Article
Engineering, Chemical
Nan Li, Zhi Wang, Jixiao Wang
Summary: Developing facilitated transport membranes is a potential strategy for improving CO2 permeance and selectivity simultaneously. By tuning carrier mobility and enhancing water-swelling capacity, the reaction activity can be optimized to enhance CO2 separation performance. Thin-film composite membranes containing CMC chains show promise in tuning membrane structure and achieving high CO2/N-2 selectivity.
JOURNAL OF MEMBRANE SCIENCE
(2022)
Article
Materials Science, Multidisciplinary
Lijie Li, Muhammad Irshad Baig, Wiebe M. de Vos, Saskia Lindhoud
Summary: Natural polyelectrolytes were used to produce more sustainable APS membranes. The desired homogeneous casting solution was prepared by changing the solution pH and monomer ratio of polyelectrolytes. The membrane structure and properties could be tuned by changing the concentration and pH of the acetate buffer.
ACS APPLIED POLYMER MATERIALS
(2023)
Article
Engineering, Chemical
Andrea Torre-Celeizabal, Clara Casado-Coterillo, Ricardo Abejon, Aurora Garea
Summary: The use of biopolymers as membrane materials is a recent approach to reduce the environmental impact of CO2 separation processes. This study aims to simulate and optimize the separation of CO2 and CH4 using a simple multistage process with chitosan-based composite membrane. Economic evaluation showed that the lowest total cost was 0.3 euro (Nm3)-1 for a large plant.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Polymer Science
Ikuo Taniguchi, Kae Kinugasa, Mariko Toyoda, Koki Minezaki, Haruno Tanaka, Kanato Mitsuhara
Summary: The use of amines in membranes enhances CO2 separation performance, especially under humidity conditions. Polymeric membranes containing piperazine compounds demonstrate high efficiency in CO2 separation, with the performance depending on the chemical structure of the amines.
Article
Environmental Sciences
Qirun Li, Shanxue Jiang, Wenting Jia, Fang Wang, Zeru Wang, Xinyue Cao, Xianbao Shen, Zhiliang Yao
Summary: Novel biodegradable antibacterial membranes based on silver-modified carboxymethyl chitosan (Ag-CMCS) were prepared in this study. The membranes were characterized and showed effective antibacterial properties, killing almost 100% of bacteria under certain conditions. This research provides new ideas for the development of efficient and environmentally friendly antibacterial food packaging membranes.
Article
Materials Science, Textiles
Kainan Liu, Liqin Cao
Summary: Nylon mesh was designed to integrate with ZIF-67 to prepare mechanically stable composite membranes with excellent oil-water separation properties and oil absorption ability. The ZIF-67 content reached 22%, and the water contact angle significantly increased. After 15 oil absorption-drying cycles, the oil absorption ability remained above 95%.
FIBERS AND POLYMERS
(2021)
Article
Biochemistry & Molecular Biology
Kummara Madhusudana Rao, Kuncham Sudhakar, Maduru Suneetha, So Yeon Won, Sung Soo Han
Summary: Multifunctional blend membranes composed of PVA and F-CMCS have been successfully developed for wound dressing applications, exhibiting good antibacterial activity, biocompatibility, and hemolysis. The potential use of these membranes in wound care is highlighted by their comprehensive properties.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2021)
Article
Biochemistry & Molecular Biology
Adam Zajac, Wojciech Sasiadek, Lucyna Dyminska, Paulina Ropuszynska-Robak, Jerzy Hanuza, Maciej Ptak, Szymon Smolka, Radoslaw Lisiecki, Katarzyna Skrzypczak
Summary: Membranes were prepared by crosslinking chitosan with magnesium phytate, and the effectiveness of different chitosan derivatives in the crosslinking process was evaluated. The results showed that the O-carboxymethyl chitosan derivative exhibited the best crosslinking efficiency and the resulting films had good mechanical properties. The membranes were characterized as morphologically homogenous and uniform, making them suitable for packaging materials.
Article
Chemistry, Multidisciplinary
Fushi Wang, Weiwei Qiao, Weiting Guo, Zhiwen Li, Xinjie Cai
Summary: Peri-implant surgical site infection is a challenge in oral implant surgery. This study investigated the use of negatively charged carboxymethyl chitosan/gelatin composite membranes fabricated via anodic electrophoretic deposition to prevent peri-implantitis.
Article
Materials Science, Multidisciplinary
Asad Asad, Sadegh Aghapour Aktij, Pooria Karami, Dan Sameoto, Mohtada Sadrzadeh
Summary: This study successfully fabricated micropatterned thin-film composite (TFC) nanofiltration membranes through a two-step process, achieving a balance between high flux and high separation performance by modifying the membrane structure and increasing surface area.
ACS APPLIED POLYMER MATERIALS
(2021)
Article
Engineering, Chemical
Gholamreza Vahedi Sarrigani, Jia Ding, Amirali Ebrahimi Ghadi, David Alam, Paul Fitzgerald, Dianne E. Wiley, David K. Wang
Summary: This study investigates the application of tubular polyetherimide (PEI) membranes prepared by dip-coating and multilayer assembly techniques in CO2 and H2 transport and CO2/N2 and H2/N2 selectivity. The results show that the permeability and selectivity of the membranes depend on the deposition cycle during dip-coating. For binary gas mixture separation, 100% CO2 and H2 purity is achieved regardless of the feed gas concentration. The PEI membrane exhibits interfacial confinement phenomenon, and the subtle change in imide group conformation contributes to increased polymer amorphicity and exclusive H2 and CO2 transport.
JOURNAL OF MEMBRANE SCIENCE
(2022)
Article
Engineering, Chemical
Ting-Hsiang Hung, Xuepeng Deng, Qiang Lyu, Li-Chiang Lin, Dun-Yen Kang
Summary: The traditional method of identifying potential membrane materials based on comparing the aperture size of a membrane with the kinetic diameters of gases may fail for CO2 separations using metal-organic frameworks (MOFs). Coulombic interactions significantly influence the diffusion of CO2 in MOFs, causing the transport bottleneck of CO2 and other gases to be at different locations in studied MOF structures.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Article
Engineering, Chemical
Andrea Torre-Celeizabal, Clara Casado-Coterillo, Alicia Gomis-Berenguer, Jesus Iniesta, Aurora Garea
Summary: This study focuses on the mixed gas separation tests of composite membranes prepared from chitosan (CS) with the addition of non-toxic ionic liquid and inorganic fillers. The Zeolite 4A and NaETS-10-filled ILCS/PES membranes showed high CO2 permeance and separation factors, while the AM-4 titanosilicate-filled membranes had fabrication defects.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Engineering, Chemical
Mide Luo, Zong Lu, Yali Zhao, Yufei Wang, Yanying Wei, Haihui Wang
Summary: In this work, tubular 2D MXene membranes were successfully prepared on commercial porous stainless steel substrates via fast electrophoretic deposition. The prepared membranes showed advantages of simple operation, high membrane assembly efficiency, and ease for scale-up. These tubular MXene membranes exhibited excellent gas separation performance with high hydrogen permeance and selectivity. Importantly, this work provides valuable reference for the development of other 2D material-based membranes for future applications.
Article
Engineering, Chemical
Yang Han, W. S. Winston Ho
Summary: This review discusses the fundamentals of CO2/gas separation in polymeric membranes and explores the opportunities and challenges for various applications such as post-combustion carbon capture, hydrogen purification, and gas sweetening. It also highlights emerging polymeric membrane materials and promising candidates for CO2 separation applications, while comparing permeability-selectivity data against their upper bounds in 2008 and 2019.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Article
Polymer Science
Rajashree Borgohain, Bishnupada Mandal
JOURNAL OF APPLIED POLYMER SCIENCE
(2020)
Article
Chemistry, Physical
Pradip Das, Bishnupada Mandal, Sasidhar Gumma
APPLIED SURFACE SCIENCE
(2020)
Article
Polymer Science
Munmi Das, Bishnupada Mandal, Vimal Katiyar
JOURNAL OF APPLIED POLYMER SCIENCE
(2020)
Article
Thermodynamics
Sweta Balchandani, Bishnupada Mandal, Swapnil Dharaskar
FLUID PHASE EQUILIBRIA
(2020)
Article
Energy & Fuels
Anirban Dey, Bishnupada Mandal, Sukanta K. Dash
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2020)
Article
Nanoscience & Nanotechnology
Savan Kumar Sharma, Barun K. Sanfui, Aviti Katare, Bishnupada Mandal
ACS APPLIED MATERIALS & INTERFACES
(2020)
Article
Engineering, Chemical
Rajashree Borgohain, Bishnupada Mandal
JOURNAL OF MEMBRANE SCIENCE
(2020)
Article
Energy & Fuels
Anirban Dey, Sukanta Kumar Dash, Bishnupada Mandal
Article
Chemistry, Applied
Himali Horo, Srirupa Bhattacharyya, Bishnupada Mandal, Lal Mohan Kundu
Summary: Research demonstrates that functionalized silk coating can enhance cellular uptake of nanoparticles, making them potential drug delivery tools.
CARBOHYDRATE POLYMERS
(2021)
Article
Nanoscience & Nanotechnology
Pradip Das, Debarati Mukherjee, Bishnupada Mandal, Sasidhar Gumma
Summary: The study successfully synthesized a novel ternary composite and fabricated mixed matrix membranes with higher selectivity. Introducing noble metal nanoparticles and carbon 2D materials simultaneously into the MOF improved the proton conduction, demonstrating the potential to overcome challenges associated with direct methanol fuel cells.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Review
Chemistry, Applied
Rajashree Borgohain, Upamanyu Pattnaik, Babul Prasad, Bishnupada Mandal
Summary: Bio-based polymers, such as chitosan, offer promising advantages for gas separation membrane technology, including abundant renewable resources and reduced dependence on exhaustible fossil fuel sources. The critical study of the structure-property relationship of chitosan and its derivatives highlights potential for the design of novel bio-based membranes with improved gas permeation performance.
CARBOHYDRATE POLYMERS
(2021)
Article
Biotechnology & Applied Microbiology
Thangsei Nengneilhing Baite, Bishnupada Mandal, Mihir Kumar Purkait
Summary: In this study, gallic acid was efficiently extracted from Ficus auriculata leaves using ultrasound assisted extraction. The optimal conditions included using 50% methanol as the solvent, sonication bath for extraction, and 30 minutes at 50 degrees C. This water-based extraction method provides a valuable alternative to traditional organic solvent extraction methods.
FOOD AND BIOPRODUCTS PROCESSING
(2021)
Article
Engineering, Environmental
Pradip Das, Bishnupada Mandal, Sasidhar Gumma
Summary: This study involves the synthesis of amino acid grafted nanocomposites as proton exchange membranes for direct methanol fuel cells and assessing their selectivity. The results show significant improvement in blocking methanol and enhanced conductivity of the composite membrane after modification.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Biochemistry & Molecular Biology
Aviti Katare, Rajashree Borgohain, Babul Prasad, Bishnupada Mandal
Summary: Rubbery polymeric membranes with covalently conjugated L-tyrosine onto high molecular weight chitosan demonstrate good thermal stability, defect-free dense structure, and high CO2 permeance and selectivity, making them potential materials for CO2 capture.
Review
Energy & Fuels
Shraavya Rao, Babul Prasad, Yang Han, W. S. Winston Ho
Summary: Natural gas is a crucial source of hydrogen for a hydrogen-based economy, with the development of highly acidic sour gas wells set to change the gas processing industry. The trend towards low-quality sour gas wells is reflected in the research on membrane materials for natural gas purification. The cost implications of purification for natural gas also affect hydrogen production. This review provides an update on research regarding polymeric membranes for H2S removal and CO2 separation from natural gas used for hydrogen production.
Article
Engineering, Chemical
Yunfei Yu, Xue Yang, Chenchen Zhang, Jie Chen, Wei Lin, Jianqiang Meng
Summary: This study reports an environmentally friendly and simple approach for preparing double-network (DN) ion gel membranes with high strength and excellent gas separation performance. By optimizing crosslinking density, mass ratio, and the type and content of free ionic liquid, the mechanical and gas separation properties of the DN membrane are improved.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Si-qi Jiang, Qiang Gao, Xi-guang Li, Chao-zhu Deng, Jun Qiu, Xiang-nan Zhu
Summary: A dual-strengthening pretreatment method is proposed to remove PVDF more efficiently and enhance the leaching of LiCoO2. Experimental results show that dual-strengthening pretreatment can effectively remove PVDF and significantly improve the leaching efficiency compared to single pretreatment methods.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Zengchi Hu, Xiaoyu Wang, Xiaohui Zhang, Xue Li, Jiangbin Xia
Summary: The rapid fabrication of high-performance composite membranes based on CMPs using simple and low-cost methods is challenging. In this study, three CMPs-based composite membranes were rapidly fabricated with adjustable size using unidirectional diffusion synthesis. The microstructural design enhanced the rejection rates of the membranes and they showed strong hydrolytic resistance, thermal stability, and acid-base resistance. Electrostatic adsorption and the adjustable microstructures significantly varied the repellence of the membranes to different charged molecules.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Farzaneh Rouhani, Matineh Ayedi, Nasser Safari
Summary: Introducing defects into porous metal-organic frameworks is important for improving their adsorption performance. Quasi-MOFs, an underutilized variant of large-scale, fundamentally deficient MOFs, have been found to have substantial amounts of unsaturated metal sites to offset the drawbacks of MOFs. In this study, a quasi-MOF was produced using a water-stable MOF and demonstrated significantly improved phosphate adsorption capability due to the presence of defect sites.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Valentin Reungoat, Morad Chadni, Louis M. M. Mouterde, Fanny Brunissen, Florent Allais, Helene Ducatel, Irina Ioannou
Summary: This study focuses on the recovery of sinapic acid using liquid-liquid extraction assisted by a hollow fiber membrane contactor from an aqueous feed obtained through the hydrolysis of mustard bran. The screening of solvents of different chemical nature showed that all tested solvents had an extraction efficiency of more than 80% for pH < 5. Four solvents were selected for use in the hollow fiber membrane contactor, and the volatile solvents showed higher mass transfer coefficients compared to non-volatile solvents. The extraction efficiency was intensified by increasing the initial concentration of sinapic acid and the feed-to-solvent ratio. CPME was found to have optimal recovery efficiency at a phase ratio of 8:1, yielding 0.9 g of sinapic acid per liter of CPME used.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Takahiro Sakamoto, Takafumi Hanada, Hayate Sato, Mayu Kamisono, Masahiro Goto
Summary: The emergence of the battery society has led to a high demand for battery metals, resulting in a strain on their supply. This study introduces a novel technique using a hydrophobic deep eutectic solvent (DES) for leaching and recovering battery metals from low-grade nickel laterite ores. The DES enables selective leaching and recovery of the metals, offering a promising pathway for the extraction of critical battery metals.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Rongrong He, Jiarui Chen, Chunyao Zhang, Dan Lu, Lin Zhang, Tao He
Summary: Researcher has developed a method to quantify the charge density in nanofiltration (NF) membrane separation layer and applied it in NF membranes that can separate Mg2+ and Li+. The results showed that overcompensated amine groups played a major role, and there was a linear relationship between charge density and coating bi-layers or PAH layers.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Zhijian Zhang, Min Chen, Zhe Lin, Zhichao Yang, Yafeng Du, Zhihui Chen, Zhenhao Yang, Kongyin Zhao, Ligang Lin
Summary: Membrane technology plays an important role in molecular/ion separation processes, but faces challenges such as membrane fouling. This study introduces a new ion-crosslinking method to fabricate copper alginate hydrogel membranes with improved mechanical strength and antimicrobial capabilities. The membranes exhibit excellent separation performance and enhanced long-term molecule/ion separation through improved anti-swelling properties. Molecular dynamics simulations and life cycle analysis highlight the pore structure and environmental friendliness of the hydrogel membranes. These findings provide valuable insights for developing sustainable hydrogel membranes with stable performance and high separation efficiency.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Dongmei Liu, Aiying Guo, Yanling Qi, Zhixin Ji, Hongjuan Li, Zhiwei Zhang, Xinyue Zhang, Kunze Wu, Aijun Cai
Summary: In this study, a stable magnetic Mg/Mn-layered double oxide-doped biochar composite (MgMnLDO-MBC) was prepared and successfully used for the removal of antibiotics and bacteria from wastewater. The composite exhibited enhanced surface areas, adsorption sites, and free radicals, leading to improved catalytic activity. The effects of different factors on the removal efficiency were evaluated, and the composite showed good reusability.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Feng Wang, Zhaoyong Bian, Yaru Zhang, Wenchao Yu, Qiang Zhang, Hui Wang
Summary: In this study, a nanofibrous layered structure of Ff-Ti3C2Tx-Co3O4 was prepared by self-assembling nanofibrous Co3O4 with lamellar fluorine-free MXene (Ff-Ti3C2Tx). The Ff-Ti3C2Tx-Co3O4 exhibited excellent catalytic activity for degradation, resistant to ionic interference, and maintained high removal efficiency of sulfamethoxazole (SMX) in municipal wastewater. The rapid SMX degradation involved fast electron transfer in redox cycles with PMS and the generation of 1O2 via PMS ->center dot O2 -> 1O2. This work provides new insights into antibiotic degradation mechanisms and electron transfer based on PMS activation.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Weipeng He, Jiacheng Luo, Yujie Wu, Tianhao Luo, Chen Tang
Summary: This study comparatively evaluated the role of cationic, anionic, and nonionic polyacrylamides (PAMs) in ballasted flocculation of clay suspensions under different aluminum sulfate (AS) coagulant dosages. The selection of PAMs and AS dosage had a significant influence on the size and shear resistance of ballasted floc aggregates.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Lixian Wang, Lizhi Zhao, Didi Si, Zhixin Li, Huiqin An, Hui Ye, Qingping Xin, Hong Li, Yuzhong Zhang
Summary: Metalloporphyrin-based nanozymes integrated with poly (vinylidene fluoride) membrane show high catalytic activity and reusability for the decolorization of Congo Red dye in continuous flow process.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Yongfei Ma, Chenyu Zeng, Yongzhen Ding, Jiayi Tang, Ondrej Masek, Zhikang Deng, Rui Mu, Zulin Zhang
Summary: In this study, sludge-derived biochar (SBC) was functionalized with various iron salts to enhance its adsorption ability for sulfamethoxazole (SMX) and magnetic collection performance. Ball milling was further employed to treat the optimal iron salt functionalized SBC (MSBC), resulting in ball milled SBC (BMSBC) with improved adsorption performance for SMX. The dominant driving mechanism for SMX adsorption onto BMSBC was confirmed to be multiple physicochemical forces, including 7C-7C conjugation, pore filling, H-bonding, Fe-O complexation, and electrostatic interactions. BMSBC exhibited favorable adsorption ability for SMX in actual waters and could be easily collected within 1 min due to its magnetic sensitivity.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Jinglin Tan, Xiaohui Mao, Wenjihao Hu, Hongbo Zeng
Summary: This study investigates the influence of PDMS chain architectures on surface properties and reveals that PDMS coatings with looped structures exhibit superior hydrophobicity, self-cleaning, and water sliding compared to coatings with linear structures. Additionally, both looped and linear PDMS coated stainless steel mesh/polyester fibers show efficient separation of oil/water mixture.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)
Article
Engineering, Chemical
Wei-Liang Chen, Chih-Chia Cheng, Chien-Hsing Lu, Jem-Kun Chen
Summary: This study designs a novel sandwich-structured capacitor that reduces the absorption time of pollutants using dielectrophoresis force. By coating graphene oxide on polystyrene microspheres as adsorbents and encapsulating them within the capacitor, the adsorption rate is significantly enhanced. Additionally, frequency manipulation allows for the recycling of adsorbents and concentration of dyes, minimizing secondary pollution.
SEPARATION AND PURIFICATION TECHNOLOGY
(2024)