Evonik develops polyurethane mattress recycling process

2021-11-25 07:13:27 By : Mr. William Wang

Evonik used its expertise in polyurethane (PU) chemistry to develop an efficient chemical recycling process that converts flexible PU foam into raw polyol raw materials. As the next stage of development, Evonik will expand the scale of trials of its new process, and the cooperation with the Vita Group will further strengthen this new process. The Vita Group has tried out polyols recovered from Evonik's hydrolysis process in several flexible foam applications.

According to EUROPUR's latest report, in Europe alone, about 40 million mattresses are discarded every year, most of which end up in landfills, generating 600 thousand tons of waste, including more than 300 thousand tons of PU foam. Since it is possible to recycle the main component materials used in flexible polyurethane foam and polyurethane foam mattresses, Evonik’s process provides a higher level of recycled polyol usage compared with existing commercial technologies.

Evonik’s solutions will help the global flexible polyurethane industry’s sustainability expectations for reducing waste and increasing the use of renewable raw materials in the production of its products.

Ralph Marquardt, head of Evonik's polyurethane additives business, said: “Only by recycling the products back to their raw materials and reusing them over and over again can we achieve a complete circular economy.” “Our new hydrolysis process. Recyclables with similar quality and performance to the original raw materials can be provided. Therefore, innovative foam producers like our partner The Vita Group can achieve their sustainability goals while continuing to provide high-quality PU products."

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Traditionally, waste management companies have used simple "waste management" methods to operate MRFs. Throughput goals and continuous operation (minimum downtime) are the main driving forces. However, the industry has changed, and the focus of the future is to optimize system performance and reliability, while increasing recycling rates and promoting a "greener" and more sustainable tomorrow.

When considering adding or upgrading "smart" MRF for municipalities or private operators, the main factor should always be the current requirements of the customer (operator) and the changing market needs, including throughput, reliability, output quality, and adaptation sex. It is also important to fully understand the true expectations of any proposed system. From the very beginning, work with the client to maintain a focused and focused mentality on the project, which will influence and promote the entire design process. This then affects the overall project results, down to the production, efficiency and continuous operation of the facility itself.

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