Grass replaces plastic in take-away food packaging
9. June 2021 | Food Service Equipment, News, What´s new in Retail

Soon, packaging for take-away foods might be completely based on local, sustainable materials instead of fossil-based products. In a new research project, a packaging solution based on upcycled grass fibres is being developed.

Grass fibres can replace plastic as a 100% biodegradable and disposable material for packaging for take-away food. This is the goal of the new innovative project SinProPack, which aims to develop a sustainable alternative to the disposable plastics currently used for packaging.

The project is bringing together industry, consumers and knowledge institutions to develop, demonstrate, test and evaluate fibre-based packaging for to-go food via proof-of-concept, pilot-scale trials and industrial upscaling. “Disposable packaging made of grass brings a lot of environmental benefits. The packaging will be 100% biodegradable, so if someone accidentally drops their packaging in nature, it will decompose naturally,” says Anne Christine Steenkjær Hastrup, centre director at Danish Technological Institute, who is coordinating the project.

Every year, Denmark consumes more than 10,000 tonnes of packaging for take-away food and drinks. Replacing 10,000 tonnes of disposable plastic with a corresponding quantity of bio-based and biodegradable packaging will reduce carbon emissions from packaging production by approx. 210,000 tonnes CO2 annually. The project will form a basis for a paradigm shift in packaging solutions by introducing and demonstrating the possibilities of using green biomass for single-use packaging for food products, as well as a sustainable bioeconomy business model for the technology.

Green biomass is an easily accessible resource in Denmark, and green biorefining for protein production is already of considerable interest because of the proven high biomass yields, environmental effects and the potential to use untapped biomass from unproductive low-lying areas such as meadows.

“After we harvest the grass and extract the protein for animal feed, we can refine and pulp the grass fibres for cellulose, from which we can produce packaging. In this way, we can use and up-value a side stream from protein production. It’s a great way to create added value for biorefining, as not all grass fibre can necessarily be used as cattle feed,” says Assistant Professor Morten Ambye-Jensen from the Department of Biological and Chemical Engineering at Aarhus University.

Source: Aarhus University

Tags: food retailing industry, materials, packaging, recycling, street food, sustainability
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