what isthe traditional method to dispose the plastic
Answers
Explanation:
Plastic recycling is the process of recovering scrap or waste plastic and reprocessing the material into useful products. Since the majority of plastic is non-biodegradable, recycling is a part of global efforts to reduce plastic in the waste stream, especially the approximately 8 million metric tonnes of waste plastic that enters the Earth's ocean every year.[1][2]
Compared with lucrative recycling of metal, and similar to the low value of glass recycling, plastic polymers recycling is often more challenging because of low density and low value. There are also numerous technical hurdles to overcome when recycling plastic. Materials recovery facilities are responsible for sorting and processing plastics. As of 2019, due to limitations in their economic viability, these facilities have struggled to make a meaningful contribution to the plastic supply chain.[3]
When different types of plastics are melted together, they tend to phase-separate, like oil and water, and set in these layers. The phase boundaries cause structural weakness in the resulting material, meaning that polymer blends are useful in only limited applications. The two most widely manufactured plastics, polypropylene and polyethylene, behave this way, which limits their utility for recycling. Each time plastic is recycled, additional virgin materials must be added to help improve the integrity of the material. So, even recycled plastic has new plastic material added in. The same piece of plastic can only be recycled about 2–3 times before its quality decreases to the point where it can no longer be used.[4]
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Most plastics are made from oil and most plastics do not biodegrade, which makes it difficult to dispose of. There are no natural processes in place that can absorb non biodegradable plastic back into the biological cycle. It cannot be composted or left to rot where it is dropped or dumped like organic rubbish.
Waste Disposal Practices. There are eight major groups of waste management methods, each of them divided into numerous categories. Those groups include source reduction and reuse, animal feeding, recycling, composting, fermentation, landfills, incineration and land application.
The best way to dispose of compostable plastics is to send them to an industrial or commercial composting facility where they'll break down with the right mixture of heat, microbes, and time. If this type of composting facility isn't available in your area, the only other option is to throw them in the trash.
Waste treatment methods can be divided into mechanical recycling, chemical recycling, and energy recovery. Landfilling is considered the least preferred option. In fact, several European countries have banned plastic waste going to landfills.
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