Sonoco upgrades wastewater treatment at Milwaukee metal packaging plant

Sonoco is upgrading the wastewater treatment system at its large metal packaging plant in Milwaukee, adding biogas capture and combustion, with operation expected at the end of Q3; no amount was disclosed.

“Sonoco is also upgrading its wastewater treatment system at a large metal packaging plant in Milwaukee, which will include biogas capture and combustion.”packagingdive.com

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• packagingdive.comSonoco invests in fiber, water upgrades at 2 Midwest cans plants | Packaging DiveJun 23, 2026

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