Themed collection Reaction Chemistry & Engineering Open Access Spotlight

The catalytic aromatization of n-alkanes is an important process in the chemical industry, especially for the production of value-added aromatics from the abundant and unreactive small alkanes.

Solid phase synthesis (SPS) offers a bottom-up approach for assembling (bio-)oligomers and polymers with precise molecular detail.

Heterogeneous polymerization kinetic model has been widely utilized in different research domains.

CO₂ in flow, shockingly effective: a fully continuous-flow system for electrochemical hydrocarboxylation of styrene with CO₂ is reported, featuring precise CO₂ delivery to minimize waste and cut reaction time to 25 seconds, maintaining high selectivity.

This study presents the first continuous-flow application of the homogeneous Shvo's catalyst for selective transfer hydrogenation of furfural to furfuryl alcohol using 2-methyltetrahydrofuran as bio-based solvent and 2-propanol as H-donor.

Roberts et al. demonstrate UDP-N-acetyl glucosamine can be produced in a continuous biocatalytic system. Improvements versus batch include simplified downstream processing, 11-fold increase in space time yield and improvement in enzyme lifetime.

This study presents a photocatalytic evolution of nitrous oxide (N₂O) from nitric monoxide (NO), well known as a harmful gas contained in exhaust gas.

Schematic of autonomous high-throughput reactor for metal oxide nanoparticle synthesis. ML: machine learning.

Recovery of Mn–Co–Ni from acid mine drainage (AMD) via ozone oxidative precipitation.

The development of kinetic models which can accurately describe drug synthesis reactions is an important part of process design in the pharmaceutical industry.

Fast FAU-to-MFI interzeolite conversion is performed in a novel tubular ultrasound-integrated reactor under hydrothermal conditions. Ultrasound, via wave propagation, is found to enhance the growth rate and to counteract solid deposition.

Pore size effects in the e-CO₂RR were studied using templated Ag. The intrinsic activity to CO increases upon increasing pore size. Quantification of the porosity showed that this is due to a higher tortuosity and additional potential drops.

This work describes the synthesis and characterization of a novel cellulose ester (CE) derived from microcrystalline cellulose (MCC) and adipic acid. The CE was used as an additive to improve the mechanical properties of PLA.

Simultaneous esterification and extraction in Pickering emulsion.

This paper investigates how solvent composition, and dynamics influence the aldol-addition reaction, which is an important reaction in acid-catalyzed biomass transformations.

Mechanochemically prepared CeO₂/ZrO₂ catalysts for upgrading VFAs into sustainable aviation fuels.

The thermal transformations of various thienyl and phenyl derivatives of o-divinylbenzene in acidic media were investigated in an integrated experimental–theoretical study.

A graphical user interface for network visualization and analysis is proposed, integrated within the Catalyst Acquisition by Data Science (CADS) platform to simplify the study of chemical reaction networks.

The potential process design of the production of BPA from waste polycarbonate demonstrates that circular BPA is possible at an industrial scale. This process has less safety risks and environmental impact than the traditional BPA production process.

The impact of different catalyst shapes (coatings and packed powder beds) on gradients in the gas phase and in the catalyst's chemical state, together with different heating methods were analysed.

Fluorinated surface-active ionic liquids (FSAILs) exhibit low aqueous solubilities yet actively form micelles. With tungstate catalysts, these inert FSAILs become catalytically active for olefin epoxidation using hydrogen peroxide as the oxidant.

Continuous process engineering leads production of fine chemicals to a new level of industrialisation.

Hydrogenation on reducible oxide surface occurs via reaction of monoanionic ligands with hydrides on O vacancies. DFT-based microkinetic modeling predicts selectivity shift to benzaldehyde as temperature increases during benzoic acid hydrogenation.

A copper alcohol oxidase CRO and ene reductase OYE2 with glucose dehydrogenase GDH, immobilised by metal affinity, enable the conversion of geraniol to (R)-citronellal in a one-pot concurrent cascade.

Continuous flow technology is explored as a process-intensification approach for the direct amidation of methyl esters to produce primary amides.

The Z/E isomers of N-(4-methylphenyl)-3-chloro-2-(phenylthio)propenamide, the Z isomer being a valuable synthetic substrate, were photo-interconverted both in batch and in flow, and the detailed crystal chemistry of both isolated solids elucidated.

This work presents a numerical analysis for glycerol dehydration & acrolein oxidation to produce acrylic acid combining computational fluid dynamics (CFD) with response surface methodology (RSM) techniques.

The use of modular combustion systems with multiple jets is an efficient and reliable solution for combined heat and power applications in the transition to clean and renewable energy for power generation in addressing climate change challenges.

This study shows the potential of a combination of classic diastereomeric salt crystallization with enzymatic racemization yielding an efficient chemoenzymatic pathway for dynamic kinetic resolution of mandelic acid in aqueous media.

A unified platform that improves safety and efficiency in producing diverse libraries of compounds and have the potential to speed up the drug discovery process in medicinal chemistry.

This paper presents a microkinetic model to evaluate the effects of a silicon carbide (SiC) co-support and the shaping method on Mn–Na₂WO₄/SiO₂ catalysts used for the oxidative coupling of methane.

Polymer gel porous monoliths with Hayashi–Jørgensen catalyst are developed for flow asymmetric reactions. Lower cross-linked gel monoliths showed narrow residence time distribution and fast molecular diffusion for high catalytic performance.

The Matteson reaction and the related Matteson–Hoppe–Aggarwal variant were combined in a compartmentalized flow system and the doubly homologated resulting boronate was transformed into the corresponding alcohols after terminal oxidation.

As temperature and heat content matching is important in heat exchange, chemical potential and capacity matching is key to chemical looping processes.

Introducing baffles in the curved channels of serpentine mesoreactors can effectively enhance mixing, resulting in the reaction yields comparable to microreactors, while also achieving a significant increase in reaction throughput.

Light interacts with gas–liquid interfaces, yet photon absorption losses in a capillary and high-shear reactor are minimal. Reflection, refraction and scattering extend the optical path length, enhancing photon absorption when bubbles are small.

A kinetic model for the biphasic production of furfural from xylose is presented after discrimination.

The hydropyrolysis mechanism with and without Ni catalysts of xylan was investigated via molecular dynamics simulations based on the ReaxFF force field.