Views: 7 Author: Site Editor Publish Time: 2023-02-10 Origin: Site
The establishment of circular economic model has reached a broad consensus in the world. As part of humanity's move towards a circular economy, it is positive to establish a reliable and safe chemical recycling system. Guided by global commitments by oil and plastic users and the recent landmark UN Treaty on Plastic Pollution, countries are looking for ways to develop a circular economy for plastics. This means that compared with before, the production, consumption, recycling and treatment of waste plastics will adopt different methods and ideas. We can evolve the current model of waste plastic generation and use into something more innovative. This respects both humans and the planet. The challenge is enormous, and only through cooperation can humanity address pressing environmental issues, including plastic. Shared commitment is essential.
Under the considering, the Plastic Waste Action Coalition (PWCoA) recently published a document proposing some guiding principles to support the development of chemical recycling and providing a clear set of boundaries for the use and scale of the technology.
"Chemical Recycling in the Circular Economy of Plastics" highlights six key principles for its responsible, ethical, safe and environmentally sound development, these principles relate to:
1. Sources of raw materials: The sources of materials used for chemical recycling do not include materials that have been practically used and have been physically recycled on a large scale.
2. Traceability: Accurately track recycled content using a reliable mass balance protocol.
3. Production process: maximize the use of chemical recycling to produce plastics, and minimize the output of non-recycled products such as fuel.
4. Environmental impact: In comparable systems, the life cycle climate impact of chemically recycled PCR plastics can be reliably demonstrated to be lower than that of virgin plastics.
5. Effective claims: Claims for chemical recycling should be credible and transparent.
6. Health and Safety: Discharge pollution from chemical recycling processes must be safely managed.
The market and demand for chemical recycling is huge and has great potential for development. A number of agencies are proactively launching initiatives and forming joint partnerships with consumer product manufacturers and retailers to drive awareness and action on the role of chemical recycling. Planning for the future development of the New Global Resource Order should send a strong signal to the public and private sectors, including investors, that chemical recycling should receive appropriate funding and an appropriate regulatory framework to scale up.
The global plastic problem is complex and there is no silver bullet. It will require policy makers, businesses and consumers themselves to come up with a range of different solutions. For difficult-to-recycle plastics, we must build a recycling industry that meets targets for all packaging types, with a focus on reducing reliance on plastic and improving packaging design. But chemical recycling plays a unique role in the circular economy where plastic packaging cannot be eliminated, reused or recycled using other methods. At present, the technology related to chemical recycling has entered the lane of rapid development. Compared with previous incineration, the advantages of chemical recycling on the environment and resources are becoming more and more obvious. We believe in the future of chemical recycling leading to a world where no plastic enters nature.
China used to be the main destination and processing plant for the world's plastic waste, and the vast demand and market provided room for technological development. After years of development, many waste treatment technologies and applications have reached the global advanced level. With China's restrictions on the import of solid waste, these advanced technologies have begun to be promoted globally, and good results have been achieved in technology sharing worldwide. The industrial continuous waste plastic pyrolysis technology developed by Niutech is one of the advanced technologies for chemical recycling of waste plastics. It has been verified by more than 20 countries and projects around the world, and has achieved good ecological and environmental effects.
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