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Waste from Ulsan residents

Biogas made from food and sludge waste

Biogas production includes the management, pre-treatment, and digestion of large volumes of food waste from City of Ulsan residents, as well as primary sludge from the adjacent Yongyun wastewater treatment plant. Operations in Ulsan are run in collaboration with the major metropolis and are regulated by a concession agreement that runs to 2026.