PET plastic packaging bottle is one of the most widely used plastic bottles, such as carbonated beverages, juices, medicines, food and many other fields. Due to the large market demand, when these materials are discarded, they also face many problems such as recycling and environmental pollution. So, how to deal with PET plastic packaging bottles after recycling?
PET plastic packaging bottle is a packaging that can be recycled, but it should not be used multiple times. In a high temperature environment, the stability of PET bottles will deteriorate and harmful substances will be released. Therefore, try not to use them for packaging of food, medicine and other products when they are reused. After recycling, these bottles are generally disposed of in the following ways:
Physical method:
One is to cut waste PET plastic bottles into pieces, separate HDPE, aluminum, paper and adhesive from PET, and then wash, dry and granulate the PET fragments; The impurities such as seat bottom and label are separated by mechanical method, and then washed, crushed and granulated. Recycled PET must not contain PVC impurities, otherwise it will affect the color of PET.
chemical method:
A method of depolymerizing waste pet plastic bottles under certain reaction conditions to generate useful chemicals, such as the production of low-grade fuel gasoline.
The PET treated by physical or chemical methods will be used to remanufacture into PET plastic bottles, and can also be used to make sleeping bags, pillows, car wheel covers, etc., to truly realize the recycling cycle of PET raw materials, and to reduce environmental pollution and resource waste. etc. are of great significance.