As part of National Science Week, the CSIRO and University of Technology Sydney (UTS) researchers and Year 6 students from Marrickville Public School have tested a new prototype Smart Bin designed to build a circular economy.
Smart Bin Technology uses Internet of Things (IoT), sensing, robotics, Artificial Intelligence (AI) and infrared spectroscopy technologies to automatically sort plastic, metal and glass, and sort specific types of plastic. The bin is a proof-of-concept device designed to improve recycling rates and reduce contamination in waste streams, with New South Wales only recycling 10 per cent of its 800,000 tonnes of plastic waste.
The Smart Bin also supports turning waste into a resource. Victorian small business, Casafico, create commercial construction materials from recycled glass, newspaper and polystyrene. Much of this is sourced through online waste exchange marketplace ASPIRE, which spun out of CSIRO in 2013.
CSIRO chief executive, Dr Larry Marshall, said CSIRO’s collaborative Ending Plastic Waste Mission has a goal of an 80 per cent reduction in plastic waste entering the Australian environment by 2030.
“Solutions from science that will grow our circular economy take collaboration at every stage of the innovation process – from understanding plastics at a molecular level to reinvent the way plastic is used, made, and recycled, through to commercialising solutions that use new technologies like this Smart Bin, which is now in discussions to go to market, and spinning out new companies like ASPIRE to grow new circular economy jobs,” Marshall said.
“Science can transform our economy into a circular one that renews and reuses what we previously discarded, creates higher paid jobs, advances new Australian technology, and protects our environment, while inspiring the next generation with what’s possible – during National Science Week and throughout the year.”
According to CSIRO principal scientist, Wei Ni, Smart Bin technology could be used in shopping centres, schools, cinemas, coffee shops and airports.
“It will improve recycling rates because it is so easy to use and could ensure that materials can be recovered for reuse,” Ni said.
By working with the CSIRO, UTS has developed new IoT and AI technologies to build the Smart Bin.
“It can simplify the recycling process and improve efficiency for waste classification and sorting,” UTS researcher Professor Ren Ping Liu said. “The Smart Bin will help to promote the circular economy and contribute to a carbon neutral future.”
Casafico head of Communications, Samantha Mucci, spoke to the benefits of operating in the circular economy.
“Sourcing waste materials through Aspire helps us to become carbon positive, to save scarce natural resources and divert waste away from landfill,” Mucci said.
“We can’t underestimate how small changes can make a huge difference. It’s great to see the next generation are learning that.”
In line with the 2022 National Science Week theme “Glass: more than meets the eye,” CSIRO has developed curriculum-aligned lesson plans with suggested class activities around the glass, plastic and the circular economy theme made available to support teachers nationwide. This continues CSIRO’s 40-year track record of actively supporting STEM learning for students and teachers with high-quality education programs.
CSIRO’s 2021 Circular Economy Roadmap found innovation could triple job creation from resource recovery by designing new products and materials, advanced manufacturing, and in embracing new business models that will create domestic and export markets for waste streams. Increasing Australia’s recovery rate by just five per cent would add an estimated $1 billion to GDP.
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