Stock Photo - Sludge Recirculation Clarifier Solid Contact Sedimentation Tank. Wastewater treatment plant. Wastewater treatment is a process used to convert dirty wastewater into an effluent that can be either returned to the water cycle with minimal environmental issues or reused.

Stock Photo: Sludge Recirculation Clarifier Solid Contact Sedimentation Tank. Wastewater treatment plant. Wastewater treatment is a process used to convert dirty wastewater.

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