Chloe Zhang
Plastic recycling is an essential part of waste management and environmental preservation initiatives. It helps minimize the environmental impact of plastic manufacturing, conserve energy, and reduce the need for new raw materials. However, a recent study by the University of Gothenburg has revealed that recycled plastics may contain hazardous substances, including pharmaceuticals and pesticides, which complicates their reuse, disposal, and recycling process. This study raises concerns about the safety of recycled plastics and brings into question the least recycled type of plastic. With various types of plastics available, understanding which plastic is the least recycled can help inform efforts to improve recycling rates and reduce environmental impact.
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What You'll Learn
Hazardous chemicals in recycled plastics
Plastic pollution is a global issue, with plastics now found in every environment on Earth, from the deepest seas to the atmosphere and human bodies. Scientific evidence on the harm caused by plastics to the environment and humans is growing. To address this, the United Nations has resolved to negotiate a legally binding instrument to end plastic pollution.
While many chemicals added to plastics are useful and safe, some are of high concern. These chemicals are added to change and improve the performance of plastics, making them more flexible, heat-resistant, or durable in sunlight. However, some chemicals do not easily break down, persisting in the environment for long periods. Certain chemicals are toxic and can accumulate to high levels in animals.
A study found 191 pesticides, 107 pharmaceuticals, and 81 industrial compounds, among other substances, in recycled plastic pellets. These chemicals may render the plastics unsafe for reuse and unsuitable for specific applications. The presence of hazardous chemicals in recycled plastics underlines the importance of chemical simplification in the plastics industry. By reducing the number and toxicity of chemicals used, manufacturers can minimize adverse health and environmental impacts and improve recycling efficiency and cost-effectiveness.
To promote sustainability and safety, it is crucial to regulate the allowable concentration of hazardous chemicals in plastic products. Currently, only 1% of plastics chemicals are subject to international regulation in existing multilateral environmental agreements. National and regional policies play a role in managing hazardous chemicals in specific plastic products, but transparent reporting and monitoring of chemicals across the plastics value chain remain inadequately addressed.
To ensure the safe and environmentally sound management of chemicals in plastics, initiatives like the Australian Government's Industrial Chemicals Environmental Management Standard (IChEMS) have been established. This standard aims to help industries and governments mitigate the environmental risks associated with chemicals in plastics. Additionally, the European Union has introduced legislation mandating increased recycled plastic content in single-use plastic beverage bottles, reflecting their commitment to a more circular and eco-friendly economy.
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EU legislation for recycled plastic bottles
As part of its ongoing efforts to address environmental issues and promote sustainability, the European Union has introduced new legislation for recycled plastic bottles. This legislation, known as Commission Implementing Decision (EU) 2023/2683, came into effect on December 1, 2023, and sets ambitious targets for increasing the recycled plastic content in single-use plastic beverage bottles, specifically targeting PET bottles.
The key goal of the EU legislation is to significantly boost the recycled plastic content in these bottles. By 2025, it mandates that PET bottles must contain a minimum of 25% recycled plastic. This target will be expanded to all beverage bottles by 2030, requiring them to include at least 30% recycled plastic. The inclusion of labels and sleeves in calculating the recycled content is crucial, as these components are often made of plastic and play a significant role in branding and advertising.
To ensure compliance and accuracy, Member States are required to report data on the recycled plastic content in beverage bottles. This includes detailing the total weight of plastic parts and the specific amount of recycled plastic used. Economic operators, such as recyclers and converters, must provide declarations of compliance, specifying the percentage of recycled plastic in each batch of material intended for food contact. These declarations are vital for transparency and accountability in the manufacturing process.
The EU legislation establishes a comprehensive reporting chain, with Member States responsible for collecting and verifying data from economic operators. Annual reports, along with quality check reports, must be submitted to demonstrate compliance with the set targets. This rigorous process aims to prevent greenwashing and ensure that only genuinely recycled materials are counted toward the targets, aligning with the EU's goal to reduce the environmental impact of plastic products.
The EU's approach to recycled plastic bottles is a significant step toward a more circular and eco-friendly economy. By setting clear targets and implementing stringent reporting requirements, the legislation promotes the use of recycled materials and encourages sustainability in the production and consumption of single-use plastic beverage bottles. With these measures in place, the EU is taking concrete action to address the environmental challenges posed by plastic waste and foster a more sustainable future.
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Kao Taiwan's recycled plastic use
Plastic recycling is an important issue, with the EU setting targets for recycled plastic content in beverage bottles, aiming for at least 25% recycled plastic by 2025 and 30% by 2030. Kao Taiwan has been actively contributing to the reduction of plastic waste and the promotion of sustainability.
Kao Taiwan has been working to realize a resource-circulating society and reduce plastic waste. Since 2016, they have introduced products made with 100% recycled polyethylene terephthalate (PET). This includes bottles for 17 products from brands like Feather Shampoo, Essential, Bioré Prime Body, and Men's Bioré. In 2021, Kao Taiwan used over 100 tons of recycled plastic, a 10% increase from 2020, resulting in a reduction of approximately 200 tons of CO2 emissions.
Kao Taiwan has set an ambitious target of using at least 25% recycled plastic by 2025, which is expected to further reduce CO2 emissions by at least 1,000 tons annually. To achieve this, they are implementing strategies such as minimizing product labeling, utilizing solar power, and developing a sustainable supply chain.
Kao Taiwan is committed to the Kao Group's ESG strategy, the Kirei Lifestyle Plan, demonstrating their concern for the environment throughout the product lifecycle. They are also participating in a plastic recycling platform promoted by Taiwan's Environmental Protection Administration (EPA) to minimize the negative impact of CO2 emissions and climate change.
Additionally, Kao has launched initiatives like the "`Raku-raku Switch," which reduces plastic use by around 50% compared to traditional pump bottles. They are also engaged in a plastic recycling project in collaboration with the Tokyo Metropolitan Government, aiming to establish a system that recycles packaging into similar products. Kao's RecyCreation initiative further showcases their commitment to resource recycling and developing sustainable raw materials for their plastic packaging.
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GPPS recycling technology
General Purpose Polystyrene (GPPS) is a recyclable material with a wide range of applications, from disposable cups and toys to IT equipment and medical products. Its recycling process not only reduces plastic waste but also conserves resources by decreasing the demand for virgin plastic production.
The recycling process for GPPS involves several steps. Firstly, plastic waste is collected and sorted. It is then washed and shredded into small pieces. Afterward, the shredded plastic is melted and reformed into new products. The recycled GPPS is commonly processed into pellets or granules, which can be used to create various items such as decorative items, stationery, and picture frames. These pellets are not only beneficial for manufacturing new products but also serve as a raw material for other plastic production processes.
One company that specializes in GPPS recycling is GRM Polymer, which stands for Green Recycled and Modified Polymer Co. Ltd. They recycle plastic garbage and convert it into reprocessed GPPS plastic pellets, providing cheaper raw materials for new inventions and startups. Their work contributes to a greener environment and offers a solution to the problem of non-biodegradable plastic accumulation.
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Reducing plastic waste
Plastic pollution is a pressing issue, with millions of tons of plastic debris floating in the ocean, endangering marine life and human health. To reduce plastic waste, individuals can make small but impactful changes in their daily lives. Firstly, single-use plastics should be avoided as much as possible. This includes items such as grocery bags, plastic wrap, disposable cutlery, straws, and coffee cup lids. Instead, opt for reusable alternatives like tote bags, water bottles, and travel mugs. Buying products in bulk and choosing items with minimal or non-plastic packaging can also reduce waste. Additionally, individuals can reuse or repurpose plastic items, such as containers, and purchase second-hand goods to extend the lifespan of plastic products.
Another way to reduce plastic waste is to support and advocate for sustainable practices and policies. Individuals can urge local officials to introduce or support legislation that discourages the use of plastic bags and promotes eco-friendly alternatives. Supporting companies that use recycled materials in their products, such as those mandated by the European Union for single-use plastic beverage bottles, is also beneficial. These small changes can have a significant collective impact on reducing plastic waste.
Recycling is an important aspect of waste reduction. Individuals can educate themselves on proper recycling practices, as some plastics cannot be recycled through community programs. Plastic bags, wrap, and film, for example, require special recycling processes. Individuals can contact their local grocery stores or organizations like Earth911 to find the nearest location that recycles these items. Additionally, it is important to separate compostable plastics from non-recyclable waste to avoid contaminating the recycling stream. Checking with local recycling programs or contacting waste management companies can help individuals properly dispose of compostable plastics.
To further promote recycling, individuals can organize recycling drives in their communities or schools. Collecting accepted containers, such as bottles, and taking them to local recycling centers or charities can help ensure that these materials are properly recycled. Additionally, individuals can reduce their reliance on cars, as car tires are a significant source of microplastics. Opting for alternative modes of transportation or carpooling can help decrease the amount of microplastic pollution.
Lastly, individuals can be mindful of the products they use and their impact on the environment. Synthetic fibers in clothing, such as nylon, acrylic, and polyester, release microplastics during washing and drying. Choosing natural fiber clothing and air-drying synthetic fabrics can reduce microplastic pollution. Similarly, single-use items like plastic bath loofahs can be replaced with natural alternatives like loofah plants. These simple swaps can significantly reduce an individual's plastic waste.
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Frequently asked questions
It is hard to say which type of plastic is the least recycled as it varies by region and recycling infrastructure. However, it is known that certain plastics are more commonly recycled than others due to their widespread use and ease of recycling. For example, PET plastic, often used in beverage bottles, is one of the most commonly recycled plastics.
The recyclability of a plastic depends on a variety of factors, including its chemical composition, the availability of recycling infrastructure, and the demand for recycled materials. Some plastics, like PET, are widely used and have established recycling streams, making them more likely to be recycled.
The European Union has introduced legislation that mandates significant increases in the recycled plastic content of single-use plastic beverage bottles, including PET bottles. By 2025, PET bottles must contain at least 25% recycled plastic, and by 2030, all beverage bottles must have at least 30% recycled plastic content.
Recycling plastics is a complex process due to the presence of hazardous chemicals and impurities. More than 13,000 chemicals are used in plastics, with 25% classified as hazardous. These chemicals can contaminate plastics at various stages of their lifecycle, resulting in recycled materials containing unknown substances. Additionally, the success of plastic recycling depends on public participation and the development of markets for recycled materials.
