tailoring properties and performance of PE and PEA membranes are analyzed, and the membrane application advantages are demonstrated. Moreover, current challenges and future perspectives of the development of PE and PEA nanofiltration membranes are proposed. This review can offer guidance for designing high-performance PE and PEA membranes, thereby further promoting the efficacy of nanofiltration.
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Affiliation(s)
- Ziyan Zhang
- State Key Laboratory of Pollution Control and Resources Reuse, Advanced Membrane Technology Center, Tongji University, Shanghai 200092, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, China
| | - Kaiming Fan
- State Key Laboratory of Pollution Control and Resources Reuse, Advanced Membrane Technology Center, Tongji University, Shanghai 200092, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, China
| | - Yanling Liu
- State Key Laboratory of Pollution Control and Resources Reuse, Advanced Membrane Technology Center, Tongji University, Shanghai 200092, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, China.
| | - Shengji Xia
- State Key Laboratory of Pollution Control and Resources Reuse, Advanced Membrane Technology Center, Tongji University, Shanghai 200092, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, China.
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Rigid twisted structured PA membranes for organic solvent nanofiltration via co-solvent assisted interfacial polymerization. J Memb Sci 2022. [DOI: 10.1016/j.memsci.2022.121179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Preparation of microporous organic solvent nanofiltration (OSN) composite membrane from a novel tris-phenol monomer. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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