cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Istadi
Contact Email
istadi@che.undip.ac.id
Phone
+6281316426342
Journal Mail Official
bcrec@live.undip.ac.id
Editorial Address
Editorial Office of Bulletin of Chemical Reaction Engineering & Catalysis Laboratory of Plasma-Catalysis (R3.5), UPT Laboratorium Terpadu, Universitas Diponegoro Jl. Prof. Soedarto, Semarang, Central Java, Indonesia 50275
Location
Kota semarang,
Jawa tengah
INDONESIA
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
 57   58   59   60   61 
Hexagonal TiO2/SiO2 Porous Microplates for Methylene Blue Photodegradation Ulfa, Maria; Anggreani, Cindy Nur; Mulyani, Bakti; Sholeha, Novia Amalia
Bulletin of Chemical Reaction Engineering & Catalysis 2024: BCREC Volume 19 Issue 1 Year 2024 (April 2024)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20120

Abstract

Hexagonal TiO2/SiO2 Porous Microplates have been successfully synthesized by incorporation of Ti precursors into SiO2 synthesized from Si precursors in a gelatin-CTAB mixture via the hydrothermal method. The prepared samples were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), EDX, nitrogen adsorption-desorption and Fourier transform infrared spectroscopy (FTIR). The sample has a surface area of 735 m2/g, pore volume of 0.67 cc/g, and pore diameter of 3.2 nm, according to the results of the characterization of hexagonal TiO2/SiO2 porous microplates. The transformation of SiO2 microspheres into hexagonal TiO2/SiO2 porous microplates is revealed by a microparticle size increase of 84% and the transition of Si−O bonds into Ti−O and Si−O as measured by FTIR. The photocatalytic activity of hexagonal TiO2/SiO2 porous microplates resulted in 81.15% photodegradation of methylene blue under UV light irradiation within 60 min, which was 21 % better than SiO2. Copyright © 2024 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).
Kinetics of In-Situ Catalytic Pyrolysis of Rice Husk Pellets Using a Multi-Component Kinetics Model Wusana Agung Wibowo; Rochim Bakti Cahyono; Rochmadi Rochmadi; Arief Budiman
Bulletin of Chemical Reaction Engineering & Catalysis 2023: BCREC Volume 18 Issue 1 Year 2023 (April 2023)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.17226

Abstract

Ash-based catalysts, as low-cost materials, are applicable in biomass pyrolysis and play a role in lowering the activation energy. This study enriched the insights of different method of catalyst addition into biomass in the catalytic pyrolysis. The addition of rice husk ash as a catalyst into rice husk pellets allows for better solid-solid contact between the biomass and the catalyst, since the common methods were only solid mixing. This research aimed to investigate the thermal characteristics and kinetics of the biomass components (hemicellulose, cellulose, lignin) in the in-situ catalytic pyrolysis of rice husk pellets with the addition of husk ash. The three-independent parallel reaction kinetics model was used to calculate the kinetics parameters based on thermogravimetric analysis conducted at 303-873 K with various heating rates (5, 10, 20 K/min) and ash addition ratios (10:0, 10:1, 10:2). The thermogram shows that the pyrolysis of rice husk pellets was divided into two stages. Stage 1, ranging from 510-650 K, represented the decomposition of hemicellulose and cellulose, occurring faster with high mass loss, while Stage 2, starting at around 650 K, represented lignin decomposition, occurring more slowly with low mass loss. The catalytic activity of the ash was only apparent at high temperatures, where cellulose and lignin decomposition were more dominant. Activation energy, as a representation of catalytic activity for each component, was not always lower in catalytic pyrolysis. However, the average activation energy decreased with increasing heating rates and ash addition ratios. The addition of the catalyst slowed the decomposition of hemicellulose but accelerated the decomposition of cellulose and lignin. Copyright © 2023 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). 
Carbon Microspheres with Cr(VI) Adsorption Performance were Prepared by In-situ Hydrothermal Carbonization Method Shaojie Chen; Xinzhuo Wu; Mei Li; Yuhan Xu; Zihao Yuan; Zhao Li; Jing Li
Bulletin of Chemical Reaction Engineering & Catalysis 2023: BCREC Volume 18 Issue 3 Year 2023 (October 2023)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20026

Abstract

Biochar material is a renewable adsorbent widely used for treating contaminated wastewater. The hydrothermal carbon (HTC) were prepared from low polymeric sugars and low concentration glucose under hydrothermal carbonization reactions without using dispersants. The composition and structure of the biochar produced were characterized using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), Raman spectroscopy (Raman), and N2 adsorption-desorption, indicating that amorphous graphitic carbon was obtained. Experimental results from the static adsorption of Cr(VI)-contaminated wastewater showed that HTCP-2 exhibited the highest adsorption capacity for Cr(VI), with a maximum adsorption capacity of 22.62 mg.g−1.The adsorption Cr(VI), MB, and RhB by the synthesized biochar all conformed to the pseudo-second-order kinetic model and Freundlich isotherm, suggesting a multilayer chemical adsorption process. Additionally, the synthesized HTC surface is enriched with a significant amount of oxygen-rich functional groups, which also has good adsorption performance for cationic dyes. Furthermore, the test results of fluorescence, photocurrent, and impedance indicate that HTCP-2 possesses the ability to generate and separate photoinduced charge carriers. This implied that HTCP-2 can be used for the preparation of adsorption photocatalysts, which effectively remove environmental pollutants through the synergistic effect of adsorption-photocatalysis. This study provides a research foundation for advancing water treatment technologies. Copyright © 2023 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). 
Backmatter (Publication Ethics, Copyright Transfer Agreement for Publishing Form)
Bulletin of Chemical Reaction Engineering & Catalysis 2015: BCREC Volume 10 Issue 3 Year 2015 (December 2015)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.10.3.9904.App.1-App.10

Abstract

Backmatter (Publication Ethics, Copyright Transfer Agreement for Publishing Form)
Hydrocracking of Calophyllum inophyllum Oil With Non-sulfide CoMo Catalysts Rismawati Rasyid; Adrianto Prihartantyo; Mahfud Mahfud; Achmad Roesyadi
Bulletin of Chemical Reaction Engineering & Catalysis 2015: BCREC Volume 10 Issue 1 Year 2015 (April 2015)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.10.1.6597.61-69

Abstract

This research was aimed to convert Calophyllum inophyllum kernel oil into liquid fuel through hydro-cracking process using non-sulfide CoMo catalysts. The experiment was carried out in a pressurized re-actor operated at temperature and pressure up to 350 oC and 30 bar, respectively. The CoMo catalysts used in the experiment were prepared by 10 wt.% loading of cobalt and molybdenum solutions over various supports, i.e. γ-Al2O3, SiO2, and γ-Al2O3-SiO2 through impregnation method. It is figured out from the experiment that non-sulfide CoMo based catalysts have functioned well in the hydrocracking conversion of Calophyllum inophyllum kernel oil into fuels, such as gasoline, kerosene, and gasoil. The CoMo/γ-Al2O3 catalyst resulted higher conversion than CoMo/SiO2 and CoMo/γ-Al2O3-SiO2. The fuel yields were 25.63% gasoline, 17.31% kerosene, and 38.59% gasoil. The fuels obtained in this research do not contain sulfur compounds so that they can be categorized as environmentally friendly fuels. © 2015 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0)
Complex Processing of Adsorbent Used in the Purification of Hydrogen-Containing Gas Sukhrob Ibodullaev; Nurkhon Isaeva; Rustam Khodjiev; Elena Mirzaeva; Dilnoza Turdieva; Shukhrat Gulomov; Shavkat Mamatkulov
Bulletin of Chemical Reaction Engineering & Catalysis 2022: BCREC Volume 17 Issue 1 Year 2022 (March 2022)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.17.1.12366.32-45

Abstract

The problems of processing spent adsorbents with a high concentration of chemisorbed chlorine-containing compounds for their reuse are studied in this article. The genesis of the phase composition and morphology at all technological stages of thermochemical regeneration of the spent adsorbent - Axstrap-860 by means of alkaline modification with a combined solution of sodium and potassium hydroxides has been tested by diffractometry and elemental analysis. The results show that the formation of a layer with an increased concentration of alkali metals in the form of the corresponding carbonates and NaOH on the surface of the granules and in the volume of sodium and potassium aluminates provides adsorption of HCl, which are slightly inferior to the fresh adsorbent. The conditions for the removal of halogen-containing substances from technogenic raw materials with the subsequent isolation of useful products have been optimized: (1) crystalline NaCl intended for the preparation of electrolyte for electrode boilers and steam generators; (2) a mixture of chlorides and hydroxochlorides of aluminum tested in the process of coagulation purification of turbid natural and waste waters; (3) pseudoboehmite for the production of an adsorbent-desiccant and the synthesis of magnesium-aluminum spinel using the technology of destruction-epitaxial transformation, and a promising carrier for catalysts for steam reforming of hydrocarbons. Copyright © 2021 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0). 
Conversion of Sunan Candlenut Oil to Aromatic Hydrocarbons with Hydrocracking Process Over Nano-HZSM-5 Catalyst Al Muttaqii, Muhammad; Marbun, Maja Pranata; Sudibyo, Sudibyo; Aunillah, Asif; Pranowo, Dibyo; Hasanudin, Hasanudin; Rinaldi, Nino; Bardant, Teuku Beuna
Bulletin of Chemical Reaction Engineering & Catalysis 2024: BCREC Volume 19 Issue 1 Year 2024 (April 2024)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20116

Abstract

In this paper, the catalysts (Nano-HZSM-5 and Fe-La/nano HZSM-5) were prepared with incipient wetness impregnation and applied for hydrocracking of Sunan candlenut oil. The hydrocracking process was conducted in a batch reactor with a pressure of 20-30 bar H2 gas for 2 h under various temperatures. The results demonstrated that hydrocracking of Sunan candlenut oil using nano HZSM-5 and Fe-La/NHZ catalysts could be converted into aromatic hydrocarbons, and the reaction temperature affected hydrocarbon production. The aromatic compounds, such as propyl-benzene, 1-ethyl-3-methylbenzene, heptyl-benzene, 2-ethyl-naphthalene, etc., reached 35.51% over the Fe-La/NHZ_2 catalyst. In all cases, the zeolite-based catalysts are the most suitable to produce aromatic hydrocarbons. Metal impregnated (Fe and La) on nano HZSM-5 catalyst could improve the aromatics compounds due to increased metal and acid sites. Copyright © 2024 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).
Production of Silver Nanoparticle Chains inside Single Wall Carbon Nanotube with a Simple Liquid Phase Adsorption Alimin Alimin; Narsito Narsito; Indriana Kartini; Sri J. Santosa
Bulletin of Chemical Reaction Engineering & Catalysis 2015: BCREC Volume 10 Issue 3 Year 2015 (December 2015)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.10.3.8416.266-274

Abstract

This article described a successful growing of silver nanoparticle chains (AgNPs) within the internal spaces of single wall carbon nanotube (SWCNT). The use of ethanol in the liquid phase adsorption could produce relatively long silver nanoparticle chains encapsulated in the nanotubes (AgNPs-SWCNT). A significant decrease of nitrogen uptake and radial breathing mode (RBM) as well as tan-gential mode (G band) upshifts of AgNPs-SWCNT specimen suggest that the nanoparticles have been encapsulated in the internal tube spaces of the nanotube. The presence of metallic silvers on the exter-nal surface of the carbon nanotube that was observed by scanning electron microscope and examined by X-ray diffraction technique was successfully able to be removed by ultrasonic using 1 M HNO3. The remaining small residue obtained after thermal gravimetric analysis up to 1100 K supports the sugges-tion on the presence of silver encapsulated inside SWCNT. Copyright © 2015 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).
Sulfonated Hydrothermal Carbon-Based Catalyzed Esterification under Microwave Irradiation: Optimization and Kinetic Study Laddawan Tumkot; Armando T. Quitain; Tetsuya Kida; Navadol Laosiripojana; Artiwan Shotipruk; Panatpong Boonnoun
Bulletin of Chemical Reaction Engineering & Catalysis 2020: BCREC Volume 15 Issue 2 Year 2020 (August 2020)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.15.2.7040.514-524

Abstract

In this study, the esterification reaction of oleic acid (OA) with methanol was investigated in the presence of a sulfonated hydrothermal carbon-based catalyst under microwave irradiation. The reaction conditions were optimized using response surface methodology based on a central composite design. Three following variables were studied: methanol to OA molar ratios (2.5:1–7.5:1), reaction time (50–70 min) and catalyst loading (2–5 wt.%) to provide a statistical model with the coefficient of regression (R2) of 0.9407. Based on the model, the optimum OA conversion of 95.6% was predicted at 5.8:1 methanol to OA molar ratio, 60 min and 3.05 wt.% catalyst loading. The experimental validation indicated that the model gave a good prediction of OA conversion (2.8% error). Furthermore, the reaction was found to be reasonably described by the pseudo-first order kinetics. The dependency of the reaction rate constant on temperatures gave a value of the activation energy of 64 kJ/mol. Copyright © 2020 by Authors, Published by BCREC Group. This is an open access article under the CC BY-SA License (https://creativecommons.org/licenses/by-sa/4.0).  
Backmatter (Publication Ethics, Copyright Transfer Agreement for Publishing Form) Istadi, Istadi
Bulletin of Chemical Reaction Engineering & Catalysis 2023: BCREC Volume 18 Issue 4 Year 2023 (December 2023)
Publisher : Masyarakat Katalis Indonesia - Indonesian Catalyst Society (MKICS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.9767/bcrec.20083

Abstract

Backmatter (Publication Ethics, Copyright Transfer Agreement for Publishing Form)

Page 59 of 84 | Total Record : 838

 57   58   59   60   61 

Filter by Year

2007 2026


Reset
Filter By Issues
All Issue 2026: BCREC Volume 21 Issue 3 Year 2026 (October 2026) (Issue in Progress) 2026: BCREC Volume 21 Issue 2 Year 2026 (August 2026) 2026: BCREC Volume 21 Issue 1 Year 2026 (April 2026) 2026: Just Accepted Manuscript and Article In Press 2026 2025: BCREC Volume 20 Issue 4 Year 2025 (December 2025) 2025: BCREC Volume 20 Issue 3 Year 2025 (October 2025) 2025: BCREC Volume 20 Issue 2 Year 2025 (August 2025) 2025: BCREC Volume 20 Issue 1 Year 2025 (April 2025) 2024: BCREC Volume 19 Issue 4 Year 2024 (December 2024) 2024: BCREC Volume 19 Issue 3 Year 2024 (October 2024) 2024: BCREC Volume 19 Issue 2 Year 2024 (August 2024) 2024: BCREC Volume 19 Issue 1 Year 2024 (April 2024) 2023: BCREC Volume 18 Issue 4 Year 2023 (December 2023) 2023: BCREC Volume 18 Issue 3 Year 2023 (October 2023) 2023: BCREC Volume 18 Issue 2 Year 2023 (August 2023) 2023: BCREC Volume 18 Issue 1 Year 2023 (April 2023) 2022: BCREC Volume 17 Issue 4 Year 2022 (December 2022) 2022: BCREC Volume 17 Issue 3 Year 2022 (September 2022) 2022: BCREC Volume 17 Issue 2 Year 2022 (June 2022) 2022: BCREC Volume 17 Issue 1 Year 2022 (March 2022) 2021: BCREC Volume 16 Issue 4 Year 2021 (December 2021) 2021: BCREC Volume 16 Issue 3 Year 2021 (September 2021) 2021: BCREC Volume 16 Issue 2 Year 2021 (June 2021) 2021: BCREC Volume 16 Issue 1 Year 2021 (March 2021) 2020: BCREC Volume 15 Issue 3 Year 2020 (December 2020) 2020: BCREC Volume 15 Issue 2 Year 2020 (August 2020) 2020: BCREC Volume 15 Issue 1 Year 2020 (April 2020) 2019: BCREC Volume 14 Issue 3 Year 2019 (December 2019) 2019: BCREC Volume 14 Issue 2 Year 2019 (August 2019) 2019: BCREC Volume 14 Issue 1 Year 2019 (April 2019) 2018: BCREC Volume 13 Issue 3 Year 2018 (December 2018) 2018: BCREC Volume 13 Issue 2 Year 2018 (August 2018) 2018: BCREC Volume 13 Issue 1 Year 2018 (April 2018) 2017: BCREC Volume 12 Issue 3 Year 2017 (December 2017) 2017: BCREC Volume 12 Issue 2 Year 2017 (August 2017) 2017: BCREC Volume 12 Issue 1 Year 2017 (April 2017) 2016: BCREC Volume 11 Issue 3 Year 2016 (December 2016) 2016: BCREC Volume 11 Issue 2 Year 2016 (August 2016) 2016: BCREC Volume 11 Issue 1 Year 2016 (April 2016) 2015: BCREC Volume 10 Issue 3 Year 2015 (December 2015) 2015: BCREC Volume 10 Issue 2 Year 2015 (August 2015) 2015: BCREC Volume 10 Issue 1 Year 2015 (April 2015) 2014: BCREC Volume 9 Issue 3 Year 2014 (December 2014) 2014: BCREC Volume 9 Issue 2 Year 2014 (August 2014) 2014: BCREC Volume 9 Issue 1 Year 2014 (April 2014) 2013: BCREC Volume 8 Issue 2 Year 2013 (December 2013) 2013: BCREC Volume 8 Issue 1 Year 2013 (June 2013) 2013: BCREC Volume 7 Issue 3 Year 2013 (March 2013) 2012: BCREC Volume 7 Issue 2 Year 2012 (December 2012) 2012: BCREC Volume 7 Issue 1 Year 2012 (June 2012) 2011: BCREC Volume 6 Issue 2 Year 2011 (December 2011) 2011: BCREC Volume 6 Issue 1 Year 2011 (June 2011) 2010: BCREC Volume 5 Issue 2 Year 2010 (December 2010) 2010: BCREC Volume 5 Issue 1 Year 2010 (June 2010) 2009: BCREC Volume 4 Issue 2 Year 2009 (December 2009) 2009: BCREC Volume 4 Issue 1 Year 2009 (June 2009) 2008: BCREC Volume 3 Issue 1-3 Year 2008 (December 2008) 2007: BCREC: Volume 2 Issues 2-3 Year 2007 (October 2007) 2007: BCREC: Volume 2 Issue 1 Year 2007 (June 2007) More Issue