Metsä Board Magazine – Spring 2023

17

Ari Kiviranta SVP Technology at Metsä Board

HUSUM Continued growth in the North American market

A new recovery boiler and turbine came online at the Husum pulp mill in Sweden at the end of last year, enabling the inte- grated mill’s electricity

smooth operation. The aim is to start up the renewed paperboard production line in the autumn of 2023 and reach full produc- tion capacity by the end of 2025. Follow- ing the renewals, the mill’s annual folding boxboard production capacity will increase from 400,000 to 600,000 tonnes. Growth is sought especially in the North American market. However, it is not always necessary to build something totally new to increase production capacity. “The possibility of expanding capacity was taken into account when the folding boxboard machine was constructed. This is a natural continuation that we prepared for a decade ago.”

Kemi

self-sufficiency to be increased. “For the time being, we are using gas in coating drying, but we already have a technical solution for making the dryers electric,” says Kiviranta. The goal is to expand the production capacity of the Husum folding boxboard machine and carry out infrastructure improvements important for the mill’s

Kaskinen

EUR 210 million investment for Husum FBB capacity expansion.

800,000 tonnes Kaskinen would increase folding boxboard production capacity.

87 % fossil-free

of the energy used at Metsä Board’s mills is now fossil-free.

KEMI Modernisation enables significant reductions in water and energy consumption

The Kemi mill is running a devel- opment programme to increase the annual production capacity of white kraftliner by approximately 40,000 tonnes while also improv- ing the mill’s water and energy efficiency. How is this possible?

“By modernising the mill’s water systems, we can reduce the use of fresh water by dozens of per cent. This is an important part of our journey towards our 2030 sustainability targets. We have also managed to recover waste heat more efficiently in the paperboard production line’s drying section, which enables us to reduce the use of primary energy.” Metsä Fibre’s bioproduct mill, which is expected to start up later this year, is also under construction in the mill area.

“We will acquire a modernised production line for unbleached pulp from Metsä Fibre. For example, we will address bottlenecks in post-processing to help us produce more paperboard than before,” says Kiviranta.

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