wastewater treatment plant facility cleans contaminated water removes chemicals and purifies.

wastewater treatment plant facility cleans contaminated water removes chemicals purifies sewage effluent filtration disinfection sludge process environmental protection public health quality pollution control industrial discharge biological clarification tanks aeration system activated sedimentation basin nutrient removal standards compliance recycled biosolids management odor monitoring equipment efficiency sustainable practices regulatory aigenerated concept purification contaminant chemical cleansing