Articles tagged with Recycling
A new open-source tool called SwolfPy helps solid waste systems achieve environmental goals by assessing various options in one place. The tool identifies the range of best possible options for users, depending on their priorities.
Researchers at West Virginia University have created a simple microwave catalytic process to upcycle single-use plastics into high-value benzene, toluene, and xylene. This technology aims to increase the recycling rate of plastic waste and reduce greenhouse gas emissions by providing an alternative source of petrochemical materials.
Researchers explore circular economy approaches to improve battery recycling efficiency and purities of raw materials. A promising approach is 'Design for Recycling', which aims to standardize screw connections and design materials for automated disassembly and reduced solvent use.
A new study reveals that circular waste management systems can effectively reduce emissions of greenhouse gases and air pollutants, with the potential to eliminate open burning of waste by 2050. The researchers estimate that this could account for almost a quarter of global methane emissions.
Researchers at Aarhus University have developed a new camera technology that can separate plastics based on their chemical composition. The technology uses hyperspectral cameras and machine learning to identify 12 types of plastics, including PE, PP, PET, and others, making it possible for more accurate recycling.
Researchers detected emerging synthetic antioxidants in e-waste recycling dust, including hindered phenol and sulfur antioxidants. The study highlights the need for further research on their environmental behaviors and toxicities.
Researchers at NTU Singapore have developed a new use for e-waste plastics by repurposing them as an alternative to laboratory cell culture containers. The team found that over 95% of human stem cells seeded on e-waste plastics remained healthy after a week, comparable to cells grown on conventional plates.
Researchers have successfully degraded synthetic polyisoprene using enzyme LCPK30, a breakthrough that could enable recycling of car tires and production of new plastics. The method involves creating an emulsion with the polymer, allowing the enzyme to break down long molecular chains into smaller fragments.
A comprehensive assessment of polyurethane in the US reveals complexities that affect its recovery and recycling. The study highlights opportunities to enhance circularity and increase bio-based content of polyurethanes.
A University at Buffalo study found that a specific messaging strategy in PSAs increased recycling intention among New Yorkers who struggle with proper recycling. The research used the theory of planned behavior to develop an effective video, targeting those who feel uncertain about their own recycling abilities.
Researchers found that a battery's chemistry can affect its environmental impact, with cobalt being a common material that requires more energy to mine and has negative effects on the environment. Replacing cobalt with nickel can alleviate concerns, but there are tradeoffs involved. The study suggests that reusing batteries before recy...
Scientists at Tokyo Institute of Technology have developed an environmentally friendly process to chemically recycle bio-based plastics into fertilizers. The process, which uses ammonia to break down the plastics, produces nitrogen-rich molecules that can be used as fertilizer, showing promising results in plant growth experiments.
Researchers at RMIT University have developed a clean and cost-effective way to upcycle used plastic into high-value products such as carbon nanotubes and clean liquid fuel. The two-step process converts organic waste into charcoal, which is then used as a catalyst to upcycle the plastic.
A new recycling system has been developed to decompose epoxy resins in an aqueous solution of glutathione, allowing for the recovery of recyclable materials. The system shows promise for promoting the reuse of carbon fiber reinforced plastics (CFRP) and reducing environmental pollution.
A new framework from Cornell University's Fengqi You and Xiang Zhao provides a comprehensive analysis of the environmental impacts of plastic waste chemical recycling. The framework quantifies climate change and human toxicity, offering insights into optimal technologies and market dynamics.
Researchers at North Carolina State University demonstrated a low-cost technique for recycling nanowires from electronic devices. The method involves dissolving the polymer matrix containing the nanowire network and separating the nanowires using ultrasound, allowing for their reuse in new devices. After four life cycles, the nanowires...
Researchers at Flinders University have developed a new sustainable insulation material using waste cooking oil, sulfur, and wool offcuts, offering promising energy savings for property owners and tenants. The composite boasts low flammability and biodegradable properties, aligning with the UN's Sustainable Development Goals.
A University of Michigan-led study finds that urine diversion and recycling can significantly reduce greenhouse gas emissions, energy use, freshwater consumption, and the potential for algal blooms. The method also has lower environmental impacts than conventional wastewater treatment and fertilizer production methods.
A new study finds that electronic waste generated by Americans has been declining since 2015, mainly due to the decrease of bulky CRT displays. This decline poses challenges for e-waste recycling regulations and the recovery of critical elements like cobalt and indium.
Researchers studied the use of plastic in nest construction by leaf-cutter bees and found it could change the environment of their nests. They suggest using natural fibers instead to avoid harmful effects on the insects.
A study from the University of Michigan challenges the notion that plastic packaging is the primary environmental concern, instead revealing that product content often has a greater impact. The research emphasizes the importance of reducing overall consumption and waste management.
Industry is shifting towards chemical recycling as a solution to tackle the problem of plastics, breaking down them into their building blocks. The process has environmental benefits but also raises concerns about reducing plastic consumption and increasing disposable packaging production.
A recent study led by ASU researcher Chris Wharton found that a values-based intervention can reduce household food waste by an average of 28%. The intervention used clear plastic bins to track food waste and highlighted the impact of cost, health, and environmental concerns. Participants reported that watching their waste build up pro...
A new study found that European countries are exporting large amounts of plastic waste to Asia, where it is often not recycled and ends up in the ocean. The research estimated that between 1-7% of all exported European polyethylene ended up in the ocean, contributing to significant environmental and social impacts.
Researchers at Shinshu University have created a method to blend different types of thermoplastic materials without compromising their quality. By using a compatibilizer, they successfully melted various plastics together, paving the way for more efficient recycling and reducing plastic waste in the environment.
Researchers have created a chemical recycling process that breaks down real consumer plastics into a new product, a biodegradable solvent called methyl lactate. The method has been tested on various types of bioplastics and shown to produce high quantities of the green solvent, regardless of sample characteristics.
Scientists at the University of Bath have developed a new chemical recycling method that can break down plant-based plastics like PLA into their constituent molecules. This technology has the potential to create a circular economy by reusing carbon indefinitely, reducing reliance on fossil fuels and greenhouse gas emissions.
The study, conducted by the University of Córdoba, demonstrates the feasibility of using recycled demolition waste to build roads. The results show that recycled aggregates from mixed materials and concrete foundations performed better than natural aggregates in terms of surface properties and mechanical development.
A new study by the University of Exeter found that people who live in areas with more natural exposure are more likely to engage in environmentally friendly behaviors. Urban greening initiatives could play a key role in reducing carbon emissions and promoting sustainability.
The review highlights the need for improved waste management solutions to handle growing numbers of retired electric vehicle batteries. Recycling methods are being improved to make processes more economically efficient, minimizing environmental impacts.
A new study highlights the need for governments and industry to act now to develop a robust recycling infrastructure for end-of-life lithium ion batteries. The UK has an enormous opportunity to address this issue, with analysis suggesting eight gigafactories are needed by 2040 to service demand for recycled materials.
Researchers surveyed consumers in the mid-Atlantic region to investigate wine preferences, recycling attitudes, and behaviors. The study found that about 85% of participants were willing to bring empty wine bottles to a winery for recycling. Wineries can attract younger customers by offering sustainable practices, such as recycling and...
A study by Penn State researchers found that when consumers are reminded of the products that their recyclables can be turned into, they are more likely to recycle. The team conducted a series of studies where participants were shown advertisements featuring product transformation, and results showed a significant increase in recycling...
A Rutgers-led team has created a new way to unprint paper using pulses of intense xenon light, eliminating the need for conventional recycling. This method can erase multiple toner colors without damaging the paper, reducing energy costs and pollution.
US National Parks produce a staggering 100 million pounds of trash each year, with managers seeking ways to divert recyclable materials and reduce overall waste. Key findings from recent research include the importance of moral norms and perceived difficulty in influencing visitor behavior.
Researchers from Penn State University and Boston College found that promoting recyclable waste transformation increases recycling rates. Consumers who saw product transformation messages recycled up to 87.7% of their waste, compared to 19% for those without such messages.
Researchers at Kumamoto University have developed a novel e-waste recycling method using pulsed power, which successfully separates metal from plastic in CD-ROMs. The technique uses high-voltage electrical discharges to break down materials, resulting in efficient separation and minimal environmental impact.
Researchers have developed a method using near infrared hyperspectral imaging and chemometrics to sort different types of plastic and those with varying flame retardants. This technique enables efficient recycling of plastics, reducing the amount dumped into the environment.
The University of Texas at Arlington has developed a modular, multi-step water treatment system that can transform unconventional oil and gas waste into reusable water. The system requires multiple treatment modalities to remove contaminants, making it difficult to accomplish effectively and economically.
A new study has revealed extensive lead contamination at recycling plants in seven African countries, with levels up to 48,000 ppm. The contamination poses significant health risks to nearby communities and children, highlighting the need for stricter regulations and emissions control measures.
Researchers from the University of Houston and IBM report emerging technologies that can increase plastic recycling rates, including chemical recycling methods and compatibilization of mixed plastic wastes. The goal is to improve efficiency and reduce energy costs, paving the way for more easily recyclable materials.
A recent study at the University of Missouri found that collegiate sports venues can significantly reduce waste by implementing better recycling systems, donating unsold food to charities, and replacing high-emission foods with more sustainable options. By adopting these strategies, stadiums can achieve 'zero waste' operations and set ...
Researchers developed a low-cost, environmentally friendly way to create rewritable printed materials using tungsten oxide and polyvinyl pyrrolidone. The material can be reused up to 40 times before quality declines, offering a potential solution to reducing paper waste.
Researchers at Kyung Hee University propose a model to recycle lithium ion batteries into energy storage units for solar-powered LED lamps, reducing e-waste and providing job opportunities. The system can light up a room for about five hours each day, lasting approximately three years without maintenance.
A UBC study reveals that individuals with an hourly wage mindset are less likely to undertake eco-friendly behaviors that require only a few seconds or minutes of extra effort. Researchers recommend equating environmental behavior with self-interest and adjusting billing practices to promote sustainability.
Researchers at Uppsala University have developed a new battery concept using renewable biomaterials from alfalfa and pine resin, which can be recycled with low energy input and non-hazardous chemicals. The battery proved capable of delivering up to 99% of the energy output from a spent battery.
India's population of 1.3 billion will generate over 900 million notebook computers past their life expectancy by 2025, highlighting the need for effective e-waste recycling infrastructure. The study estimates that over a billion PCs will be obsolete by 2020, posing significant risks to human health and the environment.
A new study by the American Chemical Society found that state e-waste recycling bans have been largely ineffective in reducing electronic waste disposal. However, providing more information to women and older people could increase the effectiveness of these bans and recycling programs.
A new study reveals that targeted messages based on political orientation can significantly influence consumers' recycling intentions. Consumers who identify as liberals respond better to appeals focused on fairness and reducing harm, while conservatives are more likely to recycle when appeals emphasize group membership or authority. T...
The recycling of discarded consumer goods can make a big contribution to efficient management of non-renewable raw materials. A new international process is being launched to develop quality and sustainability standards for secondary raw materials, focusing on three main areas: improving basic data and support for pilot projects.
The ecoATM system uses AI to evaluate devices, determine market value and offer recycling options. Three-fourths of collected phones find new homes, while rare earth elements are reclaimed and toxic components are recycled.
A study reveals that most electronic waste in Spain is uncontrolled, with only 2.55 kg out of 13.86 kg collected and processed correctly under the Integrated Waste Management System (SIG). The majority of manufacturers are not registered in the system, leading to significant payment evasion.
A new method for recycling perlite developed by Louisiana State University researcher Hanna Y. Hanna can save tomato growers a significant amount of money without reducing crop yield. The method, which uses hot water treatment and minimal labor input, reduces recycling cost by up to 50%.
A study published in Atmospheric Environment found toxic elements in e-waste recycling emissions in southern China, posing health risks to workers and the environment. The research team identified carcinogens and persistent organic pollutants through mass spectrometry and other instrumentation.
Primitive recycling processes used in developing countries contaminate air, water, and soil with pollutants like dioxins and toxic cyanide. Alternative solutions, such as paying recyclers not to recycle or promoting repair and reuse, are proposed to address the growing e-waste problem.
Experts advocate standardizing recycling technologies and government policies worldwide to extend product life, recover valuable metals, and reduce CO2 emissions. The initiative could transform millions of old devices into functional units, reducing e-waste and promoting sustainable consumption.
Researchers developed a method for assessing wind turbine removal and recycling, considering future impacts up to 2050. The study aims to reduce negative effects of wind power by adopting an interactive approach.
A molecular recycling plant has been found in the brain that enables nerve cells to record new experiences and maintain memories over time. This process involves the constant movement of receptors around synapses, which are then recycled and returned intact.
The CRADA team, comprising Argonne National Laboratory, USCAR and the Plastics Division of the American Chemistry Council, has been awarded the Plastics Recycling and Sustainability Award. The team's work focuses on mechanical recycling technologies and chemical conversion of end-of-life vehicle materials to fuels and chemicals.
A Dartmouth study found that better transportation decisions, such as driving fuel-efficient cars, could save more energy than recycling plastic and aluminum. Researchers used life-cycle analysis to measure the environmental benefits of different activities.