Use Of Waste Plastic Bottles

Pet plastic bottles are not only widely used in packaging carbonated beverages, drinking water, fruit juice, enzymes and tea drinks, etc., is the largest use of today's beverage packaging, and widely used in food, chemicals, pharmaceutical packaging and other fields. But when these materials are abandoned, faced with how to deal with the problem. PET plastic bottle recycling can not only solve environmental problems, but also can be used as a new raw material resources to alleviate the contradiction between China's lack of PET raw materials. Yes, look back at China's 30 years of reform and opening up, although China has made remarkable achievements in the economic field, but also to the Chinese environment has brought a very serious damage. Water pollution, air pollution, solid waste pollution and so on. To China's economy has brought shrinking. People are gradually aware of this problem, the corresponding proposed to take the road of sustainable development, green GDP strategy, circular economy strategy, and so a series of measures. It can be seen, PET plastic bottle recycling in line with China's real problems facing, for environmental protection, conservation of resources, sustainable development have great benefits. PET plastic bottle physical recovery treatment method is relatively simple, mainly to clean the PET plastic bottle waste dry and granulation. The physical handling of PET plastic bottles is closely linked to the sorting process. There are two main physical recovery methods: First, the waste PET plastic bottle chopped into pieces, from the PET separation of HDPE, aluminum, paper and adhesives, PET fragments and then washed, dried, granulation;

Second, the first waste PET plastic bottles on the non-PET caps,
Base, labels and other impurities with mechanical separation, and then by washing, broken, granulation. Recycled PET may not contain PVC impurities, otherwise it will affect the color of PET. When the PVC mixed with less amount can be manually on the conveyor belt separation, that is, by the role of torque when the PVC and PET plastic bottles in the force part of the different
Different melting points, will break the PET and PVC debris through the heater and temperature control of the conveyor belt, PVC is melted and adhered to the conveyor belt, so that can be separated from the PET. The label on the beverage bottle can be removed after the bottle is broken with a blower and a cyclone separator. Can also be separated by the extraction tower separation device, broken PET fragments vertically from the top of the separation tower to join the debris and the rising air flow to form a countercurrent, the use of PET and label debris specific gravity difference, the label was pumped, PET from the bottom of the separator, in order to To ensure the separation efficiency of the label, in the production can be used more than two sets of separation device. The washing of PET chips is very important. Washing often use 80-100 ° C hot water to soften or dissolve the adhesive and the base of the EVA adhesive or other types of adhesive.

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