Articles tagged with Waste Management
A new study published in Biochar shows that the temperature used to produce biochar plays a decisive role in controlling nitrogen losses during food waste digestate composting. Hardwood biochar made at 400 °C reduced total nitrogen loss by 46.3% compared with composting without biochar, outperforming biochars made at 300 °C and 800 °C.
A recent study found that recycling mulch film can produce high-quality materials, but proper cleaning is crucial to remove contaminants. Researchers evaluated films from four states and discovered significant differences in soil contamination and structural characteristics across regions.
The University of Manchester is developing new technologies to recover valuable materials from hard-to-recycle waste, including disposable vapes and cars. The project aims to break down these materials at a molecular level and recover valuable components that can be reused.
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.
Researchers at the University of Houston have developed an AI-driven framework to extract and analyze historical flood insurance maps, uncovering significant changes in flood hazard areas. The study reveals that flood risks have expanded in two areas and reduced in one, with critical consequences for resilience and exposure.
A new report by the UN University finds that critical minerals extraction is causing severe environmental and health crises in vulnerable communities, while benefits accumulate mainly in wealthy nations. The investigation highlights intense water requirements, contaminated water, lost livelihoods and serious health consequences.
Process water from hydrothermal carbonization contains substantial amounts of nutrients and organic compounds, making it a nutrient-rich resource for crop production and environmental management. Diluting the liquid or using pre-treatment methods can reduce risks associated with its use.
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...
Researchers discovered that carefully selecting the temperature used to produce biochar can optimize both environmental performance and compost quality. Biochar produced at a moderate temperature achieved the optimal balance between ammonium adsorption and microbial nitrification, resulting in a 46.3% reduction in total nitrogen loss.
Researchers at Rice University have developed a new method to recover nearly all critical minerals from spent lithium-ion batteries, including metals like lithium and graphite. The process uses microwave-induced plasma treatment with room-temperature solvents, resulting in high recovery rates and minimal environmental impact.
Researchers found that black soldier fly larvae can break down RNA viruses in organic waste, reducing potential risks. The larvae's frass still contained some active viruses, highlighting the need for additional treatment.
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%.
Researchers explore how METs convert organic waste into electricity, fuels, fertilizers, and usable water. Pilot deployments demonstrate its potential to reclaim energy from 359 billion cubic meters of wastewater annually.
Emerging microbially-powered technologies can convert up to 35% of wastewater's chemical energy into electricity and extract valuable nutrients. This approach could power agriculture, global sanitation and its own treatment, while reducing pollution and overcoming regulatory obstacles.
Researchers developed a machine learning-guided strategy to design advanced biochar materials that remove phosphorus efficiently while lowering treatment costs. The study provides a practical pathway for restoring eutrophic waters at large scale.
Researchers at Jeonbuk National University have developed a new Prussian-blue based electrode that can effectively remove cesium from water. The electrode, made by combining Prussian blue with chemically treated carbon cloth, demonstrates high capacity for cesium adsorption and excellent reusability.
The University of Tennessee and UCOR have strengthened their partnership to provide training and educational opportunities for students and workforce development in nuclear and criticality safety. The MOU renewal will include projects, research, and curriculum focused on these areas.
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.
A groundbreaking field-based research study from Nankai University found the average carbon emission of dismantling a single unit of E-waste increased from 1.2513 kgCO2 to 1.3335 kgCO2 between 2013 and 2020, highlighting the urgent need for more efficient recycling technologies.
Researchers developed a low-cost, eco-friendly sensor using biochar from sewage treatment plant sludge to detect trace levels of trimethoprim in water and pharmaceutical samples. The device offers a sustainable way to monitor antibiotic pollution.
A team of researchers from Chonnam National University explores how boosting consumer trust can increase adoption of second-life EV battery tech. They found that transparent safety inspections and tailored messaging can improve adoption outcomes.
The University of Birmingham has launched a new facility for separating and recycling rare earth magnets, reducing the UK's reliance on imports. The facility uses an innovative hydrogen-based process that can recover over 400kg of rare earth alloy per batch.
Researchers found elevated levels of lead, arsenic, copper, cadmium, and antimony in metal recycling workers' blood and urine, highlighting the need for better cleaning practices and respiratory protection. The study's results emphasize the importance of monitoring rare earth metals and implementing measures to reduce workplace exposure.
Researchers at University of East London found that discarded seashells can be transformed into a low-carbon concrete ingredient, reducing carbon emissions by up to 36%. The study suggests a promising opportunity for industry to adopt sustainable cement alternatives.
The article proposes a circular economy approach to reduce waste, increase durability, and repurpose spacecraft and satellites. Data analysis and digital technologies will be essential for developing sustainable practices.
Researchers at Kaunas University of Technology have developed a new way to turn textile waste into energy and high-performance cement materials. The production of alternative fuel from textile waste can reduce CO2 emissions during cement production, while also providing an innovative approach to textile waste management.
Researchers at Vienna University of Technology have developed a novel, non-toxic method to recycle mixed-fiber textiles, utilizing a deep eutectic solvent to separate and recover cotton and polyester components. The process achieves near-complete recycling with minimal damage to materials.
The Kansas Flood Mapping Dashboard uses stream gauge data and terrain-based models to generate flood inundation maps, providing critical information for emergency management. The dashboard is a result of collaborative research efforts between KU researchers and state agencies, utilizing science and research for the benefit of the state.
Approximately 1 in 30 clinical trials were disrupted due to grant funding terminations, disproportionately affecting infectious disease and prevention studies. The study emphasizes the need for sustainable financial support to ensure trial operations and participant safety.
A new review highlights the potential of iron-enhanced biochar to capture pollutants, catalyze chemical reactions, and stabilize nutrients in soil and water systems. The material's unique features include high surface charge, improved porosity, and accelerated advanced oxidation processes.
The research partnership aims to develop stronger aluminum alloys for high-performance applications. Three projects focus on reducing iron impurities through electrical or chemical approaches.
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 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.
A machine learning approach enhances the treatment of livestock manure, predicting phosphorus distribution and recovery. The process converts biowaste into hydrochar and a nutrient-rich liquid, reducing environmental pollution and supporting sustainable agriculture.
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.
Researchers developed a new behavioral model for waste separation, incorporating external factors and demographic variables. The Theory of Planned Behavior + External influences + Heterogeneity (TPB + E + H) framework increases explanatory power and provides a flexible platform for policy-level interventions.
MIT researchers developed a sustainable electrolyte that quickly breaks down when submerged in organic solvents, allowing for easy recycling of components. The new material could revolutionize the battery industry by simplifying the recycling process and reducing electronic waste.
A new UConn study finds that composting programs can reduce organic waste in landfills by 30% per household per week. However, the cost of implementing and maintaining these programs is often too high, making them unfeasible for many municipalities.
The Georgia Tech researchers created a material inspired by seashells to improve the recycling of plastics, reducing variability in mechanical properties and maintaining performance. The new approach has potential savings of hundreds of millions of dollars and could keep more plastic out of landfills.
Researchers at Texas A&M University have developed a smart plastic that can self-heal and adapt to extreme conditions, making it ideal for aerospace and automotive applications. The material's unique properties allow it to restore its shape after deformation, improve vehicle safety, and reduce environmental waste.
Researchers at University of California - Santa Barbara develop a new filter that can extract rare earth elements from end-of-life products like electronic waste. The technique combines solid-state extraction with precision chemistry to create a simple and environmentally attractive process, increasing the concentration of REEs fourfold.
Researchers highlight the potential of solvent-based recycling and AI-assisted sorting to recycle complex plastics. However, the study emphasizes that replacing fossil-based plastics with biobased alternatives poses significant challenges, requiring comprehensive approaches and life cycle assessments.
A team at Binghamton University has developed a process to convert food waste into biodegradable plastic, reducing greenhouse gas emissions and offering a sustainable alternative. The process utilizes bacteria to synthesize polyhydroxyalkanoate (PHA) plastic, which can be harvested and shaped into various products.
A new study estimates US vacation renters waste $2.3 billion worth of food each year due to grocery and leftovers going uneaten. The average nightly rental fee comes with a 5.1% surcharge for wasted food, equivalent to an additional lodging tax.
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.
Researchers detected nanoplastic particles smaller than 1 µm in all depths analysed across the 12 measurement sites, with PET, PS, and PVC being the most common types. The study estimates around 27 million tonnes of nanoplastic are stored in the uppermost water layer of the North Atlantic.
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.
A new study by Colorado State University outlines a path to creating advanced, recyclable plastics using natural poly(3-hydroxybutyrate) (P3HB). The breakthrough method involves stereodivergent catalysis, which enables the production of enantiopure PHAs with improved properties for various applications.
A new study found that recycled polyethylene plastic can leach chemicals into water, causing impacts on zebrafish larvae's hormone systems and lipid metabolism. The researchers highlight the need to address toxic chemicals in plastics across their life cycle.
A new study found that people recycle 47% more bottles when offered a lottery-style refund, rather than the traditional 10-cent deposit return. This approach increases the thrill of possibly winning a big prize, making recycling more enjoyable and motivating.
Researchers at University of South Australia develop a new material using water treatment sludge and blast-furnace slag, showing over 50% stronger compressive strength and resistance to acid degradation. The discovery has the potential to extend service life of sewage pipes, reduce maintenance costs, and promote circular economy.
A new material has been developed by Virginia Tech researchers that can be recycled, reconfigured, and self-healed after damage. The material, called vitrimer circuit boards, offers a more sustainable alternative to traditional electronic composites.
Researchers developed VR Co-Lab to ease confusion while training employees digitally for disassembling recyclables without damaging materials. The program provides feedback on task completion time and mistake rates.
Researchers highlight biodegradable plastics as a promising solution to single-use plastic waste, with the packaging segment accounting for half of single-use plastic production. The market is expected to reach $105 billion by 2024, driven by consumer awareness and corporate response.
Researchers develop sustainable passive cooling solution using mycelium-bound composites, outperforming conventional insulation materials in tropical climates. The 'fungi tiles' mimic an elephant's ability to regulate heat from its skin, improving cooling rates and thermal conductivity.
The study finds hydrothermal liquefaction effective in breaking down complex organic compounds, producing high-energy density bio-oil and reducing pollutants like microplastics and pharmaceutical residues. Further research is needed to optimize HTL processes and explore alternative catalysts and solvents to enhance efficiency and reduc...
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.
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.
Research by University of Missouri researchers uncovers microplastic pollution generated by polymer-coated fertilizers, threatening human and animal health. The study suggests biodegradable alternatives and effective stormwater management to mitigate the risks associated with PC-CRFs.