Journal of Chemical Engineering of Japan

Journal of Chemical Engineering of Japan Peer-reviewed scientific journal published since 1968 / Society of Chemical Engineers, Japan / Gold Open Access since 2023 / DOAJ

JCEJ publishes timely original research in the broad field of chemical engineering ranging from fundamental principles to practical applications. JCEJ is an international research journal and invites your contributions and subscriptions. All areas of chemical engineering are covered, including:

Physical Properties and Physical Chemistry,
Transport Phenomena and Fluid Engineering,
Particle Engineering,
Separation Engineering,
Thermal Engineering,
Chemical Reaction Engineering,
Process Systems Engineering and Safety,
Biochemical,
Food and Medical Engineering,
Micro and Nano Systems,
Materials Engineering and Interfacial Phenomena,
Energy, Environment, and
Engineering Education.

Carbon‑neutral city gas is within reach—by comparing hydrogen‑reduction methods in CO₂ methanation, researchers pinpoint...
19/01/2026

Carbon‑neutral city gas is within reach—by comparing hydrogen‑reduction methods in CO₂ methanation, researchers pinpoint ethanol dehydration–hydrogenation and selective oxidation as top performers. See the detailed reactor designs.




Taylor & Francis Research Journal of Chemical Engineering of Japan

Methane production through CO2 methanation has gained considerable interest as a measure to achieve carbon neutrality in city gas. High methane purity is required to use the gas produced by methana...

Cryogenic DAC is gaining traction—this study numerically characterizes dry‑ice behavior in a LNG‑powered system. The res...
06/01/2026

Cryogenic DAC is gaining traction—this study numerically characterizes dry‑ice behavior in a LNG‑powered system. The results guide optimal sizing of heating tanks and heat flux for scalable CO₂ capture.

Taylor & Francis Research Journal of Chemical Engineering of Japan 公益社団法人 化学工学会



To develop a novel cryo-DAC system that directly captures CO2 from the atmosphere using the cryogenic heat of liquefied natural gas, we aim to obtain design and development guidelines for a cryo-DA...

New data on bubble rise velocities and drift fluxes in air‑water columns sharpen gas‑holdup models. Eight sparger types ...
26/12/2025

New data on bubble rise velocities and drift fluxes in air‑water columns sharpen gas‑holdup models. Eight sparger types and varied pressure were tested, offering guidance for designing efficient contactors.


Taylor & Francis Research Journal of Chemical Engineering of Japan 公益社団法人 化学工学会

Bubble columns (BCs) are widely used gas-liquid contactors in the chemical industry. Their hydrodynamic and mass transfer performance depends on the prevailing flow regime (FR) and the gas sparger ...

Off‑peak heat pump operation with TES cuts daily energy use 48% and raises COP to 5.24, slashing costs for a 300‑person ...
26/12/2025

Off‑peak heat pump operation with TES cuts daily energy use 48% and raises COP to 5.24, slashing costs for a 300‑person office in New Delhi. Great for peak‑load reduction and emissions.


Taylor & Francis Research Journal of Chemical Engineering of Japan 公益社団法人 化学工学会

Optimizing energy consumption in heating, ventilation and air conditioning (HVAC) systems is essential due to rising energy costs and environmental concerns. This study investigates the integration...

Unlocking NH3 solubility in ionic liquids with data‑driven ML! 🚀Random Forest, ANN & CatBoost deliver the best accuracy....
11/11/2025

Unlocking NH3 solubility in ionic liquids with data‑driven ML! 🚀
Random Forest, ANN & CatBoost deliver the best accuracy. Pressure, temperature and IL descriptors are key. Read the full study now!


Taylor & Francis Research Journal of Chemical Engineering of Japan

The primary goal of estimating NH3 solubility in ionic liquids (ILs) is to develop reliable algorithms capable of accurately capturing complex relationships between key input parameters like pressu...

Why do shear‑thinning fluids reduce circumferential velocity at blade front? This study decodes blade‑fluid interaction—...
06/11/2025

Why do shear‑thinning fluids reduce circumferential velocity at blade front? This study decodes blade‑fluid interaction—essential reading for process engineers.




Taylor & Francis Research Journal of Chemical Engineering of Japan

Multistage impellers are widely used in the chemical industry to enhance the mixing of shear-thinning fluids. However, the local velocity around multistage impellers has not been sufficiently inves...

Polymer additives steer benzoic acid crystal growth: PEI, PAA, PVA promote surface‑integration; MC & CMC promote agglom...
05/11/2025

Polymer additives steer benzoic acid crystal growth: PEI, PAA, PVA promote surface‑integration; MC & CMC promote agglomeration. Study deciphers kinetic‑thermodynamic switch.


Taylor & Francis Research Journal of Chemical Engineering of Japan 公益社団法人 化学工学会

Reactive crystallization of benzoic acid was carried out in the solution of some polymers, polyethylenimine (PEI); poly(acrylic) acid (PAA); poly(vinyl) alcohol (PVA); Methylcellulose (MC); sodium ...

Green hydrogen from sunlight: the review details how hydrophilicpolymer photocatalysts overcome hydrophobic limits to bo...
04/11/2025

Green hydrogen from sunlight: the review details how hydrophilic
polymer photocatalysts overcome hydrophobic limits to boost
visible‑light hydrogen evolution.


Taylor & Francis Research Journal of Chemical Engineering of Japan 公益社団法人 化学工学会

The production of hydrogen through visible-light-driven water splitting, inspired by natural photosynthesis, is one of the most efficient and environmentally sustainable methods for converting abun...

New study visualises the isolated mixing region (IMR) in laminarstirred tanks using fluorescence. Findings show impeller...
29/10/2025

New study visualises the isolated mixing region (IMR) in laminar
stirred tanks using fluorescence. Findings show impeller diameter
shifts radial IMR; blade width & number affect vertical placement.



Taylor & Francis Research 公益社団法人 化学工学会 Journal of Chemical Engineering of Japan

Identifying the location of the isolated mixing region (IMR) that forms in a laminar stirred tank is useful for improving the design of impellers. In this study, the IMR was visualized using induce...

Progressive freeze‑concentration in a rotating annular apparatusoffers a new route to selectively concentrate fatty‑acid...
08/10/2025

Progressive freeze‑concentration in a rotating annular apparatus
offers a new route to selectively concentrate fatty‑acid salts in
ice—promising for cryogenic separation.


Taylor & Francis Research Journal of Chemical Engineering of Japan Taylor & Francis

Using an annular cylindrical cooling apparatus (ACCA) composed of a rotating inner cylinder and a stationary outer cylinder, we applied progressive freeze-concentration (PFC) of an aqueous solution...

Microwave plasma quenching: tube mode beats rod mode at high SEI,hitting 73% CO₂ conversion & 39% efficiency versus 60%/...
06/10/2025

Microwave plasma quenching: tube mode beats rod mode at high SEI,hitting 73% CO₂ conversion & 39% efficiency versus 60%/32%. Adequate cooling cuts CO combustion.



Taylor & Francis Research Journal of Chemical Engineering of Japan

Plasma-assisted CO2 conversion is attracting growing attention. The post-discharge gas quenching is one of the promising methods to enhance CO2 splitting. In this study, we experimentally investiga...

Zeolite 13X can keep in‑vehicle CO2 below 1000 ppm for 2 h at 40%RH—ideal for cars. High capacity, fast kinetics, and ea...
01/10/2025

Zeolite 13X can keep in‑vehicle CO2 below 1000 ppm for 2 h at 40%RH—ideal for cars. High capacity, fast kinetics, and easy regeneration with a little fresh air. A compact CO2 capture solution for cleaner rides!

“Effect of Operation Conditions on Low Concentration CO2 Adsorption of Zeolite 13X for in-Vehicle Air Quality”


Taylor & Francis Research Taylor & Francis Journal of Chemical Engineering of Japan

In confined spaces, especially a car cabin, CO2 may lead to fatigue, weariness, drowsiness, sleepiness, etc. and limit the ability to concentrate with its concentration. Although ventilation is fre...

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