CHEMICAL RECYCLING | PYROLYSIS PROJECTS
Clariter follows a different pathway
Clariter differs from many chemical recycling technology companies as it produces finished goods, not interim chemical products like pyrolysis oil. “Clariter is in a place of its own,”
said Yariv Eldar, VP Business Develop- ment, at the Plastics Recycling World Expo in Essen, Germany in Septem- ber. “We do not recycle, we upcycle.” The company has developed a
three-stage process for recycling mixed plastics waste. First it uses thermal cracking which generates a wide range of hydrocarbons. Stage two is a hydro-refining process developed to remove impurities and form naphthenic and paraffinic hydrocarbons. The third distillation stage results in three product families, waxes, solvents and oils for industrial
recycled feedstock. A feasibility study for a chemi- cal recycling unit to be established at the Borealis production location in Stenungsund, Sweden is being carried out with project partner Stena Recycling, and could lead to operations beginning in 2024. Borealis will also co-operate independent- ly with Fortum Recycling and Waste on a project involving the sourcing of plastic waste to the chemical recycling unit. In October, ExxonMobil announced plans to build its first, large-scale recycling facility for plastic waste in Baytown, Texas, US, expected to start operations before 2023 with a planned capacity of 30,000 tonnes/yr. A smaller, temporary facility, is already operational and producing commercial volumes of certified circular polymers that will be marketed by the end of this year. ExxonMobil’s initial trial of its proprietary process
recycled more than 1,000 tonnes of plastic waste and has demonstrated the capability of processing 50 tonnes per day. The company says it is develop- ing plans to build approximately 500,000 tonnes/yr of chemical recycling capacity globally over the next five years. In Europe, it is collaborating with Plastic Energy on a plant in Notre Dame de Graven- chon, France, which is expected to process 25,000 tonnes/yr of plastic waste when it starts up in 2023, with the potential for further expansion to 33,000 tonnes/yr. ExxonMobil is also assessing sites in the Netherlands, the US, Canada and Singapore. To help address the need for increased collection
and sorting of plastic waste, in February, ExxonMobil formed a joint venture with Agilyx, called Cyclyx International, focused on developing solutions for aggregating and pre-processing large volumes of plastic waste that can be converted into feedstocks. Agilyx is best known for its technology to depolymerise polystyrene. But in September, it said it had been granted a patent continuation for its process of breaking down waste polystyrene into its chemical building block, styrene monomer.
26 PLASTICS RECYCLING WORLD | November/December 2021
and consumer use which are sold to its customers. Eldar said: “We don’t need a mass balance approach because 100% of our products come from plastic waste.”
Clariter has plans for facilities in
Europe and elsewhere around the world. In 2021, it has announced collaborations with DSM and Mitsubishi.
“Essentially, our process has not changed,” says
Chris Faulkner, CTO at Agilyx. “We are using the same technology on the same machinery, though it may be operated in a slightly different way de- pending on the polymer.” At the beginning of November, Honeywell announced the commercialisation of its UpCycle Process Technology. Sacyr, a Spain-based global engineering and services company with operations in more than 20 countries worldwide, will be the first to deploy the Honeywell technology. The two companies will form a joint venture to operate a facility in Andalucía, Spain, with a capacity of 30,000 tonnes/yr of mixed waste plastics. Produc- tion is expected to begin in 2023.
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.basf.com �
https://ccpe.fraunhofer.de �
www.tno.nl �
https://synovatech.com �
https://plasticenergy.com �
www.sabic.com �
www.bp.com �
www.brightmark.com �
http://eng.skglobalchemical.com �
www.shell.com �
www.bluealp.nl �
https://adurocleantech.com �
https://muratechnology.com �
www.dow.com �
www.quantafuel.com �
www.borealisgroup.com �
www.renasci.be �
https://corporate.exxonmobil.com �
www.agilyx.com �
www.honeywell.com �
www.sacyr.com �
www.coperion.com �
www.clariter.com �
www.lct.ugent.be
www.plasticsrecyclingworld.com
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