General information
Published: 01-09-2025
Total Articles:
(including Editorial)		 18
Total Authors: 88
Total Affiliations: 38
Total Countries: 13
Indonesia (32)
Bangladesh (4)
Morocco (20)
Malaysia (12)
China (3)
India (5)
Nigeria (2)
United States (1)
United Kingdom (1)
South Africa (4)
Philippines (10)
Colombia (3)
United Arab Emirates (1)
Issues list
Accepted Articles Vol 14, No 6 (2025): November 2025 Vol 14, No 5 (2025): September 2025 Vol 14, No 4 (2025): July 2025 Vol 14, No 3 (2025): May 2025 Vol 14, No 2 (2025): March 2025 Vol 14, No 1 (2025): January 2025 Vol 13, No 6 (2024): November 2024 Vol 13, No 5 (2024): September 2024 Complete issues

Vol 14, No 5 (2025): September 2025

Table of Contents

Original Research Article

Bio-briquettes from tea fluff biochar: a response surface methodology study on particle size, resin gum-adhesive, and used cooking oil immersion time

Suryajaya Suryajaya, Egi Agustian, Ninis Hadi Haryanti, Hafiizh Prasetia, Siti Rahmah, Hendris Hendarsyah Kurniawan, Totok Wianto, Benni F Ramadhoni, Tetti Novalina Manik, Nova Annisa, Erdiansyah Rezamela, Anny Sulaswatty

| Language: EN | DOI: 10.61435/ijred.2025.60877
Received: 20 Nov 2024; Revised: 17 May 2025; Accepted: 10 Jun 2025; Available online: 2 Jul 2025; Published: 1 Sep 2025.
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854-868
How do economic freedom, trade freedom, and digitization influence renewable energy consumption in G20 nations: What is the role of innovation?

Md Qamruzzaman

| Language: EN | DOI: 10.61435/ijred.2025.61147
Received: 20 Feb 2025; Revised: 27 May 2025; Accepted: 25 Jun 2025; Available online: 8 Jul 2025; Published: 1 Sep 2025.
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882-899
Optimal hydropower potential assessment in semi-arid regions

Imane El Kasimi, Moulay Driss Hasnaoui, Driss Khomsi, Ahmed Bouziane, Amal Aboulhassane

| Language: EN | DOI: 10.61435/ijred.2025.60831
Received: 10 Nov 2024; Revised: 5 May 2025; Accepted: 25 Jun 2025; Available online: 14 Jul 2025; Published: 1 Sep 2025.
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900-913
Advanced one-dimensional heterogeneous model for high temperature water gas shift membrane reactors

Wail El Bazi, Abderrahim El-Abidi, Said Yadir, Brahim Messnaoui

| Language: EN | DOI: 10.61435/ijred.2025.61222
Received: 17 Mar 2025; Revised: 15 Jun 2025; Accepted: 10 Jul 2025; Available online: 16 Jul 2025; Published: 1 Sep 2025.
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914-926
Synergistic co-pyrolysis of Gracilaria waste and waste tires: Enhancing bio-oil quality through thermal and chemical bond optimization

Imron Masfuri, Shaza Eva Mohamad, Dhani Avianto Sugeng, Apip Amdrullah, Wira Jazair Yahya

| Language: EN | DOI: 10.61435/ijred.2025.61202
Received: 14 Mar 2025; Revised: 17 May 2025; Accepted: 24 Jun 2025; Available online: 18 Jul 2025; Published: 1 Sep 2025.
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947-955
Experimental investigation of the cooling effect in an autonomous-orienting conventional solar still

Oussama Drissi Maliani, Khalid Guissi, Reda Errais, El Houssain Baali, Younes El Fellah

| Language: EN | DOI: 10.61435/ijred.2025.60704
Received: 10 Oct 2024; Revised: 27 May 2025; Accepted: 25 Jun 2025; Available online: 20 Jul 2025; Published: 1 Sep 2025.
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967-980
A new energy frequency adjustment model based on adaptive power control optimization algorithm for photovoltaic power generation systems

Han Zhou, Congtong Zhang, Haoqin Yang

| Language: EN | DOI: 10.61435/ijred.2025.61125
Received: 12 Feb 2025; Revised: 26 Jun 2025; Accepted: 10 Jul 2025; Available online: 20 Jul 2025; Published: 1 Sep 2025.
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981-991
Energy potential of biochar from slow pyrolysis of mixed tree leaves in a pilot-scale fixed-bed reactor

Segun E. Ibitoye, Meraj Alam, Olalekan A. Olayemi, Esther T. Akinlabi, Ishita Sarkar, Rasheedat M. Mahamood, Tien-Chien Jen, Chanchal Loha

| Language: EN | DOI: 10.61435/ijred.2025.61253
Received: 21 Mar 2025; Revised: 25 Jun 2025; Accepted: 10 Jul 2025; Available online: 22 Jul 2025; Published: 1 Sep 2025.
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992-1006
Harnessing renewable energy and technological innovation to alleviate energy poverty in least developed countries: A pathway toward low-carbon and sustainable development

Ramisa Rutbata Hossain, Md Qamruzzaman, Piana Monsur Mindia

| Language: EN | DOI: 10.61435/ijred.2025.61274
Received: 6 Apr 2025; Revised: 10 Jul 2025; Accepted: 26 Jul 2025; Available online: 3 Aug 2025; Published: 1 Sep 2025.
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1007-1023
Synthesis of sodalite-natural dolomite as novel bifunctional catalyst for biodiesel production: Experimental study of performance and emissions on diesel engine

Misbakhul Fatah, Abdul Hamid, Zeni Rahmawati, S. Saiful, Tri Esti Purbaningtias, Amin Jakfar

| Language: EN | DOI: 10.61435/ijred.2025.61434
Received: 2 Jun 2025; Revised: 18 Jul 2025; Accepted: 5 Aug 2025; Available online: 18 Aug 2025; Published: 1 Sep 2025.
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1024-1035
Supercapacitive performance and CO2 capture capacities of different porous corn stover-derived activated carbons

Oluwashina Philips Gbenebor, Abimbola Patricia Idowu Popoola

| Language: EN | DOI: 10.61435/ijred.2025.60980
Received: 26 Dec 2024; Revised: 16 Jul 2025; Accepted: 6 Aug 2025; Available online: 18 Aug 2025; Published: 1 Sep 2025.
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1036-1046
Effect of electrode annealing to the performance of novel 3D-printed floating microbial fuel cell for polluted surface water remediation

Arnil Jr. B. Paclibar, Kristopher Ray S. Pamintuan

| Language: EN | DOI: 10.61435/ijred.2025.61235
Received: 19 Mar 2025; Revised: 17 Jun 2025; Accepted: 26 Jul 2025; Available online: 19 Aug 2025; Published: 1 Sep 2025.
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1047-1057
Enhancement of aerodynamic performance of H-Darrieus rotor using wraparound fairing system: A 2D CFD study

Douha Boulla, Saif ed-din Fertahi, Maryam Bernatchou, Abderrahim Samaouali, Meryeme Ajani, Chaimae boussaq

| Language: EN | DOI: 10.61435/ijred.2025.61437
Received: 3 Jun 2025; Revised: 29 Jul 2025; Accepted: 15 Aug 2025; Available online: 25 Aug 2025; Published: 1 Sep 2025.
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1058-1071
Numerical evaluation of the high solidity values effect on the performance of H-Darrieus turbine with NACA 0025 hydroprofiel

José Daniel Cardona Cárdenas, Juan Gonzalo Ardila Marín, Juan José Arbeláez Toro

| Language: EN | DOI: 10.61435/ijred.2025.61304
Received: 18 Apr 2025; Revised: 6 Jul 2025; Accepted: 10 Aug 2025; Available online: 26 Aug 2025; Published: 1 Sep 2025.
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1072-1080

Review Article

From waste to energy: A systematic review of sewage sludge conversion to solid fuels via thermochemical methods

Siti Zaharah Roslan, Juferi Idris, Mohibah Musa, Mohd Saufi Md Zaini, Nur Faradila Anuar, Darween Rozehan Shah Iskandar Shah, Muhamad Iqbal Hakim Mohd Tahir

| Language: EN | DOI: 10.61435/ijred.2025.61185
Received: 7 Mar 2025; Revised: 30 Jun 2025; Accepted: 11 Jul 2025; Available online: 16 Jul 2025; Published: 1 Sep 2025.
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927-946

Regional Symposium of Chemical Engineering 2024

Morphological and thermal stability analysis of Sn/C electrodes synthesized through impregnation and precipitation methods for CO2 electroreduction

Mitra Eviani, Tirto Prakoso, Dadan Kusdiana, Pramujo Widiatmoko, Hary Devianto

| Language: EN | DOI: 10.61435/ijred.2025.61280
Received: 9 Nov 2024; Revised: 16 May 2025; Accepted: 22 Jun 2025; Available online: 3 Jul 2025; Published: 1 Sep 2025.
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869-881
Optimization of ultrasonication time on the production of ZnO-SiO2 nanocomposite as photocatalytic material

Lailatul Qomariyah, Nurul Faizah, Achmad Dwitama Karisma, Sulthan Rabbani, Sultan Hendra Mahardi Kalloka, Nicky Rahmana Putra

| Language: EN | DOI: 10.61435/ijred.2025.61248
Received: 24 Mar 2025; Revised: 17 May 2025; Accepted: 24 Jun 2025; Available online: 18 Jul 2025; Published: 1 Sep 2025.
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956-966
Parametric study on the hydrothermal synthesis of fluorescent p-doped carbon quantum dots from banana peels (Musa acuminata) and their photocatalytic performance towards hexavalent chromium reduction

Christian Marasigan Claus, Monet Concepcion M Detras, Jewel A Capunitan, Rowena B Carpio, Marilyn C del Barrio

| Language: EN | DOI: 10.61435/ijred.2025.61383
Received: 17 May 2025; Revised: 16 Jul 2025; Accepted: 17 Aug 2025; Available online: 31 Aug 2025; Published: 1 Sep 2025.
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1081-1090