Bells Island Waste Water Treatment Plant

The Bells Island Wastewater treatment plant is designed to treat a complex mixture of industrial and municipal wastewater
Description of facility: 

Occupying 53ha of Bells Island on the Waimea Inlet, the Bells Island Sewage Treatment Plant includes a pre-treatment system consisting of a step screen and a grit chamber. A high rate activated sludge basin was installed in 2005 at the same time the existing clarifier underwent rehabilitation and improvements.

The treatment plant treats sewage equivalent to that generated by a domestic population of around 133,000.

• ADWF: 15,000m³/day
• Peak Flowrate: 50,000m³/day
• Design BOD load: 8,000kg/day
• BOD of treated effluent: <50kg/m³
•Design Suspended Solids load: 10,000kg/day

Extensive details are available here - http://www.nrsbu.govt.nz/bells-island-sewage-treatment-plant/

Facility type: 
Biogas
Application: 
Water Treatment
Technology type: 
Landfill Gas Collection
Fuel/Feedstock: 
Municipal Waste
Primary Output: 
Heat
Size: 
Large
Co-generation: 
Yes
Address: 
Bells Island, Nelson
Region: 
Upper South Island
Geo Location: 
Further information: 
Bells Island Sewage Treatment Plant: Nelson City Council Information