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Bulletin of Chemical Reaction Engineering & Catalysis
Published by Masyarakat Katalis Indonesia - Indonesian Catalyst Society
ISSN : -     EISSN : 19782993     DOI : https://doi.org/10.9767/bcrec
Core Subject : Science, Engineering,
Chemical Engineering, Chemistry & Bioengineering Chemistry
Bulletin of Chemical Reaction Engineering & Catalysis, a reputable international journal, provides a forum for publishing the novel technologies related to the catalyst, catalysis, chemical reactor, kinetics, and chemical reaction engineering. Scientific articles dealing with the following topics in chemical reaction engineering, catalysis science, and engineering, catalyst preparation method and characterization, novel innovation of chemical reactor, kinetic studies, etc. are particularly welcome. However, articles concerned on the general chemical engineering process are not covered and out of the scope of this journal. This journal encompasses Original Research Articles, Review Articles (only selected/invited authors), and Short Communications, including: fundamentals of catalyst and catalysis; materials and nano-materials for catalyst; chemistry of catalyst and catalysis; surface chemistry of catalyst; applied catalysis; applied bio-catalysis; applied chemical reaction engineering; catalyst regeneration; catalyst deactivation; photocatalyst and photocatalysis; electrocatalysis for fuel cell application; applied bio-reactor; membrane bioreactor; fundamentals of chemical reaction engineering; kinetics studies of chemical reaction engineering; chemical reactor design (not process parameter optimization); enzymatic catalytic reaction (not process parameter optimization); kinetic studies of enzymatic reaction (not process parameter optimization); the industrial practice of catalyst; the industrial practice of chemical reactor engineering; application of plasma technology in catalysis and chemical reactor; and advanced technology for chemical reactors design. However, articles concerned about the "General Chemical Engineering Process" are not covered and out of the scope of this journal.
Arjuna Subject : Teknik Kimia (semua kategori) - Katalisis
Articles 838 Documents
 79   80   81   82   83 
Adsorptive Removal of Cd(II) Ions using Core-Shell Polystyrene@NiFeAl-LDH Nanocomposite: Optimization, Isotherm, and Kinetics Study Raheem, Shahad A.; Mohammed, Ahmed A.
Bulletin of Chemical Reaction Engineering & Catalysis 2026: BCREC Volume 21 Issue 1 Year 2026 (April 2026)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20528

Abstract

In this study, a core-shell nanocomposite was successfully prepared using NiAlFe-LDH as a core coated with polystyrene (PS) nanoparticles with an LDH:PS ratio of 3:1 (PS @NiAlFe-LDH) for the removal of cadmium (Cd2+) from aqueous solutions. PS nanospheres were prepared from styrene monomer recovered from Styrofoam waste. The prepared PS@NiAlFe-LDH was characterized for its structural morphology, elemental composition, surface area, and pore morphology. Results indicated the successful formation of PS nanosphers core coated by platelet LDH shell and a successful adsorption of Cd2+ ions. The maximum adsorption efficiency (95.53%) was achieved under the optimal conditions: pH of 6, PS@NiAlFe-LDH dosage of 0.15 g/100 mL, shaking speed of 200 rpm, and an initial Cd2+ concentration of 100 mg/L at a 90-minute contact time. Langmuir isotherm model was the most accurate in describing the adsorption process with a maximum adsorption capacity of 227.273 mg/g. The pseudo-second-order (PSO) kinetics model described the adsorption behaviour of cadmium ions on PS@NiAlFe-LDH surface as the calculated values from the model were close to the experimental values. The adsorption mechanism was a combination of electrostatic attraction, surface complexation/ion exchange and internal diffusion within the pores. PS@NiAlFe-LDH demonstrated significant reusability, with an efficiency of 57.56% after six regeneration cycles. In conclusion, this study indicates that PS@NiAlFe-LDH nanocomposite exhibits high quality and excellent efficiency in removing cadmium ions from aqueous solutions, owing to its porosity and abundance of active groups on its surface, as well as structural stability after adsorption, which makes it a promising material for environmental remediation applications. Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Nickel-Lanthanum Impregnated into Natural Zeolite as a Catalyst for Biofuel Production from Sunflower Oil via Hydrocracking Process Santiko, Erik Budi; Fauziah, Sarah; Priyanto, Sugeng; Yustinah, Yustinah; Marlinda, Lenny; Sudibyo, Sudibyo; Aziz, Abdul; Oktiarmi, Peri; Yati, Indri; Al Muttaqii, Muhammad
Bulletin of Chemical Reaction Engineering & Catalysis 2026: BCREC Volume 21 Issue 1 Year 2026 (April 2026)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20503

Abstract

The increasing demand for crude oil or fossil fuel as a raw material for oil fuel has been steadily rising over time in line with the development that is taking place in Indonesia. However, biofuels are potential vegetable fuels that can be developed as alternative energy because they are renewable and can be renewed to overcome the energy crisis in the future. For this purpose, a double metal catalyst (impregnated with nickel and lanthanum), is used to make biofuels from sunflower seed oil. The effect of metal ratio on the yield of biofuel products is the concern in this study. The temperature of hydrocracking process was 250-330 ℃ with ratio of metal 5% and 10% (metal ratio 1:1 and 1:2). X-ray diffraction (XRD) shows that natural zeolite has a clinoptilolite phase, X-Ray Fluorescence (XRF) shows that acid and base activation increases the Si/Al ratio from 4.5 to 5, Scanning Electron Microscope – Energy Dispersive X-Ray (SEM-EDX) shows images of natural zeolite surfaces in the form of aggregate pieces, and Brunauer Emmett Teller (BET) shows that acid and base activation increases SBET from 29.96 to 49.73 m2/g and forms a hierarchical natural zeolite. The impregnation of Ni-La/Zeolite catalyst has been successfully carried out using the incipient wetness impregnation method and the best catalyst results were obtained, namely Ni-La/Zeolite 10% (1:2) with a surface area of 15.33 m2/gS. The addition of Nickel and Lanthanum metals caused a decrease in the surface area and average pore diameter of the zeolite. The lowest surface area and average pore diameter were found in the variation of the Ni-La/Zeolite 10% (1:2) catalyst, namely 15.33 m2/g and 13.99 nm. The highest hydrocarbon yield was found in the hydrocracking process with the Ni-La/Zeolite 10% (1:1) catalyst with gasoline, kerosene and gasoil fractions of 0.91; 0.39 and 8.32 (%wt), respectively. The hydrocarbon compound composition of the catalyst includes n-paraffin 4.43%, isoparaffin 0.21%, cycloparaffin 2.99% and olefin 2.71%. Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Green Synthesis of ZnO Nanoparticles using Aloe Vera Extract and Xanthan Gum as Modifier for Photocatalytic Degradation of Anionic and Cationic Dye in Aqueous Solution Fajriati, Imelda; Widiakongko, Priyagung Dhemi; Krisdiyanto, Didik; Hermawati, Heti
Bulletin of Chemical Reaction Engineering & Catalysis 2026: BCREC Volume 21 Issue 1 Year 2026 (April 2026)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20495

Abstract

The green synthesis of Zinc Oxide (ZnO) nanoparticles is a simpler, low-energy method that avoids toxic chemicals, making the process more cost-effective and environmentally friendly. The green synthesis was performed using aloe vera extract (55% - Aloin), rich in electrons from its hydroxyl groups, as a reducing agent, and natural polysaccharides from xanthan gum to disperse particles and prevent agglomeration. The green synthesis product was characterized using scanning electron microscopy, Fourier Transform spectroscopy, X-ray diffraction, transmission electron microscopy, and Diffuse Reflectance UV spectroscopy. The green-synthesized ZnO nanoparticles, both with xanthan gum (ZnO-AL/XG) and without xanthan gum (ZnO-AL), adopted a hexagonal wurtzite crystal structure. The addition of xanthan gum significantly reduced the crystallite size and enhanced the surface homogeneity of the photocatalyst. Over 50% removal of both anionic and cationic dyes was achieved by ZnO-AL/XG for up to 3 uses, and by ZnO-AL for up to 2 uses, respectively. These findings highlight the potential of the aloe vera–xanthan gum-based green synthesis as a sustainable and efficient strategy for producing ZnO nanomaterials applicable in dye wastewater treatment. Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Synthesis of Cu-PTC (Perylene 3,4,9,10-tetracarboxylate) Metal-Organic Framework (MOF) for Methylene Blue Photodegradation Mala, Farhah Syahidatul; Saridewi, Nanda; Nurbayti, Siti; Adawiah, Adawiah; Zulys, Agustino
Bulletin of Chemical Reaction Engineering & Catalysis 2026: BCREC Volume 21 Issue 2 Year 2026 (August 2026)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20525

Abstract

Disposal of synthetic dye waste, including methylene blue, has been increasing in recent years. The photocatalytic method is an effective approach for degrading dyes, using Metal–Organic Frameworks (MOFs) as catalysts and light as the energy source. This study aims to synthesize Cu-PTC MOF as a photocatalyst and evaluate its performance in degrading methylene blue dye. Cu-PTC was synthesized using Cu(NO3)2.3H2O and perylene-3,4,9,10-tetracarboxylic dianhydride (PTCDA) via a solvothermal method. The resulting MOF was characterized using X-ray Diffraction (XRD), Ultraviolet–Visible Diffuse Reflectance Spectroscopy (UV-Vis DRS), Fourier Transform Infrared Spectroscopy (FTIR), and Scanning Electron Microscopy (SEM). Cu-PTC exhibits a bandgap energy of 1.72 eV and characteristic functional groups at wavenumbers 1689 cm-1 (C=O), 1590 cm-1 and 1360 cm-1 (-COO), 3450 cm-1 (O-H), and 738 cm-1 and 654 cm-1 (Cu-O). The Cu-PTC MOF has a crystallinity degree of 85.35%, a crystal size of 35.33 nm, and a rod-like surface morphology. Under visible light irradiation, it achieves an optimum degradation efficiency of 71.45%, with an adsorption capacity of 73.28 mg/g for methylene blue dye at a concentration of 50 ppm, using 25 mg of Cu-PTC MOF at pH of 7 over a period of 60 minutes. Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Catalytic Performance of Environmentally Friendly Calcium Sulfate Hemihydrate-supported Metals (Ti, Fe, Cu or Ag) for Oxidation Styrene to Benzaldehyde Rahmadani, Agung; Nurhadi, Mukhamad; Wirawan, Teguh; Wirhanuddin, Wirhanuddin; Agusti, Nabila Nur; Lai, Sin Yuan; Nur, Hadi
Bulletin of Chemical Reaction Engineering & Catalysis 2026: BCREC Volume 21 Issue 1 Year 2026 (April 2026)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20508

Abstract

This paper presents the synthesis and characterization of calcium sulfate hemihydrate (CSH)-supported Metals (Ti, Fe, Cu or Ag) catalysts and their application in the styrene oxidation to benzaldehyde using hydrogen peroxide (H2O2) as an oxidant. The study explores the catalyst's structure-activity relationship, emphasizing the importance of mesoporous materials for enhanced catalytic performance. The CSH-Metals catalysts were synthesized using fish bone-derived CSH as a support, which aligns with green chemistry principles. Characterization techniques, such as FTIR, XRD, SEM, and BET surface area analysis, confirmed the successful impregnation of Metals (Ti, Fe, Cu or Ag) and its catalytic performance. The catalysts exhibited styrene conversion and high selectivity for benzaldehyde, achieving up to 49.5% and 60.2% for CSH-Ti; 12.9% and 84.1% for CSH-Fe, 19.9% and 61.5% for CSH-Cu, and 13.4% and 92.8% for CSH-Ag. The research highlights that the best catalyst’s performance are CSH-Ti for styrene conversion and CSH-Ag for benzaldehyde selectivity. To support performance interpretation, a fuzzy logic analysis was applied to evaluate the influence of seven key parameters on catalytic behavior. The results revealed that ROS (Reactive Oxygen Species) formation activity, type of metal, and metal–intermediate interaction were the most dominant factors affecting performance. This data-driven insight reinforces the chemical reactivity as the primary determinant of catalyst effectiveness, above physical attributes such as surface area or pore structure. Overall, this study introduces a cost-effective, sustainable, and selective catalyst system for styrene oxidation, demonstrating high potential for industrial application in the production of value-added chemicals with minimal environmental impact. Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Bimetallic Ni–Cu/ZSM-5 Catalysts for Enhanced Phenol and Vanillin Production from Benzyl Phenyl Ether and Lignin Pratama, Arnia Putri; Abdullah, Iman; Krisnandi, Yuni Krisyuningsih
Bulletin of Chemical Reaction Engineering & Catalysis 2026: BCREC Volume 21 Issue 1 Year 2026 (April 2026)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20559

Abstract

Bio-based phenolic chemicals from lignin represent a sustainable alternative to fossil aromatics. This study examines the catalytic conversion of benzyl phenyl ether (BPE) and compares its reactivity with isolated lignin from raw woody biomass waste (ILWB). Hierarchical ZSM-5 zeolite catalysts were synthesized and modified with bimetallic Ni–Cu and monometallic (Ni⁰ and Cu⁰) species. Catalyst characterization by Fourier Transform Infra-Red (FTIR), X-ray Diffraction (XRD), Scanning Electron Microscope - Energy Dispersive X-Ray (SEM-EDX), X-ray Fluorescence (XRF), and Brunauer, Emmett, and Teller (BET) surface area confirmed distinct physicochemical features for each catalyst. Catalytic reactions were conducted in a batch reactor at 100–300 °C for 30 minutes. Products were analyzed by HPLC, identifying phenol and vanillin as key products. The bimetallic Ni–Cu/ZSM-5 catalyst exhibited alloy formation, producing a synergistic effect that enhanced catalytic activity. BPE conversion reached 94.29%, with a phenol yield of 32.25% at 250 °C. Additionally, ILWB lignin was readily converted, achieving 75.31% conversion and a vanillin yield of 15.85% at 200 °C. These findings confirm that Ni–Cu-modified hierarchical ZSM-5 demonstrates superior catalytic behavior for the valorization of lignin and its model compound into high-value chemical products. Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Hybrid TiO₂@SiO₂ Green Hydrogel Nanocatalyst for High-efficiency Photocatalytic Oxidation of Ciprofloxacin under UV Irradiation: Experimentation and RSM Optimization Mansour, Riad; Ferrah, Nacer; Fithriyah, Nurul Hidayati; Purnawan, Irfan; Chabane, Mustapha; Zahouane, Fadila; Melkaoui, Chikh
Bulletin of Chemical Reaction Engineering & Catalysis 2026: BCREC Volume 21 Issue 2 Year 2026 (August 2026)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20615

Abstract

A TiO₂@SiO₂ hydrogel nanocomposite was synthesized via a green sol-gel route for the photocatalytic degradation of ciprofloxacin using a UVA/H2O2 system. The catalyst was optimized via RSM (response surface methodology), identifying UVA irradiation (365 nm) and pH of 5.6 as key parameters, achieving >89% degradation within 180. Characterisation confirmed homogeneous TiO₂ dispersion within a porous SiO₂ matrix. Kinetics followed a pseudo-first-order Langmuir–Hinshelwood model, and the catalyst retained high activity over five reuse cycles. This study introduces a UVA-optimized, RSM-guided photocatalytic system using a green-synthesized TiO₂@SiO₂ hydrogel –distinguished by its integrated process design, operational simplicity, and focus on solar-compatible UVA rather than conventional UVC-driven TiO2@SiO2 systems. Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Cold Plasma Modeling for Air Pollution Control: NOx Removal in Dielectric Barrier Discharge Reactors Labdouni, Nesrine; Benyoucef, Djilali; Tebani, Hocine
Bulletin of Chemical Reaction Engineering & Catalysis 2026: BCREC Volume 21 Issue 1 Year 2026 (April 2026)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20560

Abstract

The paper presents a comprehensive numerical investigation of dielectric barrier discharges (DBDs) operating in atmospheric pressure air (N₂–O₂–Ar) containing NO concentrations between 2.5% and 10% is presented for plasma assisted NOₓ mitigation. A one-dimensional fluid model is developed to describe the discharge dynamics and plasma chemical interactions under applied voltages of 8–12 kV and excitation frequencies of 2–4 kHz. The influence of voltage amplitude and frequency on electrical characteristics and NOₓ removal efficiency is systematically analyzed. A representative operating condition (10% NO, 10 kV, 3 kHz) is examined in detail to elucidate the temporal evolution of voltage and current and the spatial distributions of electrons, ions, excited species, and neutral particles involved in NO dissociation pathways. The results provide improved insight into the reaction kinetics governing NO degradation in air plasma and offer practical guidance for optimizing DBD-based environmental remediation systems. Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Corrigendum to: A Study on IIIA Group Metals (B or Ga or Tl) Doped Mo2C-HZSM-5 Catalysts for Methane Dehydroaromatization Pasupulety, Nagaraju
Bulletin of Chemical Reaction Engineering & Catalysis 2026: BCREC Volume 21 Issue 1 Year 2026 (April 2026)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20643

Abstract

CORRIGENDUM TO:Pasupulety, N., Alamoudi, M. A., Al-Zahrani, A. A. (2025). A Study on IIIA Group Metals (B or Ga or Tl) Doped Mo2C-HZSM-5 Catalysts for Methane Dehydroaromatization. Bulletin of Chemical Reaction Engineering & Catalysis, 20(4), 631-639. DOI: https://doi.org/10.9767/bcrec.20477This article has been corrected by Authors as follow:Corrections to References cited were done by Authors for improving validity, i.e. [12], [19-20], [22-23], [25-31], [33], [35-38], to the article DOI: 10.9767/bcrec.20477.Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Soda-Anthraquinone-Catalyzed Delignification of Coconut Husk Waste Ahmad, Eka Fitriani; Lestari, Puji; Oginawati, Katharina; Yulizar, Yoki; Sianturi, Julinton; Munir, Muhammad Miftahul; Adawiah, Adawiah
Bulletin of Chemical Reaction Engineering & Catalysis 2026: BCREC Volume 21 Issue 1 Year 2026 (April 2026)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20537

Abstract

This study investigates the role of anthraquinone (AQ) in decomposing coconut husk waste, specifically collected from Banten, to produce pure α-cellulose pulp. The process used sodium hydroxide (NaOH) at 10%, 15%, and 20% concentrations, with 0.1 g of AQ added as a catalyst, and a waste-to-liquid ratio of 1:8 throughout. The goal is to accelerate lignin degradation while protecting cellulose in the material, thereby yielding higher-quality pulp. The Banten coconut husk analysis showed an α-cellulose content of 30.38%. Higher NaOH concentrations reduced pulp yield but increased lignin removal, indicated by lower kappa numbers. AQ addition enhanced lignin removal and preserved cellulose compared to the absence of AQ. The optimal outcome was achieved with 15% NaOH and 0.1 g AQ, balancing lignin removal and cellulose preservation. These findings indicate that anthraquinone can support sustainable pulp production from agricultural waste. Copyright © 2026 by Authors, Published by BCREC Publishing Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).

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