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Product: Wet scrubber Branche: Biogas
drying of digestate
Client request
At a biogas plant in the east of Germany digestate is dried with residual heat at high temperatures (>120ºC). During this process ammonia and odor are released in the air. Both substances must be reduced before they can be released into the air.
Ammonia < 30mg/m3 Geur < 500 OUE/m3
SOLUTION AEC SYSTEMS
For the above client request we developed a multi stage gas scrubber. The installation contains:
- a tank farm for chemicals
- a cooling tower with heat exchanger to cool down the process air
- a multi stage gas scrubber
- a fan
- a chimney
- complete automation (Siemens) of all components
ADVANTAGES OF THE AEC MULTI STAGE GAS SCRUBBER
The water packages of the multistage gas scrubber have a large surface area and offer a low air resistance at the filter, which decreases the power consumption of the fans.
A unique pump technology enables a continuous irrigation of the unit so that it keeps the complete system clean. The pump unit also lowers energy costs. The system, like all products of AEC Systems, is easily accessible and therefore maintenance friendly. These are all advantages why the client chose AEC Systems.
Additional asset is that the client can use the ammonia which is converted into fertilizer on his own property.
Air flow: 50.000 m3/h
Temperature before cooling: 100˚C
Temperature after cooling: 55˚C
