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Deep reinforcement learning for process design: Review and perspective Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2024-03-14 Qinghe Gao, Artur M Schweidtmann
The transformation toward renewable energy and feedstock supply in the chemical industry requires new conceptual process design approaches. Recently, deep reinforcement learning (RL), a subclass of machine learning, has shown the potential to solve complex decision-making problems and aid sustainable process design. However, its suitability in static process design still needs to be examined. We discuss
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Recent progress in developing non-noble metal-based photocathodes for solar green hydrogen production Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2024-01-20 Antony C Minja, Karthick Raj AG, Arno Raes, Rituraj Borah, Sammy W Verbruggen
Photocathodes play a vital role in photoelectrocatalytic water splitting by acting as catalysts for reducing protons to hydrogen gas when exposed to light. Recent advancements in photocathodes have focused on addressing the limitations of noble metal-based materials. These noble metal-based photocathodes rely on expensive and scarce metals such as platinum and gold as cocatalysts or ohmic back contacts
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Recent advances in single crystal and facet dependency of copper electrodes on electrochemical CO2 reduction Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2024-01-08 Yu Qiao, Brian Seger
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Editorial overview: Breaking down the barriers to implementing water reuse: Technology adoption, sociotechnical and regulatory frameworks, and integrated treatment trains Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2024-01-04 Lynn E Katz, Thomas Borch, Pei Xu
Abstract not available
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Tuning carbon dioxide electroreduction through selective facet exposure Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-12-21 Lorena Chico-Mesa, Enrique Herrero, Rosa M Arán-Ais
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Computational toolkits for model-based design and optimization Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-12-20 Damian T Agi, Kyla D Jones, Madelynn J Watson, Hailey G Lynch, Molly Dougher, Xinhe Chen, Montana N Carlozo, Alexander W Dowling
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Accelerating vaccine manufacturing development through model-based approaches: current advances and future opportunities Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-12-21 Elham Ramin, Antonio Gaetano Cardillo, Reinhard Liebers, Johannes Schmölder, Eric von Lieres, Wim Van Molle, Bastian Niebel, Laurent Natalis, Irina Meln, Mónica Perea-Vélez, Didier Clénet, John Bagterp Jørgensen, Bernt Nilsson, Daniel G. Bracewell, Krist V. Gernaey
This review highlights the importance of model-based approaches in accelerating vaccine manufacturing process development. The challenges of scaling up from laboratory to commercial processes are addressed through the adoption of Process Analytical Technology frameworks and Quality by Design principles. The application of various modeling approaches beyond downstream and upstream processes in vaccine
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Superstructure-based carbon capture and utilization process design Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-12-12 Xuechong Ding, Jue Li, Haijun Chen, Teng Zhou
The carbon capture and utilization (CCU) technology is an effective approach to reducing CO2 emissions. Given the extensive range of existing technologies within the CCU framework, systematic methods for the optimal selection of economical and sustainable CCU pathways are crucial. To address this challenge, superstructure-based process design has emerged as a popular approach. Over the past several
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Accelerating discrete particle simulation of particle-fluid systems Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-11-30 Shuai Zhang, Wei Ge
Balancing the accuracy and efficiency is critical when employing the discrete particle method to simulate particle-fluid systems in industrial reactors. This article systematically reviews the methods for accelerating discrete particle simulation, including the coarse-graining (CG) methods and the multiscale coupling methods, and pinpoints current challenges and difficulties in each category. In this
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Editorial overview: Fundamentals of multiphase processes toward carbon neutrality Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-11-25 Ning Yang, Mao Ye, Liang-Yin Chu
Abstract not available
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Multiphase flow in PEM water electrolyzers: a mini-review Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-11-21 Xiaoping Guan, Jinhao Bai, Jingchang Zhang, Ning Yang
In comparison to alternative water electrolysis technologies, polymer electrolyte membrane water electrolysis (PEMWE) has several advantages, such as high-voltage efficiency, pure gas production, short response time, and the capability to operate under high pressure and current density. A thorough comprehension of the multiphase flow characteristics within the porous transport layer (PTL) and flow
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Metrics and methods for resilience-aware design of process systems: advances and challenges Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-11-19 Natasha J Chrisandina, Shivam Vedant, Eleftherios Iakovou, Efstratios N Pistikopoulos, Mahmoud M El-Halwagi
To address potential disruptions that arise from internal and external sources, chemical processes need to be designed with the capacity to withstand and recover from disturbances — often referred to as resilience. To integrate resilience capabilities into process design and operations, it is imperative to be cognizant of contributing factors and develop, determine, and incorporate quantitative resilience
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Runaway criteria for predicting the thermal behavior of chemical reactors Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-11-19 Ya-Nan Yang, Jie Jin, Li-Tao Zhu, Yin-Ning Zhou, Zheng-Hong Luo
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Economic feasibility of developing alternative water supplies for agricultural irrigation Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-11-17 Edirisooriya Mudiyanselage Nimanthi Thiloka Edirisooriya, Huiyao Wang, Sankha Banerjee, Karl Longley, William Wright, Walter Mizuno, Pei Xu
Alternative water sources can be applied to water-stressed agricultural sites to satisfy the increasing water demand. The increased costs associated with the treatment of impaired water, distribution/conveyance/storage, and waste management to meet water quality requirements and regulations are the challenges in developing an alternative water-based irrigation system. This study evaluates the economic
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The promise of PFAS remediation by the fourth state of matter Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-11-14 Manoj Kolel-Veetil
Recent advances in nonthermal plasma (NTP)-enabled processes have yielded remarkable results and progress in the remediation of Per- and polyfluoroalkyl substances (PFAS), especially in the past three to five years. In comparison to typical chemical oxidation and reduction reactions that are conducted in bulk aqueous solutions with specific reactive oxidative or reductive species, the reported NTP-based
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Synthesis and design methods for energy-efficient distillation processes Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-11-08 Mirko Skiborowski
In order to achieve net-zero emissions until 2050, it is of utmost importance to improve the energy efficiency and thereby reduce the greenhouse gas emissions in the chemical industry. As distillation processes are accounting for the majority of all fluid separations, they are an important target for potential improvements. Although other separation technologies might be a favorable alternative, distillation
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Process systems engineering tools for the water–energy–food nexus: challenges and opportunities Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-11-04 César Ramírez-Márquez, José M Ponce-Ortega
The interplay of water, energy, and food resources, which are essential for human sustenance, symbolizes a complex challenge involving social, engineering, and environmental aspects. The water–energy–food (WEF) nexus, surpassing traditional process systems engineering (PSE), underscores the interconnectedness of resource decisions. Efficient WEF nexus management demands a comprehensive approach encompassing
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Machine learning-based modeling and analysis of perfluoroalkyl and polyfluoroalkyl substances controlling systems in protecting water resources Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-11-03 Ahmad Hosseinzadeh, Ali Altaee, Xiaowei Li, John L. Zhou
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Alkaline water electrolysis: with or without iron in the electrolyte? Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-11-03 Matheus T de Groot
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Design and optimization of carbon capture processes using ionic liquid solvents Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-11-01 Kyeongjun Seo, Thomas F Edgar, Mark A Stadtherr, Michael Baldea
Increasing carbon dioxide emissions and the resulting global warming are a critical environmental concern. Ionic liquids (ILs) have recently gained attention as promising absorbents for carbon capture due to their favorable chemical and physical properties. Consequently, there is a need to develop process modeling and mathematical optimization techniques for the design and operation of IL-based carbon
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In situ spectroscopy and diffraction to look inside the next generation of gas diffusion and zero-gap electrolyzers Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-10-30 Jan den Hollander, Ward van der Stam
Electrolyzers allow for the sustainable conversion of chemical waste (e.g. nitrous oxides, NO, or carbon dioxide, CO) into valuable chemicals or building blocks (e.g. ammonia or hydrocarbons). There is a constant search for new and improved materials (electrocatalysts) that can facilitate these complex chemical reactions with optimized activity, selectivity, and stability. In order for electrolyzers
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Hot topic: thermal treatment of per- and polyfluoroalkyl substances Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-10-27 David Zgonc, Pia Ramos, Yifan Gao, Eric M V Hoek, Jens Blotevogel, Anthony K Rappé, Shaily Mahendra
Per- and polyfluoroalkyl substances’ (PFAS) unique chemical properties define modern expectations of synthetic chemistry for diverse consumer products and industrial applications. That same chemistry becomes problematic at the end of PFAS-containing material life cycles. Safe disposal of PFAS is important to mitigate adverse human health and ecotoxicological effects. Thermal treatment is reported to
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Advances in vibrated gas-fluidized beds Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-10-26 Qiang Guo, Christopher Spitler, Jagan Mohan Sanghishetty, Christopher M Boyce
As one of the most successful modifications to conventional fluidized beds to intensify their operations, vibrated gas-fluidized beds (VGFBs) have been used extensively in industry. Here, we review the hydrodynamics within VGFBs and their applications to improve fluidization quality of particles that are difficult to fluidize based on gas flow alone, to control segregation and mixing among different
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Anaerobic membrane bioreactor as the core technology for future decentralized wastewater treatment plants Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-10-19 Shuo Zhang, Mohamed R Tchalala, Hong Cheng, Julie S Medina, Yanghui Xiong, Pei-Ying Hong
This study proposes the utilization of anaerobic membrane bioreactors (AnMBRs) as a core treatment technology for future pilot-/full-scale decentralized wastewater treatment plants (DWTPs). The treatment efficiencies, technoeconomic costs, and global warming potential of AnMBRs are comparable to those of other biological technologies. To facilitate such a paradigm, we discuss the challenges associated
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The application of advanced oxidation processes (AOPs) to treat unconventional water for fit-for-purpose reuse Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-10-11 Jiong Gao, Tian Qin, Stanisław Wacławek, Xiaodi Duan, Ying Huang, Haizhou Liu, Dionysios D Dionysiou
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Safe reuse of treated produced water outside oil and gas fields? A review of current practices, challenges, opportunities, and a risk-based pathway for produced water treatment and fit-for-purpose reuse Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-10-11 Himali M.K. Delanka-Pedige, Yanyan Zhang, Robert B. Young, Huiyao Wang, Lei Hu, Cloelle Danforth, Pei Xu
The oil and gas (O&G) industry has expanded significantly and brought to the surface large volumes of saline water called produced water (PW), which comprises of underground formation water, injection water, and chemical additives used during extraction and production. PW is traditionally managed via injection wells, evaporation/seepage pits, or recycling for on-site operations. There is increasing
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Application of the Rd/w framework to assess Donnan dialysis performance Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-10-11 Hui Chen, Sahar Souizi, Kaylyn Stewart, Lee Blaney
Donnan dialysis exploits electrochemical potential gradients across ion-exchange membranes to separate ions between feed and draw solutions. This technique has been applied for treatment and recovery of chemicals in water and wastewater. Previous studies have arbitrarily selected the draw solution chemistry, making it difficult to fairly compare experimental outcomes. A universal framework is needed
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Can ultraviolet-assisted advanced reduction processes effectively destroy per- and polyfluoroalkyl substances in real water matrices? Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-10-09 Poulami Mukherjee, Krishnamoorthy Sathiyan, Tomer Zidki, Mallikarjuna N Nadagouda, Virender K Sharma
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Challenges and opportunities for electro-driven desalination processes in sustainable applications Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-10-07 Eva M Deemer, Pei Xu, Rafael Verduzco, William Shane Walker
Electro-driven separation processes offer several potential advantages over pressure-driven separation processes such as reverse osmosis for water reuse and desalination, including energy savings for low-salinity waters, cation or anion selectivity, and versatility for fit-for-purpose treatment. In this perspective, we review technologies for electro-driven separation processes and evaluate their prospect
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Emerging techniques to monitor temperature and supply heat for multiscale solid-based catalysis processes Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-10-03 Mingbin Gao, Mao Ye, Zhongmin Liu
To the achievement of carbon neutrality and sustainable chemical industries, optimization and reformation of energy (heat) management for catalyst design and catalysis process developments play a key role. This review examines the underlying mechanism of fundamental solid-based catalysis, for example, structure of active sites, chemical kinetics, and molecular transport, affected by temperature. /
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Understanding of chemical looping with autothermal operation Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-10-03 Zhen Fan, Neng Huang, Kunlei Liu
Chemical looping combustion (CLC) is under development for fuel combustion, an art of technology in terms of less energy penalty for CO removal. In addition to the oxygen carrier (OC) development, the autothermal operation is another key for the success of CLC, which is mainly determined by a difference of heat of combustion per mole O between the fuel and oxygen carrier (dQ). Ideally, the developed
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An overview of production of hydrogen and carbon nanomaterials via thermocatalytic decomposition of methane Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-09-30 Morteza Hadian, Kay Buist, Hans Kuipers
The ever-increasing global demand for energy and functional materials, coupled with the growing threat of global warming, necessitates the development of new technologies for the large-scale production of green energy carriers and materials. ThermoCatalytic Decomposition (TCD) of methane is an environmentally and economically favorable approach to produce hydrogen and valuable carbon nanomaterials
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Editorial overview: Single-atom catalysis in environmental system Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-09-28 Huayang Zhang, Shaobin Wang
Abstract not available
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Geologic carbon dioxide sequestration methods, opportunities, and impacts Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-09-20 Christine A Ehlig-Economides
Combustion of fossil fuel mostly derived originally from plant matter provides more than 80% of the energy that maintains the modern standard of living and accounts for nearly all of carbon dioxide (CO) emissions that now significantly exceed the amount of CO required for plant life. Development of alternative non-fossil energy resources that at least keep up with the overall increase in energy demand
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Ion exchange and advanced oxidation/reduction processes for per- and polyfluoroalkyl substances treatment: a mini-review Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-09-14 Ehsan Banayan Esfahani, Fuhar Dixit, Fatemeh Asadi Zeidabadi, Michael R Johnson, Neelambhigai Mayilswamy, Balasubramanian Kandasubramanian, Madjid Mohseni
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State of the research on regeneration and reactivation techniques for per- and polyfluoroalkyl substances (PFAS)-laden granular activated carbons (GACs) Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-09-09 Erica Gagliano, Pietro P. Falciglia, Yeakub Zaker, Nazmiye C. Birben, Tanju Karanfil, Paolo Roccaro
Per- and polyfluoroalkyl substances (PFAS), man-made ‘forever chemicals’, have been extensively released into the environment. Currently, adsorption is the chief option for removing PFAS from contaminated water. However, the regeneration and reactivation of PFAS-laden adsorbents are still a challenging task, and several investigations are ongoing to find the most suitable technology. The current state
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Per- and polyfluoroalkyl substances chemical degradation strategies: insights into the underlying reaction mechanisms Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-09-09 Brian D Etz, Manoj K Shukla
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Prospects of complete mineralization of per- and polyfluoroalkyl substances by thermal destruction methods Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-09-05 Lucas DS Vargette, Nathalie De Coensel, Kevin De Ras, Ruben Van de Vijver, Stefan Voorspoels, Kevin M Van Geem
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Moving beyond techno-economic considerations: incorporating organizational constraints into fit-for-use technologies Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-09-04 Lauryn A Spearing, Miriam Tariq, Haniye Safarpour, Thomas Abia, Matt Mallory, Jeff Guild, Lynn E Katz, Kasey M Faust
Many sectors are threatened by water stress, creating a pressing need to explore the use of alternative water sources or water reuse. There has been an increase in innovative water treatment technologies to leverage such sources, yet many of these innovations have been slow to implement. Here, we discuss that this could be due to a lack of focus on factors outside of technical and economic considerations
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Electrocoagulation of high-salinity produced water: lessons learned from its early applications in unconventional reservoir plays Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-08-26 Kushal Seth, Margaret Busse, Gyoung Jang, Sanket Joag, Kyungho Kim, Thomas Pankratz, Divyansh Sahu, Ramesh Sharma, Jennifer Stokes-Draut, Costas Tsouris, Shankararaman Chellam
Ample research has demonstrated that electrocoagulation is a versatile technology capable of facilitating the removal of a wide range of physical, biological, organic, and inorganic constituents such as suspended solids, turbidity, bacteria, viruses, oil and grease, organic carbon (including chemical and biological oxygen demand), silica, fluoride, and so on. Despite its purported advantages and extensive
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Technologies to tackle antimicrobial resistance during treated wastewater reuse: current advances and future prospects Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-08-26 Kai-Feng Yu, Peng Li, Bo Zhang, Yiliang He
Wastewater reuse may serve as an important solution to the emerging issue of water scarcity. However, the potential public and ecological risks of antimicrobial resistance (AMR) may hinder the wide application of treated wastewater reclamation. Wastewater treatment plants have been recognized as hotspots of antibiotic resistance genes (ARGs) and key nodes of their spreading. Owing to their characterization
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Single-atom catalysts for nitrogen oxide emission control Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-08-15 Kuo Liu, Tao Zhang
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Flexible solar-to-iron system: a new concept and its implementation Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-08-08 Haitao Yang, Huigang Zhang, Qingshan Zhu, Jiaxin Cheng, Puheng Yang, Zhen Wang, Renze Xu
Green electricity from solar energy has achieved rapid development. However, solar power is intermittent and fluctuating, whereas industrial productions are generally continuous. To overcome the contradiction, either expensive large-scale energy storage technologies are deployed, or new industrial production processes are developed to adapt to the intermittent characteristics of solar energy. This
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A review of emerging photoinduced degradation methods for per- and polyfluoroalkyl substances in water Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-08-02 Zulfikhar A Ali, Sharma SRKC Yamijala, Bryan M Wong
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Development and application of fluid density functional theory for novel electrochemical interfaces Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-07-31 Jin Cheng, Jia-Hui Li, Cheng Lian, Honglai Liu
Electrochemical interfaces exist in diverse electrochemical devices, and the performance of these devices is directly related to the physical and chemical properties of the interface. However, it is difficult to in situ measure and characterize the structure and properties of electrochemical interfaces in experimental conditions. It is necessary to develop methods that can describe interface behavior
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Complete defluorination of per- and polyfluoroalkyl substances — dream or reality? Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-07-17 Jan-Max Arana Juve, Bo Wang, Michael S. Wong, Mohammed Ateia, Zongsu Wei
The consensus of removing per- and polyfluoroalkyl substances (PFAS) from the environment is widely recognized and enlightened by the near-zero standards released from the U.S. Environmental Protection Agency in 2023. The only way to achieve the goal of zero fluoro-pollution is to fully defluorinate or mineralize PFAS, but current technologies only partially defluorinate a limited number of PFAS, which
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Single atom catalysts for heterogeneous catalytic ozonation Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-07-14 Yizhen Cheng, Zhonglin Chen, Shaobin Wang, Xiaoguang Duan
Single atom catalysts (SACs) have received soaring interest in environmental applications due to their ultrahigh atomic efficiency and drastically reduced metal loading. In this review, we summarized the preliminary efforts in applying SACs for heterogeneous catalytic ozonation (HCO). Mechanistic analyses revealed a creditable consensus that highly dispersed active single atoms can accelerate the decomposition
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Scaling up water treatment technologies for PFAS destruction: current status and potential for fit-for-purpose application Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-07-14 Jens Blotevogel, Selma Mededovic Thagard, Shaily Mahendra
Per- and polyfluoroalkyl substances (PFAS) are highly persistent and widespread contaminants that occur in many unconventional water resources at concentrations preventing the water’s use for beneficial purposes. Electrochemical oxidation, low-temperature plasma treatment, and sonolysis are three advanced water treatment technologies that have recently become commercially available for PFAS destruction
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Single-atom catalysts derived from biomass: low-cost and high-performance persulfate activators for water decontamination Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-07-04 Yidi Chen, Yanhu Yang, Nanqi Ren, Xiaoguang Duan
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Advances in carbon nitride supported single-atom photocatalysts for hydrogen evolution Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-06-30 Fanpeng Meng, Zhihao Tian, Wenjie Tian, Huayang Zhang
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Metal–organic framework-derived single-atom catalysts for peroxymonosulfate-mediated organic wastewater remediation Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-06-28 Haitao Li, Jian Liu
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Single-atom coordination-dependent catalysis for peroxymonosulfate-mediated water purification Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-06-18 Jun Wang, Simeng Bi, Yang Zhang, Yi Shen, Lun Lu, Xiaoguang Duan, Xiaoyao Tan, Shaobin Wang
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Recent advances in atomically dispersed metal catalysts for low-temperature water-gas shift reaction Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-06-15 Ziyi Shui, Guoxia Jiang, Mengfei Zhao, Zhenwen Yang, Ganggang Li, Zhengping Hao
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Opportunities for process intensification using non-thermal plasmas Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-06-14 Adam P Harvey, Ibrahim A Mohammed, Usman Dahiru, Kui Zhang
In non-thermal plasmas (NTPs), molecules and atoms are activated and excited by strong electric fields resulting in nonequilibrium between the species, unlike very high temperatures required by ‘thermal plasmas’ as a result of the equilibrium temperature between the species. As such, various chemical reactions can be activated by NTPs at relatively low temperatures and ambient pressure in NTPs, even
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Recent advances of single-atom catalysts for peroxymonosulfate-based advanced oxidation processes aimed at environmental remediation Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-06-03 Ying Guan, Shaofeng Wang, Fangqun Gan, Pinzhu Qin, Zongping Shao
Owing to their ultrahigh utilization of active sites, single-atom catalysts (SACs) with electronic features that depend on metal centers and coordination microenvironments are fantastic materials for catalyzing the advanced oxidation processes (AOPs) of peroxymonosulfate (PMS). Catalytic active sites in SACs and the corresponding mechanisms in PMS systems are essential to exploring and increasing performance
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Electrified chemical reactors for methane-to-ethylene conversion Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-06-01 Evangelos Delikonstantis, Fabio Cameli, Georgios D Stefanidis
Electrification of ethylene production via methane coupling could represent a considerable step toward decarbonization of the chemical industry. Several promising electrified technologies can drive the reaction via different energy delivery modes (e.g. Joule and dielectric heating, mechanical/rotational energy, and plasma discharge). However, only few systems have been experimentally tested with this
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Recent advances in carbon-based non-noble single-atom catalysts for rechargeable zinc–air batteries Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-06-01 Sujuan Hu, Mingshan Zhu
Rechargeable zinc–air batteries (ZABs) have been considered as highly competitive candidates for next-generation sustainable electrochemical energy conversion and storage devices due to their high theoretical specific energy density, low cost, high safety, and high metal abundance. However, the sluggish reaction kinetics of the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) in
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Editorial overview: The chemical engineering aspects of CO2 capture, combined with its utilization Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-05-29 Kevin M Van Geem
Abstract not available
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Editorial overview: Frontiers of chemical engineering: 2D membranes: Materials, mechanisms and manufacturing Curr. Opin. Chem. Eng. (IF 6.6) Pub Date : 2023-05-26 Davide Mattia, Ming Xie
Abstract not available