The agency said Sappi implemented changes in the pulping process that reduced the amounts of several sulfide compounds being emitted. These reductions resulted in better odor control for the community, as well as improved treatment of methanol, a byproduct of the sulfur compounds. Sappi will save more than $225,000 per year.
The Cloquet mill has capacity for 360,000 tons/yr of coated freesheet on two machines. The mill dates to 1898 and currently employs 850.