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Topic Review
Properties of Recycled Steel Fibers-Incorporated Concrete
Accumulating vast amounts of pollutants drives modern civilization toward sustainable development. Construction waste is one of the prominent issues impeding progress toward net zero. Pollutants must be utilized in constructing civil engineering structures for a green ecosystem. Large-scale production of industrial steel fibers (ISFs) causes significant damage to the goal of a sustainable environment. Recycled steel fibers (RSFs) from waste tires have been suggested to replace ISFs. Using RSFs can help reduce pollution due to ISFs production; on the other hand, it can improve the performance of the concrete at a low cost. 
  • 1.2K
  • 03 Nov 2022
Topic Review
Chlorination of Harvested Rainwater
 In many rural areas, primary water sources such as surface water and groundwater are at risk of contamination with rapid agricultural and industrial growth and climate change-related issues. Rainwater harvesting is an ancient practice for rural communities, and the momentum around its use is continually growing in recent years. Among the disinfection methods, chlorination is the most common method in large-scale water treatment schemes. It is also one of the most cost-effective water disinfection processes. It is further suggested that free chlorine could be extensively efficacious against most waterborne pathogens and cause destruction of the cell DNA of these microorganisms, except for Cryptosporidium parvum oocysts and Mycobacteria species. Consequently, this method could reduce waterborne diseases in many countries. In addition, chlorine tablets and liquid pool chlorine are reasonably accessible and safe for transportation to the end-users for residential purposes.
  • 1.2K
  • 14 Aug 2023
Topic Review
Sustainable Textiles from Unconventional Biomaterials
Various studies have shown that vegan leather alternatives are particularly suitable because they mimic the properties of real leather, and the qualities of the bio-based materials combined with textile substrates are relatively close to real leather. Cactus plants require less water and can completely replace real leather. The use of cactus as a source of sustainable textiles and leather offers numerous environmental benefits. This is due to the fact that harvesting the cactus does not harm the plant or its roots, allowing it to keep growing and sequestering carbon dioxide.
  • 1.2K
  • 02 Aug 2023
Topic Review
Regional Flood Frequency Analysis
Regional flood frequency analysis (RFFA) consists of two principal steps: identification of homogeneous regions and development of regional flood estimation equations.
  • 1.2K
  • 08 May 2023
Topic Review
Economic Indicators in Water Sector for Circular Economy
Protection and sustainable management of water was indicated as one of the strategic tasks in the process of transformation towards a circular economy (CE) in the European Union (EU), therefore, the water and wastewater sector plays an important role in this process.
  • 1.1K
  • 31 Dec 2021
Topic Review
Nature-Inspired Designs in Wind Energy: A Review
The field of wind energy stands at the forefront of sustainable and renewable energy solutions, playing a pivotal role in mitigating environmental concerns and addressing global energy demands. Biomimetics, drawing inspiration from biological systems, has long intrigued engineers and designers, tracing back to Leonardo da Vinci’s studies of bird flight and even earlier to myths like Daedalus and Icarus. Historical references, including King Solomon’s throne adorned with mechanical creatures and the Talmud’s tales of the Golem, illustrate this enduring fascination.
  • 1.1K
  • 07 Feb 2024
Topic Review
Removal of Dyestuffs from Effluents onto Biochar
Processing significant amounts of dye effluent discharges into receiving waters can supply major benefits to countries that are affected by the water crisis and anticipated future stress in many areas in the world. When compared to most conventional adsorbents, biochars can provide an economically attractive solution. In comparison to many other textile effluent treatment processes, adsorption technology provides an economical, easily managed, and highly effective treatment option.
  • 1.1K
  • 20 Jun 2022
Topic Review
State-of-the-Art Battery Disassembly towards Automation
As the market share of electric vehicles continues to rise, the number of battery systems that are retired after their service life in the vehicle will also increase. This large growth in battery returns will also have a noticeable impact on processes such as battery disassembly. Due to the significantly increasing return volumes of traction batteries in the near future, a substantial increase in the degree of automation in battery disassembly is required, especially with regard to a stable recycling input flow. 
  • 1.1K
  • 27 Nov 2023
Topic Review
Twin Transition through Implementation of Industry 4.0 Technologies
Key Enabling Technologies (KET) support the adoption of Industry 4.0 (I4.0) and are also considered the main drivers of the Circular Economy (CE) transition. In this respect, the guidelines and real use cases to inspire enterprises and industry to lead the twin digital and green transition are still poor.
  • 1.1K
  • 14 Dec 2021
Topic Review
Rainwater Harvesting Systems
Rainwater harvesting (RWH) can be used to mitigate global water crises; however, they have been poorly received by communities because of the unsuitable quality of stored rainwater. Heterotrophic bacteria present in the water can degrade the water’s microbiological quality and create health issues. Moreover, exposure to visible light can affect both suspended and surface-attached heterotrophic bacteria, a phenomenon that is poorly investigated.
  • 1.1K
  • 29 Jul 2021
Topic Review
Sustainable Supply Chain Management for a Circular Economy
Sustainable supply chain management (SSCM) can implement ecological innovations that would collaborate to preserve the environment. Even more broadly, the circular economy (CE) emerges as a component for sustainable development, as it involves activities such as repair, reuse, refurbishment, and recycling. Thus, we conducted an integrative review of the international articles that relate the SSCM with CE.
  • 1.1K
  • 15 Dec 2021
Topic Review
Phytoremediation of Domestic Wastewater
A circular economy (CE) based strategy is essential to progress toward Sustainable Development Goals (SDG). CE is centered on the conversion of waste into meaningful products and resource efficiency with the objective of promoting resource reuse. This study presents the potential of CE approaches in the phytoremediation of wastewater and energy recovery using hydroponic tanks. The integration of phytoremediation with bioenergy, construction and lifespan of hydroponic tanks in phytoremediation of wastewater, selection of aquatic plants, and the expected challenges in the implementation of CE in phytoremediation of wastewater were discussed. It further elucidates a comprehensive circularity assessment methodology that would enable and support a strategic CE framework for phytoremediation techniques in wastewater treatment. Additionally, a complete view of the feedstock conversion process into valuable end products was discussed in this CE strategic study. The findings obtained provided insights into the relative growth rate of the plant-based biomass harvested from the phytoremediation of domestic wastewater. It also provided information on the economic and technical feasibility of wastewater phytoremediation using hydroponic tanks for simultaneous recovery of treated water and plants’ biomass to enable large-scale implementation. Furthermore, optimizing resource recovery and bioenergy generation, developing new approaches and solutions, and improving process stability would help encourage and enhance the adoption of the CE framework in the phytoremediation of domestic wastewater.
  • 1.1K
  • 30 Jun 2022
Topic Review
Lignocellulosic Biomass as a Renewable Source
Lignocellulosic biomass is the primary structural component of plant matter and is mostly inedible, generally referring to organic materials such as wood, grass, and agricultural crop residues. Biomass is a plentiful and carbon-neutral renewable energy source that may be used to create platform chemicals and fuels, especially considering that up to 75% of initial energy can be converted into biofuels.
  • 1.1K
  • 13 Oct 2022
Topic Review
Fire Tracking Based on Satellite Videos
Fire tracking has become an attractive application of satellite remote sensing thanks to the characteristics of recent remote sensing images, such as high frequency, large range, and multi-spectrum. Additionally, the high-resolution images provide more information and high-time resolution data in forest fire monitoring, showing great potential in environment monitoring. In recent years, many researchers have concentrated on the activate fire detection based on single images, while a few pieces of literature tracked the fire and smoke based on multi-temporal detection or continuous detection. A vital component of fire tracking from remote sensors is the accurate estimation of the background temperature of an area in a fire’s absence, which helps identify and report fire activity.
  • 1.1K
  • 29 Aug 2022
Topic Review
Built Environment Factors and Residential Land Carbon Emissions
Evaluating the effects of built environment factors (BEF) on residential land carbon emissions (RLCE) is an effective way to reduce RLCE and promote low-carbon development from the perspective of urban planning.
  • 1.1K
  • 13 May 2022
Topic Review
HEIs, Latin America Circular Economy
HEIs (Higher Education Institutions ) are main actors in the economic development and innovative potential of regions, but now and an increasing number of additional roles are expected. HEIs, as institutional actors, are enablers of social, economic, and cultural development, and sustainability. HEIs can foster collaboration between actors and catalyze public awareness and engagement in CE practices.
  • 1.1K
  • 13 Sep 2021
Topic Review
Enhancement of Anaerobic Digestion with Nanomaterials
The number of research reporting the addition of nanomaterials to enhance the process of anaerobic digestion has exponentially increased. The benefits of this addition can be observed from different aspects: an increase in biogas production, enrichment of methane in biogas, elimination of foaming problems, a more stable and robust operation, absence of inhibition problems, etc. Several hypotheses have been formulated, with the effect on the redox potential caused by nanoparticles probably being the most accepted, although supplementation with trace materials coming from nanomaterials and the changes in microbial populations have been also highlighted. The types of nanomaterials tested for the improvement of anaerobic digestion is very diverse, although metallic and, especially, iron-based nanoparticles, are the most frequently used.
  • 1.1K
  • 22 Jul 2022
Topic Review
Odors Abatement
Traditionally, odor abatement has been carried out using physical–chemical technologies such as chemical absorption (scrubbing) and adsorption. However, biological technologies for odor treatment such as biofilters or biotrickling filters have become more relevant in the last years for many reasons, such as their high odor removal performances and the low operational costs associated.
  • 1.1K
  • 27 May 2022
Topic Review
Cellular Automata in Modeling and Predicting Urban Densification
The creation of an accurate simulation of future urban growth is considered to be one of the most important challenges of the last five decades that involves spatial modeling within a GIS environment. Even though built-up densification processes, or transitions from low to high density, are critical for policymakers concerned with limiting sprawl, the literature on models for urban study reveals that most of them focus solely on the expansion process. Although the majority of these models have similar goals, they differ in terms of implementation and theoretical assumptions. Cellular automata (CA) models have been proven to be successful at simulating urban growth dynamics and projecting future scenarios at multiple scales.
  • 1.1K
  • 05 Aug 2022
Topic Review
Daylight in Downtown Area of a Compact City
Daylight is of utmost importance and should be the main source of light in most areas dedicated to working and living. When considering the contemporary way of living, it can be easily discerned that most of human life is spent indoors, yet in a typical architectonic design approach, daylight is too often hardly of consequence. Hence daylight becomes a critical factor. Designers comply with the legal requirements of the solar hours required for areas subjected to constant use. Simultaneously for electrical engineers’ daylight is only an additional source of light valued only where energy efficiency is concerned. 
  • 1.1K
  • 28 Mar 2022
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