Articles tagged with Wastewater
Climate change will exacerbate water scarcity, not just due to reduced supply, but also due to poor quality, affecting different sectors differently. Sub-Saharan Africa and the Middle East face particularly challenging prospects, with increased demand for clean water by 1225%.
Blending moderate amounts of organic cleaning wastewater with coal lowers ignition temperature and reduces combustion activation energy, but excessive addition weakens overall combustion. The study suggests a practical balance between easier ignition and stable combustion can be achieved.
A China-wide study reveals that hospital characteristics do not significantly shape nearby water resistomes, with geography and broader urban pollution being the main factors influencing antibiotic resistance gene patterns. Proper wastewater treatment can substantially reduce the environmental release of resistance genes from hospitals.
Researchers found that polyethylene microplastics modify as they age in soil, but these changes have little effect on how they interact with various organic contaminants. The study suggests the soil itself, not the plastic, remains the main factor influencing the environmental fate of these chemicals.
A recent study found that hospitals' wastewater controls significantly reduced antibiotic resistance in nearby waters, contrary to previous assumptions. Geography rather than hospital proximity was the primary factor shaping local resistomes. The research highlights the importance of effective treatment infrastructure and regulatory en...
A new study from the University of Surrey found that shower habits, such as applying shampoo or pausing water while washing, contribute significantly to household water waste. Showers account for between 25% and 45% of indoor water use, making them a major contributor to domestic water consumption.
Researchers analyzed wastewater samples from 19 communities across North Carolina, revealing patterns of plant and animal consumption influenced by economics, immigration, and geography. The study demonstrates the potential for wastewater surveillance to track nutrition trends and identify gaps in food access.
Scripps Research scientists will develop more comprehensive wastewater surveillance technologies and integrate diverse data to improve outbreak prediction. The project aims to support faster public health responses worldwide, particularly in low- and middle-income countries.
A team of Rice University researchers has developed an RNA-based barcoding system to track gene transfer between bacteria and bacteriophages. The approach reveals previously unknown bacterial hosts for the bacteriophage P1 and shows how subtle changes in viral structure influence host range, offering a powerful tool for next-generation...
Researchers found high levels of antidepressant drugs in four North Carolina rivers, exceeding toxic thresholds for aquatic life. The study highlights the need for effective remediation strategies to mitigate environmental contamination and human health risks.
Researchers found that textile wastewater treatment produces high levels of toxic byproducts, including chloroform and bromoform, which pose significant health risks to workers and the environment. The study suggests that alternative treatment methods or improved worker protections may be necessary to mitigate these hazards.
Researchers at the University of Rochester developed a solar-thermal desalination process that produces fresh water in an energy-efficient way, eliminating brine and requiring no chemical additives. The technology extracts nearly 100% of salts in solid form, producing table salt and precious minerals like lithium.
Researchers used wastewater surveillance to detect drug-resistant Candida auris strains up to five months before patients showed symptoms, opening a new frontier for hospitals. The study found higher detection rates and concentrations of the pathogen in hospital wastewater compared to community-scale treatment plants.
A new coating method keeps bacteria submerged throughout the manufacturing process, increasing survival rates by around 500 times. The research enables concentrated bacterial activity in less space, addressing a persistent problem with biocoatings.
Researchers develop automated plasma-bubble technology that intensifies cold plasma-liquid interaction to transform industrial wastewater into a reusable fertigation medium. The technology fixes vital bioavailable nitrogen in wastewater, reducing organic loads and suspended particles while increasing plant growth rates.
A University of Osaka-led team developed a wastewater-based epidemiology approach to estimate influenza incidence, predicting community outbreaks about one week earlier than publicly available data. The method also enables separate estimation of influenza A and B trends, supporting more detailed monitoring of seasonal outbreaks.
A year-long study of NYC's East River used environmental DNA to reveal insights into urban wildlife activity, human food consumption and ecosystem health. The findings suggest that urban waterways can become continuous biosensors tracking biodiversity and habitat restoration outcomes.
A new study reveals that freshwater fish are accumulating antidepressants, opioids, and other drugs of abuse in their bodies, which can alter their behavior, development, and reproduction. The research uses a novel analytical method to detect these substances in small fish living in rivers receiving urban wastewater.
A new study reveals that Waikiki is facing a fundamental shift in flood hazards as sea levels rise, transitioning from rainfall-driven floods to tidal process-dominated events. The team identified two key pathways, storm drain backflow and groundwater emergence, which will increase public exposure to sewage-contaminated waters.
Researchers discovered that human urine contains essential nutrients for plants, including nitrogen, phosphorus, and potassium. The team developed a low-energy process to concentrate urine into a fertiliser-rich stream, reducing the burden on treatment plants.
Research from Johns Hopkins University found that tomatoes, carrots, and lettuce accumulate pharmaceutical byproducts in their leaves, which may be a concern for consumers eating the fruit and roots of these vegetables
Research from Princeton University reveals that nations globally underreport greenhouse gas emissions from wastewater facilities by up to 27%. Accurate estimates are crucial for sound public reporting and practical decision-making in the wastewater sector. The study finds that wastewater systems offer strong options for emissions reduc...
POST-PURPLE aims to convert urban wastewater and organic waste into valuable resources through innovative bio-based technologies. The project will demonstrate practical pathways toward cleaner, more circular urban biorefineries and reduce diffuse emissions.
Researchers developed a process to convert phytate into bioavailable phosphate using a biocatalyst, improving phosphorus recycling efficiency. The method uses engineered yeast cells displaying the enzyme phytase, which can efficiently and stably convert organic phosphorus into usable phosphate.
A HKUST research team developed an innovative urban food waste management framework analyzing food waste data from 29 large cities worldwide. The study shows that grinding food waste and diverting it into sewage systems can reduce greenhouse gas emissions by 47% and lower total waste-management costs by 11%.
A new FAU study uncovers the impact of acidic water on shell-building marine organisms, highlighting the need for strategies to mitigate coastal acidification. The research found that nutrient pollution, freshwater input, and other environmental factors contribute to reduced aragonite saturation.
Researchers from Tohoku University developed a 3D covalent organic framework (COF) that enables efficient and selective removal of anionic dyes from contaminated water. The COF, TU-123, demonstrates high adsorption capacity and removal efficiency, making it a promising solution for advanced wastewater purification technologies.
A study in Japan found that wastewater surveillance can uncover the true scale of COVID-19 spread by detecting high viral loads in sewage despite reduced clinical testing. This approach offers an objective view of community-wide infection levels, unaffected by changes in testing policies or public behavior.
Researchers systematically analyze recent advances in electrochemical strategies designed to extract uranyl from complex aqueous environments. Electro-adsorption, electrocatalysis, and photo-electrocatalysis approaches offer a potentially energy-efficient alternative to traditional chemical separation methods.
A study analyzing over 100 cities in Asia, Africa, and Latin America found that compact urban planning is crucial for delivering water and sanitation to growing populations. The research suggests that if cities spread outward rather than building more densely, access to clean water and basic sanitation could be significantly impacted.
Researchers analyzed 1,240 wastewater samples from 351 cities worldwide and discovered latent antimicrobial resistance genes. The study highlights the need for broader surveillance of resistance in wastewater to curb future pandemics.
A study published in Nature Communications found that while some municipal wastewater samples select for antibiotic-resistant E. coli, most instead suppress their growth, suggesting wastewater treatment plants may not be breeding grounds for resistance as commonly thought.
A new, affordable sensor detects toxic perchlorate in water with rapid accuracy, offering a solution for better environmental monitoring and public health. The sensor's design combines precision molecular engineering with practical field applications to improve safety.
A new study from Linköping University finds that wastewater treatment plants emit significantly more greenhouse gases than previously thought. Drones measured methane and nitrous oxide emissions at 12 Swedish treatment plants, revealing a significant discrepancy between estimated and actual emissions.
Lehigh University researchers are collaborating with Dow on a three-year NSF-funded project to understand the chemistry behind full degradation of these polymers. The goal is to develop strategies for selective mixing of microbial communities to target different parts of the polymer for complete breakdown.
Researchers found 'roof drainage' to be the main cause of radioactive cesium flow, with baseflow varying by air temperature. The study provides insights for improving monitoring systems and environmental management.
Researchers developed granular beds with asymmetric wettability to treat refinery wastewater. The structure directs oil droplets to migrate efficiently, reducing blockages and energy consumption. The findings offer a reliable technical pathway for optimizing energy consumption and scaling up oily wastewater pretreatment processes.
A study analyzing over 15,000 US treatment plants found that methane and nitrous oxide are the dominant greenhouse gases, exceeding current government estimates by 41%. The researchers identified opportunities for low-hanging-fruit reductions in emissions through fixing leaks and developing new technologies.
Lauren Stadler, associate professor of civil and environmental engineering at Rice University, has been awarded a $100,000 research prize to develop real-time biosensors that can detect pathogens, health biomarkers, and chemicals in wastewater. Her goal is to create a decentralized, continuous monitoring system that enables near-instan...
University of Arkansas researchers have found a new way to clean wastewater of toxic and carcinogenic dyes commonly used in the garment industry. They developed an environmentally friendly solution using lignin, a low-cost biopolymer derived from plant cell walls.
A study has identified KPC-type carbapenemase-producing bacteria in Chilean wastewater, raising concerns about environmental circulation of microorganisms with high antibiotic resistance levels. The finding emphasizes the need for surveillance within the framework of
A newly developed system recovers a valuable fertilizer from urine using solar energy, providing essential sanitation and reducing the need for expensive imported fertilizers. The prototype shows promise for powering irrigation in resource-limited regions and could be scaled to help farmers around the world.
Researchers at Penn State found that shallowly injected wastewater into groundwater does not completely clear potentially harmful contaminants like nitrogen and phosphate. The team suggests modifying the effluent's chemical makeup to increase salinity and density to improve filtration time.
A new CRISPR-based system enables rapid on-site pathogen detection in wastewater, reducing costs by 50% compared to traditional methods. This innovation paves the way for sustainable epidemic surveillance in resource-limited regions.
A study evaluates a city-level warning system based on wastewater data to detect COVID-19 outbreaks early. The proposed system offers broader coverage, earlier outbreak detection, and lower costs compared to clinical surveillance.
A new UNLV-led study uses AI to detect emerging virus variants in wastewater samples, outperforming existing methods. The algorithm can identify unique signatures for different virus variants with as few as two to five samples, significantly earlier than current methods.
A study published in Scientific Reports found that large rain events combined with sea level rise could cause severe flooding across 70% of Waikīkī, contaminating stormwater inlets and disrupting transportation. By 2050, the entire Waikīkī storm drainage system is expected to fail, posing a health hazard from contaminated water.
A University of Minnesota research team has found that measuring SARS-CoV-2 in wastewater continues to accurately predict subsequent COVID-19 case counts in a community. The study demonstrates the continued importance of wastewater surveillance for public health planning and informing real-time decision-making frameworks.
Researchers have developed innovative composite nanotechnology that removes excess nutrients from wastewater, converting them into agricultural fertilizers. The technology reduces ammonia and phosphate concentrations by up to 60% and 91%, respectively, effectively preventing harmful algal blooms and associated toxins.
A new study reveals that untreated wastewater released into the Chicago River during extreme rain events significantly alters the freshwater ecosystem. Zooplankton populations disappeared or increased dramatically, affecting the entire food web and potentially infusing harmful chemicals into the water.
A recent study has identified a key factor contributing to nitrous oxide emissions in wastewater treatment plants: an imbalance between bacteria groups and oxygen levels. By increasing oxygen concentrations, the researchers suggest that emissions can be significantly reduced without requiring major infrastructural changes.
Menachem Elimelech, a renowned leader in desalination and water purification, received the Sidney Loeb Award for his pioneering contributions to membrane-based water treatment technologies. His research focuses on developing advanced membranes and energy-efficient processes for desalination and wastewater reuse.
Researchers have developed a highly sensitive method to detect nitazenes – highly potent synthetic opioids – and xylazine, an animal sedative not approved for human use, in Australian wastewater. The method achieved up to 1000-fold enrichment and detected trace levels of these substances, posing significant risks of overdose.
The CoVaRR-Net network successfully bridged critical research and public health gaps exposed by the COVID-19 pandemic through interdisciplinary collaboration and innovative approaches like wastewater surveillance. Its achievements include 139 peer-reviewed publications, evidence-based public health decisions, and a global leader in ear...
Researchers from UT Arlington discovered that many wastewater treatment plants are unable to effectively remove dangerous microplastics, which can transport other pollutants into the environment. This poses potential long-term health impacts for humans, including cardiovascular disease and cancer.
Arup K. SenGupta, a renowned water scientist at Lehigh University, has been honored with the ASCE Freese Award and Lecture for his pioneering work in ion exchange science and technology. He will present on 'Development and Global Application of Hybrid Ion Exchange Processes' during the 2025 World Environmental & Water Resources Congress.
The UK's first water monitoring center is launched to detect disease outbreaks and community health issues. Researchers will analyze wastewater samples from four urban areas, tracking chemicals and biological markers to identify early warning signs of infectious diseases and chronic health conditions.
A study by Eawag and the University of Zurich found that human impacts on biodiversity are widespread and severe, with average species declines of 20% across all biogeographic regions. The composition of species communities is also shifting, with environmental pollution and habitat changes having a particularly negative impact.
The grant aims to develop an electrochemical system capable of recovering uranium from wastewater, improving ecosystem health and addressing uranium security. The project will focus on designing electrode materials for efficient uranium extraction and minimizing toxic waste.
Antimicrobial Resistance (AMR) in wastewater poses a significant threat to human health due to the spread of drug-resistant pathogens. The Microbiology Society's new policy briefing outlines key interventions to tackle AMR in wastewater, including monitoring, stakeholder engagement, and treatment technologies.