Host: Japan Society of Material Cycles and Waste Management
Name : The 32nd Annual Conference of Japan Society of Material Cycles and Waste Management
Number : 32
Location : [in Japanese]
Date : October 25, 2021 - October 27, 2021
From the viewpoints of marine plastic problems and global warming issues, reduction of marine pollution of plastics and conversion of 3Rs and renewable resources are required. Durable and hygienic PET bottles are indispensable to our lives because of their convenience. However, they account for 6% of the total amount of plastic waste every year in Japan. The purpose of this study is to construct a material flow (MFA) for PET bottle labels in Japan. As the results, the amount of PET bottle labels discarded in 2019 were calculated. The amount of labels calculated using the weight ratio of bottles to labels is about 26,000 tons, while the amount of labels calculated using the average weight of labels is about 25,000 tons. Comparing the two calculation methods, there was a difference of 200 tons for roll labels and 1,000 tons for shrink labels. This is probably because the ratio of roll labels to shrink labels is assumed and the capacity of PET bottles is not distinguished.
