Articles tagged with Recycling
Scientists at Lund University have successfully developed a method to recycle cotton textiles into viscose fibers, a common component of clothing. The process involves treating old cotton with zinc chloride solution and then dissolving it in sodium hydroxide, producing high-quality viscose fibers.
A new electrolyte improves batteries in aerial electric vehicles, allowing them to be repurposed in less demanding applications. The study reveals that stressed-out batteries can still meet typical power demands, but require alternative battery technologies for high-power-demand applications.
Researchers have developed a low-tech method to collect rare-earth metals from spent fluorescent bulbs, mimicking lamp components with magnetic field-controlled chromatography. The process recovered 93% of the rare-earth phosphors, paving the way for practical recycling applications and sustainable technologies.
Rice University researchers have developed a new, energy-efficient process to upcycle glass fiber-reinforced plastic (GFRP) into silicon carbide, widely used in semiconductors and sandpaper. The method involves heating the mixture of GFRP and carbon to extremely high temperatures, transforming it into conductive silicon carbide.
A new study from Norway shows that only a third of fishing ropes can be recycled in a sustainable way. The researchers analyzed 15 types of rope and ranked them according to ease of recycling, highlighting the need for better waste management practices.
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.
Researchers at Shinshu University propose a new chemical process to depolymerize cyclic α-substituted styrene-based vinyl polymers, resulting in the recovery of monomer precursors. This efficient recycling system can facilitate effective resource circulation and development of new plastic recycling technologies.
Scientists created a new type of foam packaging from upcycled cardboard waste, which is stronger and more insulating than traditional plastic-based cushioning. The biodegradable foam has excellent thermal insulation, energy-absorbing properties, and outstanding cushioning capabilities.
A study by researchers from the University of Münster found that China will be able to meet its demand for primary lithium for electric vehicles through recycling as early as 2059, while Europe and the US will not achieve this until after 2070. Recycling is also expected to ensure China's need for cobalt by 2045 and nickel by 2046.
A recent study by Goethe University Frankfurt has identified a mechanism that could be a suitable starting point for developing novel drugs against leukemia cells. The researchers discovered that the mutated NPM1 gene variant drives pro-autophagic activity, enabling cancer cells to recycle their structures and meet their needs.
Researchers in Panama have created a novel insulation material using rice husk and cellulose, reducing plastic consumption and greenhouse gas emissions. The material has competitive thermal conductivity compared to natural and recycled insulation materials.
Researchers from ICIQ describe a circular process to recycle biobased polycarbonates, which can contribute to a more sustainable circular economy. The study uses a multi-task catalyst to promote depolymerization and repolymerization of the polymer.
Scientists at Lawrence Berkeley National Laboratory and JBEI developed a simple
Researchers developed a water-based emulsion adhesive that can be separated by acidic or alkaline water, making it ideal for recycling. The glue's reversible nature enables efficient detachment of labels from bottles, reducing waste sent to landfill.
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.
Scientists from Japan create a new, more efficient form of liquefied stabilized soil from construction waste that can fill narrow spaces and be pumped over long distances. The material has improved flowability and lower environmental impact, making it suitable for large-scale civil engineering projects.
Researchers have developed a plastic-eating E. coli that can efficiently turn polyethylene terephthalate (PET) waste into adipic acid, a feedstock for making nylon materials and other products. The engineered microbes converted up to 79% of PET waste into adipic acid, offering a potential solution to the global plastic waste problem.
NTU Singapore has expanded its research collaborations with French partners to push the boundaries of science. The university has inked six new partnerships and renewed existing collaborations across various fields, including quantum physics, nuclear energy, and sustainability.
Researchers from BSC and CSIC have developed an artificial protein capable of degrading PET micro- and nanoplastics with efficiency between 5 and 10 times higher than current PETases. The protein can be used as filters to purify or recycle plastics, offering a potential solution to environmental pollution.
Researchers at Chalmers University of Technology have developed a new method for recycling metals from spent electric car batteries using oxalic acid. The method allows for the recovery of 100% of aluminum and 98% of lithium, minimizing waste and utilizing an environmentally friendly ingredient.
Producing new plastic via advanced recycling of post-use plastic reduces GHG emissions by 18-23% and fossil energy use by 65-70%. The study analyzed 2017-2021 data from eight companies and found a further 40-50% reduction when factoring in current end-of-life practices.
Researchers at Rice University have developed a high-yield, low-cost method for reclaiming metals directly from mixed battery waste. The new process uses the 'flash' technique to separate critical metals, reducing energy and acid consumption by up to 100-fold and lowering carbon dioxide emissions.
A new Northwestern Medicine study reveals that a dysfunction in the neuron's synapses leads to deficits in dopamine and precedes neurodegeneration in Parkinson's disease. The findings suggest targeting dysfunctional synapses before neurons degenerate may represent a better therapeutic strategy.
The UK fashion and textile industry is set for a significant boost with a £6 million investment in sustainability research. The initiative aims to help the sector adopt more sustainable practices, reducing its environmental footprint and greenhouse gas emissions.
A new recycling method reduces emissions by 60% and opens the door to reusing materials like plastic film, multilayer materials, and colored plastics. The technique recovers olefins from pyrolysis oil and uses them in a chemical process to convert into aldehydes and industrial alcohols.
A £1.75m project led by Professor Chenyu Du aims to develop new processes for recovering polyester and cellulose from mixed cotton and polyester fibres. The goal is to create a roadmap towards net-zero for the textiles industry, reducing plastic waste and increasing recycling rates.
A team of researchers at the University of Florida has developed a new method for recycling plastics that promises to reduce energy requirements without sacrificing quality. This breakthrough approach uses chemical recycling and depolymerization, which can produce recycled plastic with similar or better properties than the original mat...
A breakthrough solution has been discovered to recycle blended fabrics like polyester/cotton using a simple technique involving heat, non-toxic solvent, and household ingredient. This environmentally friendly approach can recover cotton on a scale of hundreds of grams while preserving the plastic component.
Scientists at the University of Surrey have developed a new degradable adhesive that can dissolve adhesive residue left on recyclable materials, improving recycling processes and product quality. The additive, similar to commercial packaging tape, allows for faster label detachment and reduces environmental impact.
Researchers at the University of Colorado Boulder have developed a new way to recycle polyethylene terephthalate (PET) plastic using electricity and chemical reactions. In small-scale lab experiments, PET was broken down into its basic building blocks, which can be recovered and potentially reused to make new plastic bottles.
A new study emphasizes the need for a more precise definition of circularity beyond metrics and indicators. The researchers propose a product-centric circularity scorecard that captures aspects of a product's environmental sustainability, focusing on production, use, and end-of-life.
A new camera technology developed by Aarhus University and Newtec Engineering A/S aims to make it easier to recycle plastic materials. The technology uses hyperspectral imaging to analyze the chemical composition of plastic waste, allowing for the removal of unwanted additives that may be banned or harmful.
A new study suggests that curbside recycling can compensate for greenhouse gas emissions from landfills, providing a return on investment similar to or better than electric vehicles. The authors recommend restructuring programs to target high-value materials and implementing policies to relieve cost burdens on local governments.
Researchers found that disposable diaper waste can replace up to 8% of sand in concrete and mortar used to build a single-story house, reducing construction costs. The study suggests using this unconventional material for low-cost housing in low- and middle-income countries.
Researchers suggest sharing smaller, lightweight EVs to manage resource use in EV batteries. They found that reducing material supply risks requires systemic approaches and investments in new battery technologies.
A new study by University of Waterloo researchers found that Canadian electronic waste (e-waste) has more than tripled in the last two decades, generating close to a million tons in 2020. E-waste generation per person has increased from 8.3 kg to 25.3 kg between 2000 and 2020.
Researchers in Brazil and UK develop process to recycle plastic from used coffee pods into conductive and non-conductive filaments. The filaments have various applications, including sensors and machinery parts.
Researchers from The University of Tokyo have created a machine that can recharge N95 respirators and surgical masks to 97% efficiency. By applying a uniform voltage distribution, the device restores the mask's electrostatic charge, increasing its effectiveness.
Researchers at Colorado State University have created a new chemical strategy to deliver universal dynamic crosslinkers into mixed plastic streams, transforming them into viable new polymers that can be turned into higher-value materials. The method makes post-consumer plastics usable as a new kind of material with useful properties.
Researchers have developed a new type of organic battery that uses redox-organic electrode materials (OEMs) synthesized from natural materials. The battery features high capacity, scalability, and recyclability, making it a promising sustainable alternative to traditional lithium-ion batteries.
Researchers at Duke University have produced the world's first fully recyclable printed electronics that replace hazardous chemicals with water in the fabrication process. The demonstration points to a path towards reducing environmental footprint and human health risks in the electronics industry.
Max Planck scientists explore the possibilities of artificial intelligence in materials science, discussing how combining physics-based modeling with AI can unlock complex material designs. The research focuses on overcoming limitations of traditional methods and handling sparse, noisy data.
The latest issue of PLOS Biology features a special collection on biology-based solutions to reduce plastic pollution, carbon dioxide emissions, and produce food or energy more sustainably. Insect enzymes may degrade plastic waste, while photosynthetic algae can capture CO2 produced by industrial applications.
Researchers at Shinshu University have developed a closed-loop recycling process for polymers using microparticles, resulting in fully recyclable films with high mechanical stability and fracture energy. The strategy enables the reuse of polymer materials, reducing plastic waste and environmental pollution.
A comprehensive product stewardship scheme has been proposed to address the environmental impact of solar panel disposal in Australia. The plan includes recycling steps, serial numbers for tracking, and legislation to ensure environmentally friendly disposal.
North Carolina State University researchers have found a way to separate blended cotton and polyester fabric using enzymes, which could lead to more efficient recycling of the fabric's component materials. The process requires multiple steps, but can effectively separate cotton from polyester in under 48 hours.
A new method developed by scientists at Argonne National Laboratory and Cornell University converts used HDPE into a fully recyclable and potentially biodegradable material. The approach uses catalysts to break polymer chains, making the material easier to decompose.
A new study suggests that a sustainable plastics economy is possible by increasing recycling rates to 74% and using innovative production methods, such as carbon capture and utilization. This would require a fundamental shift in the way plastics are produced, consumed, and disposed of.
Researchers have developed a novel process that converts plastic waste into liquid gasoline-like fuel at low temperatures, eliminating unwanted byproducts. The innovative method uses alkylation catalysts and combines cracking and reaction steps in a single vessel, making it more efficient and cost-effective.
A team of researchers from the University of Pittsburgh and University of Georgia is leading a $749,997 NSF Convergence project to collect and analyze data in Pittsburgh and Georgia to build a more circular economy. They will use the Circularity Assessment Protocol (CAP) to examine material usage and management at community levels.
Scientists at Rice University have developed a new technique using the 'flash Joule' method to transform plastic waste into high-value carbon nanotubes and hybrid nanomaterials. This process is more energy-efficient and environmentally friendly than traditional methods, making it a promising solution for recycling plastic waste.
Researchers produced biogas from apple pomace, reducing greenhouse gas emissions and generating electricity and heat. The bioenergy recovery can supply 19% of the anaerobic reactor's energy needs, contributing to public policy and cutting fossil fuel consumption.
Researchers decipher metabolic mechanisms of Comamonas testosteroni to digest complex carbons, enabling potential for biotechnology platforms that recycle plastic waste. The study reveals a novel approach to upcycle plastic waste into industrially relevant polymers.
A team of researchers developed an efficient strategy to recycle lead from discarded car batteries, creating a new market for recycled lead in high-tech equipment. The resulting photodetectors show excellent stability and fast response speeds, with potential applications in optical communication, chemical analysis, and imaging.
A new framework identifies barriers and context-specific measures for plastic use and disposal, guiding policymakers in selecting effective intervention measures. The framework has been tested in Kyoto City, revealing potential desirable behavioral changes, critical barriers, and corresponding intervention measures.
Researchers have developed a new method for recycling high-density polyethylene (HDPE) into fully recyclable and biodegradable material. The approach uses catalysts to cleave polymer chains, reducing carbon emissions and pollution associated with HDPE.
Scientists have created a new polyester material that combines mechanical stability with high biodegradability, making it an attractive alternative to traditional plastics. The innovative material, called polyester-2,18, was shown to degrade in lab experiments and pass industrial composting standards.
A new recycling process has been developed to convert Nylon-6 into ε-Caprolactam with over 95% selectivity and 90% yield, eliminating the need for solvents or toxic chemicals. This breakthrough offers a promising solution for managing plastic waste.
A new study from the University of Portsmouth explores how to improve sustainable disposal of electronic waste. Researchers found that using metaphorical language, such as comparing battery pollution to Olympic swimming pools, increased recycling rates among consumers.
A WVU engineer has developed a technology that can treat urine on site rather than at a centralized wastewater treatment facility, allowing for the recovery of nitrogen as a valuable fertilizer. The approach enables quick treatment and promotes the reduction of nutrient discharge into lakes and rivers.