WWTP Ottestad, Hias IKS
Vacuum degassing of digested sludge with ELOVAC®-P
Goal
- Avoiding greenhouse gas emissions
- Prevention of uncontrolled struvite deposits
Scope of delivery and services
- Supply of an ELOVAC®-P vacuum degassing system with option for integrated phosphate precipitation
- Support with mechanical, electrical and information technology integration into the existing system
- Commissioning support was provided remotely due to travel restrictions related to the Covid-19 pandemic
Technical Data
- Size of the Hias IKS wwtp in Ottestad: 125,000 PE
- Capacity of the ELOVAC®-P: 290 m³/d digested sludge
- The ELOVAC® is operated with or without integrated phosphate precipitation as required (ELOVAC®-P)
Special features
- The wastewater treatment plant is equipped with thermal disintegration (Cambi) - ELOVAC® thus treats disintegrated sludge
- The wastewater treatment plant is being converted to the "Hias process", a highly compact process for biological nutrient elimination. In this context, good control of internal phosphorus flows is essential.
Client
Hias IKS
Completion
December 2020
