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Volume-6

V6-Issue-1

Editor:Prof. Dr. Selahaddin Orhan Akansu

Advancing Sustainability: A Systematic Review and Bibliometric Analysis of the Hydrogen Economy in the Waste Sector

Corresponding Author:

Authors:
Alfian Rizky Rizaldianto
Bimastyaji Surya Ramadan
Hanindya Putri Utami
Emmanuela Devinna
Adi Kurniawan

DOI Number https://doi.org/10.52924/EXBW6429

Received: 05.11.2025

Accepted: 26.02.2026

Published: 01.04.2026

Abstract(summary) Download Full Text

Advancing Sustainability: A Systematic Review and Bibliometric Analysis of the Hydrogen Economy in the Waste Sector

Summary:
The concept of the hydrogen economy has attracted significant attention in recent years due to its potential to revolutionize the way we manage waste and transition towards a more sustainable future. This paper aims to provide a comprehensive overview of the current state of research on the topic of the hydrogen economy, focusing on its application in the waste sector. The study utilizes systematic literature review and bibliometric analysis to identify key factors influencing the success rate of hydrogen economy implementation and to determine the definition of the hydrogen economy in the waste sector. The methodology used involved a combination of Systematic Literature Review (SLR) and Bibliometric Analysis (BA), which enabled detailed analysis of the results and provided a faster analysis of the practical literature than other methods of analysis. The findings of this study highlight the importance of understanding current research trends and gaps in the field, as well as the need for a deeper understanding of the factors that influence effective participation in the hydrogen economy. By reviewing the existing literature and identifying the most prominent research themes, this study aims to contribute to the development of a more comprehensive framework for the implementation of the hydrogen economy in the waste sector, ultimately supporting the transition towards a more sustainable and environmentally friendly model.

Overview on Acetylene as An Alternative Fuel in Engine Fuel Blends

Corresponding Author: Happy SINKALA

Authors:
Happy SINKALA
Khelladi Mohammed
Athmane BEN RABAH

DOI Number https://doi.org/10.52924/AQUN7716

Received: 22.12.2025

Accepted: 27.03.2026

Published: 01.04.2026

Abstract(summary) Download Full Text

Overview on Acetylene as An Alternative Fuel in Engine Fuel Blends

Summary:
Acetylene (C₂H₂) has attracted research interest as a high-reactive fuel for internal combustion engines due to its high flame speed, low ignition energy, and wide flammability limits. When introduced as a supplementary fuel, acetylene can change combustion characteristics, enabling improved thermal efficiency, extended lean operation, and substantial reductions in particulate emissions across spark-ignition (SI), compression-ignition (CI), and advanced combustion concepts. However, these advantages are counterbalanced by pronounced challenges related to abnormal combustion, elevated pressure rise rates, increased NOx emissions, and stringent safety constraints. Drawing from peer-reviewed articles, this study offers a comprehensive synthesis of experimental, numerical, and system-level research on acetylene-fueled engines. The performance, combustion behavior, and emission characteristics of SI, CI, dual-fuel, HCCI, and RCCI setups are systematically compared. The review reveals the limited operational periods in which acetylene can be used efficiently, discusses differences between research, and shows recurring tendencies. When safety, storage, and life-cycle sustainability factors are evaluated, it becomes clear that acetylene's production process, rather than just its in-cylinder advantages, dominates its environmental viability. Acetylene is better positioned as a combustion enhancer in tightly regulated multi-fuel systems rather than as a stand-alone alternative fuel. The research also identifies important research objectives needed for any future practical deployment.

Implementation of Green Product Challenge Campaign Based on Education for Sustainable Development through Kamishibai Media

Corresponding Author:

Authors:
Indriyani Rachman
Toru Matsumoto

DOI Number https://doi.org/10.52924/FRZS1793

Received: 31.12.2025

Accepted: 01.04.2026

Published: 01.04.2026

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Implementation of Green Product Challenge Campaign Based on Education for Sustainable Development through Kamishibai Media

Summary:
Environmental education based on Education for Sustainable Development (ESD) demands a contextual, participatory, and action-oriented learning approach. This study aims to describe the implementation of the ESD-based Green Product Challenge Campaign through kamishibai media integrated with the Science Project learning in Vocational High Schools. The study uses a qualitative descriptive approach with a reflective practice design, involving grade X students across majors in a series of activities that include ESD socialization, kamishibai media development, and presentations at the peak of the environmental campaign. The results of the study indicate that the kamishibai-based campaign is able to improve students' understanding of waste management, foster environmental awareness, and develop psychomotor and social skills through project-based learning. Kamishibai acts as a visual storytelling medium that helps students connect science concepts with real environmental problems in schools. In addition to being a learning medium, kamishibai functions effectively as a school-based environmental campaign medium that supports the implementation of ESD. This study concludes that kamishibai media has the potential to be an alternative pedagogical medium in implementing ESD-oriented project-based learning in vocational secondary education and contributes to the achievement of SDGs 8, SDG 12, and SDG 13.

Bladeless Wind Turbine Performance

Corresponding Author: Mustafa Arman Özbilge

Authors:
Berke Kirpiksiz
Mustafa Arman Özbilge
Mehmet Parlak

DOI Number https://doi.org/10.52924/ZSJO9405

Received: 28.01.2026

Accepted: 27.03.2026

Published: 01.04.2026

Abstract(summary) Download Full Text

Bladeless Wind Turbine Performance

Summary:
Focusing on vibration-based power generation, this research investigates design changes intended to overcome the drawbacks of conventional wind turbines. To improve aerodynamic performance, the motion characteristics of two different geometries with the same surface area were evaluated. The components were designed in Solidworks and produced via 3D printing. The findings reveal how modifications in the turbine's shape affect its overall efficiency. Notably, the structural characteristics of the PLA and PETG materials used for the prototypes led to a divergence between experimental results and theoretical expectations.

OPERATION OF URBAN SOLID WASTE LANDFILLS, WASTE CHARACTERIZATION, CLASSIFICATION AND DETERMINATION OF ENERGY EQUIVALENT: TOKAT EXAMPLE

Corresponding Author: Mehmet Akif Demirel

Authors:
Mehmet Akif Demirel
Serhat Bilgin
Sebahattin Ünalan

DOI Number https://doi.org/10.52924/GZCI8879

Received: 30.01.2026

Accepted: 01.04.2026

Published: 01.04.2026

Abstract(summary) Download Full Text

OPERATION OF URBAN SOLID WASTE LANDFILLS, WASTE CHARACTERIZATION, CLASSIFICATION AND DETERMINATION OF ENERGY EQUIVALENT: TOKAT EXAMPLE

Summary:
This study evaluates municipal solid waste management in Tokat Province, focusing on waste characterization, classification, and energy potential determination. Rapid urbanization and changing consumption patterns have increased waste generation, making effective waste management crucial for environmental and economic sustainability. Solid waste samples collected from the Tokat sanitary landfill were analyzed physically and chemically. The wastes were classified into organic matter, plastics, paper, metals, glass, textiles, and other inorganics. Based on this classification, parameters such as moisture content, density, and lower heating value were determined to estimate the recoverable energy potential. Results indicated that a substantial portion of Tokat’s household waste is suitable for energy recovery. Additionally, experimental studies on pyrolysis, a thermochemical conversion method, were conducted using plastic, textile, and organic wastes. Pyrolysis yielded pyrolytic oil, gaseous products, and carbon-rich residues, demonstrating its feasibility for local waste-to-energy applications. In conclusion, municipal solid wastes in Tokat represent not only an environmental challenge but also a valuable energy source. Establishing recovery facilities and promoting technologies like pyrolysis are recommended for sustainable waste management.

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