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Historically, material recovery facilities (MRFs) in the United States can recycle the vast majority of PET and HDPE, while other types of plastics have lower recycling rates, including plastics numbered 3-7
.
A recent demonstration project organized by the Plastics Industry Association with eight partners found that 17,000 tonnes of mixed waste plastic could be recycled in the Pacific Northwest each year in addition to MRF recycled plastic
.
17,000 tons
The project, called the Secondary Sorting Demonstration Project , took place July-August in Portland, Oregon, to collect enough low-grade plastic to determine that sorting it is an economically viable option
.
"Secondary Sorting Demonstration Project" "Secondary Sorting Demonstration Project"
The project released a report in late November
.
50,000 tons
PP 10,000 tons
PP 10,000 tons PP 10,000 tonsPET 4800 tons
PET 4800 tons PET 4800 tonsPE 2000 tons
PE 2000 tonsPE 2000 tonsPS 800 tons
PS 800 tons PS 800 tonsIn the past, these materials were mixed together and shipped to China, but now China has closed the door to waste plastic imports
.
Currently, the United States has many stakeholders making commitments and investments to develop plastic recycling infrastructure
.
Before the ban on waste in China, the United States was China's largest exporter of waste plastics.
The waste plastics generated by the United States were continuously transported to China and used in China, which made China have advanced technologies in sorting, crushing, and reprocessing of waste plastics.
Great progress
.
Today, the United States needs to deal with such a large amount of waste plastics by itself.
Perhaps it should learn from China's experience in sorting and processing
.