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Advances in Renewable and Sustainable Engineering from the 6th International...
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Advances in Renewable and Sustainable Engineering from the 6th International Conference on Sustainable Engineering Techniques

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Sustainable Processes".

Deadline for manuscript submissions: 15 May 2026 | Viewed by 1049

Special Issue Editors

Prof. Dr. Iqbal M. Mujtaba

E-Mail Website
Guest Editor
Faculty of Management, Sciences and Engineering, University of Bradford, Bradford BD7 1DP, UK
Interests: dynamic modelling, simulation, optimization and control of batch and continuous chemical processes with specific interests in distillation, industrial reactors, refinery processes, desalination, wastewater treatment
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Wadhah Amer Hatem

E-Mail Website
Guest Editor
Technical Institute of Baquba, Middle Technical University, Baquba 32001, Iraq
Interests: civil engineering; construction; building information modelling, simulation, and optimization; support vector machine technique
Special Issues, Collections and Topics in MDPI journals
Dr. Mudhar Al-Obaidi

E-Mail Website
Guest Editor
1. Technical Institute of Baquba, Middle Technical University, Baquba 32001, Iraq
2. Technical Instructor Training Institute, Middle Technical University, Baghdad 10074, Iraq
Interests: modelling, simulation and optimization of membrane and thermal water desalination and wastewater treatment; hybrid systems based renewable energy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The aim of this Special Issue is the same as that of the 6th International Conference on Sustainable Engineering Techniques (ICSET) (https://icset.publisher.mtu.edu.iq/icset2025), namely to communicate cutting-edge findings and information related to the study and advancement of sustainable engineering techniques.

Contributions to ICSET 2025 can be presented in this Special Issue and should be specifically focused on the following topics:

  • Sustainability and green technologies: This section covers a wide set of sustainable topics and research related to green technologies, waste management, smart cities, and sustainable and smart agriculture systems.
  • Renewable energy and power systems: This section covers research related to renewable energy, power generation, power systems, and energy efficiency to promote sustainable solutions.
  • Environmental engineering: This section covers many topics related to environmental engineering for sustainable development and environmental protection.
  • Chemical engineering: This section covers various aspects related to chemical processes and innovations based on renewables and sustainability.
  • Materials engineering: This section explores advancements in materials science and engineering based on renewables and sustainability.
  • Civil and structural engineering: This section addresses infrastructure development, construction, structural design, and efficient structural materials following renewable and sustainable metrics.
  • Mechanical engineering: This section highlights mechanical systems, energy storage, and waste heat utilization based on renewable and sustainable guidelines.
  • Applied sciences: This section discusses advancements in chemistry and physics based on renewable and sustainable topics.

Prof. Dr. Iqbal M. Mujtaba
Prof. Dr. Wadhah Amer Hatem
Dr. Mudhar Al-Obaidi
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Processes is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • renewable energy
  • solar energy
  • sustainability
  • energy efficiency
  • green technologies
  • waste management
  • smart energy systems
  • water treatment
  • green infrastructure and buildings
  • energy storage systems
  • affordable energy

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  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

19 pages, 3367 KB  
Article
Assessment of Karacadağ Basalt as a Sustainable Material for Eco-Friendly Road Infrastructure
by Muhammed Enes Türk and Mehmet Hayrullah Akyıldız
Processes 2025, 13(9), 3022; https://doi.org/10.3390/pr13093022 - 22 Sep 2025
Viewed by 192
Abstract
Road construction has historically played a pivotal role in infrastructure development, addressing society’s growing mobility needs. Selecting sub-base and base layer aggregates requires materials that are mechanically durable, compliant with engineering standards, cost-effective, and sustainable. Locally sourcing aggregates enhances economic efficiency while reducing [...] Read more.
Road construction has historically played a pivotal role in infrastructure development, addressing society’s growing mobility needs. Selecting sub-base and base layer aggregates requires materials that are mechanically durable, compliant with engineering standards, cost-effective, and sustainable. Locally sourcing aggregates enhances economic efficiency while reducing the environmental impact. In Southeastern Anatolia, particularly in Diyarbakır, extensive investments in roads, highways, and high-speed rail have increased the demand for high-quality aggregates. Karacadağ basalt, a locally abundant volcanic rock, offers a promising alternative. Its use not only reduces raw material costs but also aids in rehabilitating surface agricultural lands, supporting sustainable urban development and resource conservation. This study assesses the suitability of Karacadağ basalt as a sub-base and base material for highway construction. Two mixtures, namely PMT (Primary Mixture Type) and PMAT (Primary Mixture Alternative Type), were prepared and tested by the Ninth Regional Directorate of Highways using standardized methods including sieve analysis, methylene blue index, Los Angeles abrasion, Weather Resistance, and California Bearing Ratio (CBR) tests. Results indicate that Karacadağ basalt meets all relevant Turkish Highways Technical Specifications. These findings highlight the material’s potential as a sustainable, locally sourced aggregate for infrastructure applications, while suggesting that further testing across diverse quarry sites could enhance reliability and promote wider adoption. Full article
(This article belongs to the Special Issue Advances in Renewable and Sustainable Engineering from the 6th International Conference on Sustainable Engineering Techniques)
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20 pages, 2963 KB  
Article
Stability Enhancement of Road Embankments Using Geogrid and Jet Grouting: A Finite Element Approach for Sustainable Infrastructure
by Gultekin Aktas, Mehmet Salih Keskin, Senem Yılmaz Cetin, Mehmet Hayrullah Akyildiz and Veysel Saybak
Processes 2025, 13(9), 2965; https://doi.org/10.3390/pr13092965 - 17 Sep 2025
Viewed by 275
Abstract
This study presents a numerical analysis of a road embankment constructed over soft subsoil and reinforced with geogrids and jet grout columns to enhance stability and reduce deformation. The two-dimensional finite element software PLAXIS (PLAXIS 2D Version 2023.2) was employed to simulate both [...] Read more.
This study presents a numerical analysis of a road embankment constructed over soft subsoil and reinforced with geogrids and jet grout columns to enhance stability and reduce deformation. The two-dimensional finite element software PLAXIS (PLAXIS 2D Version 2023.2) was employed to simulate both the static and dynamic behavior of the system under real field conditions, utilizing geotechnical parameters obtained from in situ and laboratory tests. The unreinforced embankment exhibited significant vertical and lateral displacements, attributed to inadequate compaction and insufficient bearing capacity of the foundation soil. Finite element simulations were first used to replicate the observed field performance, confirming the accuracy of the modeling approach. Subsequently, reinforcement strategies involving the integration of jet grout columns and geogrid layers were analyzed to assess their effectiveness. The jet grout columns significantly improved subsoil stiffness, while the geogrid reinforcement contributed to the stabilization of embankment slopes. The results demonstrated a 220% increase in the safety factor and a 65% reduction in total settlement compared to the unreinforced case. Additionally, dynamic analysis revealed that while the embankment maintained marginal stability at a horizontal acceleration of 0.30 g, it failed under a 0.40 g seismic load. These findings highlight the critical role of combined reinforcement techniques and process-based modeling in ensuring not only the stability of road embankments on weak soils but also their contribution to sustainable infrastructure development through improved durability, resource efficiency, and extended service life. Full article
(This article belongs to the Special Issue Advances in Renewable and Sustainable Engineering from the 6th International Conference on Sustainable Engineering Techniques)
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