Following an eight-week trial in 2018, Starbucks and its partners demonstrated that it’s possible to recycle its paper coffee cups. A significant complication has been the waterproofing polyethylene liner inside the cup that must be removed during the recycling process before the fiber can be recovered.
To prove the process, Starbucks provided 25 million cups from excess inventory for Sustana to recycle at its De Pere, WI facility. After pulping, the polyethylene liners separated from the cup, allowing fibers to be screened off, cleaned and made ready for new cups.
Grand as it sounds, the story is not new. Moreover, it may well be superseded by other developments. In 2018, Starbucks worked with recycled-fiber provider Sustana, papermaker WestRock, and package supplier Seda North America to run the pilot. In September 2018, Sustana released a video detailing the project’s success,
Cup to Cup: Close the Loop.
The story has been getting press again recently.
Packaging World, for example, rehashed it February 18, 2019.
But the bigger story is that since Sustana released its
video, little has happened.
The constraint for this process is effective collection. A WestRock study shows that 60% of food packaging goes home with the consumer, massively complicating collection. Further, collection practices vary from location to location, hindering the development of a common solution. Both these issues were well-known before the Starbucks pilot.
Without action on these fronts, paper cup recycling will remain very limited and the Starbucks effort looks little more than a PR win.
Most likely, innovators will develop a fully compostable paper that does not require such specialized processing or rely on harmonized collection practices. One leader in this field is the
NextGen Cup Consortium, of which Starbucks is a founding partner.
The NextGen Cup Challenge is seeking the next generation fiber cup that will be recoverable on a global scale and meet current performance standards. It recently listed its current top
12 winners that will receive limited funding before up to six are progressed into its
accelerator program.
[Image Credit: © Starbucks]