Articles tagged with Hazardous Waste
Researchers have developed a new method for cleaning oil spills using massive fire whirls, which can burn through crude oil nearly twice as fast as in-situ fire pools. The results show that fire whirls produce 40% less soot and consume up to 95% of the fuel, leaving fewer harmful particles behind.
A new study published in the Journal of Hazardous Materials found that small home appliances with electric heating coils and brushed DC motors emit large quantities of ultrafine particles, posing significant health hazards. The study suggests that children are at a higher risk due to their smaller airway diameters.
A new study by MIT researchers and their collaborators at national laboratories quantifies I-129 release under three different scenarios: direct disposal in deep underground repositories, dilution and release, and filters to capture I-129. France's practice of reprocessing releases 90% of I-129 into the biosphere, while U.S. approach l...
Researchers at Binghamton University are testing the long-term stability and environmental effects of perovskite solar cells, a more environmentally friendly option, to prevent lead leakage and pollution. The study aims to improve the durability and recyclability of solar panels, enabling widespread adoption of renewable energy sources.
A new gas-solid separation method promises cleaner and cheaper recycling of critical elements. The technique uses flash Joule heating to extract REEs in seconds without water or acids, achieving over 90% purity and yield for REE recovery.
Researchers have identified 21 new PFAS chemicals in Sydney's tap water, exceeding previous estimates. The findings highlight the need for broader monitoring and underscore the persistence of 'forever chemicals' in human systems.
A new study from the University of California, Riverside shows that sealing manure ponds at a Central Valley farm can dramatically reduce atmospheric methane emissions. The researchers found that this method can achieve an 80% reduction in emissions, comparable to California state officials' climate planning estimates.
A new study reveals that pollutants from the Tijuana River are transmitted to both water and air through coastal aerosols, affecting public health and environment. The study found high levels of illicit drugs, personal care products, and chemicals in aerosols, posing risks to residents living near the border.
Scientists at Linköping University have created a sustainable recycling process for perovskite solar cells, allowing all parts to be reused without hazardous solvents. The recycled cell retains the same efficiency as the original, paving the way for efficient energy harvesting and reduced e-waste.
The article reveals that larger EVs are weighing more than conventional cars and require greater critical minerals to produce, delaying efforts to decarbonize the electricity grid. The growing size of EVs is also making waste processing and recycling hazardous
Researchers at Chalmers University of Technology found that biochar significantly reduces DDT uptake by earthworms in contaminated soil, halving the toxin's presence. This method could enable farming on land deemed unusable due to environmental risks.
MIT engineers developed a nanofiltration process to capture aluminum ions from cryolite waste, reducing hazardous waste and improving efficiency. The membrane selectively captured over 99% of aluminum ions, enabling the recovery of aluminum and reducing the need for new mining.
Researchers at King's College London developed a new method to produce biofuels from fatty acids in cooking oil, making it as effective as diesel with improved efficiency. The technology uses enzymes to break down fatty acids into alkenes, reducing the need for conventional catalysts and toxic chemicals.
A new study from Duke University reveals that historic lithium mining is unlikely to contaminate surrounding waters with common pollutants like arsenic and lead. However, high levels of other metals including lithium, rubidium, and cesium were found in the mine's waters.
University of Delaware researchers develop a method to remove toxic particles from tires by upgrading a molecule that provides UV protection into safe chemicals. The leftover crumb rubber can be recycled using classic plastic recycling methods or converted into aromatics and carbon black.
Researchers found high levels of contamination on Perequê Beach in Guarujá, Brazil, with plastic and cigarette butts predominating. The study, published in Marine Pollution Bulletin, highlights the need for public policies to mitigate litter and protect marine ecosystems.
Research by FAU Harbor Branch reveals that managing both phosphorus and nitrogen is crucial for tackling toxic cyanobacterial blooms in Lake Okeechobee. Human waste is identified as a major source of nutrients, with elevated nitrogen levels found in urbanized estuaries and the Kissimmee River.
Scientists at Macquarie University propose using genetically engineered black soldier flies to transform waste management and sustainable biomanufacturing. The flies can consume large volumes of waste quickly, producing valuable industrial inputs such as enzymes and lipids.
Four University of Michigan projects aim to improve the monitoring of nuclear reactors during operation, explore advanced reactor designs, develop ethical siting guidelines for nuclear facilities, and upgrade a facility for studying radiation damage. These initiatives may lead to safer and more efficient nuclear energy production.
Researchers have discovered life-threatening quantities of lead pollution from improperly managed battery waste in off-grid solar technologies in Malawi. The study found that common informal recycling activities for lead-acid batteries release toxic lead pollution, equivalent to more than 100 lethal oral doses per single battery.
Research by Utrecht University reveals that a significant portion of European plastic sent to Vietnam is not recyclable and ends up in nature. The study highlights the need for a systemic approach to tackle human and environmental harm throughout the value chain.
A team at Hokkaido University has developed a method to reuse plastic waste while improving process safety and efficiency. The approach uses common plastic materials to initiate radical chain reactions, detoxifying hazardous chemicals and reducing toxicity.
A study published in Joule found that disposable e-cigarette batteries can last hundreds of cycles and retain over 90% capacity after repeated use. This discovery highlights the growing environmental concern from single-use vape pens, which are not designed to be recharged.
A long-term study found that increased phosphorus availability and salinity are key drivers of change in the lagoon, favoring invasive green macroalga Caulerpa over native seagrass. Reducing wastewater infrastructure and stormwater runoff can help promote seagrass recovery.
Researchers emphasize the need for a holistic approach to tackle plastic pollution, prioritizing 'upstream' issues such as reducing production and consumption of plastics. The treaty should prioritize early interventions, focusing on ecosystems and chemical simplification.
Researchers used Fourier-transform infrared spectroscopy and machine learning to predict adsorption capacity of pharmaceuticals and personal care products on long-term aged microplastics. The study successfully captured the complexity of the system with up to 98% accuracy, providing new insights into the interactions between microplast...
A new method developed by Rice University scientists uses a high-temperature electrothermal process to remove multiple pollutants simultaneously, including heavy metals and organic contaminants. The process leaves soil particle size and mineral composition unchanged, while improving water infiltration rate and nutrient availability.
Researchers at the University of São Paulo estimate that Brazil's active legal mines will release 2.55 gigatonnes of CO2 into the atmosphere if not managed sustainably. The country's technosols, derived from mine tailings and waste, could offset up to 60% of soil-related emissions, according to a new study.
A systematic review from George Washington University links lead exposure during childhood to increased risk of criminal behavior in adulthood. The study's findings highlight the need for policies to prevent future health and social problems from lead exposure.
Researchers found that micro- and meso-plastics accumulate heavy metals, with copper and chromium being prominent contaminants. The study reveals how surface features like holes, biofilms, and mineral crystals facilitate the collection of pollutants on plastic particles.
Researchers at Pusan National University have developed a new adsorbent that utilizes problematic protons in acidic wastewater to enhance the removal of radioactive cesium ions. The adsorbent, potassium calcium thiostannate, shows improved capacity under strongly acidic conditions.
A new study from Chalmers University of Technology reveals that the marine environment is at risk due to ship emissions, particularly from scrubber discharge water and antifouling paint. The cumulative environmental risk in ports was found to be five and thirteen times higher than acceptable limits.
Scientists have developed a novel mechanochemistry method that can manufacture chemicals without toxic solvent waste, reducing energy consumption and pollution. The technique uses organic chemistry and nanotechnology to push molecules together and create chemicals.
Dr. Vesna Najdanovic from Aston University won a $25,000 grant to develop greener analytical methods using ethyl lactate as a solvent for liquid chromatography. This environmentally friendly alternative reduces carbon footprint and pollution in the pharmaceutical industry.
Researchers found that the Southern cattail plant can scavenge up to 34 times more manganese from contaminated soil than other plants. The study suggests its potential for sustainable rehabilitation of areas affected by iron mine tailings, demonstrating its high efficiency in phytoremediation.
A University of Illinois study found tomatoes in Chicago backyard gardens have low levels of lead, making them relatively safe for consumption. However, improper soil handling and lack of washing can still pose health risks. Researchers recommend minimizing dust with heavy mulch and careful fruit washing to safely grow tomatoes.
A new study by Bigelow Laboratory confirms the effectiveness of chemical dispersants in breaking down oil in seawater under real-world conditions. The researchers found that dispersants were effective if applied within two to four days, a typical time frame for oil spill response.
Researchers at Ritsumeikan University in Japan have developed a new method to fabricate cadmium-free thin-film solar cells with improved energy conversion efficiency. The process replaces toxic materials with native buffer layers formed through air-annealing, reducing waste and increasing the potential for large-scale manufacturing.
Scientists have proposed a new two-step methodology to eliminate polychlorinated biphenyls (PCB) from the environment. The approach involves chemical functionalization, replacing chlorine atoms with hydroxyl groups, followed by thermal destruction at lower temperatures than traditional incineration methods.
Researchers at UBCO's School of Engineering have developed a new, faster method for analyzing toxic waste materials using fluorescence spectroscopy and convolutional neural networks. This method can detect key toxins such as naphthenic acids in oil sands samples, providing a low-cost alternative to current methods.
Rice University scientists have developed a method to extract rare earth elements from fly ash, bauxite residue, and electronic waste using flash Joule heating. This process improves yields and reduces the use of strong acids, making it a more sustainable solution for recycling these materials.
A new study from the University of Illinois reveals that nearly all soil samples in Chicago contain high levels of lead, with some areas reaching up to 3,000 ppm. The findings highlight the need for further monitoring and mitigation efforts to address environmental justice concerns.
The report reveals that electronic waste generated in the region rose by 50% between 2010 and 2019, with only 3.2% collected and safely managed. The regional e-waste total jumped from 1.7 Mt to 2.5 Mt, with Russia generating the most e-waste.
A new method uses carbon dioxide, water, and food-grade citric acid to extract rare-earth metals from coal ash without damaging the environment. This technique increases a national resource while making coal ash cleaner and less toxic.
Scientists have developed novel gas sensors with improved detection sensitivity and durability by combining organic and inorganic materials. The hybrid sensors boast high durability and high sensitivity, making them suitable for portable gas sensing applications.
Researchers collected over 300 samples from the seafloor to study biodiversity, mineral makeup, and ecological effects of toxic waste dumping. They discovered a new area of methane seepage and a whale fall, providing insights into the impact of human actions on deep-sea ecosystems.
A nationwide review of hazardous waste sites found that living near a Superfund site could decrease life expectancy by over two months. Those with lower incomes and sociodemographic disadvantage face the greatest risk, with decreases in life expectancy ranging from seven to 15 months.
A new process produces 'plastic' from marine microorganisms that completely recycle into organic waste, providing a biodegradable and non-toxic material. This innovation has the potential to revolutionize the world's efforts to clean the oceans without affecting arable land or using fresh water.
Future medications can be scaled up using electrochemistry, creating vicinal diamines without toxic waste. This process employs Earth-abundant manganese, offering a more sustainable alternative to traditional chemical synthesis methods.
The four empty lots in Chicago's South Side have poor-quality soils with high alkaline levels and excess chemicals, including lead and heavy metals. Soil testing is crucial to determine the extent of contamination and guide remediation efforts.
Researchers at the University of Utah have successfully created LEDs from food and beverage waste, reducing toxic waste and offering a cost-effective alternative. The development utilizes carbon dots made from discarded pieces of tortilla and soft drinks, eliminating concerns over toxic elements.
A study found that children living near toxic waste sites in lower and middle income countries have high blood lead levels, resulting in a loss of IQ points and higher incidence of mental retardation. The researchers estimated that 6 out of every 1,000 children could experience mild mental retardation.
A study by a Mount Sinai researcher found that toxic waste sites with high levels of lead and chromium cause a significant number of 'healthy years of life lost' among individuals living near the sites. The study calculated 828,722 lost years of full health due to disease, disability, or early death.
A new device called the in situ sampler (IS2) is being used to monitor waste in groundwater without generating significant amounts of hazardous waste. The IS2 boasts extremely low detection limits and produces no wastewater, making it a more cost-effective and environmentally friendly alternative to traditional methods.
A Duke University study identifies new monitoring protocols to accurately measure and predict ecological impacts of coal ash contaminants. The research found that arsenic levels remained high in pore water long after surface waters dropped below safe thresholds, posing significant risks to aquatic life.
The National Institute of Environmental Health Sciences (NIEHS) has awarded $36 million in grants to support worker safety training programs. These programs aim to reduce exposure to hazards during disaster response, cleanup, and chemical emergency responses.
Brookhaven scientists have developed a cost-effective method to remove mercury contamination from soil and industrial waste using In Situ Mercury Stabilization (ISMS). The technology involves treating mercury-contaminated materials with sulfur-based reagents, reducing environmental impact and making remediation more affordable.
LSU has been awarded a grant to establish a Superfund Research Center, exploring the health effects of toxic combustion products and their potential impact on public health. The center will investigate the role of combustion-related nanoparticles in determining their special properties and harmful effects.
A Dutch engineer suggests building pyramids from solidified waste to dispose of toxic industrial and domestic waste. This innovative system reduces the risk of toxic materials leaching into groundwater, providing a sustainable solution to waste management.
Rutgers engineers have developed a process to recycle waste latex paint by blending it with common plastics, resulting in materials that are as good as or superior to those made without paint. The technology has the potential to reduce disposal costs and environmental impact of waste paint products.