The separation of azeotropes is of great significance for improving product quality, optimizing production processes, and promoting the development of related technologies. This study used quaternary ammonium salt-based deep eutectic solvents (DESs) to separate azeotropic ethanol and methyl acetate mixtures. COSMO-RS software was used to facilitate the screening of the extractants. The best extractant

Microbubbles have great potential in enhancing gas-to-liquid mass transfer. However, there is still a lack of systematic research on how the liquid properties affect the hydrodynamics and mass transfer characteristics of a single microbubble. In this work, the diameter, velocity, and mass transfer of a single microbubble in liquids with different properties were analyzed by using high-speed photograph

Multimetallic metal–organic framework (MOF) nanoparticles have been regarded as promising electrocatalysts for the oxygen evolution reaction (OER) due to their small size, porous structure, and synergistic active metal site. However, limitations such as stringent preparation conditions, long reaction times, and low yields restrict their further application. Herein, an instantaneous and continuous approach

Microbubble technology is promising for intensifying gas–liquid mass transfer in the bubble column reactor (BCR). The HiGee microbubble generator (HMG), flexibly controlling the microbubble size by adjusting the rotational speed, was developed for the BCR with obvious advantages. However, the hydrodynamics and mass transfer performance of the microbubble swarm generated by HMG in the bubble column

The selective hydrogenation of acetylene to remove trace acetylene in ethylene plays a significant role in the ethylene polymerization industry. Herein, boron nitride (BN) was selected for encapsulating Pd nanoparticles to prepare a catalyst with atomic Pd sites exposed by a simple inorganic precursor‐based strategy. This atomically exposed Pd catalyst favors the desorption of ethylene kinetically

Proton exchange membrane fuel cells (PEMFCs) are regarded as a cornerstone of next‐generation energy conversion technologies due to zero emission and high energy efficiency. However, the high cost and scarcity of conventional Pt‐based electrocatalysts hinder its commercialization. Herein, we successfully developed a platinum and cobalt bimetallic covalent organic polymer (Pt‐CoNC) electrocatalyst with

The swift advancement of monovalent anion perm-selective membranes (MAPMs) presents a promising and sustainable approach for anion separation. However, their progress remains predominantly based on microphase-separated membranes characterized by wide, swelling ion-selective channels. In this study, the rigidity and flexibility coupled concept was employed to engineer rigidly confined ion-selective

Grubbs third-generation catalyst (G3) in ring-opening metathesis polymerization (ROMP) shows unique kinetic behaviors and ligand-addition enabled metathesis activity regulation, while several kinetic features have not been fully revealed. In this work, a thorough kinetic analysis of G3-catalyzed ROMP, for the first time, is carried out via method-of-moments-based numerical simulation and experiments

Anaerobes thrive in the absence of oxygen and are an untapped reservoir of biotechnological potential. Therefore, bioprospecting efforts focused on anaerobic microbial diversity could rapidly uncover new enzymes, pathways, and chassis organisms to drive biotechnology innovation. Despite their potential utility, anaerobic fermenters are viewed as inefficient from a biochemical perspective because their

Topological transformation of layered double hydroxides (LDHs) containing bimetal components is a powerful method for producing bimetal catalysts, but suffers from uncontrollable bimetal structures and catalytically active sites due to the indistinct mechanism. This work demonstrates the manipulation of CuCo structure by simply changing the aspect ratio or Cu/Co distribution (one in layer and the other

Ultrathin and robust composite anion exchange membranes are developed by infiltrating poly(biphenyl piperidinium) solution into PE porous substrate and overcoming the poor wettability of the PE substrate in a pore‐filling procedure. By strengthening the binding between ionomers and the porous substrate via a physical interlocking strategy, symmetric and dense composite membranes were developed. A representative

The recovery of valuable metals from spent lithium‐ion batteries is pivotal for overcoming lithium resource shortages and mitigating environmental pollution. Herein, we propose a novel selective electrodialysis with bipolar membranes (BMSED) process for simultaneous cobalt and lithium recovery from a citric acid‐leaching lithium‐ion battery solution. By taking advantage of the accelerated water dissociation

Sluggish internal mass transfer within granulated adsorbents constrains the efficiency of Li+ extraction from low‐grade salt lakes. In this study, Li+ diffusion behavior simulations using finite element analysis indicated that reducing the granule dimensionality enhanced Li+ transfer in aluminum‐based lithium adsorbents, with ionic strength as the driving force. Hence, low‐dimensional aluminum‐based

Given the scarcity of helium (He) resources, the application of scalable and energy‐efficient membrane‐mediated separation techniques for helium extraction holds substantial potential; however, few membrane materials have been reported for lean‐helium extraction from natural gas feeds (<1000 ppm). Herein, we present a facile strategy for fabricating the carbon molecular sieve (CMS) hollow fiber membranes

Nanofluid droplets have considerable applications in industry. In this study, the coalescence dynamics of nanofluid droplets in an expansion chamber structure microchannel were visually investigated; the shape and liquid bridge evolutions of droplets were studied systematically. Five droplet coalescence flow patterns were observed: non-contact, double coalescence, cascade coalescence, compact slug

The polymerization of isobutylene is an important chemical reaction process. In order to overcome the shortcomings of existing industrial fixed-bed reactors in application, a new gas-liquid-solid circulating mini-fluidized bed reactor with an inner diameter of 10 mm is developed. The influences of operating conditions, solvents, and reactant properties on isobutylene conversion, selectivity, and yield

A novel Rh1Co single-atom alloy (SAA) catalyst, in which Rh species are atomically dispersed on Co nanoparticles that are anchored by N-doped carbon (N-C) matrix for hydroformylation of olefins. The Rh1Co SAA/N-C catalyst exhibits high activity towards the hydroformylation of 1-hexene, achieving both nearly 100% conversion and selectivity as well as good cycle stability. It also shows extremely wide

Laborious first-principles calculations and trial-and-error experimentation often fail to meet the demands of rational and efficient catalyst development. This paper introduces an approach that integrates costly labeled data with process reaction mechanisms for catalyst formulation in the high-value conversion of glycerol. We developed an innovative system framework, POCOM, which simultaneously generates

Membrane fouling significantly hinders the efficacy of membrane separation engineering in treating oily wastewater. Here, a combined internal and external modification strategy was presented to fabricate a functionalized zwitterionic polyacrylonitrile (PAN) fiber membrane with enhanced antifouling properties for stable emulsion separation. Internally, a zwitterionic polymer betaine methacrylate sulfonate

The rational design of single‐atom catalysts (SACs) with controllable coordination environments is indispensable for various target reactions. It is still a challenge due to the difficulty in understanding atomic behavior specifically in complex synthetic processes. Notably, such deep research and structure–activity relationship of tungsten (W) SACs are still unclear because of its variable oxidation

A low‐cost, low‐noise, high‐frequency microchannel photoelectric detection device based on a photodiode was developed. Based on this device, photoelectric waveforms of gas–liquid and liquid–liquid two‐phase flows in a microchannel were collected, and then online flow pattern detection was realized by using artificial intelligence algorithms. Light intensity distribution characteristics of slug flow

Physical adsorption is crucial in many industrial processes, prompting researchers to develop new materials for energy‐efficient processes. Porous adsorbents are particularly promising due to their design flexibility, and computational screening has accelerated the search for optimal materials. Recently, classical density functional theory (cDFT) has emerged as a faster screening alternative to state‐of‐the‐art

Energy‐efficient pressure swing adsorption (PSA), a technology boosted by extensive research on emerging adsorbents, is a potential alternative to ethylene purification. We investigated, for the first time, the scale‐up synthesis, shaping, and high‐pressure ethylene‐adsorption performance of an ultra‐microporous adsorbent, CPL‐1‐NH2, with an S‐type isotherm for ethylene. Based on the static adsorption

The syngas chemical looping (SCL) process is an advanced thermochemical approach for hydrogen production with in situ carbon capture. This article proposes a novel Ni–Fe bimetallic oxide in a three‐reactor chemical looping system. In the moving bed reducer, a mixture of NiO and Fe3O4 is countercurrently reduced by syngas to Ni and Fe/FeO. In the oxidizer, the Fe/FeO mixture is oxidized back to Fe3O4

Molybdenum (Mo) serves as the key site in the nitrogenase enzyme, catalyzing the conversion of N2 into NH3 under ambient conditions. However, the strong affinity of Mo sites for N2 hinders H2 adsorption due to the competitive nature of N2 and H2 on a single site, resulting in an unsatisfactory ammonia synthesis performance. Here, we propose an approach of intervening C60 layer as a second site for

One of the challenges to using concentrated solar energy (CSE) is the development of innovative fluids or mixtures of fluid and particle systems to efficiently adsorb concentrated solar radiation and transfer heat. In this article, the large‐eddy simulation (LES) model and a computational fluid dynamics (CFD) approach were used to simulate CSE absorption by a fluidized bed of silicon carbide (SiC)

In this article, a generalized optimization framework is proposed for the synthesis of thermally coupled distillation systems within an equation‐oriented environment. The proposed framework consists of three components: an efficient superstructure representation, a novel mathematical formulation, and the associated solution algorithm, encompassing a broad range of alternatives. The mathematical model

Operational uncertainties and disruptions present significant challenges in maintaining the resilience and sustainability of pharmaceutical supply chains. Ensuring efficient operations, minimizing emissions, and enhancing distribution reliability are essential for sustainable supply chain performance. This work examines the challenges posed by uncertainty and disruption in the pharmaceutical supply

The insufficient light absorption capacity and severe photogenerated carrier recombination limit the overall efficiency of photocatalysts. Herein, we designed carbon‐rich poly(heptazine imide) (PHI) by copolymerization of melamine and 2,4,6‐triamine‐pyrimidine with KCl/KI. This material has been demonstrated to markedly enhance the utilization rate of photons while simultaneously optimizing the charge

This study introduces a pioneering application of triiodide ionic liquids (ILs) for the efficient and sustainable recovery of gold (Au) from real‐world, various types of electronic wastes. Our method significantly reduces both environmental impact and reagent expenses, while operating under mild conditions. This technique is ideal for practical applications given its ultra‐fast leaching (5 min) and

Nanoparticle formation in high‐temperature rapid reactions involves multiple phases—chemical reactions, nucleation, growth and aggregation—that interact across various temporal and spatial scales to shape particle size distribution and morphology. This study presents a numerical simulation method combining density functional theory (DFT) with computational fluid dynamics –population balance model (CFD–PBM)

The refining industry's substantial hydrogen demand relies on high‐carbon‐emission production methods, facing dual challenges of reducing costs and achieving net‐zero emissions. This study proposes a renewable energy‐powered water electrolysis system integrated with seasonal hydrogen storage to address these challenges. A multi‐objective capacity optimization model is developed to minimize costs and

Integrated dynamic scheduling (IDS) and economic nonlinear model predictive control (eNMPC) enable economic operation of chemical plants subject to volatile energy prices. Herein, we combine the two concepts into an integrated two‐layer scheme. Therein, IDS performs “long‐horizon” scheduling on a day‐ahead (DA) market and eNMPC “short‐horizon” improvements on an intra‐day (ID) market. A case study

Photothermal catalytic dry reforming of methane (DRM) provides a sustainable carbon conversion route, but the syngas production rates remain unsatisfactory under low‐temperature conditions. This study reported a layered double hydroxide‐derived Ni–NiO heterojunction catalyst with optimized electronic environments via Ce doping. The Ce‐doped Ni–NiO catalyst exhibited excellent photothermal DRM performance

The surface effect of certain material such as silicon wafer, quartz or mica on the formation of CO2 hydrate is studied by in situ visual observation of CO2 gas reacting with a water droplet in a restricted space. The results obtained show that the growing process of CO2 hydrate in a restricted space can be divided into two consecutive stages, hydrate covering at gas–liquid interface and hydrate spreading

Ammonia is a carbon‐free energy carrier with 17.6 wt% hydrogen content. The design of an efficient and compact ammonia decomposition reactor based on low‐temperature catalysts is the key to realizing industrial hydrogen production from ammonia. In this work, a multiscale model was developed by bridging the particle‐scale characteristics of catalysts and reactor performances, to fully comprehend the

Surfactant modification to improve interfacial hydrophobicity is widely employed in separation applications such as mineral recovery. However, few modifications effectively enhance both the inherent hydrophobicity of the surfactant and its surface‐anchoring capacity. In this study, we propose a strategy to incorporate a thioether group into a hydroxamate surfactant, resulting in the synthesis of N

Here, the effect of ionic liquid (IL) on the kinetics of CO2 desorption in amine solutions was investigated. N‐(2‐aminoethyl) ethanolamine (AEEA) and N,N‐diethylethanolamine (DEEA) were used as representatives of primary/secondary and tertiary amines. Results indicated that IL had a promoting effect on AEEA, but not on DEEA. The initial desorption rate of AEEA can be improved by up to 36.4%. Kinetics

Hydrogen‐bonded organic frameworks (HOFs) feature a highly ordered pore structure, abundant organic functional groups, and unique solution‐processability, holding great promise in gas separations. In this study, we explored the fabrication of HOF membranes utilizing a dispersion‐controlled deposition (DCD) method. To achieve homogeneous dispersion, the bulk HOF aggregates were initially dispersed in

Developing non‐noble metal hydrogen evolution reaction (HER) catalysts with high efficiency for water dissociation in alkaline environments is crucial for achieving cost‐effective alkaline water electrolyzer. Surface engineering offers immense potential to design promising HER catalysts with enhanced performance, but it faces multiple challenges such as optimizing hydrogen adsorption energy. Herein

Achieving seamless integration between polymer‐filler remains a significant challenge in gas separation mixed matrix membranes (MMMs), particularly with glassy polymers of intrinsic microporosity (PIMs). Here, we report a homointerface strategy for fabricating high‐performance MMMs by the modulated synthesis of zeolitic imidazolate framework ZIF‐8 fillers with amidoxime‐modified polymer of intrinsic

To address poor radial mixing in conventional pulsed fluidized beds (PFB), a novel antiphase alternating‐pulse fluidized bed (AAPFB) is proposed to improve the fluidization quality by combining a well‐designed air distributor and a non‐steady‐state gas intake technique. Detailed analysis of flow field differences among uniform flow fluidized bed (UFB), PFB, and AAPFB was conducted through numerical

Chemical conversion of carbon dioxide (CO2) to dimethyl carbonate (DMC) through reaction with methanol is an attractive and green synthesis strategy with the advantage of 100% atom economy for CO2. However, efficient CO2 activation to achieve high DMC yield remains challenging. Herein, we report defect‐rich cerium dioxide (CeO2) with abundant unsaturated Ce3+ and lattice oxygen induced by high‐entropy

Electrically switched ion exchange (ESIX) is a promising approach for extracting Li+ from brines with high Mg/Li ratios. However, the effect of operating conditions and film electrode parameters on electrochemical performance remains unclear. Herein, a dynamic multiphysics and multizone model was developed to describe the ESIX process with self‐driven adsorption, using an LMO/PPy electrode pair for

Designing and fabricating uniformly dispersed non‐precious metal active sites with tuned geometric configurations and local coordination environments for the selective conversion of functional groups to desired products is of great importance but remains challenging in industrial catalytic processes. In this work, we propose a straightforward method for synthesizing the Co3Sn2 intermetallic catalyst

Trace ammonia reversible adsorption and sieving using solid adsorbents present a critical challenge in the practical deployment of ammonia‐hydrogen fuel cells. Herein, we design porous polydivinylbenzene (P‐PDVB) through one‐pot solvothermal polymerization without additional templates. Subsequently, solvent‐induced network swelling was performed to achieve deep sulfonation of the P‐PDVB using chlorosulfonic

This study presents the successful mechanically mediated bulk atom transfer radical polymerization (mechano‐ATRP) of methyl acrylate (MA) using the high‐performance piezoelectric material Bi0.5Na0.5TiO3 (BNT) under ultrasonic conditions. Compared to the widely used BaTiO3 in mechano‐ATRP, BNT demonstrates superior piezoelectric performance, enhancing carrier generation, separation, and interfacial

Formulating a synergetic strategy to govern the catalytic function of dual metal sites is paramount to achieving precise control of cascade reactions. Herein, we construct a dual‐site cascade catalyst with Pt and Ru species localized in the micropores and mesopores of zeolite, respectively. This architecture enables the spatial separation of Pt and Ru sites in nanoscale proximity. Compared to mono/bi‐metallic

This study investigates the impact of ridge baffles on the hydrodynamics of cold hydrogenation fluidized bed reactors (FBRs) using Euler–Euler simulations. The model was validated by comparing predicted pressure drops and bed expansion ratios with literature results. A comparative analysis was performed on 3D FBRs with and without ridge baffles in terms of solid holdup, gas–solid velocity distribution

This review aims to explore the potential of hydrate technology, an emerging and innovative approach in the food and beverage sector for applications such as food preservation, carbonation, baking agents, and juice concentration. In particular, the latest advancements and limitations of hydrate technology are explored and discussed. Based on a collection of experimental and modeling data available

Metal–organic frameworks (MOFs), as an emerging class of porous materials, demonstrated substantial potential for applications in chemical engineering processes. However, their production often generates significant waste including ionic residues and organic solvents, posing considerable environmental concerns. Herein, we report the environmentally benign MOF synthesis with metal oxides precursors

Piezoelectric pulsation‐driven glass nozzles are capable of generating monodisperse droplets through liquid jet breakup. Due to the lack of fundamental understanding of this process, how to ensure uniform droplet generation with a specified size for liquids with specific rheological properties remains unknown. In this work, the complete atomization process including phenomena in and outside of the

Optimizing kinetic barriers of hydrogen spillover for selective hydrogenation on supported catalysts with dual‐active sites faces a significant challenge due to inherent contradiction between H2 activation and *H transformation from metal to support. Herein, the adsorption energy of *H (Ead(H)) on metal has been demonstrated as a viable descriptor for understanding hydrogenation on the WO3 surface

Industrial sabbaticals provide a unique learning opportunity for both professors and the host company. However, a successful sabbatical requires early alignment regarding objectives followed by careful planning to maximize the value of the experience. We offer this description of our recent experience to give our academic and industrial colleagues practical advice for designing and executing a successful

Green NH3 production is challenged by high energy consumption, costs, and low yields. Here, we proposed a new green NH3 process utilizing microwave (MW)‐driven N2 transformations (GreenE+MW). This process integrates water electrolysis, air separation, MW‐assisted NH3 synthesis, and NH3 separation. For comparison, a green NH3 process using the Haber–Bosch technology (GreenE+HB) was established, and

Highly dispersed Pt‐bimetallic sub‐nanometer catalysts are crucial for efficient propane dehydrogenation (PDH), but synthesizing them with cost‐effective Pt precursors is challenging due to Pt's tendency to agglomerate, reducing catalytic activity. This study presents a Cs+‐mediated vacancy‐anchoring strategy to fabricate sub‐nanometer Pt‐bimetallic aggregates (CsPtM, M = Sn, V, Cr, Zn, Ga, Mn, Nb

This work aims on establishing an improved model for bubble breakup in turbulent flows. To achieve this goal, the impact of bubble shape on the critical size for distinguishing large and small eddies, cross‐sectional area of eddy‐bubble collision tube, energy increment breakage criterion, and force breakage criterion is deeply studied, and accurate formulas quantifying these effects are incorporated

Electrochemical carbon dioxide reduction reaction (CO2RR) is one of the most prospective strategies to achieve carbon neutrality. Multi‐carbon compound (C2+) products have higher commercial value and wider applications, among which ethanol is a widely used chemical feedstock and high energy density fuel. Here, we prepared nitrogen‐doped carbon nanofibers containing copper‐zinc double atoms using the

Distillation is widely used for separating liquid mixtures, but its high heating demand poses challenges for achieving net‐zero emissions. This study presents an innovative approach to electrifying distillation for load adaptability and flexible operation, aligning with dynamic electricity markets driven by renewables. The approach integrates flash vapor circulation and thermal storage into the distillation