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What does the future hold for sustainable packaging?

What does the future hold for sustainable packaging?

It was restrictions on shipping furniture to Europe using Styrofoam — a lightweight plastic foam that is notoriously bad for the environment — that inspired Alvin Lim to pivot to sustainable packaging in the mid-2000s.

“It was 2005, a time when outsourcing was sexy. I had multiple businesses, and one of them was producing furniture for the gaming industry. I was told that I couldn’t use Styrofoam to ship to Europe, or there would be tariffs. That led me to explore alternatives,” says the Singaporean entrepreneur, who went on to launch RyPax, a company that makes recyclable, biodegradable moulded fibre packaging from a blend of bamboo and sugarcane.

His first big move was to convert the Napa Valley wine industry from Styrofoam to moulded fibre in the United States. At the height of the wine club craze, RyPax shipped 67 40-feet high containers of wine shippers to wine producers. “The wine industry wanted to get out of Styrofoam — they never liked it. We gave them a classy, environmentally-friendly alternative,” says Lim.

 

Alvin Lim, chief executive of RyPax

 

The real breakthrough for his business came at Pack Expo, a packaging convention in Las Vegas. “We attracted a lot of interest, but there was one gentleman who spent 15 minutes at our booth inspecting our products. I was busy with another customer, so he slid his card on our desk, said ‘call me next week’ and walked away,” recalls Lim.

That interested customer would ultimately become RyPax’s flagship client.

A large, well-known consumer electronics brand known for its sleek design and intuitive products became a mirror image of RyPax’s own culture and approach to sustainability. Just as RyPax helped the client move out of plastic and into moulded fibre, the client inspired RyPax to switch to renewable energy to power its operations. As well as investing US$5 million to put solar panels on the roofs of its factories, RyPax has invested US$1 million in a wastewater system.

In this interview, Lim talks about innovation in packaging design, the weak links in the circular economy in Asia, and what will persuade consumers to pay more for sustainable packaging.

 

Which innovations in sustainable packaging design excite you the most at the moment?

A good example is a moulded fibre sleeve for bottles. Our strategic partner, James Cropper, produces a luxurious champagne bottle sleeve that is 100 per cent sustainable. The design reduces the carbon footprint of the packaging; you save on space, it’s lighter, you use less material, and you don’t need an expensive exterior box.

 

A moulded fibre champagne bottle cover by James Cropper. it’s lighter and uses less material. Image: James Cropper

 

Another example is the paper drinking bottle. A competitor has produced one using two pieces of paper stuck together with a lot of hot glue (so it’s really hard to separate) over a plastic lining.

There are challenges with paper bottles too. Is it commercially viable and ready for mass production? RyPax has taken up the challenge to address these issues. We have broken it down in phases. Firstly, we are working on a bladder system which uses either an aluminum or a thin plastic bottle that can be easily removed. We know that this is a not a viable long-term option, and so the next step that we are taking is to create a mono-material for the bottle body with a sustainable coating to hold the liquid in. Lastly, our company is working towards a goal of eliminating plastics completely, which spurred us to innovate a moulded fibre screw-top option that would be revolutionary.  

There are good ideas emerging in the industry, but a key issue is shared knowledge. Yes, corporate profits and competitor advantage are important, but the sooner good ideas can be shared the better. We need to look at the bigger picture. Once paper bottles a feasible at scale, a huge amount of plastic can be removed from the system.

 

Will sustainable packaging always be more expensive than single-use plastic packaging?

There is an inherent difference in properties between plastics and sustainable materials harvested from nature. As such, in certain applications, sustainable materials are still more expensive than plastics. However, technology and advancement in machinery are fast evolving, resulting in cost efficiencies for mass-produced sustainable materials and packaging.

Furthermore, governments across the globe are introducing tariffs on plastic use, which in turn will spur more companies to convert to a more sustainable approach, that may result in an overall cost reductions. 

Most sustainable materials are harvested from nature, and do not have the properties of plastics or metals. As such, in certain applications, sustainable materials are still more expensive than plastic. But technology is fast evolving, and may result in cost reductions for mass-produced sustainable materials. And if tariffs are placed on plastic, as a way to control plastic pollution, that could result in companies switching to more sustainable materials.

Recycled plastic is always going to be more expensive than virgin plastic, because of the cost of retrieving, processing and recycling it. In some applications, recycled paper may be more expensive than recycled plastic. Price parity may come when sustainable materials can scale, or when customers are willing to accept changes in design, because it’s more environmentally friendly.

 

What will persuade people to pay more for sustainable packaging?

It starts with education. If consumers are more aware of the damage that plastics cause the planet, they would be more inclined to help pay the cost of creating a circular economy.

 

Do you think that consumers are getting over the taboo of buying products made of recycled materials?

I think the big brands like Nike and Adidas are forcing the issue by using recycled material in their packaging and products. The intention is for it to look recycled with its mashed up designs speckled in various colours. Our partner, James Cropper, is upcycling takeaway coffee cups into luxury packaging, recycled bags and greetings cards. Now, there’s a big push for ocean plastic. Logitech has just announced an ocean plastic optical computer mouse. Once companies go down that route and recycled content becomes more accepted, then it’s just a matter of aesthetics. Some companies want a rough, unfinished, more natural look, some want a more premium look and feel. There is an increase in consumer demand for sustainable packaging or products and they are willing to pay for it. 

 

Which plastic products can be replaced with moulded fibre?

Another product that needs a design overhaul is clothes hangers. Why must they be made of plastic? RyPax is working on a moulded fibre clothes hanger to further eliminate single use plastics. Another is cosmetics, which are a major cause of single-use plastic pollution. Some components of lipsticks, such as the twist mechanism may need to remain plastic, but why can’t the rest be moulded fibre?

 

Clothes hangers made from moulded fibre. Image: RyPax

 

The packaging industry is growing rapidly, but is the waste management instructure in Asia developed enough to cope with this growth and bring about a circular economy?

No. It’s a big problem, which was laid bare when China stopped accepting waste material imports [in 2017]. That sent the price of raw materials through the roof. Recycled material prices shot up too. Economies of a certain size and maturity were able to cope, because they had recycled waste streams already in place. But most countries were unprepared, and they needed to look to other countries to process their waste. Take Singapore, for example. It lacks the infrastructure and industry to process recycled materials. So it was exported to countries like Indonesia, Vietnam, and Malaysia. These countries are not set up to process extra waste.

 

What is holding back the circular economy in Asia?

Infrastructure needs to change, and that will take time, investment and regulatory support. For example, for Singapore to develop a circular economy, it needs consumer buy-in, corporate willingness, and government support for industries that are moving towards more sustainable solutions.

 


 

Source Eco Business

This is how worms could help to eat up the planet’s plastic pollution.

This is how worms could help to eat up the planet’s plastic pollution.
  • Research has found mealworms can eat plastic and still be nutritious as food for other animals.
  • Even those that ate Styrofoam, which contains a toxic chemical, seemed to show no adverse side-effects and the chemical didn’t build up in its body.

New findings suggest mealworms could be the solution to our big plastic problem.

They can not only consume various forms of plastic, but also Styrofoam containing a common and toxic chemical additive. And even after that meal, they can serve as protein-rich feedstock for other animals.

The study is the first to look at where chemicals in plastic end up after being broken down in a natural system—a yellow mealworm’s gut, in this case. It serves as a proof of concept for deriving value from plastic waste.

“This is definitely not what we expected to see,” says Anja Malawi Brandon, a PhD candidate in civil and environmental engineering at Stanford University and lead author of the paper in Environmental Science & Technology.

 

The process of how meal worms could help to minimize plastic waste.
Image: Environmental Science and Technology

 

“It’s amazing that mealworms can eat a chemical additive without it building up in their body over time.”

Mealworms as animal food

In earlier work, researchers revealed that mealworms, which are easy to cultivate and widely used as a food for animals ranging from chickens and snakes to fish and shrimp, can subsist on a diet of various types of plastic.

They found that microorganisms in the worms’ guts biodegrade the plastic in the process—a surprising and hopeful finding. However, concern remained about whether it was safe to use the plastic-eating mealworms as feed for other animals given the possibility that harmful chemicals in plastic additives might accumulate in the worms over time.

“This work provides an answer to many people who asked us whether it is safe to feed animals with mealworms that ate Styrofoam“, says Wei-Min Wu, a senior research engineer in the civil and environmental engineering department.

The researchers looked at Styrofoam or polystyrene, a common plastic typically used for packaging and insulation that is costly to recycle because of its low density and bulkiness.

It contains a flame retardant called hexabromocyclododecane, or HBCD, commonly added to polystyrene. The additive is one of many used to improve plastics’ manufacturing properties or decrease flammability.

Plastic, worms, shrimp

In 2015 alone, nearly 25 million metric tons of these chemicals were added to plastics, according to various studies. Some, such as HBCD, can have significant health and environmental impacts, ranging from endocrine disruption to neurotoxicity. Because of this, the European Union plans to ban HBCD, and US Environmental Protection Agency is evaluating its risk.

Mealworms in the experiment excreted about half of the polystyrene they consumed as tiny, partially degraded fragments and the other half as carbon dioxide. With it, they excreted the HBCD—about 90% within 24 hours of consumption and essentially all of it after 48 hours.

Mealworms fed a steady diet of HBCD-laden polystyrene remained as healthy as those eating a normal diet. The same was true of shrimp fed a steady diet of the HBCD-ingesting mealworms and their counterparts on a normal diet. The plastic in the mealworms’ guts likely played an important role in concentrating and removing the HBCD.

The researchers acknowledge that mealworm-excreted HBCD still poses a hazard, and that other common plastic additives may have different fates within plastic-degrading mealworms. While hopeful for mealworm-derived solutions to the world’s plastic waste crisis, they caution that lasting answers will only come in the form of biodegradable plastic replacement materials and reduced reliance on single-use products.

“This is a wake-up call,” Brandon says. “It reminds us that we need to think about what we’re adding to our plastics and how we deal with it.”