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Design and consultancy organisation Arcadis has signed a heads of agreement with EVOCRA, and entered into an exclusive commercial negotiation period for sole rights to EVOCRA PFAS solutions technology.
PFAS stands for per- and poly-fluoroalkyl substances, which are manufactured chemicals used in products that resist heat, oil, stains and water.
According to an Arcadis statement, an understanding of PFAS toxicity, environmental persistence and aquifer mobility has developed in recent years.
Arcadis Australia Pacific CEO Malcolm McDowall said Evocra, an Australian-based water treatment company, have developed a patented technology that uses ozone fractionation to separate and concentrate PFAS from impacted media.
“Evocra and their treatment process provides our clients with an innovative solution to cost-effectively remove a complex contaminant from their assets and improve our environment,” Mr McDowall said.
“Their process has been demonstrated at a commercial scale as having the ability to remove PFAS and deliver an output that meets the most stringent discharge requirements set by regulators and other relevant authorities.”
Mr McDowall said the ozone fractionation used by Evocra has benefits over other separation and/or adsorption technologies, especially for liquids that have high concentrations of PFAS, and for complex waste streams with multiple contaminants.
“When the Evocra technology is coupled with either Arcadis developed or other commercially available destructive technologies, we will have the ability to offer our clients a zero-waste outcome,” Mr McDowall said.
Sydney has been ranked Australia’s most sustainable city in 2018, according to the Sustainable Cities Index from Arcadis.
The index ranks 100 cities on three pillars of sustainability which it defines as people, planet and profit.
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Australian cities were mostly located in the centre of the list, with Sydney and Canberra reaching 34th and 35th place. Brisbane was listed as the 44th most sustainable while Melbourne trailed behind at 56.
All of the cities on the list performed well on people focused measures, scoring high in health, education and digital enablement. Cities performed moderately well when it came to profit due to employment and ease of doing business.
However, each Australian city scored worse in the planet pillar, with greenhouse gas emissions and waste management common issues across all four cities.
London was ranked the most sustainable city, with eight of the top ten spots being European cities.
The 2018 Sustainable Cities Index emphasised the impact of how digital technologies have impacted on citizen’s experience of the city, but it found that technology is not yet able to mitigate things like traffic jams, unaffordable transport options, the absence of green space or the uncertainties caused by ageing infrastructure.
Arcadis Australian Cities Director Stephen Taylor said with no Australian city cracking the top 30, there is a need to improve the long-term sustainability, resilience and performance of our cities.
“Across our cities, particularly in Sydney and Melbourne, we’ve seen a real shift over the last few years beyond green sustainability to social sustainability. Both government and private developments are increasingly focusing on how projects can better improve communities, including financial gains and community wellness,” Mr Taylor said.
“Despite the middle of the road rankings, the nation’s strong focus on developing integrated transit systems, addressing affordability and embracing sustainability in construction are all positive signs for future improvement across the three pillars,” he said.