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Topic Review
Physical and Mental Health Impacts of Nitrogen Oxide
Nitrogen oxides (NOx) are gaseous pollutants contributing to pollution in their primary form and are also involved in reactions forming ground-level ozone and fine particulate matter. Thus, NOx is of great interest for targeted pollution reduction because of this cascade effect. To achieve a holistic understanding of the correlation between NOx and human health, both the physical and mental health implications must be accounted for. The following content is intended to be illustrative in nature, and not exhaustive of all research conducted in the field. 
  • 721
  • 24 Jun 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.
  • 707
  • 13 Sep 2021
Topic Review
Design, Construction and Maintenance of Green Roofs
Urbanisation affects the water cycle and heat balance in a negative way. Vegetated roofs have the potential to minimise the effects of urbanisation. Converting concrete and tiles roofs into green roofs can increase green urban areas and has the potential to reverse such effects, so the design, construction and maintenance of green roofs are very important.
  • 706
  • 20 Oct 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
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.
  • 702
  • 14 Dec 2021
Topic Review
Inclusive Design of Workspaces
Accessible design within the built environment has often focused on mobility conditions and has recently widened to include mental health. Additionally, as one in seven are neurodivergent (including conditions such as ADHD, autism, dyslexia, and dyspraxia), this highlights a growing need for designing for ‘non-visible’ conditions in addition to mobility. Emphasised by the growing disability pay gap and the disability perception gap, people with disabilities are still facing discrimination and physical barriers within the workplace. To ensure the built environment contributes to an equal and inclusive society, people need to ensure their spaces are being designed to be accessible and inclusive. Successful integration of inclusive design within the design process contributes to the overall usability of the space, thus improving the overall sustainability of infrastructure. Similarly, by following the social model of disability, designers must aim to remove barriers experienced by the user, hence shifting the responsibility onto the designer to actively design a better space.
  • 694
  • 21 Apr 2022
Topic Review
Polyelectrolytes Sorbents used in Advanced Wastewater Treatment
Municipal wastewater treatment plants (MWWTPs) face great challenges in optimizing technologies and ensuring environmental sustainability, in direct correlation with the increased pollution with emerging and priority compounds, wastewater quality discharged and climate changes challenges. The recent developments on the synthesis and characterization of composites based on polyelectrolytes, are discussed, and a correlation of their actual structure and properties with the adsorption mechanisms and removal efficiencies of various pollutants in aqueous media (priority and emerging pollutants or other model pollutants) are presented.
  • 694
  • 06 Dec 2021
Topic Review
Virus Monitoring Strategies for Wastewater Reuse
Wastewater reclamation and reuse have the potential to supplement water supplies, offering resiliency in times of drought and helping to meet increased water demands associated with population growth. Non-potable water reuse represents the largest potential reuse market. Yet, economic constraints for new water reuse infrastructure and safety concerns due to microbial water quality, especially viral pathogen exposure, limit the widespread implementation of water reuse. Cost-effective, real-time methods to measure or indicate the viral quality of recycled water would do much to instill greater confidence in the practice.  One of the greatest challenges of water-quality monitoring is that pathogens (including viruses as well as bacteria and protozoa) are often present at concentrations high enough to present disease risks but too low for direct detection. As a result, a variety of surrogate microorganisms are used as indicators of microbial water quality. 
  • 686
  • 22 Apr 2022
Topic Review
Membrane Technologies in Dairy Industry
Membrane technologies can be used in the dairy industry for many applications, such as milk clarification or fractioning and a concentration increase in specific components or the separation of them, since they cover a huge range of pore sizes (from 0 to 2 μm) and MWCOs (from 1 to 100,000 Da). For instance, MF can be used for fat globule (10 μm) fractionation as well as bacteria and spore (1 μm) removal. UF can be used for casein micelles (100 nm) or serum protein (10 nm) separation, whereas NF and RO can be used for lactose (1 nm), salt (0.1 nm) and water recovery.
  • 686
  • 18 Nov 2021
Topic Review
Wood Ash Based Treatment of Anaerobic Digestate
The anaerobic digestion (AD) was first applied to deal with the sewage sludge (SS) produced during the primary and secondary treatment of wastewater, but its use to deal with agro-waste and the MSW with around 70% of organic material has been subsequently encouraged.
  • 666
  • 21 Jan 2022
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