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Norske Skog awarded Enova funding for energy efficiency project

In Norway, Norske Skog ASA has been awarded NOK 37.2 million (≈ EUR 3.36 million) in funding by the state funding agency Enova SF for an energy efficiency project at its Saugbrugs pulp and paper mill in Halden.
"We want to create a groundbreaking low energy consumption in our fiber production. Saugbrugs will be the benchmark for the industry, and with these energy measures we also want to create good overall profitability at the factory," said Kjell-Arve Kure, CEO of Norske Skog Saugbruks.

Enova SF has awarded Norske Skog Saugbrugs NOK 37.2 million (≈ EUR 3.36 million) in funding for an energy efficiency project at the pulp and paper mill in Halden, Norway (photo courtesy Norske Skog).

For several years, Norske Skogs Saugbrugs has worked on streamlining the energy-intensive thermomechanical pulping (TMP) stage, which is an important part of all mechanical pulp production. In the TMP process, the pulpwood log is milled in several stages to a thermo-mechanical pulp.

In Halden, Norske Skog Saugbrugs uses the pulp to produce around 485 000 tonnes of super calandered (SC) paper (used for magazines) per annum but the same pulp technology can also be used to produce cardboard and hygiene paper.

Reduce energy consumption

A challenge with today’s TMP production process is that large quantities of finished pulp end up in the return for reprocessing along with the unfinished pulp. The project at Norske Skog Saugsbrug aims to reduce this waste by as much as 50 percent.

As pulp production is very energy-intensive, this can help to reduce energy consumption in this core process by up 14 percent.

Utilizing energy and resources more efficiently is central to the transition of Norway to a low-emission society. Norske Skog Saugbrugs is an example of one of several Norwegian industrial companies that have world-class energy efficiency efforts. Now they are taking another step, said Tonje Foss, Strategy Director at Enova.

While 14 percent may not seem much, Norske Skog Saugbrugs alone accounts for almost one percent of Norway’s baseload power consumption – and a 14 percent reduction represents a full 92 GWh or the annual electricity consumption of 5 750 Norwegian homes.

In this calculation, reduced power demand will lead to a reduction of surplus heat that is currently used in the production process. In order to compensate for the loss of this heating resource, Norske Skog Saugbrugs will in parallel, carry out another energy efficiency project that provides better utilization of other waste heat.

The waste heat project has received funding of NOK 25.9 million (≈ EUR 2.34 million) from the NOx Fund.

In Halden, this project primarily contributes to significant cuts in electricity consumption, but if the project succeeds and the technology applied abroad, it can also contribute to emissions reduction for pulp producers that do not have the same access to renewable electricity, ended Tonje Foss.

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