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Energies
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Low-Carbon Energy Systems: Recent Engineering Materials and Technologies
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Low-Carbon Energy Systems: Recent Engineering Materials and Technologies

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "D1: Advanced Energy Materials".

Deadline for manuscript submissions: closed (20 September 2023) | Viewed by 9094

Special Issue Editors

Dr. Ali Shubbar

E-Mail Website
Guest Editor
Eco-I North West, School of Civil Engineering and Built Environment, Faculty of Engineering and Technology, Liverpool John Moores University, Liverpool L3 3AF, UK
Interests: Sustainable Construction Materials; Low Carbon Circular Economy; Energy Savings; Carbon Neutrality.
Dr. Mohammed Salah Nasr

E-Mail Website
Assistant Guest Editor
Technical Institute of Babylon, Al-Furat Al-Awsat Technical University, Najaf 54003, Iraq
Interests: civil engineering; concrete technology; construction materials; ecofriendly building materials; low-carbon cementitious materials; recycled aggregate; sustainable mortar

Special Issue Information

Dear Colleagues,

Currently, the importance of preserving the environment and reducing carbon emissions has increased at various levels as a result of the population increase around the world, which called for an increase in factories and production, which means increasing carbon and negatively affecting the environment. Therefore, recent researchers have been trying to reduce these damages by adopting low-carbon energy systems in various fields by producing materials with less environmental damage, reusing materials, and including them in other industries, or by using environmentally friendly technologies to manufacture engineering materials.

Therefore, one of the main objectives of this Special Issue is to identify the latest research in these environmentally friendly systems and research related to green energy. In addition, this issue discusses ways to produce low-carbon materials and study their engineering properties. Accordingly, the editors of this issue invite researchers to submit their recent work (original and review papers) on energy systems related to (but not limited to) the following topics: CO2 emission reduction technologies, low-carbon engineering materials, recycling and reuse of low-carbon energy materials, and low-carbon energy construction materials and structures.

Dr. Ali Shubbar
Dr. Mohammed Salah Nasr
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. Energies is an international peer-reviewed open access semimonthly 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 2600 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

  • current CO2 emission reduction technologies
  • energy and sustainable development
  • clean electrical energy
  • hazardous energy materials and the environment
  • low-carbon energy construction materials and structures
  • low-carbon energy for urban infrastructures
  • smart energy technologies
  • low-carbon engineering materials
  • nanotechnology and the low-carbon environment
  • recycling and reuse of low-carbon sustainable materials
  • renewable energy
  • sustainable design for low-carbon architecture
  • sustainable pavement engineering
  • sustainable water and wastewater treatment technology
  • water resources and environment preservation

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Published Papers (3 papers)

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Research

29 pages, 13352 KiB  
Article
Properties of Modified Warm-Mix Asphalt Mixtures Containing Different Percentages of Reclaimed Asphalt Pavement
by Hayder Abbas Obaid, Tameem Mohammed Hashim, Ahmed Awad Matr Al-Abody, Mohammed Salah Nasr, Ghadeer Haider Abbas, Abdullah Musa Kadhim and Monower Sadique
Energies 2022, 15(20), 7813; https://doi.org/10.3390/en15207813 - 21 Oct 2022
Cited by 3 | Viewed by 2078
Abstract
The Rapid reduction of energy resources and the escalated effects of global warming have created a strong motivation to find some new techniques in the field of paving construction. Adopting new technologies, such as warm-mix asphalt (WMA) or the recycling process of asphalt [...] Read more.
The Rapid reduction of energy resources and the escalated effects of global warming have created a strong motivation to find some new techniques in the field of paving construction. Adopting new technologies, such as warm-mix asphalt (WMA) or the recycling process of asphalt can be very helpful for the economy and have a significant impact on the environmental footprint. Thus, this research aimed to study the mechanical and durable characteristics of modified WMA mixtures using (1.0%, 1.5%, and 2.0%) Sasobit REDUX®, (0.3%, 0.4%, and 0.5%) Aspha-Min®, and (0.07%, 0.1%, and 0.125) ZycoTherm® additives corresponding to three percentages of reclaimed asphalt pavement (RAP) (20%, 40%, and 60%). Three mixing temperatures have been conducted in this study to generate WMA mixtures at (135 °C, 125 °C, and 115 °C) corresponding to three compacting temperatures (125 °C, 115 °C, and 105 °C). The mechanical properties of the developed WMA mixtures have been evaluated using the Superpave volumetric properties (air voids, voids filled with asphalt, and voids in mineral aggregate), while the durable properties have been investigated using the resilient modulus test (MR) at 25 °C, resilient modulus ratio (RMR), and Hamburg wheel-track test in terms of permanent deformation, moisture susceptibility, and rutting resistance. To make the WMA mixtures accept high quantities of RAP (>25%), an insignificant increase in the amounts of WMA additives was needed to produce mixtures carrying sustainability labels. Results indicated that all the used additives had pushed the WMA mixtures to achieve considerable mechanical properties, whereas the best properties for the WMA mixtures containing 0%, 20%, 40%, and 60% of RAP have been achieved by mixing with (1.0% Sasobit REDUX® @ 125 °C), (1.0% Sasobit REDUX® or 0.3% Aspha-Min® @ 135 °C), (1.5% Sasobit REDUX® @ 125 °C), and (2.0% Sasobit REDUX® or 0.5% Aspha-Min® @ 135 °C), respectively. On another hand, the best durable properties have been achieved by mixing the mentioned WMA mixtures containing 0%, 20%, 40%, and 60% of RAP with 0.07%, 0.07%, 0.1%, and 0.125% of ZycoTherm® at 153 °C, respectively. Using such additives in the recycled WMA mixtures made it possible to activate waste recycling in the paving industry. Full article
(This article belongs to the Special Issue Low-Carbon Energy Systems: Recent Engineering Materials and Technologies)
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9 pages, 1299 KiB  
Article
Verification of Utilizing Nanowaste (Glass Waste and Fly Ash) as an Alternative to Nanosilica in Epoxy
by Awham Jumah Salman, Zahraa Fakhri Jawad, Rusul Jaber Ghayyib, Fadhaa Atheer Kareem and Zainab Al-khafaji
Energies 2022, 15(18), 6808; https://doi.org/10.3390/en15186808 - 18 Sep 2022
Cited by 4 | Viewed by 1486
Abstract
Silica is considered one of the most prevalent components in the Earth’s shell and is synthesized for use in technological applications. Nevertheless, new methods for finding a better, cheaper, and more ecologically friendly supply of silica with less energy consumption are unavoidable. This [...] Read more.
Silica is considered one of the most prevalent components in the Earth’s shell and is synthesized for use in technological applications. Nevertheless, new methods for finding a better, cheaper, and more ecologically friendly supply of silica with less energy consumption are unavoidable. This study investigates whether nanopowders made from waste with a great silica amount (fly ash and glass) can be utilized as fillers in an epoxy glue to enhance its characteristics. Four different contents (5, 10, 15, and 20 wt%) of nano–fly ash, nanoglass, and nanosilica powder were introduced into the samples. Fourier transform infrared analysis, differential scanning calorimetry analysis, viscosity testing, and microhardness testing were conducted for nanoglass/epoxy and nano–fly ash/epoxy samples, which were compared with the silica/epoxy samples. Results indicated that the nanoglass and nano–fly ash powder have the same impact as nanosilica on the characteristics of epoxy. The hardness and viscosity of epoxy increased with the increase in the added filler. At 20 wt%, the hardness value of the nanoglass/epoxy composites was greater than that of the nanosilica/epoxy and fly ash/epoxy composites by about 15% and 7%, respectively. The results also indicated that the highest viscosity values were obtained when using nano–fly ash powder of 20 wt%. Furthermore, the modification of the epoxy by the nanoparticles had no significant effect on the values of the glass transition temperatures. Full article
(This article belongs to the Special Issue Low-Carbon Energy Systems: Recent Engineering Materials and Technologies)
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11 pages, 1378 KiB  
Article
Towards Net Zero Carbon Economy: Improving the Sustainability of Existing Industrial Infrastructures in the UK
by Ali Shubbar, Mohammed Nasr, Mayadah Falah and Zainab Al-Khafaji
Energies 2021, 14(18), 5896; https://doi.org/10.3390/en14185896 - 17 Sep 2021
Cited by 25 | Viewed by 4580
Abstract
To comply with the new net zero greenhouse gas emissions (GHGs) target set by the United Kingdom government by 2050, different sectors including the industrial sector are required to take action to achieve this target. Improving the building envelope and production of clean [...] Read more.
To comply with the new net zero greenhouse gas emissions (GHGs) target set by the United Kingdom government by 2050, different sectors including the industrial sector are required to take action to achieve this target. Improving the building envelope and production of clean energy on site are among the activities that should be considered by businesses to reduce their carbon emissions. This research analysis the current energy performance and carbon dioxide (CO2) emissions of an industrial building in Liverpool, UK utilizing the Integrated Environmental Solutions Virtual Environment (IESVE) software modeling. Then it has proposed some methods for improving the current performance and reduce the carbon footprint of the building. The results indicated that the installation of wall and floor insulation could decrease the energy usage and CO2 emissions of the building by about 56.39%. Additionally, the production of clean energy on site using solar photovoltaic (PV) panels could reduce the annual CO2 emissions by up to 16%. Furthermore, this research provided some figures about offsetting the rest of CO2 emissions using different international offsetting schemes to achieve carbon neutrality of the building. Full article
(This article belongs to the Special Issue Low-Carbon Energy Systems: Recent Engineering Materials and Technologies)
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