Article
Engineering, Environmental
Kaixing Fu, Xia Liu, Chunyu Lv, Jinming Luo, Mingxing Sun, Shenglian Luo, John C. Crittenden
Summary: This study developed a thiol-laced metal-organic framework (MOF)-based sponge monolith (TLMSM) as a point-of-use (POU) device for efficient removal of mercury (Hg). The TLMSM exhibited high adsorption capacity, fast kinetics, broad pH range, and excellent regeneration capability. It performed well in various real water matrices and showed great potential as POU devices. The adsorption complexes formed during the process were systematically investigated, revealing the working mechanism of the material.
ENVIRONMENTAL SCIENCE & TECHNOLOGY
(2022)
Article
Engineering, Environmental
Chen Wang, Chao Xiong, Yali He, Chen Yang, Xiteng Li, Jianzhong Zheng, Shixing Wang
Summary: A novel magnetic Zr-MOF material named Ni0.6Fe2.4O4-UiO-66-PEI was synthesized for the sorption of heavy metals Pb(II) and Cr(VI) in water. The material showed good thermal stability and magnetic properties, with fast sorption kinetics following the pseudo-second-order model. It exhibited good selectivity for competing ions and held fairly good binding capacities after multiple regenerations, making it a green and environmentally-friendly option for heavy metals removal.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Multidisciplinary
Valeria B. Lopez-Cervantes, Dae Won Kim, Juan L. Obeso, Eva Martinez-Ahumada, Yoarhy A. Amador-Sanchez, Eli Sanchez-Gonzalez, Carolina Leyva, Chang Seop Hong, Ilich A. Ibarra, Diego Solis-Ibarra
Summary: The MOF-type Ni-2(dobpdc) exhibits high chemical stability towards SO2, high capacity for low-pressure SO2 capture, and exceptional cycling performance. Fluorescence experiments demonstrate the remarkable SO2 detection selectivity of Ni-2(dobpdc). Time-resolved photoluminescence experiments provide a plausible mechanism of SO2 detection by this Ni(ii)-based MOF material.
Article
Engineering, Environmental
Baihui Wang, Yingnan Ma, Weifeng Xu, Kewen Tang
Summary: A novel S,N-rich MOF synthesized via solvothermal method was used for gold recovery. The pH, kinetics, isotherms, thermodynamics, selectivity, and reusability were investigated. The mechanism of adsorption and desorption was comprehensively explored. The MOF exhibited exceptional adsorption capacity and selectivity, with fast kinetics and maintained high removal efficiency after repeated cycles. This study provides an efficient adsorbent for gold recovery and guidance for designing new materials.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Chemistry, Physical
Ling Zhang, Jinghua Zhang, Xinglin Li, Cuijie Wang, Ajuan Yu, Shusheng Zhang, Gangfeng Ouyang, Yuanyuan Cui
Summary: A porous core-shell copper hydroxy sulfate@metal-organic framework with surface decoration of 2,5-dimercapto1,3,4-thiadiazol was synthesized for the capture of Hg2+ using a self-template strategy, exhibiting superior adsorption capacity and selectivity. The adsorption behavior followed the Langmuir adsorption model, with a maximum adsorption capacity of 627.6 mg g(-1) for Hg2+ removal, and rapid capture of 99.96% Hg2+ within 10 minutes. XPS and Raman spectra confirmed the selective and strong interaction between Hg2+ and the functional groups on the modified MOF adsorbent.
APPLIED SURFACE SCIENCE
(2021)
Review
Environmental Sciences
Lata Rani, Arun Lal Srivastav, Jyotsna Kaushal, Dericks P. Shukla, Tien Duc Pham, Eric D. van Hullebusch
Summary: This paper provides a detailed discussion on the sources of uranium in the water environment, its effects on human health, as well as the application and mechanisms of metal-organic frameworks (MOFs) as adsorbents for uranium removal. MOFs, with their high surface area and porosity, are considered promising adsorbents for removing uranium from contaminated water.
ENVIRONMENTAL RESEARCH
(2023)
Article
Chemistry, Physical
Yingbi Chen, Jiali Tang, Shixing Wang, Libo Zhang
Summary: In this study, a novel Zr-based MOF (DONA-MOF) was synthesized and its adsorption performance was systematically evaluated. Results showed that DONA-MOF had excellent removal effect on Au(III) through monolayer chemisorption. Additionally, DONA-MOF exhibited remarkable adsorption capacity and selectivity, and maintained good removal effect after multiple cycles.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Chemistry, Multidisciplinary
Somnath Sengupta, Madhusmita Sahoo, V. Venkata Sravani, B. Sreenivasulu, C. V. S. Brahmananda Rao, A. Suresh
Summary: Recovery of palladium from high level liquid waste is necessary for industries and safe management of nuclear waste. The use of metal organic frameworks (MOFs) offers viable options for efficient extraction of palladium. In this study, two newly functionalized MOFs, UiO-66-dithizone and UiO-66-phenylenediamine, were synthesized from UiO-66-NH(2) via post-synthetic modification (PSM). These MOFs showed improved sorption behavior for Pd(ii) compared to the parent MOF, with UiO-66-dithizone exhibiting the highest sorption capacity at pH 5.
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Engineering, Environmental
Liuzhou Chen, Kun Wu, Mohe Zhang, Nengsheng Liu, Chenxi Li, Jiangzhou Qin, Quanlin Zhao, Zhengfang Ye
Summary: A novel chitosan resin microsphere (CDCR) adsorbent synthesized by secondary crosslinking and carbon disulfide modification was tested for its effectiveness in recovering palladium from wastewater. The physicochemical properties and adsorption mechanism of CDCR were studied using various techniques. Results showed a saturated adsorption capacity of 204.34 mg/g, with the adsorption process following the pseudo-second-order kinetic model and Freundlich model. The reaction between CDCR and Pd(II) was found to be a spontaneous endothermic process. CDCR exhibited good reusability and selectivity towards Pd(II) adsorption, primarily attributed to electrostatic interactions and complexation.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Unnati Patel, Bhavesh Parmar, Parth Patel, Abhishek Dadhania, Eringathodi Suresh
Summary: Two mixed ligand MOFs with identical two-dimensional network topology were synthesized and characterized, showing potential for efficient dye adsorption and catalytic applications. ADES-1 demonstrated rapid and efficient adsorption of various dye molecules, with a preference for methyl violet, and also showed good stability and reusability for potential functional material applications.
MATERIALS CHEMISTRY FRONTIERS
(2021)
Article
Engineering, Chemical
Rui Han, Min Zhao, Xiaodong Li, Shihai Cui, Jing Yang
Summary: Novel porous carbon nanocomposites derived from the carbonization of PVP-doped MOF-199 were successfully prepared for adsorptive removal of oxytetracycline. The product with a pyrolysis temperature of 300 degrees C showed the best adsorption effect. The interactions among pH, Ca2+ strength, humic acid, and OTC concentration were studied, and the adsorption mechanisms were determined to involve electrostatic force, pore adsorption, metal-organic complexation, hydrogen bonding, and 7C-7C interaction/stacking.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Multidisciplinary
Jun Li, Shuang Song, Jiashen Meng, Lei Tan, Xiangmei Liu, Yufeng Zheng, Zhaoyang Li, Kelvin Wai Kwok Yeung, Zhenduo Cui, Yanqin Liang, Shengli Zhu, Xingcai Zhang, Shuilin Wu
Summary: A novel ointment containing 2D MOF nanosheets is designed with enhanced photocatalytic activity, showing strong antimicrobial properties against various oral pathogens. This heterostructure exhibits broad-spectrum antimicrobial activity and superior therapeutic effects, including rapid antibacterial activity, alleviation of inflammation, and improved angiogenesis.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Article
Materials Science, Multidisciplinary
Zhuo Wang, Su Bin Kang, Sung Wook Won
Summary: PEI-crosslinked chitin biosorbent showed efficient adsorption performance for recovering Pd(II) from acid solution, achieving adsorption equilibrium within 30 minutes for Pd(II) concentrations of 50-200 mg/L. The biosorbent demonstrated good reusability after up to three adsorption-desorption cycles.
Article
Environmental Sciences
Humaira Gul Zaman, Lavania Baloo, Shamsul Rahman Kutty, Khalid Aziz, Muhammad Altaf, Aniqa Ashraf, Faissal Aziz
Summary: Heavy metal contamination has become a global issue, necessitating the removal of metals from water bodies. This study introduces a composite material (chitosan-UiO-66-glycidyl methacrylate MOF) with excellent adsorption properties for Pb(II) ions. The Langmuir model fits well with the adsorption data, and the composite demonstrates high thermal stability and recyclability, making it a sustainable adsorbent for metal recovery.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Yijing Xu, Hongmei Tang, Pingxiao Wu, Meiqing Chen, Zhongbo Shang, Jiayan Wu, Nengwu Zhu
Summary: The serious pollution of water by lead (Pb(II)) and cadmium (Cd(II)) poses a significant threat to ecological safety and requires urgent solutions. In order to improve the adsorption performance of pure hydroxyapatite, which has a relatively low adsorption rate for heavy metals, a series of manganese-doped hydroxyapatites (MnHAPs) were prepared. The presence of manganese influenced the formation and growth of hydroxyapatite crystals, resulting in lattice distortion and a large number of lattice defects. MnHAP-10, with a Mn/(Ca +Mn) molar ratio of 10%, exhibited the most effective removal of Pb(II) and Cd(II), with adsorption capacities of 1806.09 mg g-1 for Pb(II) at pH = 5 and 176.88 mg g-1 for Cd(II) at pH = 5.5. The adsorption behavior and mechanism were further investigated, indicating that Pb(II) was immobilized mainly through dissolution precipitation and ion exchange, while Cd(II) was adsorbed by ion exchange and electrostatic interaction. In conclusion, MnHAP-10 has great potential as an effective adsorbent for the removal of Pb(II) and Cd(II) pollution.
Article
Engineering, Environmental
Xinping Zhang, Yuxin Guo, Xiaoyang Liu, Shun-Yu Wu, Ya-Xuan Zhu, Shao-Zhe Wang, Qiu-Yi Duan, Ke-Fei Xu, Zi-Heng Li, Xiao-Yu Zhu, Guang-Yu Pan, Fu-Gen Wu
Summary: This study develops a nanotrigger HCFT for simultaneous photodynamic therapy and light-triggered ferroptosis therapy. The nanotrigger can relieve tumor hypoxia, induce enhanced photodynamic reaction, and facilitate the continuation of Fenton reaction, ultimately leading to lethal ferroptosis in tumor cells.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Olumide Bolarinwa Ayodele, Toyin Daniel Shittu, Olayinka S. Togunwa, Dan Yu, Zhen-Yu Tian
Summary: This study focused on the semihydrogenation of acetylene in an ethylene-rich stream using two alloyed Pt catalysts PtCu and PtCo. The PtCu catalyst showed higher activity and ethylene yield compared to PtCo due to its higher unoccupied Pt d-orbital density. This indicates that alloying Pt with Cu is more promising for industrial relevant SHA catalyst.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Guowei Chen, Wen-Cheng Chen, Yaozu Su, Ruicheng Wang, Jia-Ming Jin, Hui Liang, Bingxue Tan, Dehua Hu, Shaomin Ji, Hao-Li Zhang, Yanping Huo, Yuguang Ma
Summary: This study proposes an intramolecular dual-locking design for organic luminescent materials, achieving high luminescence efficiency and performance for deep-blue organic light-emitting diodes. The material also exhibits unique mechanochromic luminescence behavior and strong fatigue resistance.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Joren van Stee, Gregory Hermans, Jinu Joseph John, Koen Binnemans, Tom Van Gerven
Summary: This work presents a continuous solvent extraction method for the separation of cobalt and nickel in a millifluidic system using Cyphos IL 101 (C101) as the extractant. The optimal conditions for extraction performance and solvent properties were determined by investigating the effects of channel length, flow rate, and temperature. The performance of a developed manifold structure was compared to a single-channel system, and excellent separation results were achieved. The continuous separation process using the manifold structure resulted in high purity cobalt and nickel products.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Yan Xu, Jingai Jiang, Xinyi Lv, Hui Li, Dongliang Yang, Wenjun Wang, Yanling Hu, Longcai Liu, Xiaochen Dong, Yu Cai
Summary: A programmed gas release nanoparticle was developed to address the challenges in treating diabetic infected wounds. It effectively removes drug-resistant pathogens and remodels the wound microenvironment using NO and H2S. The nanoparticle can eliminate bacteria and promote wound healing through antibacterial and anti-inflammatory effects.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Tong Xia, Zhilin Xi, Lianquan Suo, Chen Wang
Summary: This study investigated a highly efficient coal dust suppressant with low initial viscosity and high adhesion-solidification properties. The results demonstrated that the dust suppressant formed a network of multiple hydrogen bonding cross-linking and achieved effective adhesion and solidification of coal dust through various chemical reactions.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Jinzhi Cai, Zhenshan Li
Summary: A density functional theory-based rate equation was developed to predict the gas-solid reaction kinetics of CaO carbonation with CO2 in calcium looping. The negative activation energy of CaO carbonation close to equilibrium was accurately predicted through experimental validation.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Jianxiong Chen, Fuhao Ren, Ningning Yin, Jie Mao
Summary: This study presents an economically efficient and easily implementable surface modification approach to enhance the high-temperature electrical insulation and energy storage performance of polymer dielectrics. The self-assembly of high-insulation-performance boron nitride nanosheets (BNNS) on the film surface through electrostatic interactions effectively impedes charge injection from electrodes while promoting charge dissipation and heat transfer.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Zijian Li, Zhaohui Yang, Shao Wang, Hongxia Luo, Zhimin Xue, Zhenghui Liu, Tiancheng Mu
Summary: This study reports a strategy for upgrading polyester plastics into value-added chemicals using electrocatalytic methods. By inducing the targeted transfer of *OH species, polyethylene terephthalate was successfully upgraded into potassium diformate with high purity. This work not only develops an excellent electrocatalyst, but also provides guidance for the design of medium entropy metal oxides.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Navneet Singh Shekhawat, Surendra Kumar Patra, Ashok Kumar Patra, Bamaprasad Bag
Summary: This study primarily focuses on developing a sulphur dyeing process at room temperature using bacterial Lysate, which is environmentally friendly, energy and cost effective, and sustainable. The process shows promising improvements in dye uptake and fastness properties.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Dengjia Shen, Hongyang Ma, Madani Khan, Benjamin S. Hsiao
Summary: This study developed cationic PVC nanofibrous membranes with high filtration and adsorption capability for the removal of bacteria and hexavalent chromium ions from wastewater. The membranes demonstrated remarkable performance in terms of filtration efficiency and maximum adsorption capacity. Additionally, modified nanofibrous membranes were produced using recycled materials and showed excellent retention rates in dynamic adsorption processes.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Xiaoyan Wang, Zhikun Wang, Ben Jia, Chunling Li, Shuangqing Sun, Songqing Hu
Summary: Inspired by photosystem II, self-supported Fe-doped NiCoP nanowire arrays modified with carboxylate were constructed to boost industrial-level overall water splitting by employing the concerted proton-coupled electron transfer mechanism. The introduction of Fe and carboxyl ligand led to improved catalytic activity for HER and OER, and NCFCP@NF exhibited long-term durability for overall water splitting.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Pengyao Yu, Ge Yang, Yongming Chai, Lubomira Tosheva, Chunzheng Wang, Heqing Jiang, Chenguang Liu, Hailing Guo
Summary: Thin LTA zeolite membranes were prepared through secondary growth of nano LTA seeds in a highly reactive gel, resulting in membranes with superior permeability and selectivity in gas separation applications.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Baiqin Zhou, Huiping Li, Ziyu Wang, Hui Huang, Yujun Wang, Ruichun Yang, Ranran Huo, Xiaoyan Xu, Ting Zhou, Xiaochen Dong
Summary: The use of machine learning to predict the performance of specific adsorbents in phosphate adsorption shows great promise in saving time and revealing underlying mechanisms. However, the small size of the dataset and insufficient detailed information limits the model training process and the accuracy of results. To address this, the study employs a fuzzing strategy that replaces detailed numeric information with descriptive text messages on the physiochemical properties of adsorbents. This strategy allows the recovery of discarded samples with limited information, leading to accurate prediction of adsorption amount, capacity, and kinetics. The study also finds that phosphate uptake by adsorbents is generally through physisorption, with some involvement of chemisorption. The framework established in this study provides a practical approach for quickly predicting phosphate adsorption performance in urgent scenarios, using easily accessible information.
CHEMICAL ENGINEERING JOURNAL
(2024)
Article
Engineering, Environmental
Paula Alejandra Lamprea Pineda, Joren Bruneel, Kristof Demeestere, Lisa Deraedt, Tex Goetschalckx, Herman Van Langenhove, Christophe Walgraeve
Summary: This study evaluates the use of four esterified fatty acids and three vegetable oils as absorption liquids for hydrophobic VOCs. The experimental results show that isopropyl myristate is the most efficient liquid for absorbing the target VOCs.
CHEMICAL ENGINEERING JOURNAL
(2024)