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Environmental and economic value of waste plastics

Environmental and economic value of waste plastics

The environmental economic value of recycled plastics is far greater than that of the original plastics.

In the field of renewable resources, there is a public announcement: Recycling 1 ton of waste plastics = saving 6 tons of oil, which does not include the large amount of water resources saved in the process of refining new materials. Generally, the inertia of plastics is relatively strong, which is not easy to be degraded in natural environment, which brings great burden and pressure to the ecological environment. It is an important way to change waste plastics into treasure, which is an important way to pollute the ecological environment. The economic value of recycled plastics is far greater than that of original plastics.

Take PVC and polyester as an example:

  1. Environmental and economic value brought by PVC recycling:

Collecting and mechanizing recycling of 1 ton of waste PVC will generate about 120 kg of carbon dioxide, which can be used directly in the product instead of raw materials. Environmental data from plastics Europe show that the production of a ton of pure PVC material from raw materials (salt and oil) will produce 1900 kg of carbon dioxide. In this way, the use of recycled materials will save 94% of carbon dioxide emissions than the use of pure raw materials.

  1. Recycled polyester has a great environmental advantage over the original polyester:

According to EPA, only one third of the original energy is needed to produce recycled polyester, 2/3 of sulfur dioxide and 50% nitrogen dioxide emissions are reduced, water consumption is reduced by 10 times, carbon emission is reduced by 2.5 times, and the other advantage is to avoid landfill of the same plastics.

The recycling and regeneration of plastics not only saves social resources, but also saves production costs.

Recycled plastics are worth more

Plastics are very good materials for recycling and reuse. All plastics can be used in fields where waste plastics can be used. In foreign countries, the use of recycled plastics is considered to be a kind of environmental protection behavior worthy of promotion and encouragement. We are willing to offer higher prices for such environmental protection products. Using recycled plastics can not only reduce plastic pollution, but also let us fulfill the responsibility of recycling.

Waste plastics are produced everywhere in life

The major sources of recycled plastics include plastic films (including plastic bags and agricultural films), plastic and woven fabrics, foam plastic products, plastic packaging boxes and containers, cable coating materials, daily plastic products, daily entertainment, health care, etc. Sheet and other plastic products are mainly used in plastic packaging. In addition, there are also some other plastic packaging products (such as plastic pallets), agricultural plastic products (such as agricultural plastic water-saving equipment), decorative decoration plastic products scrap rate is also high.

However, in recent years, the use of structural plastic materials such as plastic pipe fittings, abnormal profiles, reinforced seepage resistant geomaterials (including waterproof roll) has increased greatly in recent years, and the actual service life is long, and it is not yet a large number of scrap periods, so the waste volume of this part is not large.

According to the normal service life of household appliances, the average number of TV sets to be scrapped is more than 5million sets per year, the average number of washing machines is 5million sets per year, and the refrigerator is about 4million each year. Therefore, more than 15 million used appliances will be eliminated in China every year. In recent years, the update and replacement speed of electronic communication equipment such as computer, mobile phone, VCD, DVD, record and CD has accelerated, and the number of scrapped devices has increased sharply every year, which brings serious environmental problems.

Plastic is an important part of household appliances. The annual renewable plastic produced is at least 150000 tons. If the renewable plastic quantity of discarded electronic communication equipment is taken into account, the figure is about 200000 tons. The main components of these recycled plastics are polypropylene (PP), polystyrene (PS), PVC, ABS, etc., which has a great value of recycling; However, some thermosetting plastics, foamed polyurethane and glass fiber reinforced plastics are relatively difficult to recover.

It is one of the important links to dispose recycled plastics reasonably in the process of recycling waste household appliances. The plastic types of different household appliances products are different. The same products are different because of different manufacturers. Sometimes the additives, functional masterbatch or formula used by the same plastic types are different. This makes it difficult for the recycling of household electrical appliances plastics, and it is necessary to take seriously and strive to make effective recycling, Reduce environmental pressure and energy waste as much as possible.

The amount of plastic accessories for electronic and electrical appliances has reached more than 1 million tons, which is widely used in industrial supporting, information, transportation, aerospace and other fields, and the product is updated and replaced quickly. With the gradual entry of such products into a large number of scrap period, it has become an important source of waste plastics.

Recycled plastics are based on different forms of plastics which still have recycling value after their service life. Almost all thermoplastic plastics have recycling value.

Recycled plastics are produced in the process of synthetic resin production, in the production and processing of plastic products and semi-finished products, in the process of plastic logistics and after consumer use. Generally speaking, the plastic produced in the process of synthesis and processing is called pre consumption plastic; After circulation, consumption, use of the production of the production of the post consumer plastic. Before consumption, plastic production is small, quality is stable, and regeneration value is large. It is usually properly handled in the production process and can be reused completely. We refer to recycled plastics, which are recycled products that lose their use value after consumption, can be recycled. After recycling, concentration, classification, scientific and reasonable disposal, plastics can obtain recycling value and realize recycling.

Waste plastics industry, or the industrial chain, is closely related to all fields of the existing economic field, and it is interdependent, co-existence and relatively synchronous development.

The global recycling system is an inevitable part of the ecological chain of people’s daily and economic life. Destroying any link will touch or destroy the ecological balance and progress.

China, can not leave the waste plastic industry, also can not leave tens of thousands of people who still adhere to the waste plastic industry!

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