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Papers
20 resultsShowing papers similar to Benefits and limitations of recycled water systems in the building sector: a review
ClearFrom drainage to resource: a practice approach to reuse greywater for household irrigation purposes
This study reviewed practical approaches to reusing household greywater for irrigation purposes as a strategy for addressing freshwater scarcity. The research highlights that while treated greywater can reduce potable water consumption, concerns remain about contaminants including microplastics that may be present in greywater streams.
Innovative Sustainable Concrete: Fresh and Hardened Properties Incorporating Plastic Waste
This study investigated the effects of incorporating plastic waste into concrete on mechanical and durability properties, addressing the hydrophobic nature and poor interfacial adhesion of plastic as a challenge within circular economy frameworks for construction material sustainability.
The role of grey water footprint in urban wastewater management: from pollution to reuse
This study evaluated grey water footprint as a qualitative indicator of wastewater impact using eight years of real data from a municipal treatment plant and its receiving water body, demonstrating its utility for tracking wastewater management effectiveness over time.
Utilization of plastic waste as replacement of natural aggregates in sustainable concrete: effects on mechanical and durability properties
Researchers tested concrete made with recycled polyethylene and PET plastic aggregates substituted for natural sand and gravel, finding that while plastic additions reduced compressive strength and increased water permeability, they improved impact resistance and chloride resistance, with PET concrete showing no microplastic leaching.
A Step towards Sustainable Concrete with Substitution of Plastic Waste in Concrete: Overview on Mechanical, Durability and Microstructure Analysis
This review evaluates the use of plastic waste as a substitute material in concrete, analyzing its effects on mechanical strength, durability, and microstructure to assess its viability as a sustainable construction approach.
Emerging Pollutants in Wastewater: A Challenge for Water Reuse
This review examines emerging pollutants in wastewater as a central challenge for water reuse strategies, covering contaminants present at both domestic and industrial scales. It evaluates the sustainability benefits and treatment hurdles associated with recycling wastewater to address global water scarcity.
A Critical Review of Water Reuse: Lessons from Prehistoric Greece for Present and Future Challenges
This review traces the history of water reuse practices from ancient Greece to modern times, highlighting how early civilizations already understood the value of treating and repurposing wastewater. Researchers compare historical approaches with current advanced technologies including membrane filtration and direct potable reuse systems. The study argues that lessons from antiquity can inform contemporary water management strategies, particularly as growing populations and climate change put increasing pressure on freshwater resources.
Unlocking the Potential of Reclaimed Water: Analysis of the Challenges and Market Size as a Strategic Solution for Water Scarcity in Europe
This study examines the market potential and challenges for reclaimed water as a solution to water scarcity in Europe, assessing regulatory frameworks, treatment technology gaps, and reuse applications. It identifies microplastics and pharmaceuticals as key contaminants of concern in reclaimed water and discusses standardisation needs.
A critical review of the current progress of plastic waste recycling technology in structural materials
Researchers reviewed technologies for recycling plastic waste into construction materials such as concrete and asphalt, finding this approach can meaningfully reduce the environmental burden of plastic pollution. Incorporating plastic waste into building materials offers a practical path toward both waste reduction and more sustainable construction.
Treatment of greywater and presence of microplastics in on-site systems
Researchers investigated microplastic occurrence in on-site wastewater treatment systems used for greywater, finding that these decentralized systems do not fully remove microplastics before discharge. The study highlights a poorly studied pathway for microplastics entering the environment.
Health risks from non-potable use of recycled water in buildings. Part 2 - Greywater
This review describes the physical, chemical, and microbiological quality of greywater and examines the health risks associated with its non-potable reuse in buildings through ingestion, inhalation, and dermal contact exposure pathways. The authors recommend combining treated water quality standards with technology performance requirements (expressed as log reductions of reference pathogens) and safe-use behavioral guidance for public health protection.
Insights into Global Water Reuse Opportunities
This review examines global opportunities and challenges for reusing treated wastewater, which is becoming increasingly important as water scarcity worsens worldwide. A key concern discussed is that recycled water may contain emerging contaminants including microplastics that current treatment methods do not fully remove. The findings highlight the need for advanced treatment technologies to ensure that water reuse does not become a pathway for microplastic exposure in communities.
Waste Management for Green Concrete Solutions: A Concise Critical Review
This review examines the use of industrial waste materials — including recycled plastics and rubber — as partial replacements for conventional concrete components, evaluating their effects on strength, durability, and environmental footprint with a focus on sustainable construction applications.
Sustainable wastewater reuse for agriculture
Researchers reviewed the potential of treating and reusing wastewater for agricultural irrigation, noting that while less than 20% of the world's wastewater is currently treated, advanced systems could provide a stable, energy-generating water supply for farming. The main hurdle is that current treatment technologies cannot fully remove all emerging chemical contaminants, including microplastics, which may affect crops and human health.
Sustainability Performance of Voided Concrete Slab Using Waste Plastic Bottles
Researchers investigated the sustainability performance of voided concrete slabs incorporating waste plastic bottles as void formers, assessing cost reduction, embodied energy, and CO2 emissions relative to conventional solid slabs. They found that using waste plastic bottles reduced material costs and embodied energy while also lowering CO2 emissions, supporting their use as an environmentally beneficial construction approach.
Utilization of Plastic Waste in Concrete Pavement
Researchers investigated the use of recycled high-density polyethylene (HDPE) plastic waste as an aggregate in concrete pavement mix designs, finding that incorporation of HDPE improved mechanical performance and durability while reducing landfill waste and energy consumption in the concrete sector.
Nature-Based Urban Drainage Solutions Using Industrial Waste-Incorporated Pervious Concrete Pavements
Scientists tested special concrete made with recycled materials like old concrete and ceramic waste to see if it could clean dirty stormwater runoff from city streets. The recycled concrete worked well at filtering out pollution and dirt from the water while staying strong enough for sidewalks and parking lots. This matters because cleaner stormwater means less pollution flowing into rivers and drinking water sources that affect human health.
Greywater Reuse: Contaminant Profile, Health Implications, and Sustainable Solutions
This review examines the safety of reusing household greywater (from laundry, bathing, and dishes) and finds it contains a wide range of contaminants including microplastics, pharmaceuticals, and pathogens. The authors highlight that microplastics from synthetic clothing fibers are especially common in laundry greywater. Reusing this water for irrigation or other purposes without proper treatment could introduce microplastics and other harmful substances into soil and food crops.
A New Sustainable PPT Coating Based on Recycled PET to Improve the Durability of Hydraulic Concrete
Researchers synthesized a new sustainable polypropylene terephthalate (PPT) coating derived from recycled PET and evaluated its performance in improving the durability of hydraulic concrete exposed to water and aggressive environments. The coating demonstrated enhanced protection against water penetration and chemical attack, offering a circular economy approach to infrastructure protection.
Water circularity index: A novel approach for authorities and operators
This paper proposes a novel water circularity index that evaluates both quantity and quality dimensions of water use across an entire usage cycle, going beyond traditional single-metric efficiency frameworks. The index is intended to help water authorities and operators assess and optimize the circular use of water resources in integrated systems.