Article
Engineering, Chemical
Yanchao Xu, Yirong Xiao, Wentian Zhang, Hongjun Lin, Liguo Shen, Renjie Li, Yang Jiao, Bao-Qiang Liao
Summary: A ZIF-8 membrane was successfully fabricated using plant polyphenol tannic acid as an intermediate layer, overcoming the grain boundary defects and intercrystalline cracks in MOF thin film. The membrane showed superior performance in both permeability and selectivity compared to the controlled ZIF-8 membrane without the intermediate layer, demonstrating great potential for efficient desalination applications.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Article
Engineering, Chemical
Muayad Al-Shaeli, Stefan J. D. Smith, Shanxue Jiang, Huanting Wang, Kaisong Zhang, Bradley P. Ladewig
Summary: The study demonstrates that adding MOFs to PES matrix can enhance the performance of mixed matrix membranes, including increased flux and improved fouling resistance. MMMs with UiO-66 and UiO-66-NH2 exhibit higher stability and good resistance to protein adsorption after immersion in water for several months.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Article
Engineering, Environmental
H. Sanawar, L. H. Kim, N. M. Farhat, M. C. M. van Loosdrecht, J. S. Vrouwenvelder
Summary: Biofouling is a major issue in reverse osmosis (RO) plants, and the use of concentrated urea as a chemical cleaning agent has been shown to be more effective than traditional cleaning methods involving NaOH and HCl. Urea is able to solubilize proteinaceous foulants and weaken the EPS layer, leading to enhanced biomass removal from RO membrane systems without causing damage to the membranes. Additionally, urea cleaning does not select for key biofouling families such as Sphingomonadaceae and Xanthomonadaceae, making it a desirable and environmentally friendly cleaning agent.
Article
Engineering, Chemical
Xinjian Tang, Wenxiu Hu, Xiaoxue Ke, Yuming Zheng, Qingchun Ge
Summary: In this study, a series of metal-ion modified polyamide membranes were synthesized, which showed improved antibacterial properties and desalination performance. The metal ions could destroy the bacterial phospholipid layer, enhancing the bactericidal efficacy. Moreover, the metal ions on the membrane surface could be regenerated by immersing the membranes in nitrate solutions. Additionally, the metal-ion treated membranes exhibited significantly increased water permeability and selectivity.
Article
Engineering, Chemical
Dejun Feng, Xianhui Li, Zhangxin Wang
Summary: Membrane wetting, fouling, and scaling are three challenges in membrane distillation (MD). This study compares an omniphobic membrane and a Janus membrane in MD experiments with different feeds, and elucidates their working mechanisms. Results show that both membranes can resist wetting but through different mechanisms. The omniphobic membrane is prone to oil fouling but exhibits excellent scaling resistance, while the Janus membrane can mitigate fouling but is susceptible to scaling.
JOURNAL OF MEMBRANE SCIENCE
(2022)
Article
Polymer Science
Y. Lukka Thuyavan, G. Arthanareeswaran, A. F. Ismail, P. S. Goh, M. Shankar, B. C. Ng, R. Sathish Kumar, K. Venkatesh
Summary: The study demonstrated that using polyethersulfone mixed matrix membranes incorporated with titania-based binary metal oxides can improve seawater pretreatment, increase water flux, and water recovery while exhibiting good hydrophilic properties and antibacterial activity, showing potential for future applications.
JOURNAL OF APPLIED POLYMER SCIENCE
(2021)
Article
Engineering, Chemical
Zhen Huang, Guang Yang, Jianhua Zhang, Stephen Gray, Zongli Xie
Summary: By preparing a thin hydrophilic AlFu MOF-doped PVA layer on top of a hydrophobic PTFE substrate layer, a dual-layer membrane with excellent anti-wetting property was obtained, showing high water vapor flux and salt rejection.
Article
Engineering, Chemical
Yirong Xiao, Wentian Zhang, Yang Jiao, Yanchao Xu, Hongjun Lin
Summary: The study successfully synthesized a ZIF-8 membrane by using a metal-phenolic network top layer on a polyethersulfone substrate. The optimized ZIF-8 membrane showed high pure water permeance and rejection rates, demonstrating potential applications in nanofiltration membrane separation.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Review
Engineering, Chemical
Shuaifei Zhao, Zhipeng Liao, Anthony Fane, Jiansheng Li, Chuyang Tang, Chunmiao Zheng, Jiuyang Lin, Lingxue Kong
Summary: This review analyzes the correlations between membrane properties and antifouling performance, evaluating three key strategies to engineer fouling resistant thin film composite RO membranes. Insights and future outlooks on strategies for engineering next generation of high performance RO membranes with durable fouling resistance are offered.
Article
Engineering, Environmental
Hojung Rho, Sung-Ju Im, Omar Alrehaili, Sungyun Lee, Am Jang, Francois Perreault, Paul Westerhoff
Summary: The new optimized UV technique improved membrane performance by inducing surface modification on PA membranes, enhancing water permeability and reducing organic fouling. UV-B treatment created carboxylic and amine groups on the membrane surface, increasing surface charge and hydrophilicity. UV-B did not alter structure, flux, or salt rejection, making it a promising approach for membrane modification and disinfection.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2021)
Article
Engineering, Chemical
Mohamad Rezi Abdul Hamid, Yutian Qian, Ruicong Wei, Zhen Li, Yichang Pan, Zhiping Lai, Hae-Kwon Jeong
Summary: Metal-organic frameworks (MOFs) membranes hold great research value in gas separations, with zeoliticimidazolate frameworks (ZIFs) being the most widely studied. Other MOF membranes have also been researched for hydrogen purification and carbon capture. Engineering challenges such as cost, design, stability, and reproducibility are key considerations for the industrial scale-up of MOF membranes.
JOURNAL OF MEMBRANE SCIENCE
(2021)
Article
Nanoscience & Nanotechnology
Prexa Shah, Youmin Hou, Hans-Juergen Butt, Michael Kappl
Summary: Membrane distillation (MD) is an important technique for brine desalination and wastewater treatment. Researchers have found that depositing a layer of polysiloxane nanofilaments on microporous membranes can increase the distillation rate and reduce membrane wetting and fouling. Compared to conventional hydrophobic membranes, these multiscale porous membranes exhibit superior fouling resistance and achieve higher distillation flux without the use of fluorinated compounds.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Engineering, Environmental
Xin Guan, Qun Li, Tusunniyaze Maimaiti, Suke Lan, Peng Ouyang, Bowei Ouyang, Xian Wu, Sheng-Tao Yang
Summary: MOF-199 exhibits toxicity and photosynthetic inhibitory properties towards pea plants, affecting seed germination and seedling growth, while increasing net photosynthetic rate but decreasing total photosynthetic capability. Additionally, the environmental hazards of MOF-199 particles are stronger than equivalent concentrations of Cu(NO3)(2), releasing Cu2+ and inducing oxidative stress.
JOURNAL OF HAZARDOUS MATERIALS
(2021)
Review
Engineering, Chemical
Silvia Raggam, Munirah Mohammad, Youngwoo Choo, Gayathri Naidu, Masoumeh Zargar, Ho Kyong Shon, Amir Razmjou
Summary: Lithium plays a vital role in energy storage for the transition to renewable energy. Various cost-effective and environmentally friendly methods of obtaining Lithium from primary and secondary sources are discussed. The development of novel MOF-based technologies for Lithium-ion extraction from aqueous sources is highlighted, with a focus on synthesis methods and performance evaluation. MOF-based membranes and adsorbents show high selectivity for Lithium ions, but face challenges in terms of water stability and fabrication methods. Future research should address these issues for commercialization in the industry.
SEPARATION AND PURIFICATION TECHNOLOGY
(2023)
Article
Chemistry, Physical
Yizhen Yu, Yinsha Wei, Bingzhi Li, Hongge Gao, Tingting Liu, Xinru Luan, Ri Qiu, Yibo Ouyang
Summary: In this study, a bioinspired liquid-infused surface coating based on metal organic frameworks is developed to protect copper from corrosion and biofouling. The coating exhibits high corrosion inhibition and biofouling inhibition efficiency, making it a promising solution for marine environments.
SURFACES AND INTERFACES
(2022)
Article
Polymer Science
Hadi Rouhi, Colton Duprey, Clint Cook, Emily Linn, Sarah Veres, George Chen, Ali Alshaikh, Yang Lu, Leigh Terry, Mark Elliott, Evan K. Wujcik
Summary: This study uses a superhydrophobic nanofiber mat to preconcentrate contaminants in water samples and detects them using a colorimetric reaction chemistry. The method can measure concentrations as low as 0.8 ppb, making it suitable for on-site evaluation of drinking water quality.
JOURNAL OF APPLIED POLYMER SCIENCE
(2023)
Article
Engineering, Environmental
Hesam Jafarian, Mostafa Dadashi Firouzjaei, Sadegh Aghapour Aktij, Amir Aghaei, Mohsen Pilevar Khomami, Mark Elliott, Evan K. Wujcik, Mohtada Sadrzadeh, Ahmad Rahimpour
Summary: This study fabricated novel NF membranes composed of graphene oxide (GO) and Zn-based metal-organic framework (ZIF-7) nanocomposites on a chitosan (CTS)-coated polyethersulfone (PES) substrate for the removal of dyes and organic contaminants. The results showed that the introduction of GO-ZIF-7 enhanced the hydrophilicity and dye removal rate of the membranes, and improved their antifouling and anti-biofouling performances.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Energy & Fuels
Fatemeh Shahi, Parviz Parvin, Seyedeh Zahra Mortazavi, Ali Reyhani, Mohtada Sadrzadeh, Ali Moafi, Mahdi Ebrahimi, Mohammadreza Aghaei
Summary: Nitrogen-doped molybdenum disulfide quantum dots (N-MoS2 QDs) were fabricated using the pulsed laser ablation process in liquid nitrogen as a dopant agent. The synthesis conditions were optimized using various techniques, and the resulting N-MoS2 QDs exhibited p-type properties.
Review
Chemistry, Multidisciplinary
Farzad Seidi, Ahmad Arabi Shamsabadi, Mostafa Dadashi Firouzjaei, Mark Elliott, Mohammad Reza Saeb, Yang Huang, Chengcheng Li, Huining Xiao, Babak Anasori
Summary: The excessive use of antibiotics has led to bacterial mutations and the emergence of antibiotic-resistant bacteria, necessitating the development of new antibacterial compounds. MXenes have shown great potential in biomedical applications due to their unique properties, such as multifarious elemental compositions, 2D-layered structure, large surface area, abundant surface terminations, and excellent photothermal and photoelectronic properties. This review focuses on the antibacterial application of MXenes and provides an overview of their synthesis strategies, as well as the factors affecting their biocidal activity. The mechanisms of bacterial deactivation by MXenes, such as rupturing the bacterial membrane, generating reactive oxygen species, and photothermal deactivation, are discussed in detail. The hybridization of MXenes with other materials can enhance their biocidal activities for various applications, such as wound dressings and water purification. The challenges and perspectives of MXene nanomaterials as biocidal agents are also presented.
Review
Chemistry, Multidisciplinary
Abouzar Azarafza, Muhammad Amirul Islam, Yekta Golpazirsorkheh, Irene Efteghar, Mohtada Sadrzadeh, Milad Kamkar, Arsalan Faghih Shojaei, Mohammad Younas, Tejraj M. Aminabhavi, Mashallah Rezakazemi
Summary: Biomimetic membranes, particularly protein-based ones synthesized by aquaporin, have attracted significant attention due to their high osmotic water permeability and excellent ability to remove small molecules. This review provides a comprehensive overview of the state-of-the-art aquaporin-based biomimetic membranes (ABMs), focusing on their synthesis, characterization, and performance as selective layers for water desalination. It also discusses the obstacles for their commercial viability in wastewater treatment and presents the potential applications of ABMs in various separation processes.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Mostafa Dadashi Firouzjaei, Srinivasa Kartik Nemani, Mohtada Sadrzadeh, Evan K. Wujcik, Mark Elliott, Babak Anasori
Summary: In this study, a life-cycle assessment (LCA) of MXenes was performed, revealing that electricity usage is the most significant factor contributing to environmental impacts, while chemical usage has a smaller impact. The results indicate that the synthesis of MXene can be made more sustainable by using renewable energy and recycled resources.
ADVANCED MATERIALS
(2023)
Article
Electrochemistry
Sajad Vafaeenezhad, Amir Reza Hanifi, Mark Cuglietta, Mohtada Sadrzadeh, Partha Sarkar, Thomas H. Etsell
Summary: This research compares the performance of a tubular fuel cell with a Ni-YSZ anode support containing 90 wt% NiO (approximately 82 vol.% Ni) with a cell containing the conventional Ni-YSZ support with 50 vol.% Ni. A tailored Ni-YSZ buffer layer was added to the Ni82 support layer to provide intermediate porosity and reduce thermal expansion mismatch. Both cells were tested using infiltrated Nd2NiO4+delta cathodes. The Ni82 cell achieved high peak power densities of 790 and 478 mW/cm² at 600 and 550 degrees Celsius, respectively, which were 25% and 87% higher than the performances of the conventional cell at respective temperatures. Furthermore, no degradation was observed during four redox cycles at 550 degrees Celsius, making this support a promising candidate for low-temperature solid oxide fuel cell applications.
Article
Nanoscience & Nanotechnology
Md Mizanul Haque Mizan, Pramod M. Gurave, Masoud Rastgar, Ahmad Rahimpour, Rajiv K. Srivastava, Mohtada Sadrzadeh
Summary: In this study, an eco-friendly and biodegradable electrospun membrane was successfully fabricated by blending polycaprolactone (PCL) with sulfonated kraft lignin (SKL) in acetic acid. The SKL-modified membranes exhibited superhydrophilicity, underwater superoleophobicity, excellent oil-fouling resistance, high separation efficiency, and good stability under harsh pH conditions.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Review
Chemistry, Multidisciplinary
Masoud Rastgar, Kazem Moradi, Cassie Burroughs, Arman Hemmati, Eric Hoek, Mohtada Sadrzadeh
Summary: Greenhouse gas emissions from fossil fuel combustion contribute greatly to climate change, accounting for 25% of global emissions. While renewable energy sources like wind and solar have become more cost-competitive, their intermittency poses a challenge. This study explores the potential of salinity gradient power, or blue energy, as a clean, uninterrupted source of base-load power generation.
Article
Engineering, Chemical
Pooria Karami, Md Mizanul Haque Mizan, Behnam Khorshidi, Sadegh Aghapour Aktij, Ahmad Rahimpour, Joao B. P. Soares, Mohtada Sadrzadeh
Summary: In this study, polyamide membranes with improved water permeability and thermal stability were synthesized for forward osmosis applications. The addition of a polydopamine/graphene oxide interlayer and modification of the chemical composition of the selective layer using TAP monomers resulted in membranes with decreased structural variations and increased resistance at higher temperatures.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2023)
Article
Engineering, Chemical
Alberto Tiraferri, Marco Malaguti, Madina Mohamed, Mattia Giagnorio, Fynn Jerome Aschmoneit
Summary: The development of membranes and membrane-based separation processes requires the standardization of protocols for membrane characterization and data analysis. This study proposes simplified equations for estimating water flux and salt permeability in pressure-driven processes using dense membranes. An experimental protocol for characterizing the transport properties of dense membranes is also presented and validated against the proposed equations. The proposed water flux equation is algebraic and does not require iteration, while the solute transport equation introduced in this study only requires bulk parameters.
Article
Engineering, Environmental
Lun Tian, Yushun Yang, Guijing Chen, Alberto Tiraferri, Baicang Liu
Summary: The cross-linking method was used to prepare a sodium alginate/hydrogen manganese oxide composite granular adsorbent for extracting lithium from shale gas wastewater. The adsorbent demonstrated excellent hydrophilicity and microporous structure, resulting in high lithium adsorption capacity and efficient recovery through desorption.
ACS ES&T ENGINEERING
(2023)
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)