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April 26, 2021 05:40 AM

Bio-Gran purpose-designed for reprocessing biodegradable plastics

Karen Laird
Editor, Sustainable Plastics
Sustainable Plastics
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    Bio-Gran_1.jpg
    CMG

    Italy-based recycling equipment manufacturer CMG has developed technology that makes it possible even for biodegradable post-industrial rejects waste to be reprocessed.The physical properties of most biodegradable polymers tend to differ strongly from those of conventional materials, making it very difficult to process these on existing equipment. Highly susceptible to heat and mechanical stress, reprocessing these materials is especially challenging in order to achieve good size reduction and processing results without compromising the integrity of the polymers.

    CMG’s new Bio-Gran technology has been specifically designed to enable the post-industrial waste and rejects produced during the processing of these polymers to be reprocessed.

    The reject rate, predominantly occurring during the post-production finishing phases of the product, can vary from a few percent up to tens of percentage points. The Bio-Gran technology has been designed to handle from small to large quantities of biodegradable polymer effectively and dependably, preserving all physical and mechanical characteristics of the polymer itself.

    The first Bio-Gran units have been installed and are already operating at industrial sites producing biodegradable plastic products. A test unit is available at the CMG Tech Center in Bologna, Italy. The Bio-Gran line is available in capacities from 200 kg/h all the way to 2,000 kg/h.

    Bio-Gran is a new patent-pending technology and a 100% proprietary development of CMG Granulators. Like all CMG equipment, the new Bio-Gran systems are certified for Industry 4.0 compliance.

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