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What are the best known practices for establishing a sustainable plastic recycling Programs in developing cities? 


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The best practices for establishing sustainable plastic recycling programs in developing cities involve a combination of strategies. These include the introduction of biodegradable polymers and recycling post-consumer waste plastics to reduce environmental impact . Extended Producer Responsibility (EPR) initiatives, non-profit EPR, door-to-door collection systems, and deposit refund schemes (DRS) have been successful in enhancing plastic waste collection and recycling in some countries, promoting waste minimization and recycling adoption . Developing a tripartite approach involving governments, firms, and consumers is crucial for sustainable plastic waste management in developing nations, aligning with the United Nations' Sustainable Development Goal 11 . Additionally, community recycling programs, such as those seen in Brazil, can be implemented to address municipal solid waste issues and urban poverty, providing socio-economic and environmental benefits . Efforts to enhance existing informal waste treatment systems with efficient sorting and composting solutions can also significantly improve plastic recycling in low-income countries .

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Best practices include non-profit EPR, door-to-door collection, and deposit refund schemes. Key areas for success are standardization, infrastructure investment, partnership models, and producing higher-value recycled materials.
Establishing efficient sorting and composting solutions within existing informal waste systems, like in Mina, Lebanon, can create sustainable plastic recycling programs in developing cities, enhancing urban spaces and reducing environmental impact.
Developing communal recycling programs, similar to successful initiatives in Brazil, can empower waste pickers and address urban poverty while managing municipal solid waste sustainably in developing cities like Tshwane.
The paper suggests a tri-party approach involving governments, firms, and consumers to establish sustainable plastic waste management programs in developing cities, emphasizing coordinated policies and behavior transformation.
The best practices for sustainable plastic recycling in developing cities include introducing biodegradable polymers and recycling post-consumer waste plastics to reduce environmental impact and energy consumption.

Related Questions

What are the current methods being used for the recycling of plastics globally?5 answersCurrently, globally, various methods are employed for the recycling of plastics. Mechanical recycling is a prevalent ecological method involving stages like collection, sorting, washing, and granulation. Chemical recycling offers an alternative, utilizing processes like depolymerization via solvolysis and pyrolysis to convert plastic polymer wastes into useful monomer products. Additionally, advanced technologies such as electron beam treatment followed by electrostatic separation enable the production of recycled polymers with high purity at cost-effective rates. Degradation methods like pyrolysis, biological degradation, and chemical processes are also significant in plastic recycling efforts, contributing to the circular economy concept. These diverse approaches aim to address the challenges posed by plastic waste accumulation and promote sustainability in packaging materials.
What are the current sustainability practices being implemented in the plastic industry?5 answersCurrent sustainability practices in the plastic industry include the adoption of biodegradable polymers and increased recycling efforts to reduce environmental impact. Extended Producer Responsibility (EPR) initiatives, non-profit EPR, door-to-door collection systems, and Deposit Refund Schemes (DRS) are being implemented to enhance plastic waste collection and recycling, promoting waste minimization and circularity. The establishment of a Circular Economy (CE) for plastics aims to reduce material losses and dependence on virgin materials, with strategies like increasing recycling rates and integrating chemical recycling technologies to reduce greenhouse gas emissions and solid waste generation. To address the plastic crisis, stakeholders are collaborating, with initiatives focusing on supply chain sustainability, including utilizing Blockchain technology for sourcing recycled plastics and trading materials in a circular economy framework.
Is informal plastic recycling safe in developing countries?5 answersInformal plastic recycling in developing countries poses risks to human health and the environment due to potential exposure to hazardous substances. While mechanical reprocessing is deemed the least impactful method under non-ideal conditions, chemical recycling processes are considered risky due to handling hazardous substances and lack of real-world data. The lack of infrastructure and standards in the Global South increases the likelihood of high-risk processes being conducted below safe operation levels. However, informal plastic recycling provides a rapid and cost-effective solution to plastic pollution, benefiting livelihoods and the environment if interventions focus on reducing barriers to collection, improving revenue, and enhancing material quality. Therefore, while informal plastic recycling offers benefits, caution is warranted to mitigate associated risks in developing countries.
How do informal waste pickers contribute to the management of plastic waste in developing countries?5 answersInformal waste pickers play a crucial role in managing plastic waste in developing countries by collecting, segregating, and selling recyclable materials. They are estimated to collect around 50 kg of recyclable material per day, with plastic and paper constituting a significant portion of their income. Additionally, waste pickers reintroduce valuable solid waste, including plastics, back into the production chain, contributing to the city's sustainability. Despite their essential environmental contributions, waste pickers often face marginalization and precarious conditions, with challenges such as competition for recyclable materials and gender disparities in income generation. Recognizing their significance, policies are being proposed to compensate waste pickers for their services, highlighting the need for formal acknowledgment and support for their vital role in plastic waste management.
What are the environmental impacts of producing sustainable concrete using plastic waste?5 answersThe environmental impacts of producing sustainable concrete using plastic waste include reducing carbon emissions and energy consumption, as well as minimizing the depletion of natural resources. The utilization of plastic waste as a partial replacement for natural aggregates in concrete can improve workability but may negatively affect the fresh density and mechanical properties of the concrete. However, the addition of silica fume with plastic aggregates can result in denser concrete and improved mechanical properties. The use of plastic waste in concrete can also enhance sound and thermal insulation, making it a suitable material for non-structural applications. Furthermore, incorporating plastic aggregates in concrete can reduce water absorption and chloride ion permeability, contributing to the durability of the concrete. Overall, the use of plastic waste in concrete production offers a potential solution to global environmental issues and promotes the development of eco-friendlier concrete.
How can plastic waste be disposed of in a sustainable manner?3 answersPlastic waste can be disposed of in a sustainable manner through various methods. One approach is the gasification of plastic waste, which involves partially oxidizing the feedstock to safely dispose of it while also obtaining syngas with high chemical potential. Another method is the biological degradation of plastics using microorganisms such as bacteria and fungi, which has shown promise in breaking down plastic waste. Chemical recycling is another option, where post-consumer plastics are degraded into their constituent monomers and repolymerized into pristine polymers. Additionally, innovative efforts have been made to divert plastic waste into useful applications, such as recycling plastic bottles into raw materials for engineering, building construction, horticulture, and even 3D printing. These approaches aim to address the environmental impact of plastic waste and promote a more sustainable and efficient environment.

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