Article
Chemistry, Physical
Silvio Dantas, Katie Cychosz Struckhoff, Matthias Thommes, Alexander V. Neimark
Summary: The study introduces a new method for evaluating pore structures in carbon materials, using high-pressure CO2 adsorption isotherms to determine the pore size distribution in both micro- and mesopores. By utilizing Monte Carlo simulations and meso-canonical ensemble methods, capillary condensation transitions in mesopores were successfully predicted, demonstrating the feasibility of the technique in micro-mesoporous carbon materials.
Article
Chemistry, Analytical
Yuchen Jiang, Cong Ming, Shu Zhang, Mortaza Gholizadeh, Yi Wang, Song Hu, Jun Xiang, Xun Hu
Summary: The activation of biomass with H2O is more effective in generating pores, especially mesopores, compared to CO2. The presence of CO2 suppresses decarbonylation reactions, while H2O enhances cracking/gasification reactions of the biochar. Competitive adsorption of CO2 and H2O exists and CO2 hinders deoxygenation of the biochar with H2O. The activated carbon (AC) activated with H2O has better adsorption capability for phenol than that activated with CO2 or mixed H2O/CO2.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2023)
Article
Engineering, Environmental
Diogo Pimentel de Sa da Silva, David Clebson de Melo Silva, Thais Regina Silva Ribeiro, Julyane Rocha Santos Solano, Bruno Jose Barros da Silva, Sarah Arvelos Altino, Antonio Osimar Sousa da Silva
Summary: This study evaluated the effects of carbon chain size and crystallization temperature on the properties of mesoporous alumina synthesis. The results showed that mesoporous alumina synthesized using caprylic acid as the structure-directing agent at 180 degrees C exhibited improved structural, textural, and basic properties, as well as high CO2 adsorption capacity and stability.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Chemistry, Multidisciplinary
Tzong-Horng Liou, Guan-Wei Chen, Shang Yang
Summary: Amino-functionalized nanoporous SBA-15 materials were studied for the adsorption of tannic acid (TA). The prepared composites exhibited high adsorption capacity and ultrafast removal of TA under various conditions including solution temperature, solution pH, agitation speed, adsorbent dosage, and initial TA concentration.
Article
Chemistry, Multidisciplinary
Kai Wu, Qing Ye, Lanyang Wang, Fanwei Meng, Hongxing Dai
Summary: A novel kind of CO2 solid adsorbents was prepared by loading layered double hydroxides (LDH) on mesoporous alumina (MA) support. The LDHs were evenly distributed on the surface of MA, resulting in improved CO2 adsorption performance through chemical adsorption and storage of CO2 in the form of carbonate. This new adsorbent has great potential in CO2 adsorption applications.
JOURNAL OF CO2 UTILIZATION
(2022)
Article
Engineering, Chemical
Yong Fu, Yu Sun, Yutong Zheng, Jinwen Jiang, Chengyue Yang, Jiwei Wang, Jianshe Hu
Summary: A novel magnetic network polymer composite (MCTP) was constructed for efficient removal of Hg(II) in wastewater, showing high removal rate, good recyclability, and excellent selectivity. Furthermore, the toxic spent adsorbent MCTP/Hg(II) was converted into a catalyst for chemical synthesis, demonstrating the value-added utilization of waste adsorbents.
SEPARATION AND PURIFICATION TECHNOLOGY
(2021)
Article
Environmental Sciences
Yujie Zhou, Xiaoguo Zhang, Jin Deng, Chun Li, Keyuan Sun, Xiaodong Luo, Shenfu Yuan
Summary: The development of efficient bio-char for phenol removal from wastewater is crucial for environmental protection. Acid-washed and activated bio-char exhibited excellent phenol removal efficiency and regeneration capacity. The mechanism of activated bio-char adsorption provides valuable insights for the removal of organic pollutants.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2023)
Article
Chemistry, Multidisciplinary
Peiyu Zhao, Yanchao Yin, Wei Cheng, Xianmang Xu, Deliang Yang, Wenpeng Yuan
Summary: The study successfully synthesized mesoporous carbon with ultra large pore volume and abundant mesopores structure, and impregnated with tetraethylenepent amine (TEPA) to prepare the adsorbent, demonstrating high CO2 capture performance.
JOURNAL OF CO2 UTILIZATION
(2021)
Article
Environmental Sciences
Hao Liu, Go-eun Kim, Chang-Oh Hong, Young-Chae Song, Won-Ki Lee, Di Liu, Seong-Ho Jang, Young-Kwon Park
Summary: The study found that the non-covalent interactions between NMMHC and phenol molecules are van der Waals interactions, and nitrogen-containing groups increase the phenol adsorption capacity by enhancing such interactions. The pi-pi interactions between the nitrogen groups and phenol molecules also enhanced the adsorption energy.
Article
Materials Science, Multidisciplinary
Aiyuan Ma, Xuemei Zheng, Kangqiang Li, Mamdouh Omran, Guo Chen
Summary: The study investigated the regeneration of activated carbon and its effectiveness in removing hazardous substances and organic pollutants. Results showed that regeneration time and temperature significantly influenced the performance of activated carbon, and under optimal conditions, efficient removal of tannic acid was achieved.
JOURNAL OF MATERIALS RESEARCH AND TECHNOLOGY-JMR&T
(2021)
Article
Engineering, Environmental
S. G. Aspromonte, M. A. Tavella, M. Albarracin, A. V. Boix
Summary: The environmentally friendly synthesis of mesoporous silica using potato or corn starches as structure directing agents is reported. The starches were found to have ellipsoidal and irregular/polygonal morphologies, respectively. By controlling gelatinization and retrogradation of the starches, mesoporous silica with high specific surface areas were obtained, with 708.6 m2 g-1 for potato starch and 1018.1 m2 g-1 for corn starch. The materials showed a random mesoporous structure and exhibited CO2 adsorption capacities between 150.2 and 131.4 mg CO2 g-1 at 373 K.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Multidisciplinary
Zhongzheng Zhang, Shijian Lu, Guofei Shen, Yonghui Zhao, Tianyang Zhu, Qiang Gao, Nannan Sun, Wei Wei
Summary: In this study, highly ordered nitrogen-doped mesoporous carbon single crystals with tunable morphologies were successfully synthesized using a controllable co-assembly strategy. The effects of various factors on the morphology, structure, and nitrogen content of the carbon crystals were investigated. The role of 2-methylimidazole in the formation of polymer matrices was elucidated.
JOURNAL OF CO2 UTILIZATION
(2022)
Article
Chemistry, Multidisciplinary
Biao Zhou, Shuang Xu, Liqin Wu, Mingjie Li, Yanan Chong, Yongcai Qiu, Guangxu Chen, Yun Zhao, Chunhua Feng, Daiqi Ye, Keyou Yan
Summary: In this study, a strain-engineered Cs3Bi2Br9/hierarchically porous BiVO4 heterojunction with improved charge separation and tailored CO2 adsorption/activation capability was developed. The presence of tensile strain in Cs3Bi2Br9 was found to enhance the adsorption/activation of CO2. Efficient charge transfer was confirmed to occur in the heterojunction, leading to boosted photocatalytic activity and high selectivity of CO production. This work provides insight into strain engineering for improving the photocatalytic performance of halide perovskite.
Article
Agricultural Engineering
Duy Anh Khuong, Hong Nam Nguyen, Toshiki Tsubota
Summary: Bamboo and its solid residue were successfully converted into porous carbon through physical activation with CO2 agent, with the solid residue showing a higher potential due to its very low ash content. The activated carbon materials exhibited dominant microporous structures, with the highest BET surface area observed in the solid residue-derived carbon. The microporosity structure and CO2 adsorption capacity of the activated carbon could be enhanced under optimal CO2 activation conditions.
BIOMASS & BIOENERGY
(2021)
Article
Engineering, Environmental
Jinhao Li, Chao Shi, Agula Bao
Summary: A facile strategy for fabricating boron-doped mesoporous carbon materials was designed, showing large specific surface area and high boron doping amount, which contribute to its use as a bifunctional adsorbent for dyes and CO2. The prepared material demonstrated superior adsorption performance and excellent cycling stability when used as a crystal violet and Congo red adsorbent, and showed a maximum CO2 uptake capacity of 94.96 mg/g during testing.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
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)