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Iggesund paperboard's Invercote mill in Sweden achieves recod low emissions level in 2012

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Iggesund paperboard's Invercote mill in Sweden achieves recod low emissions level in 2012

February 14, 2013 - 18:39
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STOCKHOLM, Feb. 14, 2013 (Press Release) -Iggesund Paperboard's production of Invercote in Iggesund, Sweden in 2012 surpassed all previous environmental achievements at the mill. Despite record-high manufacturing levels, emissions of environmentally harmful substances were lower than ever before.

"In a paper industry, the environmentally harmful emissions, above all to water, are usually proportional to production, that is, the more you make, the more you emit," explains Anna Mårtensson, environmental manager at Iggesund Mill.

"But 2012 was a very positive exception for us. Even though our production was the most it's ever been, our emissions were the lowest ever - or at least, as far back as we have reliable measurement data."

Over the years Iggesund has taken a variety of steps to reduce its emissions. Fairly early on, the mill began separating out the leftover fibres that had passed through the pulping process with the aid of mechanical purification in sedimentation basins. In the 1970s another step was taken with the construction of an aerated lagoon, where microorganisms clean the wastewater to a higher standard. In 2009 the mill added a third stage, chemical purification, in which the wastewater is treated in the same way that drinking water is treated.

"Now we can clearly see the effects of the third stage," Mårtensson says. "The oxygen-consuming substances have been greatly reduced and nutrients like phosphorus and nitrogen, which are so harmful to the marine ecosystem in the Baltic Sea, have been almost halved."