Article
Engineering, Environmental
Xiangtong Kong, Shikha Garg, Guifeng Chen, David Waite
Summary: In this study, the performance of a catalytic ozonation process for treating coal chemical industry wastewater using Fe2O3/Al2O3·SiO2 catalyst was investigated. The catalyst's activity decreased over time due to the formation of a carbonaceous layer on its surface, which inhibited the ozone-catalyst interaction. Calcination was found to be an effective method for restoring the catalyst's activity by removing the carbonaceous layer. Cost analysis showed that regeneration through calcination is economically viable compared to catalyst replacement.
JOURNAL OF HAZARDOUS MATERIALS
(2023)
Article
Chemistry, Physical
Robert Franz, Donato Pinto, Evgeny A. Uslamin, Atsushi Urakawa, Evgeny A. Pidko
Summary: This study investigates the use of Ni/Al2O3 catalysts for dry reforming of methane, with a focus on the effects of different promoters on catalyst stability. Higher iron loading on the catalyst leads to lower coke formation during dry reforming. Additionally, promoters with high CO2 affinity can accelerate catalyst oxidation during regeneration, ultimately leading to sintering and increased coke formation. Promoters with significant CO2 interaction are more effective on sintered catalyst samples compared to unpromoted Ni/Al2O3.
Article
Chemistry, Physical
Yang Yang, Jie Tang, Jubo Zhang, Chao Liu, Jiahui Huang
Summary: In this study, a supported nano porous PtRu alloy catalyst was synthesized for the selective hydrogenation of chloronitrobenzene (CNB) to chloroaniline (CAN). The special structure of the alloy catalyst, with a mutual-accessible Ru enriched surface and Pt enriched core, enhanced the synergistic effect between Ru and Pt, leading to improved catalytic performance. The optimal catalyst achieved 100% conversion of o-chloronitrobenzene (o-CNB) and 99.9% selectivity of o-chloroaniline (o-CAN). In addition, the catalyst exhibited excellent selectivity of o-CAN (98%) even under harsh reaction conditions such as high temperature (150 degrees C) and high pressure (6 MPa). The catalyst also showed outstanding catalytic performance in the selective hydrogenation of m-chloronitrobenzene (m-CNB) and p-chloronitrobenzene (p-CNB).
MOLECULAR CATALYSIS
(2023)
Article
Chemistry, Multidisciplinary
Didi Li, Zhen Wang, Shiqing Jin, Minghui Zhu
Summary: This study investigates the deactivation and regeneration mechanisms of the Cu/ZnO/Al2O3 catalyst in low temperature methanol steam reforming. It is found that the deactivation is mainly caused by the poisoning of Cu species associated with surface-oxygenated species, rather than carbon deposition and strong metal-support interaction. Furthermore, the addition of O-2 can partially restore the catalytic activity.
SCIENCE CHINA-CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Weimeng Cai, Xinyu Sun, Yaojie Bao, Jianhua Guo, Anqiu Liu, Kunhong Hu, Lipin Feng
Summary: We investigated the evolution of Au species on different morphologies of γ-Al2O3 and found that nanorod-shaped γ-Al2O3 can stabilize Au nanoparticles at high annealing temperatures, while commercial γ-Al2O3 leads to greater catalyst inactivation under the same conditions. XPS, DRIFTS, and H-2-TPR results revealed the interfacial interactions between Au nanoparticles and γ-Al2O3 nanorods, which contribute to the sinter-stability of Au/γ-Al2O3 nanorods catalyst. This synthetic strategy is simple and suitable for large-scale production of thermally stable γ-Al2O3 for industrial applications.
Article
Chemistry, Physical
Fan Lin, Mengze Xu, Karthikeyan K. Ramasamy, Zhenglong Li, Jordan Lee Klinger, Joshua A. Schaidle, Huamin Wang
Summary: The article discusses the challenges faced by biomass conversion technologies, specifically in terms of catalyst deactivation and mitigation. It highlights the unique properties of biomass-derived feedstocks that cause catalyst deactivation and provides information on potential mitigation approaches to guide the design of robust catalysts and processes for biomass conversion.
Article
Chemistry, Physical
Phathutshedzo R. Khangale, Reinout Meijboom, Kalala Jalama
Summary: In this study, the deactivation rate of 15%Co-6%K/Al2O3 Fischer-Tropsch catalyst during the hydrogenation of CO2 to longer-chained hydrocarbons was investigated. The presence of CO2 in the feed negatively impacted catalyst stability and the production of longer-chain hydrocarbons, mainly leading to an increase in methane formation and a decrease in C5+ selectivity. This was observed to be partly due to the formation of cobalt carbide on the catalyst surface, which contributed to decreased CO2 conversion rates and C5+ selectivity.
Article
Chemistry, Applied
R. Cuevas-Garcia, J. G. Tellez-Romero, J. Ramirez, P. Sarabia-Banuelos, I. Puente-Lee, C. Salcedo-Luna, S. Hernandez-Gonzalez, V. A. Nolasco-Arizmendi
Summary: The three nickel catalysts supported on mordenite zeolite with the same nickel content of 2 wt.% were prepared using different methods and showed diverse selectivity and activity in naphthalene hydrogenation reactions, with the Ni-DP catalyst displaying the highest hydrogenation activity and relatively slow deactivation rate.
Article
Engineering, Chemical
I Sanchis, E. Diaz, A. H. Pizarro, J. J. Rodriguez, A. F. Mohedano
Summary: Nitrate pollution of water bodies is a serious global environmental problem, and there is a lack of cost-effective solutions for its removal. Catalytic reduction is an emerging technology that can transform nitrate into harmless nitrogen gas, but it faces challenges in stability and catalyst regeneration.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Engineering, Chemical
Lu Lv, Min Zhao, Yanan Liu, Yufei He, Dianqing Li
Summary: In this study, dodecyl phosphoric acid (PA) was used to modify the surface of alumina (Al2O3) to obtain hydrophobic material (Al2O3-PA) with excellent hydrophobicity, hydrothermal stability, and maintained pore structure. The Pd/Al2O3-PA catalyst exhibited superior catalytic performance in the hydrogenation of phenol and anthraquinone, with enhanced stability attributed to the inhibition of Pd nanoparticle aggregation and product adhesion through PA modification.
CHINESE JOURNAL OF CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Applied
Mengjiao Fan, Yuewen Shao, Kai Sun, Yuchen Jiang, Shu Zhang, Yi Wang, Song Hu, Jun Xiang, Xun Hu
Summary: In this study, a hybrid metal@carbon material was prepared using bio-oil as a carbon source, and the polymerization process was successfully used to encapsulate the metal species. The Co/N/C catalyst was prepared using melamine as a structural regulating agent and showed excellent catalytic activity for the hydrogenation reaction. The encapsulation or exposure of Co species was found to be influenced by the relative ratio of bio-oil and melamine in the catalyst precursors, and leaching of cobalt was observed due to the dechlorination process.
FUEL PROCESSING TECHNOLOGY
(2023)
Article
Chemistry, Physical
Junjie Chen, Weixiao Sun, Yongxing Wang, Wenhao Fang
Summary: This study demonstrated that Au nanoparticles supported on Cu-doped Al2O3 can efficiently hydrogenate furfural to furfuryl alcohol. Doping a small amount of Cu can modify the properties of Al2O3 and enhance the reactivity of Au towards hydrogenation reactions.
GREEN ENERGY & ENVIRONMENT
(2021)
Article
Agricultural Engineering
Sabar Pangihutan Simanungkalit, Isabelle Jones, Chiemeka Onyeka Okoye, Zhezi Zhang, Mingming Zhu, Dongke Zhang
Summary: The possibility of direct methanol synthesis from biomass pyrolysis syngas using Cu/ZnO/Al2O3 catalysts was investigated. Methanol yield was influenced by temperature, pressure, and time on-stream. The presence of CO2 in the syngas resulted in decreased catalyst performance, while CH4 did not affect performance. This research provides insights into the challenges of producing methanol from unconventional syngas and motivates future work to develop a robust catalyst for H2-deficient and CO2-rich syngas.
BIOMASS & BIOENERGY
(2023)
Article
Engineering, Chemical
Camilla Daniela Moura-Nickel, Jessica Tatianne Ortiz Florenciano, Gidiane Scaratti, Regina de Fatima Peralta Muniz Moreira, Humberto Jorge Jose
Summary: The coke deposition deactivating catalyst is a challenge during reforming processes. However, the use of in situ CO2 for coke gasification at 650-700 degrees C can recover the catalytic activity, while temperature higher than 700 degrees C may cause deactivation by sintering. The regeneration method using CO2 is an excellent alternative to traditional air oxidation reactions for removing coke, as it not only produces useful CO but also allows the maintenance of reactor operating conditions.
CHEMICAL ENGINEERING SCIENCE
(2021)
Article
Chemistry, Applied
Weiyin Wang, Lu Lin, Haifeng Qi, Wenxiu Cao, Zhi Li, Shaohua Chen, Xiaoxuan Zou, Tiehong Chen, Nanfang Tang, Weiyu Song, Aiqin Wang, Wenhao Luo
Summary: A highly efficient Rh@Al2O3@C single-atom catalyst (SAC) was developed for the hydrogenation of m-chloronitrobenzene, achieving excellent catalytic performance and a sustained selectivity of around 98% to m-chloroaniline. This was attributed to the atomic dispersion of metal and enhanced accessibility of acid function sites.
CHINESE JOURNAL OF CATALYSIS
(2021)
Article
Chemistry, Physical
Guillaume B. Baur, Igor Yuranov, Albert Renken, Lioubov Kiwi-Minsker
ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY
(2015)
Article
Chemistry, Physical
Guillaume B. Baur, Oliver Beswick, Jonathan Spring, Igor Yuranov, Lioubov Kiwi-Minsker
ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY
(2015)
Article
Chemistry, Applied
Guillaume B. Baur, Igor Yuranov, Lioubov Kiwi-Minsker
Article
Chemistry, Applied
Oliver Beswick, Igor Yuranov, Duncan T. L. Alexander, Lioubov Kiwi-Minsker
Article
Chemistry, Applied
Linda Nikoshvili, Elena Shimanskaya, Alexey Bykov, Igor Yuranov, Lioubov Kiwi-Minsker, Esther Sulman
Article
Chemistry, Physical
Micaela Crespo-Quesada, Songhak Yoon, Mingshang Jin, Antonio Prestianni, Remedios Cortese, Fernando Cardenas-Lizana, Dario Duca, Anke Weidenkaff, Lioubov Kiwi-Minsker
JOURNAL OF PHYSICAL CHEMISTRY C
(2015)
Article
Biochemical Research Methods
Bo Jiang, Julien Haber, Albert Renken, Paul Muralt, Lioubov Kiwi-Minsker, Thomas Maeder
Article
Engineering, Environmental
Thomas H. Rehm, Charline Berguerand, Satu Ek, Ralf Zapf, Patrick Lob, Linda Nikoshvili, Lioubov Kiwi-Minsker
CHEMICAL ENGINEERING JOURNAL
(2016)
Article
Engineering, Environmental
Guillaume B. Baur, Florent Heroguel, Jonathan Spring, Jeremy S. Luterbacher, Lioubov Kiwi-Minsker
CHEMICAL ENGINEERING JOURNAL
(2016)
Article
Chemistry, Physical
Vladimir V. Zhivonitko, Ivan V. Skovpin, Micaela Crespo-Quesada, Lioubov Kiwi-Minsker, Igor V. Koptyug
JOURNAL OF PHYSICAL CHEMISTRY C
(2016)
Article
Engineering, Chemical
Linda Zh. Nikoshvili, Alexey V. Bykov, Tatiana E. Khudyakova, Thomas LaGrange, Florent Heroguel, Jeremy S. Luterbacher, Valentina G. Matveeva, Esther M. Sulman, Paul J. Dyson, Lioubov Kiwi-Minsker
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2017)
Article
Chemistry, Applied
Nadezhda A. Nemygina, Linda Zh. Nikoshvili, Irina Yu. Tiamina, Alexey V. Bykov, Ilia S. Smirnov, Thomas LaGrange, Zbigniew Kaszkur, Valentina G. Matveeva, Esther M. Sulman, Lioubov Kiwi-Minsker
ORGANIC PROCESS RESEARCH & DEVELOPMENT
(2018)
Article
Chemistry, Physical
Alberto Gonzalez-Fernandez, Chiara Pischetola, Lioubov Kiwi-Minsker, Fernando Cardenas-Lizana
JOURNAL OF PHYSICAL CHEMISTRY C
(2020)
Article
Chemistry, Multidisciplinary
Andrei Tarasov, Natalia Root, Olga Lebedeva, Dmitry Kultin, Lioubov Kiwi-Minsker, Leonid Kustov
Article
Chemistry, Physical
Guillaume B. Baur, Jonathan Spring, Lioubov Kiwi-Minsker
ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY
(2018)
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)