Turning Trash Into Treasure: How AI Is Revolutionizing Waste Sorting

The waste crisis is devastating our planet. A lot of the stuff we throw gets dumped in landfills. These massive waste disposal sites are often created by destroying forests or inhabitable lands. For example, the United States has lost land roughly the size of the state of Maryland to landfills.

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Unfortunately, materials that could be recycled or composted continually end up in landfills. With waste generation projected to rise by 73% by , the problem could get worse. We need more efficient and innovative solutions to manage waste.

Artificial Intelligence (AI) is emerging as a powerful tool to help sort waste and divert recyclable materials away from landfills. Let’s look at some innovative solutions that improve recycling, prolong the life of existing landfills, and help us achieve our sustainability goals.

The growing waste problem

The United States leads the world in waste generation per capita, with each citizen producing an average of pounds of waste per year. Despite efforts to manage this waste, only 24% is currently recycled. This starkly contrasts with countries like South Korea and Germany, which recycle nearly 60% and 50% of their waste, respectively. This inefficiency not only strains landfill capacities but also worsens environmental and health issues.

Landfills destroy natural habitats, with over 1.8 million acres of land being used as active landfills, in addition to 6 million acres lost to landfills closed in the past. Emissions from landfills pose significant health risks to nearby communities, increasing the likelihood of congenital malformations in children by 12% and decreasing property values.

To tackle such issues, several states have taken significant steps to address the waste management crisis. Vermont has banned all recyclables from landfills. Meanwhile, Maine has introduced stringent producer responsibility laws requiring companies to manage their products and packaging long after consumers use them.

Sortation, the key to efficient waste management

Waste collected from cities is transported to a materials recovery facility (MRF), where it is usually sorted. This sorting process is not effective, as incorrectly classified materials contaminate the recyclables. Further, the sortation is largely manual and labor-intensive, with humans racing against time to scan and sort recyclables on a fast-moving conveyer belt.

Technological innovations offer new hope for tackling these challenges. "AI is transforming waste management through automated sorting systems that utilize robotics and machine learning to accurately categorize waste and enhance efficiency,” Marc Acampora, vice-president and market leader of WasteExpo at Informa Markets' Infrastructure and Construction Group, told me.

His firm organizes WasteExpo, North America's largest tradeshow for solid waste, recycling, organics, food waste recovery, and sustainability, serving both the private and public sectors. At the recently held event in Las Vegas, key industry players showcased the latest innovations in solid waste sortation.

Enhanced material identification with computer vision

A huge variety of solid waste materials are collected from homes and businesses. AI algorithms need extensive training to learn about the different types of trash we throw. EverestLabs, a company with a self-contained industrial 3D vision system, has built a proprietary dataset of over 5 billion recyclable objects to train its algorithms.

Their data and robotics platform, RecycleOS, can sort objects with over 95% accuracy. “Our AI provides accurate data on the shape, size, weight, material, packaging type, commodity value, and even brand information of every recyclable flowing through the plant,” JD Ambati, founder and CEO of EverestLabs, told me.

These systems improve over time and adapt to new types of waste, ensuring the adaptability of sorting processes even as the composition of waste changes. For example, Alameda County Industries (ACI) reduced its labor costs by 59% in three years thanks to EverestLabs’ robots, which have picked up approximately 30 million objects.

Preventing contamination with high-precision algorithms

AI solutions employ advanced algorithms to differentiate between many variants of similar-looking materials. “Glacier’s AI model can detect over 30 types of items, from beverage bottles to toothpaste tubes,” Rebecca Hu, founder and CEO of Glacier, told me.

Accurately identifying recyclable materials, such as fiber, PET, HDPE, or black plastic, helps reduce contamination rates and increase the purity of recyclables. For example, Glacier’s robots can be trained to identify and remove plastic bags that accidentally end up in the paper stream. This makes the quality of the end paper product higher and more valuable.

Talking about the impact of their robots, Rebecca Hu shares that they helped a recycling customer quantify a $900,000 annual revenue opportunity by identifying the value of recyclables that one site was incorrectly sending to landfills.

Efficient real-time sorting with robotics

As trash moves on conveyor belts, an average human can pick 20 to 40 items per minute based on the material. On the other hand, AI-powered robotic arms can sort materials at remarkable speeds.

AMP, one of the earliest innovators in AI-driven sortation, introduced high-powered jet systems. “It’s capable of making thousands of picks per minute on conveyer belts that move at speeds of 600 feet-per-minute,” Chase Brumfield - site reliability engineering manager of AMP, told me. In addition to consuming just a fraction of the manual effort, these systems need minimal downtime, vastly improving the throughput of waste facilities.

Additionally, intelligent sorting systems can unlock novel value-creation opportunities. For example, if a buyer is looking for a specific type of recycled plastic material, say a white-colored, post-consumer polypropylene - this is possible thanks to AI-driven sortation systems that can see, remember, and act by separating the desired type of waste in real-time.

How AI can help build a sustainable future

Meeting sustainability goals calls for an ability to benchmark and track performance. “Without the ability to measure our country's baseline recycling performance, it's near impossible to make progress on it,” says Rebecca Hu.

The ability to track recyclables at a never-before-seen level of granularity can act as a source of truth. This can help measure progress across recyclers, brands, policymakers, and other players in the circular economy as we work towards our sustainability goals. This remarkable ability of AI-driven sorting systems could catalyze progress towards the US National Recycling Goal of 50% recycling rate by .

We must remember that solving the waste management crisis requires more than just technology. Individuals must play their part by disposing of waste responsibly and adhering to the principles of reduce, reuse, and recycle. Simple actions by each of us, such as separating recyclables from general waste, composting organic materials, and reducing single-use plastics, can make a substantial difference.

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By combining AI-driven solutions with responsible human behavior, we can significantly reduce the amount of waste ending up in landfills and move towards a more sustainable future.

Currently, over 2 billion tons of waste are produced globally every year. The vast majority of this waste ends up in landfills where it pollutes the local ecosystem, releases harmful emissions and creates a range of environmental and public health issues. Unfortunately, this problem isn’t going away any time soon as, by , the amount of waste produced globally is expected to rise to a staggering 3.4 billion tons.

One of the best ways to mitigate the environmental impact of municipal solid waste is to introduce smarter, more tech-focused solutions to the waste management industry. These innovative processes help to streamline collections, monitor waste levels and make it easier for individuals and businesses to up their rates of recycling and help the environment.

What Is Smart Waste Management?

Smart waste management refers to systems that use tech to make the waste management process more efficient, more environmentally friendly and more sustainable. Many of these new emerging waste management technologies utilize the internet of things (IOT) to help streamline waste collection and improve sustainability. For example, some businesses in the waste management industry are already using smart waste bins to monitor trash levels in real-time and schedule collections in order to maximize efficiency.

How Smart Tech Is Changing the Future of Waste Management? 

A number of innovative companies are working on exciting new waste management systems and technologies that are specifically designed to build a more sustainable waste management industry. These technologies come in a variety of different forms and address a number of different issues affecting the waste management industry. One thing they all have in common is a desire to reduce pollution, streamline the waste collection system and protect our environment.

Many of the new technologies making waves in the world of solid waste management are aimed at businesses. This is because companies generally produce more waste than individual households. Helping businesses to make sustainable waste management easier and more cost-effective will encourage more to recycle. With an estimated 75% of all the waste we produce thought to be recyclable, this could have a real impact on pollution, landfills levels and climate change.

Top 6 Smart Waste Technologies

Around the world, businesses and waste management companies are already integrating smart automation and technology into their processes. Here are six of the most exciting emerging technologies for .

1. Pello

Pello is a new technology that’s been developed to help businesses reduce their environmental impact and manage their waste collection more efficiently. Pello helps companies to achieve these goals in a number of different ways. Firstly, the Pello system monitors the fill-level of your trash cans and provides real-time information on the dumpsters’ contents and location. It also tells you if your container has been contaminated and sends pickup alerts when a collection is due.

Having this information at your fingertips allows you to streamline your waste management practices and take control of your business’ waste disposal. It also means that garbage trucks are only sent out when absolutely necessary, something that can help to reduce greenhouse gas emissions and cut traffic.

2. Recycling Robots

Artificial Intelligence has been in the news a lot lately, and not always for the right reasons. However, one area where AI could make a real and valuable difference is in the world of recycling. AI robots can be programmed to quickly and accurately differentiate between different materials, and many recycling centers are already making use of the technology.

Introducing AI robotics into the process allows for more efficient waste sorting in recycling centers and helps to divert as many recyclable materials away from landfills as possible. It also allows waste management companies to operate longer hours or even stay open 24/7, dramatically increasing the amount of waste processed.  

3. Pneumatic Waste Pipes

As urban areas grow and become more densely populated, traditional waste disposal and collection systems become less practical. One of the best tech solutions to this problem is the pneumatic waste pipe. Pneumatic pipes can be installed below public waste containers to transport waste straight to processing centers without the need for a trash pickup.

This system has two main benefits. The first is that it can dramatically reduce the number of garbage trucks on the roads. This can help to cut harmful emissions and minimize the number of vehicles clogging up our cities. Secondly, sending waste direct from dumpsters to waste management centers can help to avoid full containers overflowing. As well as being unsightly, overflowing dumpsters can cause an environmental health hazard and contribute to the pollution of the local area.  

4. Solar-Powered Trash Compactors

The more waste a trash truck can carry, the more it can collect on each round and the fewer trips it has to make. Solar-powered trash compactors compress trash as it accumulates inside a dumpster to increase capacity. This allows these smart containers to hold up to five times more than traditional trash bins. 

As well as compressing waste, solar-powered trash compactors have built in waste level sensors. These sensors transmit data on the capacity of the bins, allowing users to schedule pickups and streamlining the collection process.

5. E-Waste Kiosks

Electronic waste, like old computers, phones and TVs, contains a lot of harmful substances. If e-waste is improperly disposed of, these substances can leak out into the environment and pose a serious hazard to both human health and the local ecosystem. Instead of being sent to landfill, e-waste should be recycled or, even better, repaired and reused. This will help to prevent harmful chemicals seeping into our soil and water and protect the local area.   

One startup company has taken things into their own hands by launching specialist e-waste recycling kiosks. EcoATM kiosks allow you to dispose of your unwanted electronics safely and easily. If your , tablet or computer is still in good condition, they may even give you cash in exchange for the item, rewarding your efforts and helping to boost e-waste recycling rates in the process.

6. Recycling Apps

Apps have changed the way we order taxis, the way we date and the way we communicate, so why not the way we recycle? A new range of apps is now available to help individuals and businesses navigate the world of recycling. From donating your food waste to a worthy cause and giving away your clothes, to locating a nearby recycling center, these apps are a fantastic resource for those who want to keep their waste out of the landfill. Some apps also provide detailed information on exactly which materials can be recycled in your local area.

Because a lot of apps allow you to pass unwanted items on to other people, they’re also a great way to develop a sustainable, circular economy. Check out your app store to find out more about the specialist apps on offer.

Conclusion

Technology has a huge amount to contribute to waste management and recycling. Used well, it can help us to reuse old electronics, recycle ever more of our plastics and reduce the number of vehicles on our roads. In the future, tech advancements are likely to have an even greater impact on recycling rates and efficiency, leading to a greener, healthier planet for all of us.

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