Quality Anaerobic Digestion Process Equipment since 1979.
- Mounted on and supported by concrete, steel or stainless steel digester covers.
- Models available for fixed, floating or gasholder digester cover designs.
- Designs available to fit existing OTI draft tubes or mixer draft tubes not originally provided by OTI.
- Telescoping draft tube designs allow effective top-to-bottom or bottom-to-top mixing regardless of position of floating cover.
- Stationary lower draft tube extension is anchored to the tank floor.
- Upper draft tube and seal cylinder is supported by the cover and moves with floating covers
- Designs are available with heat exchanger sections on the draft tubes when required.