Engineering solutions to the plastic waste challenge

When people ask me what I do, I usually give the easy answer: “I’m an engineer.” What that really means is my work is about finding solutions. We engineers use our technical expertise to enhance products and processes, develop novel technologies and try to find solutions to complex challenges.

Philippe Ducom

President, ExxonMobil Europe

The challenge of plastic waste is a perfect example.

Plastic pollution and the plastic lifecycle

Plastics improve everyday life in myriad ways. From simple cables to smartphones to household appliances, most of the items we use daily rely on innovative plastics. Or take modern sports as an example. Athletic shoes, clothing and safety equipment all rely on plastics. Even the track on which an Olympic runner pursues a new record is typically made with plastic as a key component. Along with helping make life more enjoyable and exciting, plastics also save lives.

Plastics are critical components of many lifesaving products in the medical industry, including face masks, shields and gowns for medical professionals treating patients with COVID-19 and a wide array of other conditions. Every hospital visit – short or extended, amid or beyond the global pandemic – involves the use of protective products and equipment comprised of plastics. All that plastic, however, needs to be properly disposed of.

A significant amount of solid waste – including but not limited to plastic – leaks into the environment every day. And the problem is exacerbated in the developing world, where at least 3 billion people lack access to controlled waste-disposal facilities. Plastic’s full potential cannot be leveraged if it ends up in the oceans.

I share society’s concern about plastic pollution in the environment – and this is where we engineers come in. Our job is to find value in plastics throughout their life cycle, including at their end of life. We use our technical expertise, our creative application of scientific principles, and new technologies to try to capture the full value of plastics so they’re viewed more as treasure than trash.

Providing a valuable outlet for capturing plastic waste is a way to incentivize its collection and sorting, and science is required to maximize that value. I’m talking about advanced recycling technologies that break down plastic waste to its molecular building blocks and recombines them so recycled plastic becomes equivalent to new plastic.

But engineering is more than just developing technologies to increase plastics recyclability. It’s about applying the technologies and advocating plastic pollution solutions, as ExxonMobil is doing, in uniquely challenging places.

Plastic waste solutions in Atando Cabos

In the Patagonia region of Chile, discarded plastic fishing ropes were contaminating beaches. Several groups came together and launched the Atando Cabos project with a simple goal: Collect the ropes and recycle them into high-quality products. But that’s harder than it sounds. The clean-up crews discovered the ropes were made of two incompatible materials that wouldn’t mix and couldn’t be separated. That’s when ExxonMobil stepped in.

We collaborated with Atando Cabos and found that adding our Vistamaxx™ performance polymers to the ropes’ two materials made them compatible and fully recyclable. Now, discarded ropes are being turned into sturdy end products, such as crates used for agricultural purposes. In just one year, more than 1,000 tons of rope have been recycled through this partnership.

The Alliance to End Plastic Waste

ExxonMobil is a founding member of the Alliance to End Plastic Waste, which is focused on developing safe, scalable and economically viable solutions that will help end plastic waste in the environment. The Alliance aims to accelerate additional investment by proving the effectiveness of these plastic pollution solutions, particularly in markets with the highest levels of plastic waste.

Among its many initiatives, the Alliance is providing funding to Project STOP Jembrana, a group helping communities in Bali to prevent 2,200 tons of plastic waste leaking into the environment each year, while collecting and processing an additional 18,000 tons of waste annually. Another project, Closing the Loop, helps Ghanaian communities collect and sell plastic waste, which is then reused to create household products and building materials.

The Alliance’s membership has grown to include nearly 50 organizations from all over the world, representing the chemical industry, waste management companies and consumer brands. Have a look at the other great projects the Alliance is working on here.

Working together to reduce plastic waste

More than just acknowledging the challenge of plastic waste in the environment, we at ExxonMobil are taking actions to help address it by increasing plastic recyclability, supporting improvements in plastic waste recovery and working on technological solutions. For us, a company of engineers and scientists, this means providing practical solutions and using our technical expertise and experience – something we have been doing successfully for more than 135 years.

We can’t go it alone, though. It is essential for industry, governments, consumers and others to work collaboratively to ensure the appropriate collection, sorting, recycling and recovery of plastic pollution. Every partner within the plastics value chain will need to focus on what they do best.

I’m convinced that if we all work together, we can continue to enjoy the benefits of plastics – from our leisure pursuits to our safety and health – while preventing leakage of plastic waste into the environment.

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