Anellotech takes a step forward in 100% renewable plastic bottle


David Sudolsky

U.S. sustainable technology company Anellotech and its joint development partners IFPEN and Axens have processed renewably-sourced aromatics made at Anellotech’s TCat- 8® pilot plant to successfully recover high-purity bio-based paraxylene – a key component for making 100% bio- based PET bottles a reality.

This is a key development milestone for Anellotech and global consumer beverage company Suntory, as the two partners will collaborate to produce the bottles. Anellotech, IFPEN and Axens will now purify additional paraxylene to create pilot sample 100% bioPET beverage bottles – as well as sample quantities of bio-based benzene whose derivatives (nylon, ABS, polycarbonate, linear alkyl benzene) are used in clothing, toys, mobile phones and laundry detergent.
“We’re delighted with this achievement, a key milestone on the path to 100% bio-based PET bottles,” said Munehiko Takada, Chief Specialist of Packaging Material Department at Suntory. “High-purity bio-paraxylene is an important material for our business, especially from a sustainability viewpoint.”
Anellotech has been producing renewably-sourced aromatics for purification by IFPEN and Axens in Europe. Since the announcement of a successful two-week continuous trial in March 2018 at Anellotech’s TCat-8® pilot plant at Silsbee, Texas, over 4,000 hours of cumulative on-stream time have been achieved.
An initial volume of high-purity bio-paraxylene test samples has been produced.
These samples have completely met all of the ASTM International specifications for downstream derivatives in conversion to PET. As larger amounts of paraxylene are purified, Anellotech will begin to make renewable PET resin for prototype bottle manufacture and product trials. This will be the industry’s first major production of bio-PET from continuous, cost- effective processing of non-food biomass.
“The successful production of high-purity bio-paraxylene from non-food biomass feedstock – David Sudolsky, President and CEO of Anellotech said – represents a significant accomplishment for Anellotech, its partners and industry at large, as this latest breakthrough brings 100% renewable plastic bottles closer to reality. Project planning is now underway for the first commercial process plant which will use our proprietary Bio-TCatTM process to produce paraxylene, benzene and other aromatics from sustainably-sourced loblolly pine wood, to be used in bio-based chemicals and biofuels.”
As well as bio-paraxylene, Anellotech continues to work on the recovery of bio-benzene and toluene from TCat-8® output. Separation and purification of high-purity bio-benzene will enable sample volumes of a range of important bio-based polymers such as nylons, polycarbonate, polystyrene and acrylonitrile-butadiene-styrene (ABS) to be produced.
Today, the energy and chemical industries must be responsive and proactive in adapting their assets and operations to contribute to a sustainable future. Our common project with Anellotech and IFPEN enters fully in this objective. Bio-TCat will complete effectively our processes portfolio to transform biomass into fuel or chemicals.” said Pierre Beccat, Executive Vice President Technology Development & Innovation of Axens.

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