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Home / Commercial Construction / Wisconsin refinery that was site of explosion plans $400M rebuild

Wisconsin refinery that was site of explosion plans $400M rebuild

Smoke rises from the Husky Energy oil refinery in Superior in April 2018 after an explosion and fire broke out there. A federal agency reports the explosion sent debris into an asphalt storage tank, leading to a massive fire that forced an evacuation last spring. (KSTP-TV via AP, File)

Smoke rises from the Husky Energy oil refinery in Superior in April 2018 after an explosion and fire broke out there. Husky has announced a $400 million plan to rebuild the refinery. (KSTP-TV via AP, File)

SUPERIOR, Wis. (AP) — Husky Energy says it’s been given approval to rebuild its oil refinery in Superior, Wisconsin, after an explosion and a series of fires last year injured 36 people and required much of the city to be evacuated.

Husky, which does business as Superior Refining Company in Wisconsin, said it will start the $400 million plan immediately and will try to have the plant resume partial operations in 2021.

Wisconsin Public Radio reports that residents and tribal leaders expressed frustration over Husky’s plans to continue using the highly toxic chemical hydrogen fluoride as part of its refining process. The evacuation of the city resulted largely from the presence of hydrogen fluoride, which can be hazardous to human health. The tank containing the chemical wasn’t damaged by the explosion, which was caused by a hole in a valve.

The mayors of Superior and adjacent Duluth, Minnesota, also called on Husky Energy to remove hydrogen fluoride from its operations.

The Wisconsin Department of Natural Resources approved the permit.

Earlier this year, Rob Symonds, CEO of Husky, told Wisconsin Public Radio that company officials had explored using alternatives to hydrogen fluoride and found no better option.

“The hydrogen fluoride alkylation unit, as it’s called, is fundamental to making gasoline,” Symonds said. “This is the gasoline that we all use in our cars today.”

The company has said it plans to make safety improvements to the existing alkylation unit, adding a rapid acid-transfer system to capture any hydrofluoric acid in case of a release.

Businesses and labor groups spoke in support of a rebuild permit at a hearing in August, arguing the refinery has economic benefits. Husky has about 200 permanent jobs and a $27 million payroll.

Another 350 jobs are expected to be created during the rebuild.

When it resumes operations, the plant will be able to refine an average of 45,000 barrels of oil a day.

Copyright 2020 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

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