INEOS Styrolution and Sirap agree on joint project aiming at depolymerisation solution for polystyrene

INEOS Styrolution and Sirap agree on joint project aiming at depolymerisation solution for polystyrene

December 3, 2019
Press Release: INEOS Styrolution

A new joint project between Sirap and INEOS Styrolution contributes to ambitious efforts related to resource efficiency, recycling and reduced environmental footprint

INEOS Styrolution, a global leader in styrenics and an exhibitor at Plastic Free World Conference & Expo 2020, has reached an agreement with Sirap, an international leader in the production of food packaging (particularly of XPS-based food containers), to develop packaging solutions based on chemically recycled polystyrene. Ultimately, the solution aims at achieving circularity for polystyrene, reducing post-consumer waste, and saving valuable resources with a reduced environmental footprint.

The joint project focuses on the use of polystyrene that is recycled through depolymerization, a process that converts post-consumer polystyrene waste back to its monomers. This agreement positions Sirap as a first mover in the XPS food packaging sector. The advantage of this process is the generation of high-quality virgin polystyrene ultimately for food-related use. This means that recycled polystyrene will have the same properties as the initial polystyrene – including complying with stringent food contact regulations.

INEOS Styrolution and Sirap have agreed on a very ambitious time schedule with first samples of recycled polystyrene from lab-scale facilities being analyzed still in 2019.

“Sirap will act as pilot leader within a wide group of XPS packaging producers,” reported Stefano Lazzari, CEO at Sirap. “We have been engaged for years in redesigning our processes and products in harmony with the guidelines of the circular economy. This particular project will bring the family of extruded polystyrene foam containers, which are light and high in performance, to a circular solution before the 2025 deadline, thus becoming one of the best products in term of environmental impact.”

“The collaboration with Sirap, as pilot leader in the XPS food packaging sector, is a significant step in the right direction,” added Sven Riechers, vice president Business Management, Standard Business EMEA at INEOS. “It is exciting to work with a giant in the industry and first mover like Sirap. We are convinced that chemical recycling is the way forward to produce high-quality polystyrene, while reducing post-consumer waste and reducing the use of valuable raw materials at the same time.”

Plastic Free World Conference & Expo 2020 will take place at Cologne Messe, Germany, on Tuesday 16 June and Wednesday 17 June. To register for this highly focused, solutions-driven event, please click here. For sponsorship and exhibition opportunities, please email


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