Phos/Algae Removal

Project Review: Waihi WWTP Tertiary Treatment Plant
Phosphorus & Algae Removal

Plant Now Operational: A new tertiary treatment plant is removing phosphorus and algae from Waihi wastewater. The phosphorus and algae removal plant was designed and installed by ARMATEC Environmental Ltd. The plant was commissioned in August 2005.

Initial Results Excellent: The treated water now has a total phosphorus of less than 1 g/m3 and suspended solids of less than 15 g/m3. These are well below the resource consent limits of 1.4 g/m3 and 35 g/m3 for total phosphorus and suspended solids respectively. All tests done since plant start-up have met contract requirements.

Paper Published: A detailed paper has been published on the Waihi project. You can download a pdf of this ... it is paper P8 in our "Free Information" section of this website.

Site Visit: ARMATEC can arrange for you to visit the site in co-operation with the Hauraki District Council. Please contact ARMATEC if you wish to arrange this.

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