Waste Disposal
Articles tagged with Waste Disposal
Recycled rare earth magnets reach key milestone in EU-funded HARMONY project
The HARMONY project has achieved a significant milestone by processing recycled neodymium-iron-boron powder into functional magnet components. The process enables the production of high-quality magnets using industrially relevant methods, reducing dependence on primary raw materials.
Apple by‑products could power vehicles and feed livestock
A new study transforms apple pomace into valuable bioethanol and animal feed ingredients through SHF and SSF. The research highlights the potential of agro-industrial waste as a renewable energy source and nutritious food supplement.
Why doesn’t the US recycle more plastic? New study points to lack of access
A new study by the University at Buffalo reveals that unequal access to recycling facilities plays a key role in shaping plastic waste management practices in the US. Wealthier and more college-educated communities are more likely to have convenient access to large-scale industrial recycling facilities, making recycling easier and more...
Recycling jumps when garbage collection drops, new Concordia research shows
A new Concordia study reveals that UK household recycling rates are influenced by factors such as garbage collection frequency, education, and population density. The research found that districts with less frequent garbage collection and convenient recycling systems had higher recycling rates, with median levels of around 61%.
The giant fire tornado that could save our oceans
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.
Almost half of the world’s aquatic environments are severely contaminated by waste
A recent study analyzing 6,049 contamination records revealed that 46% of the world's aquatic environments are classified as 'dirty' or 'extremely dirty'. The most critical contamination cases are found in mangroves, with plastics and cigarette butts accounting for nearly 80% of the waste.
New approach to plastic recycling: Worcester Polytechnic Institute Chemical Engineering researchers co-author study
Researchers at Worcester Polytechnic Institute have developed a new technology for plastic recycling that uses aqueous chemi-mechanical recycling to blend, decolorize, and purify mixed polyolefins. This approach reduces energy consumption and eliminates toxic chemicals compared to existing methods.
Plastic pollution is worsened by warming climate and must be stemmed, researchers warn
A new review highlights how climate change intensifies the impact of plastic pollution, affecting ecosystems and potentially disproportionately impacting apex predators. The study urges eliminating non-essential single-use plastics, creating international standards for reusable and recyclable plastics.
What should countries do with their nuclear waste?
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...
UBC researchers discover microbes turning food waste into energy
Researchers have identified a previously unknown bacterium in the Natronincolaceae family that plays a crucial role in converting organic waste into renewable natural gas. The newly discovered microbe tolerates high ammonia levels, allowing it to thrive in systems where other methane producers would fail.
Critical raw materials are a vital new currency; Europe’s e-waste is the vault
Critical raw materials are projected to grow from 1 million tonnes in 2022 to between 1.2 and 1.9 million tonnes by 2050. Europe can recover more of these essential materials by improving collection, design, and recycling of waste electrical and electronic equipment.
Old solar panels can power new future
Researchers have identified key barriers to safely extending the life of solar panels and decreasing waste. One major challenge is the low cost of new panels undercutting the resale market for used systems.
Cardboard and earth reshape sustainable construction
Engineers at RMIT University have developed cardboard-confined rammed earth, a novel building material that uses locally sourced materials and reduces waste going to landfill. The material boasts one quarter of the carbon footprint of concrete and can be made on-site using cardboard formwork.
New electrical flash method rapidly purifies red mud into strong ceramics, aluminum feedstock
A team of researchers at Rice University has developed a faster and cleaner method for recovering aluminum from bauxite residue, or red mud, by using a brief electrical pulse and chlorine gas. The process, called flash Joule heating, selectively vaporizes toxic metals while retaining almost all the aluminum.
Health experts’ 8 recommendations for the UN Plastics Treaty
Health experts urge the UN to strengthen the treaty's focus on ending plastic production and reducing toxic chemicals. The World Health Organization estimates that one-quarter of global deaths are linked to environmental harm, including chemicals, pollution, and waste.
University of Houston engineer creates a possible replacement for plastic
A University of Houston engineer has developed a method to create strong and eco-friendly materials from bacterial cellulose, which could replace plastic in various industries. The new material has high tensile strength flexibility, foldability, optical transparency, and long-term mechanical stability.
UN University: five deep changes urgently needed for a sustainable world and how to achieve them
The UN University's new report emphasizes the need for deep systemic changes to address climate change, biodiversity loss, and pollution. It introduces the Theory of Deep Change, which identifies structures and assumptions that perpetuate these challenges, and highlights five areas where urgent transformation is needed.
Profit-driven policies on waste are fuelling global inequality, says professor
A professor argues that profit-driven policies on waste are exacerbating global inequalities, blaming consumers while industry produces more waste. The book 'Waste: The Basics' calls for responsible consumption and production, regulatory incentives, and national regulations to hold industry accountable for product waste and contamination.
New frontiers in recycling waste vegetable oil: A research project for the circular economy
A research project from Politecnico di Milano proposes a novel method to recycle used vegetable oil into valuable resources like bio-lubricants and air purification devices. The project optimizes waste treatment processes while reducing waste and promoting European independence in critical raw material supply.
Study highlights how population density and location shape litter levels facing UK communities
A study of over 97 citizen scientists found that coastal areas have significantly more litter than inland locations, with urban areas consistently exhibiting more litter than rural areas. The research highlights the need for tailored waste management strategies to address regional differences in litter patterns.
Converting CO2 into fuel – with the help of battery waste
Researchers at TU Wien have developed a process to recover nickel from spent batteries and convert it into a nanocatalyst that reduces CO2 into valuable methane. This innovation has the potential to reduce waste and provide a sustainable fuel source.
Birds breathe in dangerous plastics—and so do we
A new University of Texas at Arlington study reveals high concentrations of microplastics in bird lungs, with average particles per species and gram of lung tissue measured. The study highlights the urgent need to address plastic pollution and its far-reaching impacts on ecosystem health and human health.
From waste to wonder: Revolutionary green grout for sustainable construction practices
A novel carbon-neutral grout, CSRGF, has been developed by recycling waste fluids from geothermal energy harvesting plants, addressing environmental challenges in traditional grouting methods. The new material shows remarkable performance, with a 50% increase in liquefaction resistance and superior water-sealing properties.
Mighty marine fungi degrade plastic, can train to do it faster
Researchers discovered that many marine fungi isolated from Hawai'i's nearshore environment have the ability to degrade plastic. The team then conditioned these fungi to consume polyurethane and other types of plastics more efficiently. By studying their adaptability, scientists hope to develop new solutions for cleaning up oceans.
Taal volcanic ash can be used for radiation shielding, Filipino researchers find
Filipino researchers have discovered that Taal volcanic ash can be used as a sustainable and lightweight alternative to expensive materials like concrete and lead. The natural presence of iron-rich minerals in the ash gives it strong radiation attenuation properties, making it effective for shielding against harmful X-rays and gamma rays.
Polymer research shows potential replacement for common superglues with a reusable and biodegradable alternative
Researchers at Colorado State University have developed a stronger, biodegradable adhesive polymer that can replace common superglues. The new polymer, made from P3HB, offers tunable adhesion strength and is biodegradable under various conditions.
Sustainable reusable theatre caps made from plant-based material created for NHS Scotland
A new sustainable theatre cap design has been developed in collaboration with NHS Scotland to address single-use disposable waste. The reusable caps, made from cellulosic fibre, aim to relieve patient anxiety through fabric colours and patterns, while improving staff identification.
New filter captures and recycles aluminum from manufacturing waste
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.
New research improves predictions for solid waste management
A new method predicts the makeup of municipal solid waste with unprecedented detail, allowing waste managers to forecast specific materials and plan accordingly. This improvement enables more efficient recycling and landfill operations, making sustainable waste management a practical reality.
Trash to treasure: Leveraging industrial waste to store energy
Researchers at Northwestern University have developed an efficient storage agent for sustainable energy solutions using triphenylphosphine oxide (TPPO), a well-known chemical byproduct. The team's 'one-pot' reaction method enables the transformation of TPPO into a usable product with powerful potential to store energy.
New method turns e-waste to gold
Researchers at Cornell University developed a method to extract gold from e-waste using vinyl-linked covalent organic frameworks (VCOFs), capturing 99.9% of the precious metal while minimizing other metals. This approach converts CO2 into useful chemicals, reducing waste disposal demands and providing environmental benefits.
How the freezer factors into lowering food waste
A new study from Ohio State University finds that freezing food can lead to less waste, with households that practice home freezing exhibiting lower levels of total food waste. The study also highlights the importance of proper food storage techniques and education on reducing food waste, particularly among consumers.
Chungnam National University researchers develop an edible biofilm for extending fruit shelf life
Scientists create a natural polysaccharide-based edible coating that replaces synthetic packaging, extending shelf life while reducing global food waste. The biofilm shows improved mechanical strength, antioxidant properties, and antibacterial activity, making it an eco-friendly solution to address food waste issues.
Microplastics in the air may be leading to lung and colon cancers
A review of 3,000 studies suggests microplastics in the air may cause serious health problems, including colon cancer, poor lung function, and infertility. The tiny plastic particles are believed to contribute to chronic pulmonary inflammation, increasing the risk of lung cancer.
Waste oil to wonder material: Transforming trash into supercapacitor gold
Researchers at Zhejiang University developed a method to transform waste oil into high-performance carbon materials for supercapacitors. The approach produces nitrogen-doped hierarchical porous carbons with enhanced conductivity and electrochemical performance.
Modeling and analysis reveals technological, environmental challenges to increasing water recovery from desalination
A new analysis reveals that zero liquid discharge (ZLD) technologies can increase water recovery from desalination while reducing waste, but at increased costs and energy consumption. The process poses tradeoffs between fighting future water scarcity and environmental effects.
Strategy to reduce the amount of propofol waste in the operating room
A study published in the British Journal of Anaesthesia found that using a single syringe pump for induction and maintenance of anesthesia reduces propofol waste by 30-50%. This eco-friendly approach can also save hospitals money by reducing the number of propofol vials needed. The researchers analyzed data from over 300 surgeries and ...
Uncollected waste and open burning leading causes of the plastic pollution crisis
A new study from the University of Leeds reveals that uncollected waste and open burning of plastic waste are major contributors to the plastic pollution crisis. The research estimates that 52 million tonnes of plastic products entered the environment in 2020, with over two-thirds of it coming from uncollected rubbish.
Finding pearls in the mud: eco-friendly tungsten recovery from semiconductor waste
Researchers at Pohang University of Science & Technology have unveiled an eco-friendly method to extract rare metals from semiconductor waste, recovering precious tungsten and assessing its economic viability. The bioleaching process, using a fungus to dissolve metals, is found to be 7% cheaper than traditional methods.
Plastic waste can now be converted to electronic devices
A team of researchers has successfully converted Styrofoam into a high-value conducting polymer known as PEDOT:PSS, which can be used in functional electronic devices. The study demonstrates how upgraded plastic waste can be incorporated into devices such as silicon-based hybrid solar cells and organic electrochemical transistors.
How to increase the rate of plastics recycling
A nationwide bottle deposit program could significantly increase the rate of plastics recycling in the US, from 24% to 82%, according to MIT researchers. With the right policies in place, including sufficient demand for recycled material, PET bottles can be safely made into new products with high quality and minimal processing.
Drowning in waste: Pollution hotspots in aquatic environments
A recent study identifies areas at risk of waste leakage into aquatic environments, highlighting the need for improved waste management systems and universal waste collection. The research also emphasizes the importance of circular waste management systems to reduce pollution in these ecosystems.
Trash-sorting robot mimics complex human sense of touch
A trash-sorting robot has been developed that can recognize and classify objects using tactile information and machine learning algorithms. The robot achieved a classification accuracy of 98.85% in recognizing diverse garbage objects not encountered previously.
Palm oil by-product transforms into PVC thermal stabilizer: A breakthrough in recycling and sustainability
Researchers have developed a method to synthesize an organotin mercaptide-based thermal stabilizer from palm fatty acid distillate, offering a competitive alternative to existing PVC stabilizers. The synthesized material demonstrates superior thermal stability at lower dosages and is economically viable.
Study suggests ‘biodegradable’ teabags don’t readily deteriorate in the environment and can adversely affect terrestrial species
A new study found that biodegradable teabags made from polylactic acid (PLA) can take years to break down in soil and cause harm to earthworms. The research highlights the need for clear disposal information on product packaging, as many manufacturers are not providing accurate guidance.
UTA chemist developing method to recycle more plastics
A UTA chemist has developed a new method to separate and recycle mixed plastics using supercritical fluid chromatography. The technique can differentiate oils created from various plastics, holding promise for improving recycling rates and reducing reliance on fossil fuels.
Escape the vapes: scientists call for global shift to curb consumer use of disposable technologies
Disposable vape sales quadrupled in the UK between 2022 and 2023, contributing to e-waste accumulation. The technology contains valuable resources like lithium, but recycling is often difficult due to lack of clear instructions. Experts call for urgent reform of disposable electronics practices to protect the environment.
Data-driven workflow doubles carbon capture performance of engineered biochar
Researchers have developed an active learning strategy to accelerate the synthesis of high-performance engineered biochar with enhanced CO2 uptake. The approach nearly doubled CO2 capture performance, showcasing its transformative impact.
How to make the chips produced in the cutting process useful?
Researchers from Tsinghua University propose a novel process to convert cutting chips into unique microstructures, transforming waste into valuable materials. The finding has potential applications in enhanced heat transfer, anti-icing, and antibacterial properties.
Mining the treasures locked away in produced water
Researchers have discovered that produced water, often considered waste, contains nearly every element in the periodic table, including critical minerals like lithium and platinum group metals. A new approach using CO2 desalination can extract these valuable minerals, making it a lucrative means of offsetting reclamation costs.
Improving soil health with aeration curing for sludge management
Researchers developed an innovative method to manage construction-generated sludge by utilizing aeration curing, which reduces pH levels and requires less neutralizer. The technique has the potential to improve soil health and support sustainable development goals.
Turning plastic trash into chemistry treasure
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.
New methods for improving water management to develop sustainable cities
Researchers from Xi'an Jiaotong-Liverpool University developed a system to assess water quality challenges in Suzhou, China. The study found that the city's water capacity has increased since 2001 due to effective water management measures.
Revolutionary idea by Lithuanian scientists: recycling cigarette waste to produce green fuel
Researchers at Kaunas University of Technology develop method to treat cigarette butts using pyrolysis, producing oil, char, and gas with real applications in fertilizers, wastewater treatment, energy storage, and biofuels. The process reduces biodiesel production costs by adding triacetin-rich oil as an additive.
Flexing the lifespan of electronic devices
A team of researchers from Northwestern University and the University of Pittsburgh has received a $600K NSF Award to explore novel learning-enabled cyber-physical systems (LE-CPSs) for building flexibility into hardware. This could lead to extended device lifespan, reduced e-waste, and improved sustainability.
Scientists caution against a reliance on mechanical devices to clear water bodies of plastic
A team of international scientists cautions that reliance on mechanical cleanup devices to address plastic pollution is ineffective and may even harm marine life. They argue that reducing plastic production and consumption is the most cost-effective way to prevent further pollution.
NTU Singapore and ETH Zurich scientists convert waste chicken feathers into the heart of clean fuel cells
Researchers from NTU Singapore and ETH Zurich have developed a clean and sustainable material to build zero-waste fuel cells using chicken feathers. The membrane, made from protein amyloid fibrils, conducts protons and reduces carbon emissions from burning unwanted chicken feathers.
A cellulose-based thickener to reduce environmental risks of liquefied stabilized soil
Researchers at Shibaura Institute of Technology developed a cellulose-based thickener to reduce environmental risks associated with liquefied stabilized soil. The thickener prevents bleeding, loss of fine particles, and unwanted settling, while maintaining soil strength.
Parks on historic trash incinerator sites could have lead hotspots, study shows
Researchers found elevated soil lead levels in city parks that previously housed garbage incinerators and waste ash, with some levels exceeding EPA's threshold. The study provides insights into potential lead exposures for park visitors.