As a long-tail boat arrives at a fishing village on the southern Thai island of Koh Chang, residents gather to sell their wares — not seafood, but plastic.
The villagers, members of the semi-nomadic Moken people, are selling to Tide, a start-up attempting to create new value from old plastic collected from or near the sea.
Recyclers have long scooped up some of the more than 6 million tonnes of plastic that the Organisation for Economic Co-operation and Development estimates enters the ocean each year.
Photo: AFP
However, Tide works directly with everyone in the process, from collectors in remote Thai fishing villages to carpet manufacturers in the Netherlands.
Its plastic is traceable and certified as “ocean-bound” — a process that involves annual audits by a non-governmental organization.
It is processed using a method Tide says results in a recycled product of comparable quality to virgin plastic.
“We are convinced there is more than enough plastic in our world, and we should take what already exists,” said Marc Krebs, a cofounder of the Swiss company.
On Koh Chang, a 30-minute speedboat ride from the sleepy southern town of Ranong, the Tide boat’s arrival prompts a flurry of activity.
Mimi, 65, has brought out several old rice sacks of bottles that join a growing heap of torn fishing nets, old rope and discarded jerrycans.
“The more I collect, the more arrives. I can’t collect it all,” she said, declining to give a family name.
The villagers live along the beach in ramshackle wooden homes on stilts.
Underneath, the high tide mark is clear — behind it is a carpet of refuse, from polystyrene boxes and flip-flops to take-away cups and crisp packets.
Only a small portion is commercially viable for recycling. Tide buys six categories including fishing nets and common types of plastic bottles made of polyethylene terephthalate (PET) and cartons made of high-density polyethylene (HDPE).
“Each day, we have a lot of products that we can’t sell and can’t recycle, and I’m sure there is much more of it in the ocean,” Tide’s Thailand operations director Nirattisai Ponputi said.
While the market price of recycled plastic fluctuates, Tide pays a set rate on Koh Chang to encourage continued collection.
They sometimes take items that cannot be recycled, because the island has no waste management options, so the alternative is mostly open burning.
Even recyclable items can be challenging. Bottles with stamped logos must be “hot washed” before processing, colored plastic can contaminate recycled material, and most ink-printed labels cannot be recycled.
A PET soft drink bottle might have an HDPE cap and a polyvinyl chloride (PVC) label, creating an onerous sorting process.
Sometimes it is not even clear what plastic has been used, so Tide uses a spectrometer to work out what can be recycled.
“There are no regulations about the plastic that you can put in your product, so it’s left on the shoulders of the collectors to work it out,” Tide external project manager Capucine Paour said.
Plastic collected on Koh Chang and surrounding islands goes to Tide’s Ranong facility, where workers painstakingly sort it again before pressing it into bales.
Founded in 2019, Tide collects about 1,000 tonnes of plastic a year from Thailand and other locations including Mexico.
“It’s still a very small amount” compared with the global scale of the problem, Krebs said.
The collected plastic is processed into pellets before being shipped to customers such as Condor Group, one of Europe’s largest carpet manufacturers.
The firm uses recycled material from Tide and elsewhere for about one-quarter of its products.
“Tide is really unique,” said Jan Hoekman Jr, one of the company’s directors. “You can follow the product from collection to the final products, which you see here. That’s all transparent, which is very important if you talk about sustainability.”
Tide says its product is 40 percent more expensive than virgin plastic, but customers such as Condor Group are willing to pay a premium.
“We see sustainability not just as a trend, but more as stewardship for future generations,” Hoekman said.
Condor Group’s buzzing production lines feel extremely distant from the quiet off-season beaches of Koh Chang, where Wiranuch Scimone, 54, collects plastic for Tide.
In her 20 years on Koh Chang, she has seen the waste washing ashore go from mostly fishing nets to huge amounts of unrecyclable polystyrene foam that locals often end up burning.
The monsoon waves bring in so much trash that she sometimes spends hours on a beach without being able to collect it all.
“It would be best if there were no plastic,” she said: “Ban is better.”
Tide, a for-profit company, is still a relatively small operation, but it is expanding, moving into Ghana next.
“You have to start somewhere,” Krebs said. “We are quite convinced that we are at the beginning of a new wave.”
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