There are four main methods of recycling plastic bags:
(1) chemical recycling: the plastic bag is broken down into chemicals or fuel oil, gas and so on;
(2) recycling: the plastic bag after classification, cleaning, crushing and other processes, made of plastic bags of raw materials, and then processed into new products;
(3) heat recovery: the use of plastic bags burning heat generated when the heat.
(4) re-use: after a simple treatment can be recycled again;