PET瓶回收再生技术进展

Review of Reusing Technology of Recycled PET Bottles

对废PET瓶进行回收再生,不但可以减少环境污染,而且还可以节省资源。文章介绍了废PET瓶常用的物理回收方法和化学回收方法,简述了回收再生过程中PET瓶的分选与分离、清洗、切片破碎技术,还对回收PET瓶片的直接利用技术、无熔造粒技术、反应挤出增黏以及PET高分子合金制造技术等进展进行了概述,指出了废PET瓶回收再生领域的发展方向。

The reusing of recycled PET bottles can not only decrease environment pollution but also bring resource saving. The technology progress of recycling and reuse of PET bottles during the recent years was reviewed, including the physical reclaim and the chemical reclaim, the techniques of selection and separation, crushing and washing, slicing up and breaking up, the techniques of direct reuse, the techniques of non-melting regulating, the techniques of chain extension in reactive extruder and and the techniques of PET alloy manufacture. Besides, the development way of recycled and reuse technique in the recycled PET bottles field was put forward.