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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
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Ceria-Promoted Titanium Dioxide (CeO2/TiO2) Nanocomposites for Efficient Phenol Removal under Advanced Oxidation Processes (AOPs) Guitouni, Farah; Rekkab-Hammoumraoui, Ilhem; El Korso, Sanaa; Sassi, Mohamed; Ziani-Cherif, Chewki
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.20545

Abstract

In this study, a series of x %CeO2/TiO2 (x= 1, 2, 3, 5 and 10) catalysts were successfully synthesized with Ce(NO3)3.6H2O as precursor via a simple wetness impregnation method. The resulting samples were characterized by XRD, FTIR, surface area and pore volume measurements, Raman spectroscopy, SEM, and UV-Vis -DRS. These catalysts were used for the degradation of the phenol through three types of advanced oxidation processes (AOPs), namely the heterogeneous Fenton process (photocatalyst/H2O2), the photocatalysis process (photocatalyst/UV), and the photo-Fenton process (photocatalyst/UV/H2O2). The 10 ‎%‎ CeO2/TiO2 catalyst showed superior degradation efficiency of 99.05 ‎%‎, when used in the heterogeneous photo-Fenton process. To determine the optimal conditions for phenol degradation, using the heterogeneous photo-Fenton process, the effects of parameters such as photocatalyst dosage, initial pH, phenol concentration, H2O2 volume, and temperature were investigated. The optimal conditions were as follows: 0.1 g of catalyst, 0.6 mM of hydrogen peroxide, a reaction temperature of 25 °C, an initial pH of 8, an initial phenol concentration of 30 ppm, and a reaction time of 240 minutes. The impact of radical scavengers (such as p-benzonquinone, silver nitrate, EDTA-2Na and propan-2-ol) on degradation efficiency was also studied. For all three oxidation processes, phenol photodegradation could be described by the pseudo-first-order kinetics according to the Langmuir-Hinshelwood model. Furthermore, the catalysts could be easily recovered from the reaction solution by centrifugation and reused for five cycles without significant loss of activity. 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).
Alkylation of Benzene with Ethanol over ZSM-5 Based La–P Catalysts Mamedov, Sabit Eyyub; Iskenderova, Aynur Abulfat; Mammadov, Eyyub Sabit; Akhmedova, Nargiz Firudin; Kerimli, Fuad Shamsaddin; Ismayilova, Sevda Baba
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.20517

Abstract

Benzene ethylation in the presence of HZSM-5 zeolites is a promising method for producing ethylbenzene. This study examined the effects of modifying lanthanum and phosphorus as additives to the HZSM-5 catalyst, tested in the temperature range of 300-500 °C, at a benzene to ethanol molar ratio of 2:1 in a hydrogen stream. The influence of promoters on acidity and pore structure was investigated using X-ray Diffraction (XRD), NH3 Temperature Programmed Desorption (NH3-TPD), Scanning Electron Microscope (SEM), Brunauer, Emmett, and Teller (BET), and Barrett-Joyner-Halenda (BJH). Among 4%La samples, 4%P/HZSM-5 demonstrated higher ethylbenzene selectivity and operational stability associated with a decrease in the density of strong acid sites and an increase in zeolite mesoporosity because of modification. 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).
Modification Strategies of Copper Molybdate-based Photocatalysts for Degradation of Organic Compounds in Wastewater: A Mini Review Abdullah, Hamidah binti; Jusoh, Rohayu binti; Safie, Wahaizad bin; Nasaruddin, Ricca Rahman binti; Khan, Maksudur Rahman; Arifin, Md Noor bin
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.20627

Abstract

Visible-light photocatalysis has emerged as a sustainable tertiary‐treatment option. Within this arena, copper molybdate (CuMoO4) is attractive because of its narrow bandgap enables direct solar harvesting while relying on earth-abundant elements. Yet pristine CuMoO4 suffers from low surface area (< 10 m2/g), rapid electron-hole recombination and Cu2+ photocorrosion, which curb quantum yields and raise secondary-pollution concerns. This mini review critically synthesizes research published between 2019 and 2025 on strategies devised to surmount these limitations. Four major areas are surveyed: (i) morphology engineering that multiplies active-site density and deepens light scattering; (ii) plasmonic or single-atom noble-metal decoration that extends spectral response and accelerates interfacial charge separation via localized surface plasmon resonance; (iii) band-gap and defect modulation through doping or oxygen-vacancy creation, narrowing band gap and introducing long-lived trapping states, and (iv) construction of p-n heterojunctions (e.g., ZnO/CuMoO4, graphitic carbon nitride/copper molybdate (g-C3N4/CuMoO4) that yield order-of-magnitude rate enhancements by spatially separating redox half-reactions. The synthesis approaches, from hydrothermal and co-precipitation to thermal-decomposition and solid-state reactions directly influence crystallinity, morphology and defect chemistry, with optimal hydrothermal conditions (180 oC, 10 h) producing high-purity α-CuMoO4 microspheres and oxygen-vacancy-rich Cu-rich phases delivering up to a 0.5 eV bandgap reduction. Emphasis is placed on correlating structural descriptors with pollutant-mineralization kinetics and on emerging green-synthesis trends. Remaining challenges and research priorities including stability against Cu leaching, scalable fabrication and in-situ mechanistic probes are highlighted to guide future catalyst design. 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).
Backmatter (Right Transfer Agreement for Publishing Form) Istadi, Istadi
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.20645

Abstract

Backmatter (Right Transfer Agreement for Publishing Form)
NaHCO₃-Assisted Synthesis of Ni-Promoted Sulfated Mesoporous Silica for the Hydrocracking of Used Cooking Oil into Biogasoline Wijaya, Karna; Vebryana, Marini Fairuz; Prasetyo, Niko; Saviola, Aldino Javier; Saputri, Wahyu Dita; Amin, Amalia Kurnia; Hauli, Latifah; Gea, Saharman
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.20531

Abstract

Biofuel production from biomass sources remains a key area of research, aimed at reducing reliance on fossil fuels and promoting environmental sustainability. This study investigates the conversion of used cooking oil (UCO) into biogasoline via catalytic hydrocracking, employing sulfated mesoporous silica dispersed with nickel as the catalyst. Mesoporous silica was synthesized using tetraethyl orthosilicate (TEOS) and NaHCO₃ as the template, followed by a hydrothermal method to introduce sulfate groups and nickel metal. Among the synthesized catalysts, SMS-2 exhibited the highest acidity across varying sulfuric acid concentrations, while 1 Ni/SMS-2 demonstrated superior acidity compared to other nickel loadings. The SiO₂, SMS-2, and 1 Ni/SMS-2 catalysts were evaluated for UCO hydrocracking in a semi-batch double-furnace reactor operated at an optimum temperature of 550 °C for 2 h, with a hydrogen flow rate of 20 mL min⁻¹ under atmospheric pressure. Modifying mesoporous silica with sulfuric acid and nickel significantly enhanced its catalytic performance, with the 1 Ni/SMS-2 catalyst achieving the highest liquid product yield (66.10%) and gasoline fraction (35.47%) at an optimum catalyst-to-feed ratio of 1:100 (w/w). Notably, the resulting biogasoline exhibited a calorific value comparable to commercial gasoline and was free of aromatic hydrocarbons, indicating the potential for cleaner combustion. This study provides valuable insights into the effectiveness of mesoporous silica-based catalysts, highlighting their acid site modulation capabilities for efficiently transforming waste into high-value fuels. 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).
Crystal Phase-Dependence of Ru@TiO2 Catalysts on the Product Selectivity in the Aqueous Phase Hydrogenolysis of Furfuryl Alcohol Bodoi, Thea Seventina Desiani; Rifwanda, Shauqi Aulia; Rodiansono, Rodiansono; Azzahra, Atina Sabila; Irawati, Utami; Oemry, Ferensa; Sunnardianto, Gagus Ketut; Adilina, Indri Badri; Hara, Takayoshi
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.20547

Abstract

The crystal phase-dependence of ruthenium supported on titania (Ru@TiO2) catalysts on the product selectivity in the aqueous phase hydrogenolysis of furfuryl alcohol (FFalc) was investigated. The supported ruthenium nanoparticles (RuNPs) catalysts on TiO2 with different phases, c.a. rutile (R), anatase (A), and brookite (B) were employed. The Ru@TiO2(R) catalysed the hydrogenation-rearrangement reaction of furan ring to afford cyclopentanone/cyclopentanol (CPO/CPL) as the main product. The presence of high surface acidity in Ru@TiO2(R) catalyst promoted the hydrogenation-rearrangement of furan ring leading to CPO/CPL as the main product as indicated by NH3-TPD and pyridine-ATR-IR results. In contrast, the Ru@TiO2(A) catalyst selectively hydrogenolysed the furan ring to produce 1,5-pentanediol (1,5-PeD). This high selectivity of 1,5-PeD over Ru@TiO2(A) catalyst may be affected by the high dispersion of Ru NPs on TiO2 facets as depicted by the high H2-uptake and small particle sizes. 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).
Modification of HZSM-5 with Phosphotungstate, Silver, and Cobalt to Enhance Catalytic Reaction of Bioethanol to Bioethylene Risnawati, Dhea Atika; Pradana, Nova Yoga; Rochmadi, Rochmadi; Prasetyo, Imam; Saputra, Daffa Dewa; Pranamuda, Hardaning; Tandio, Sugianto; Ariyanto, Teguh
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.20604

Abstract

Developing an optimal catalyst formulation is a critical challenge in expanding sustainable ethylene production and utilization as a chemical intermediate product. Metal oxide impregnation (silver nitrate (AgNO3), cobalt nitrate (Co(NO3)2), and phosphotungstic acid (H3PW12O40)) was used to enhance the catalytic performance of HZSM-5 by increasing active sites and acidity. The preparation of the catalyst was performed by the impregnation of various metals and amounts of loading particles inside the pores of HZSM-5. The particles were impregnated by incipient wetness impregnation and followed by calcination to obtain Ag/HZSM-5, Co/HZSM-5, and W/HZSM-5 catalysts. Characterization techniques, including N2 adsorption-desorption, SEM, and XRD, were used to analyze the catalyst properties. Catalytic performance was evaluated in a packed-bed reactor under varying reaction conditions at WHSV 1.8 h-1. The aim of this research is to identify optimal catalyst formulations that exhibit superior activity in both conversion and selectivity towards ethylene production. Modified HZSM-5 catalysts incorporating Ag, Co, and W exhibited enhanced catalytic performance for bioethanol dehydration to bioethylene, attributed to optimized acidic sites, pore structure, and metal synergy. The 1%W/HZSM-5 catalyst demonstrated superior ethylene conversion (98.2%) and selectivity (99.88%) at 300 ℃. Increasing tungsten loading up to 2% impacted the conversion of bioethanol. 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).
Enhanced Photocatalytic Performance and Kinetic Improvement of Reusable W-based POM Composite for Produced Water Treatment Kusworo, Tutuk Djoko; Kumoro, Andri Cahyo; Veda, Adalia; Mafazan, Rafi; Puspa, Meitri Bella; Azizah, Dita Aulia; Utomo, Dani Puji
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.20616

Abstract

Produced water treatment remains a major challenge due to its complex contaminant composition and the limited efficiency and reusability of conventional photocatalysts. Polyoxometalate (POM)-based materials offer high redox activity and structural tunability. This study presents a novel tungsten-based polyoxometalate (W-based POM) composite with enhanced photocatalytic performance and kinetic superiority for produced water treatment. The objective of this work was to synthesize a reusable W-based POM composite and systematically evaluate its photocatalytic activity, adsorption behavior, kinetics, and stability. The composite was synthesized via a solvothermal method using Na₂WO₄·2H₂O and DMF. Photocatalytic experiments were performed by varying catalyst dosage (0.1–0.5 g), irradiation time (30-180 min), and reusability cycles. The W-based POM composite exhibited a rhombic polyhedral morphology with a well-organized three-dimensional POM framework, reduced crystallite size (14.8 nm), and compressive lattice strain, contributing to improved charge mobility. Optical analysis revealed a red-shift in the absorption edge, reducing the band gap from 2.80 eV to 2.25 eV and enhancing visible-light utilization. Photocatalytic experiments demonstrated high treatment efficiency, achieving 90% NH₃–N and 84% total dissolved solids (TDS) removal under UV irradiation within 180 minutes at an optimal dosage of 0.3 g. Adsorption behavior followed the Dubinin–Radushkevich and Temkin isotherm models, indicating an ion-exchange-dominated mechanism, while kinetic analysis revealed a multi-step process governed by intraparticle diffusion. The composite maintained stable performance over three consecutive cycles without significant activity loss. Overall, the results highlight the strong potential of W-based POM composites as efficient, reusable, and scalable photocatalysts for advanced produced water 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).
Photocatalytic Activity of ZnO/Hydroxyapatite Nanocomposite for Remazol Red RB Removal in Aqueous Solution Under UV and Visible Light Irradiation Sastrawidana, I Dewa Ketut; Saraswati, Luh Putu Ananda; Sukarta, I Nyoman; Wiratini, Ni Made; Sudiana, I Ketut; Suja, I Wayan
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.20548

Abstract

Textile industry wastewater contains synthetic dyes that are resistant to natural degradation, toxic, and capable of polluting aquatic environments. One commonly used dye is Remazol Red RB (RRRB), which is stable and difficult to remove through conventional treatment methods. Therefore, an effective approach is needed to break down this pollutant. This study aimed to develop and characterize a zinc oxide/hydroxyapatite (ZnO/HA) nanocomposite as a photocatalyst for degrading RRRB dye and to evaluate its photocatalytic performance under UV and visible light irradiation. The ZnO/HA nanocomposite was prepared by mixing ZnO and HA at a 1:1 ratio, followed by the addition of a small amount of water. The mixture was milled for 24 hours to obtain nanoscale particles. The resulting material was calcined at 700 °C and characterized using FTIR, XRD, and SEM-EDX to determine its physicochemical properties. Photocatalytic activity tests of the ZnO/HA nanocomposite toward RRRB dye solution were conducted in a batch system under 50-watt UV and visible light irradiation. The operational variables examined included catalyst dosage, initial pH, and dye concentration. FTIR analysis showed characteristic absorption bands of ZnO and HA, indicating successful formation of the nanocomposite. XRD results revealed a crystal size of 19.67 nm, while SEM-EDX confirmed the presence of Zn, Ca, P, and O elements, consistent with the nanocomposite composition. The degradation efficiency of 300 mL of 50 mg/L of RRRB solution at pH of 5 with 2.0 g of ZnO/HA nanocomposite under 50 watts of UV and visible light in succession was 90.43% and 80.93% for 120 minutes of irradiation.  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).
Biomass-Derived Functional Silica Materials for Hydrogen Storage: A Short Review Saeid, Mohammed Faraj; Abdulkadir, Bashir Abubakar; Setiabudi, Herma Dina
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.20614

Abstract

Hydrogen storage remains one of the foremost challenges in the transition to a clean energy economy. While extensive research has focused on metal hydrides, carbon materials, and complex sorbents, biomass-derived silica materials with high purity (90 wt.%), large surface areas (297-895 m2.g-1), and mesopores (3-60 nm) show strong potential for hydrogen storage but remain largely unexplored. This review highlights the synthesis, structural properties, and hydrogen storage potential of biomass-derived functional silica materials, with a particular focus on rice husk (RH) and bamboo as a sustainable and abundant precursor. Two principal silicon extraction strategies, combustion and alkali treatment, are discussed, emphasizing their influence on silica purity, morphology, and amorphous structure retention. Thermochemical processes, including acid leaching and controlled calcination, are shown to be essential for removing impurities and tailoring textural properties such as surface area, pore volume, and pore architecture. RH-derived silica supports exhibit outstanding effectiveness in dispersing transition metals like Ni and Fe, which in turn significantly improve hydrogen sorption kinetics, catalytic efficiency, and the long-term stability of the material. Additionally, the review explores how various synthesis pathways are expected to influence the performance of resulting materials in hydrogen storage systems, noting how structural collapse during reprecipitation or thermal treatment can negate surface advantages if not properly managed. The combined advantages of sustainability, tunable structural properties, and seamless compatibility with existing hydrogen storage strategies position biomass-derived silica as a highly promising next-generation platform for advanced hydrogen storage 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).

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