Articles tagged with Wastewater
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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.
A new method for detecting antibiotic resistance genes (ARGs) in wastewater has been developed by researchers, which uses CRISPR-Cas9 technology to enrich ARG fragments and increase detection sensitivity. This enhanced method was found to detect 1189 more ARGs and 61 more ARG families compared to standard metagenomics methods.
Dr. Jonathan Cox warns of the dangers of raw sewage in UK coastal waters, highlighting the risk of gastrointestinal, respiratory, and skin infections to vulnerable groups. He advocates for checking water quality before visiting beaches and praises efforts like the Safer Seas and Rivers Service to combat pollution.
Researchers outline critical safeguards needed to balance public health benefits with Indigenous data sovereignty rights. The study highlights the risks of DNA persistence in wastewater samples, which can reveal sensitive information about community health.
Researchers developed a liquid fertilizer replacing unsustainable chemical fertilizers with organic waste, producing up to 100% of nitrogen and 77% of phosphorus. The method also increases phosphorus solubility by adjusting pH levels.
Researchers at University of California, Merced are using wastewater-based epidemiology to track nicotine use in San Joaquin Valley communities. The project aims to determine trends and levels of nicotine use through chemicals in wastewater, providing valuable insights for public health agencies and tobacco-control researchers.
A study analyzing lithium brine and waste materials found extremely high arsenic levels, potentially threatening local wildlife. The researchers also discovered increasing acidity and boron levels in evaporation pond brine, highlighting the need for sustainable management strategies.
A high number of poliovirus detections in European countries has highlighted the importance of maintaining high vaccination coverage. The virus can be imported into Europe as long as it circulates globally, posing a risk to unvaccinated populations.
Researchers unveiled an innovative system that outperforms conventional filtration methods by combining microbial electrochemical technologies with enhanced biodegradation processes. The biofilter demonstrates significant removal of pharmaceuticals and herbicides, altering their chirality to influence toxicity and biodegradability.
Researchers have found dialysis to be 'astonishingly effective' in separating salts from organic substances in wastewater, reducing environmental impacts and costs. The method mimics medical dialysis technology, eliminating the need for repeated dilutions and fouling, and enabling resource recovery.
Scientists predict the proposed wastewater release into Cape Cod Bay will stay in the bay for at least a month, with seasonal winds affecting its spread. The study used high-resolution ocean circulation models to simulate the plume's behavior and found that the majority of the water will come close to the shore before leaving the bay.
A new study provides a comprehensive breakdown of how water injected into the Permian Basin changes subsurface pressures and causes earthquakes. The research offers insights that oil and gas operators and regulators can use to reduce seismicity and associated hazards.
The Guarani Aquifer, the world's largest cross-border groundwater reservoir, is being overused in São Paulo state, Brazil. The study found that rainwater is insufficient to replenish the aquifer due to increased water withdrawals for human activities.
A team of scientists has developed an aerogel made from chitosan and sodium carboxymethyl cellulose that addresses the dual challenge of tannery wastewater treatment and resource utilization. The aerogel demonstrates exceptional adsorption capacities for Cr(III), Al(III), and Zr(IV) ions, commonly found in tannery effluents.
Researchers identified two microbe strains capable of degrading petroleum hydrocarbons, holding promise for treating contaminated marine oil spills. These microorganisms also exhibit potential to reduce the toxicity of oily wastewater, offering a sustainable solution for environmental remediation.
A new study finds that reducing the depth of wastewater injection can decrease seismic activity, lending further support to this approach. The research suggests that regulatory efforts to backfill some injection wells with cement and reduce volumes have been effective in lowering Oklahoma's induced earthquake rate.
Researchers from Osaka Metropolitan University have discovered a combination of green algae and yeast that enhances wastewater treatment efficiency. The mixture boosts the growth environment, uptake of ammonium and phosphate ions, making it an effective solution for wastewater treatment facilities.
Researchers at the University of Illinois have created an electrochemical strategy to capture, concentrate, and destroy PFAS from water using a single device. The new process combines redox electrodialysis with electrosorption to effectively remove ultra-short-chain PFAS molecules.
A new study finds that pathogens like Listeria and E. coli can survive on microplastics in wastewater treatment plants. These biofilms, called plastispheres, protect the pathogens from treatment processes, highlighting a challenge for safely reusing treated water.
A study from Osaka University found a reliable wastewater surveillance method, tracking regional infection trends with high sensitivity and reproducibility. The research team concluded that at least three samples per week are required for accurate monitoring.
Researchers developed a system using woodchips and biochar to remove nitrogen, phosphorus, and pharmaceuticals from wastewater. The treatment-train approach showed significant removal of pollutants, with the biochar acting like activated carbon to efficiently remove pharmaceutical residues.
A team of researchers has developed a method to extract valuable materials such as biopolymers and phosphorus from wastewater treatment plants. These biomaterials can be used as sustainable alternatives to oil-based products in various industries, including paper production, building materials, and water purification.
The review highlights the potential of cellulose-based materials in purifying wastewater without causing environmental harm. Cellulose can be converted into valuable products like hydrogels, aerogels, and nanocellulose for sustainable water remediation.
Researchers discovered that wastewater bacteria can break down plastic into small pieces called nanoplastics and use a specialized enzyme to further degrade it. The bacteria then use the broken-down plastic as a food source, providing new possibilities for developing bioengineering solutions to clean up difficult-to-remove plastic waste.
Researchers aim to reduce PFAS contamination risk in agriculture by developing monitoring tools and strategies for remediation. The study focuses on comprehensively understanding PFAS uptake and bioaccumulation in plants, advancing strategies for PFAS remediation in biosolid/soil.
Researchers found that stored human urine had little impact on soil bacterial communities, increasing nitrifying and denitrifying groups compared to synthetic fertilizers. The study suggests that recycled urine could enhance agricultural sustainability, reduce wastewater pollution, and decrease reliance on synthetic fertilizers.