Energy-Efficient Waste Handling Contributes to Halved Electricity Bills

22 Jan 2025  |
Floor-embedded conveyors combined with a modern air extraction system and an energy-efficient baler – this was the successful solution delivered by Presona when DS Smith sought to reduce energy costs and dust.

When packaging giant DS Smith decided to build a new factory in Värnamo (Sweden), to replace two old ones, their priorities were clear: Reduce energy costs, which mainly resulted from fans used for waste extraction, and improve the working environment. The task was given to Swedish company Presona, which has extensive experience and expertise in this field.

Old solution: costly and dusty

The factory produces corrugated cardboard packaging, and when the die-cutting machines cut the cardboard to create boxes and other types of packaging, excess cardboard, known as trim, is generated and must be handled.

“In the old factory in Värnamo, we had an air extraction system with many energy-demanding fans and shredders to remove the trim. It was also constructed in a way that created a lot of dust,” says site manager Zelko Balinovic.

Presona delivered the absolute best solution for our specific needs,” adds Zelko Balinovic.

Furthermore, multiple shredders were needed to break down large discarded sheets of cardboard before they could even be fed into the air extraction system. The shredders were noisy and dusty.

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Presona AB is one of the world’s leading manufacturers of balers, renowned for our expertise in pre-press technology. Our balers enable efficient baling of a wide variety of materials – from paper and plastic to...

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