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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.
  • 623
  • 29 Jul 2021
Topic Review
Quantifying the UDS Hydraulic and Social Resilience
Various approaches to quantifying resilience have sparked debate in past years. Researcher measures the social and hydraulic resilience of an Urban Drainage System (UDS) using two methodologies, i.e., a proposed index-based framework and a parametric-based Multi-Criteria Decision Making (MCDM) method. The former positions flexibility as a key property of the resilience concept, and after quantifying four characteristics of a flexible system, measures the flood resilience based on quantifying the two resilience components, i.e., flexibility and resistance; while. The latter calculates the resilience through a linear combination of the actual values and relative weights for different UDS sub-characteristics which best describe the resiliency of the system. 
  • 403
  • 12 Jul 2022
Topic Review
Pulsed Flows and Patterned Surfaces Mitigate Membrane Fouling
Patterned membrane surfaces offer a hydrodynamic approach to mitigating concentration polarization and subsequent surface fouling. However, when subject to steady crossflow conditions, surface patterns promote particle accumulation in the recirculation zones of cavity-like spaces. In comparison, a rapidly pulsed crossflow induces mixing mechanisms (i.e., the deep sweep and the vortex ejection) that disrupt recirculation zones and reduce the rate of particle accumulation.
  • 409
  • 31 Jan 2024
Topic Review
Prospects of Photovoltaic Materials Recycling and Disposal
The End-of-Life (EoL) management of photovoltaic (PV) modules has always present significant concern to the scientific community, especially when large scale emergence of PV waste is expected in the near future. As PV waste contains rare and hazardous materials as its composition, its unregulated disposal poses the problem of polluting the environment and wastage of potentially usable resources. Hence, researchers have delved into the recycling and recovery of materials from PV waste to improve the sustainability of the EoL management of PV modules.
  • 543
  • 21 Jul 2022
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. 
  • 411
  • 03 Nov 2022
Topic Review
Properties of Clays
 The basic component of clay–cement slurries is clays, which give specific properties to viscoplastic bodies. Since there is a whole range of clays with different degrees of crystallization, their properties are variable. This is particularly important because in technological practice, clays found in the area of the hydrotechnical work performed are usually used.
  • 554
  • 03 Jan 2023
Topic Review
Properties and Principles of Cool Pavements Usage
With growing urban populations, methods of reducing the urban heat island effect have become increasingly important. Cool pavements altering the heat storage of materials used in pavements can lead to lower surface temperatures and reduce the thermal radiation emitted to the atmosphere. Cool pavement technologies utilize various strategies to reduce the temperature of new and existing pavements, including increased albedo, evaporative cooling, and reduced heat conduction. This process of negative radiation forces helps offset the impacts of increasing atmospheric temperatures.
  • 1.2K
  • 20 May 2022
Topic Review
Production of BioH2 Using Microalgae
Demand for clean energy has increased due to the proliferation of climate change impact from excessive emission of greenhouse gases (GHG) from the combustion of fossil fuels. H2 is a clean energy source since water vapor is the only byproduct after its combustion. Growing microalgae offers a promising low-energy and low-cost approach for bioH2 production. Diverse microalgae can generate bioH2, including Chlorella sp., Scenedesmus sp., Monoraphidium sp., Platymonas sp., Tetraspora sp., Closterium sp., and Chlamydomonas sp. Even though green microalgae have high potential as a renewable energy source, only about 70 species from more than 30 genera have been researched so far.
  • 702
  • 13 Jan 2023
Topic Review
Product Recycling Desirability Model
Product Recycling Desirability Model (PRDM) was coined as a competent model for prioritizing product selection for recycling due to its successful application in several international cases, including those of the United States, the United Kingdom, the European Union, China, and India. The model’s critical parameters were: (i) the ease with which the product’s components could be disassembled for recycling, (ii) the readiness of the recycling technology in place to carry out the recycling operation; and (iii) the criticality of the materials contained in end-of-life products, which make them prime candidates for recycling.
  • 616
  • 13 May 2022
Topic Review
Principles of Nutrient Recovery in BESs Using Membranes
Bioelectrochemical systems (BESs) have emerged as a technology that is able to recover resources from different kinds of substrates, especially wastewater. Nutrient recovery, mostly based on membrane reactor configuration, is a clear niche for BES application. The recovery of nitrogen or phosphorus allows for treatment of wastewater while simultaneously collecting a concentrated stream with nutrients that can be reintroduced into the system, becoming a circular economy solution. 
  • 276
  • 21 Feb 2023
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